Guaciara Macedo dos Santos

Possui graduação em Física Bacharelado pela Universidade Federal Fluminense (1992), graduação em Física Licenciatura pela Universidade Federal Fluminense (1995), mestrado em Física pela Universidade Federal Fluminense (1995) e doutorado em Física pela Universidade Federal Fluminense (1999). Atualmente é pesquisador V - University of California Irvine e coordenadora do laboratório KCCAMS/UCI - University of Califórnia Irvine. Tem experiência na área de Física, com ênfase em Física Nuclear Aplicada, atuando principalmente nos seguintes temas: ams, accelerator mass spectrometry, amazon rain forest, radiocarbon e bragg detector.

Informações coletadas do Lattes em 05/02/2020

Acadêmico

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Formação acadêmica

Doutorado em Física

1995 - 1999

Universidade Federal Fluminense
Título: Implementacao e Aplicacao da Tecnica de AMS (Espectrometria de Massa com uso de Aceleradores)
Orientador: Paulo Roberto Silveira Gomes
Bolsista do(a): Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, Brasil. Palavras-chave: Espectrometria de massa com aceleradores - AMS; Acelerador de particulas; Datacao por Carbono 14; Detetor de Bragg.Grande área: Ciências Exatas e da Terra

Mestrado em Física

1992 - 1995

Universidade Federal Fluminense
Título: O Estudo do Estado Eletronico Fundamental X1 Sigma+g da Molecula de Na2,Ano de Obtenção: 1995
Carlos Eduardo Fellows.Bolsista do(a): Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, Brasil. Palavras-chave: molecula de Na2; Estado Fundamental; Transformada de Fourier.Grande área: Ciências Exatas e da Terra

Graduação em Fisica Licenciatura

1992 - 1995

Universidade Federal Fluminense

Graduação em Fisica Bacharelado

1986 - 1992

Universidade Federal Fluminense

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Pós-doutorado

1999

Pós-Doutorado. , Australian National University, ANU, Austrália. , Bolsista do(a): Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, Brasil. , Grande área: Ciências Exatas e da Terra

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Idiomas

Inglês

Compreende Bem, Fala Bem, Lê Bem, Escreve Bem.

Espanhol

Compreende Bem, Fala Pouco, Lê Bem, Escreve Pouco.

Francês

Compreende Razoavelmente, Fala Pouco, Lê Razoavelmente, Escreve Pouco.

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Áreas de atuação

    Grande área: Ciências Exatas e da Terra / Área: Física / Subárea: Física Nuclear/Especialidade: Fisica Nuclear Aplicada.

    Grande área: Ciências Exatas e da Terra / Área: Física / Subárea: Física Atômica e Molecular/Especialidade: Estudos de Átomos e Moléculas Especiais.

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Participação em eventos

6th International Symposium "Radiocarbon and Archaeology". session 8. 2016. (Congresso).

8th International Symposium ? 14C & archaeology.The local marine reservoir effect at Kalba between neolithic and iron age. 2016. (Simpósio).

Accelerator-Based Analysis sections (Developments and Applications of AMS I and II) at the CAARI 2016. Developments and Applications of AMS I and II. 2016. (Congresso).

CBO 2016 - ?Oceanografia e Mudanças Climáticas: desafios profissionais?. A revisited discussion of AIW ages derived from cold water corals off Brazil. 2016. (Congresso).

The 10th International Meeting on Phytolith Research, CEREGE.Modern phytolith assemblages from vereda wetlands in Minas Gerais cerrado, Brazil. 2016. (Encontro).

The 10th International Meeting on Phytolith Research, CEREGE.Recent advances in phytolith carbon research. 2016. (Encontro).

The 10th International Meeting on Phytolith Research, CEREGE.Origin, location and molecular characterization of phytolith carbon: insights for the phytolith carbon cycle. 2016. (Encontro).

The 10th International Meeting on Phytolith Research, CEREGE.New estimates of global phytolith and phytolith-occluded carbon pools and fluxes. 2016. (Encontro).

The Third American Dendrochronology Conference. Dating tree rings from tropical tree species by combining radiocarbon measurements and dendrochronological techniques. 2016. (Congresso).

The Third American Dendrochronology Conference. Southern Hemisphere atmospheric radiocarbon during the past 60 years: filling up existing gaps and validating long-lasting tree species for further analysis. 2016. (Congresso).

22nd International Radiocarbon Conference. Session 01 CHEM. 2015. (Congresso).

The 22nd Radiocarbon Conference. Reconstructing the history of Indian Black Earth at an archaeological site of Santarém, Brazil by isotopic and anthracological analysis. 2015. (Congresso).

The 22nd Radiocarbon Conference. Distribution maps of Δ14C from across Rio de Janeiro state and city during 2014 and 2015. 2015. (Congresso).

The 22nd Radiocarbon Conference. Bag of tricks: a set of techniques, and other resources to help on 14C lab setup, sample processing and beyond. 2015. (Congresso).

13th International Conference on Accelerator Mass Spectrometry. Annual growth rings in a sample of Paraná pine (Araucaria Angustifolia): towards improving the 14C calibration curve for the Southern Hemisphere. 2014. (Congresso).

13th International Conference on Accelerator Mass Spectrometry. Dating tree rings from tropical tree species by combining radiocarbon measurements and dendrochronological techniques. 2014. (Congresso).

13th International Conference on Accelerator Mass Spectrometry. The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivity. 2014. (Congresso).

13th International Conference on Accelerator Mass Spectrometry. Testing the removal of exogenous bounded carbon from modern human hair by cross-flow nanofiltrated amino acids procedure. 2014. (Congresso).

AGU Fall Meeting 2014. The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivity. 2014. (Congresso).

AmeriDendro 2013. Assessing the potential of Paraná pine (Araucaria angustifolia) for high precision Southern Hemisphere 14C calibration. 2013. (Congresso).

21th International Radiocarbon Conference, the UNESCO headquarters. Behavioral variability in the ABA chemical pretreatment close to the 14C age limit. 2012. (Congresso).

21th International Radiocarbon Conference, the UNESCO headquarters. Biosilica of higher Plants: Exclusive photosynthetic origin of phytC debunked by 14C & 13C measurements of extracted phytoliths from contemporary living grasses. 2012. (Congresso).

AGU Fall Meeting 2012. U-He zircon dating of the Rotoiti eruption, New Zealand: a new approach to a classic tephrochronology problem AU. 2012. (Congresso).

AGU Fall Meeting 2012. Re-investigating the isotopic fractionation corrections in radiocarbon measurements. 2012. (Congresso).

CEREGE. Direct 14C-AMS dating of biosilica of higher plants: tracking the origin of phytolith C of extracted phytoliths from comtemporary living grasses. 2012. (Congresso).

Department lecture series at the CEREGE.Direct 14C-AMS dating of biosilica of higher plants: tracking the origin of phytolith C of extracted phytoliths from comtemporary living grasses. 2012. (Outra).

12th Accelerator Mass Spectrometry Conference. Sessão 1. 2011. (Congresso).

12th International Conference on Accelerator Mass Spectrometry. Can we blame discrepancies of year-of-birth 14C determination on Mom? Preliminary isotope results of fingernails of breastfed mother-infant pairs. 2011. (Congresso).

6th International Symposium "Radiocarbon and Archaeology".Solving the 14C Phytolith Puzzle: Can carbon in phytoliths from living grasses be thousands of years old?. 2011. (Simpósio).

6th International Symposium of Radiocarbon and Archaeology. Solving the 14C phytolith puzzle: Can carbon in phytoliths from living grasses be thousands of years old?. 2011. (Congresso).

AAFS2011 - 63rd Annual Scientific Meeting - American Academy of Forensic Sciences. Radiocarbon and Stable Isotope Results of Fingernails of Breastfed Mother-Infant Pairs to Investigate Deviation of Year-of-Birth Determinations Due to Diet. 2011. (Congresso).

International Symposium "Radiocarbon and Archaeology. Paphos, Cyprus, April 10-15, 2011. Solving the 14C Phytolith Puzzle: Can carbon in phytoliths from living grasses be thousands of years old?. 2011. (Congresso).

International Workshop on Small Scale Radiocarbon Analysis. The good and the bad of small-scale 14C-AMS sample preparation and analysis. 2011. (Exposição).

International Workshop on Small Scale Radiocarbon Analysis.The good and the bad of small-scale 14C-AMS sample preparation and analysis. 2011. (Outra).

IX Latin American Symposium on Nuclear Physics and Applications. Beyond archaeology: 14C-AMS and the global carbon cycle. 2011. (Congresso).

IX Latin American Symposium on Nuclear Physics and Applications.Beyond archaeology: 14C-AMS and the global carbon cycle?. 2011. (Simpósio).

AGU 2010 Meeting of the Americas. Is DIC Δ14C Still a Useful Tracer for Observing Changes in Upwelling? Time-series of Carbon Isotopes in Surface Seawater from a Southern California Coastal Site. 2010. (Congresso).

Member of the discussion panel of the NOSAMS Compound Specific Radiocarbon Analyses (CSRA) Workshop. Woods Hole Oceanographic Institution, Sample Preparation, Ion Sources, Modern Accelerators - The Current State of the Art. 2010. (Congresso).

20th International Radiocarbon Conference. Blank assessment for ultra-small samples: chemical extraction and separation vs. AMS. 2009. (Congresso).

11th International Conference on Accelerator Mass Spectrometry. The Phytolith C puzzle: a tale of background determinations and accuracy tests. 2008. (Congresso).

11th International Conference on Accelerator Mass Spectrometry. 14C based source apportionment of small (<100micro-gC) samples of total organic carbon (TOC) and black carbon (BC) in ice from Naimona'nyi, Tibet. 2008. (Congresso).

AGU Fall Meeting Abstracts. Concentration and 14C Content of Total Organic Carbon and Black Carbon in Small (< 100 ug C) Samples from Low-Latitude Alpine Ice Cores. 2008. (Congresso).

19th International Radiocarbon Conference. Delta14C of Dissolved Inorganic Carbon in surface seawater from a time-series site of Southern California. 2006. (Congresso).

19th International Radiocarbon Conference. Technical progress in AMS 14C-AMS sample preparation at the KCCAMS Faclitity: Status report and performance of small samples. 2006. (Congresso).

International Symposium of the Peopling of the Americas.14C-AMS as a tool for archaeological investigation: Implications for Human Settlement in South America. 2006. (Simpósio).

International Symposium of the Peopling of the Americas.14C-AMS as a tool for archaeological investigation: Implications for Human Settlement in South America. 2006. (Outra).

10th International Conference on Accelerator Mass Spectrometry. Ultra small-mass 14C-AMS sample preparation and analysis at the KCCAMS Faclitity. 2005. (Congresso).

10th International Conference on Accelerator Mass Spectrometry. Evaluation of iron and cobalt powder brands as suitable catalysts for 14C-AMS target preparation. 2005. (Congresso).

38th Annual Meeting of SNEAP. Laboratory Report: KCCAMS Facility, UC Irvine. 2004. (Congresso).

18th International Radiocarbon Conference. Magnesium perchlorate as an alternative water trap in AMS graphite sample preparation: a report on sample preparation at the KCCAMS Facility at the University of California, Irvine. 2003. (Congresso).

Seventh Australasian Conference on Isotopes in the Environment. Radiocarbon Dating Using an ABOX-SC (acid-base-wet oxidation pretreatment with stepped combustion) Procedure, as an Alternative Chemical Pre-treatment and Some Applications. 2001. (Congresso).

17th International Radiocarbon Conference. Radiocarbon Dating of Rotoehu Tephra, New Zealand. 2000. (Congresso).

17th International Radiocarbon Conference. Cronology of Atmospheric Mercury Deposition in the Amazon Region Brazil. 2000. (Congresso).

XX Reunião de Trabalho em Física Nuclear no Brasil. Results of a Bragg Detector Built for the AMS Program. 1997. (Congresso).

International Conference on NUCLEAR DYNAMICS AT LONG AND SHORT DISTANCESE. Brazilian Accelerator Mass Spectrometry Program. 1996. (Congresso).

XVIII Encontro Nacional de Física da Matéria Condensada. O Estudo do Estado Eletrônico Fundamental X1Σg+ and (1)1Πg da Molécula de Na2, pela Técnica de Espectroscopia Transformada de Fourier Associada a Fluorescência Induzida. 1995. (Congresso).

XVIII Encontro Nacional de Física da Matéria Condensada. Análise dos Estados Eletrônicos X1Σg+ and (1)1Πg da Molécula de Na2 na Região de Longo Alcance. 1995. (Congresso).

XVIII Reunião de Trabalho em Física Nuclear no Brasil. Fusão e Evaporação de 9Be + 64Zn. 1995. (Congresso).

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Foi orientado por

Paulo Roberto Silveira Gomes

Implementação e Aplicação da Técnica de Espectrometria de Massa com Aceleradores (AMS); 1999; 0 f; Tese (Doutorado em Física) - Universidade Federal Fluminense, Conselho Nacional de Desenvolvimento Científico e Tecnológico; Orientador: Paulo Roberto Silveira Gomes;

Renato Bastos Guimarães

Propriedades eletricas de polimeros; 1994; Iniciação Científica; (Graduando em Fisica) - Instituto de Fisica - UFF, Conselho Nacional de Desenvolvimento Científico e Tecnológico; Orientador: Renato Bastos Guimarães;

CARLOS EDUARDO FELLOWS

O Estudo do Estado Eletronico Fundamental X1sig+G da Molecula de Na2; ; 1995; Dissertação (Mestrado em Física) - Universidade Federal Fluminense, Conselho Nacional de Desenvolvimento Científico e Tecnológico; Orientador: Carlos Eduardo Fellows;

Seção coletada automaticamente pelo Escavador

Produções bibliográficas

  • REYERSON, PAUL E. ; ALEXANDRE, ANNE ; HARUTYUNYAN, ARAKS ; CORBINEAU, REMI ; MARTINEZ DE LA TORRE, HECTOR A. ; BADECK, FRANZ ; CATTIVELLI, LUIGI ; SANTOS, GUACIARA M. . Unambiguous evidence of old soil carbon in grass biosilica particles. Biogeosciences , v. 13, p. 1269-1286, 2016.

  • ALEXANDRE, ANNE ; BALESDENT, JÉRÔME ; CAZEVIEILLE, PATRICK ; CHEVASSUS-ROSSET, CLAIRE ; SIGNORET, PATRICK ; MAZUR, JEAN-CHARLES ; HARUTYUNYAN, ARAKS ; DOELSCH, EMMANUEL ; BASILE-DOELSCH, ISABELLE ; MICHE, HÉLÈNE ; SANTOS, GUACIARA M. . Direct uptake of organically derived carbon by grass roots and allocation in leaves and phytoliths: 13 C labeling evidence. Biogeosciences , v. 13, p. 1693-1703, 2016.

  • SANTOS, GUACIARA M ; XU, XIAOMEI . Bag of Tricks: A Set of Techniques and other Resources to Help 14C Laboratory Setup, Sample Processing, and Beyond. Radiocarbon , v. FirstV, p. 1-17, 2016.

  • GROTHE, PAMELA R. ; COBB, KIM M. ; BUSH, SHARI L. ; CHENG, HAI ; SANTOS, GUACIARA M. ; SOUTHON, JOHN R. ; LAWRENCE EDWARDS, R. ; DEOCAMPO, DANIEL M. ; SAYANI, HUSSEIN R. . A comparison of U/Th and rapid-screen C dates from Line Island fossil corals. Geochemistry, Geophysics, Geosystems , v. 17, p. 833-845, 2016.

  • SANTOS, GUACIARA M. ; ALEXANDRE, ANNE ; PRIOR, CHRISTINE A. . From radiocarbon analysis to interpretation: A comment on -Phytolith Radiocarbon Dating in Archaeological and Paleoecological Research: A Case Study of Phytoliths from Modern Neotropical Plants and a Review of the Previous Dating Evidence-, Journal of Archaeological Science (2015), doi: 10.1016/j.jas.2015.06.002.- by Dolores R. Piperno. Journal of Archaeological Science , v. 71, p. 51-58, 2016.

  • ALVIM, DÉBORA SOUZA ; GATTI, LUCIANA VANNI ; CORRÊA, SERGIO MACHADO ; CHIQUETTO, JÚLIO BARBOZA ; DE SOUZA ROSSATTI, CARLOS ; PRETTO, ANGÉLICA ; SANTOS, MARIA HELENA DOS ; YAMAZAKI, AMÉLIA ; ORLANDO, JOÃO PAULO ; SANTOS, GUACIARA MACEDO . Main ozone-forming VOCs in the city of Sao Paulo: observations, modelling and impacts. Air Quality Atmosphere and Health , v. 1, p. 1, 2016.

  • MOUTEVA, G. O. ; CZIMCZIK, C. I. ; FAHRNI, S. M. ; WIGGINS, E. B. ; ROGERS, B. M. ; VERAVERBEKE, S. ; XU, X. ; SANTOS, G. M. ; HENDERSON, J. ; MILLER, C. E. ; RANDERSON, J. T. . Black carbon aerosol dynamics and isotopic composition in Alaska linked with boreal fire emissions and depth of burn in organic soils. Global Biogeochemical Cycles , v. 29, p. 1977-2000, 2015.

  • MOUTEVA, G. O. ; FAHRNI, S. M. ; SANTOS, G. M. ; RANDERSON, J. T. ; ZHANG, Y.-L. ; SZIDAT, S. ; CZIMCZIK, C. I. . Accuracy and precision of 14 C-based source apportionment of organic and elemental carbon in aerosols using the Swiss_4S protocol. Atmospheric Measurement Techniques , v. 8, p. 3729-3743, 2015.

  • GALLAGHER, KIMBERLEY L. ; ALFONSO-GARCIA, ALBA ; SANCHEZ, JESSICA ; POTMA, ERIC O. ; SANTOS, GUACIARA M. . Plant growth conditions alter phytolith carbon. Frontiers in Plant Science , v. 6, p. 753, 2015.

  • SANTOS, GUACIARA M. ; DE LA TORRE, HECTOR A. MARTINEZ ; BOUDIN, MATHIEU ; BONAFINI, MARCO ; SAVERWYNS, STEVEN . Improved radiocarbon analyses of modern human hair to determine the year-of-death by cross-flow nanofiltered amino acids: common contaminants, implications for isotopic analysis, and recommendations. RCM. Rapid Communications in Mass Spectrometry , v. 29, p. 1765-1773, 2015.

  • HADAD, MARTÍN A. ; SANTOS, GUACIARA M. ; ROIG JUÑENT, FIDEL A. ; GRAINGER, CASSANDRA S.G. . Annual nature of the growth rings of Araucaria araucana confirmed by radiocarbon analysis. Quaternary Geochronology (Print) , v. 30, p. 42-47, 2015.

  • MOUTEVA, G. O. ; FAHRNI, S. M. ; SANTOS, G. M. ; RANDERSON, J. T. ; ZHANG, Y. L. ; SZIDAT, S. ; CZIMCZIK, C. I. . Accuracy and precision of 14 C-based source apportionment of organic and elemental carbon in aerosols using the Swiss_4S protocol. Atmospheric Measurement Techniques Discussions , v. 8, p. 3933-3965, 2015.

  • LINARES, ROBERTO ; MACARIO, KITA D. ; SANTOS, GUACIARA M. ; CARVALHO, CARLA ; DOS SANTOS, HELLEN C. ; GOMES, PAULO R.S. ; CASTRO, MAIKEL D. ; OLIVEIRA, FABIANA M. ; ALVES, EDUARDO Q. . Radiocarbon measurements at LAC-UFF: Recent performance. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 361, p. 341-345, 2015.

  • MACARIO, KITA D. ; OLIVEIRA, FABIANA M. ; CARVALHO, CARLA ; SANTOS, GUACIARA M. ; XU, XIAOMEI ; CHANCA, INGRID S. ; ALVES, EDUARDO Q. ; JOU, RENATA M. ; OLIVEIRA, MARIA ISABELA ; PEREIRA, BRUNA B. ; MOREIRA, VINICIUS ; MUNIZ, MARCELO C. ; LINARES, ROBERTO ; GOMES, PAULO ROBERTO SILVEIRA ; DOS ANJOS, ROBERTO MEIGIKOS ; CASTRO, MAIKEL D. ; DOS ANJOS, LEANDRO ; MARQUES, AGUINALDO N. ; RODRIGUES, LUIZ FREDERICO . Advances in the graphitization protocol at the Radiocarbon Laboratory of the Universidade Federal Fluminense (LAC-UFF) in Brazil. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 361, p. 402-405, 2015.

  • ALEXANDRE, A. ; BASILE-DOELSCH, I. ; DELHAYE, T. ; BORSHNECK, D. ; MAZUR, J. C. ; REYERSON, P. ; SANTOS, G. M. . New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results. Biogeosciences , v. 12, p. 863-873, 2015.

  • ANDREU-HAYLES, LAIA ; SANTOS, GUACIARA ; HERRERA-RAMÍREZ, DAVID ; MARTIN-FERNÁNDEZ, JAVIER ; RUIZ-CARRASCAL, DANIEL ; BOZA-ESPINOZA, TATIANA ; FUENTES, ALFREDO ; JØRGENSEN, PETER . Matching Dendrochronological Dates with the Southern Hemisphere 14C Bomb Curve to Confirm Annual Tree Rings in Pseudolmedia rigida from Bolivia. Radiocarbon , v. 57, p. 1-13, 2015.

  • SANTOS, GUACIARA M. ; LINARES, ROBERTO ; LISI, CLAUDIO S. ; TOMAZELLO FILHO, MARIO . Annual growth rings in a sample of Paraná pine (Araucaria angustifolia): Toward improving the 14C calibration curve for the Southern Hemisphere. Quaternary Geochronology (Print) , v. 25, p. 96-103, 2015.

  • FERNANDEZ, ALVARO ; SANTOS, GUACIARA M. ; WILLIAMS, ELIZABETH K. ; PENDERGRAFT, MATTHEW A. ; VETTER, LAEL ; ROSENHEIM, BRAD E. . Blank Corrections for Ramped Pyrolysis Radiocarbon Dating of Sedimentary and Soil Organic Carbon. Analytical Chemistry (Washington) , v. 86, p. 12085-12092, 2014.

  • ALEXANDRE, A. ; BASILE-DOELSCH, I. ; DELHAYE, T. ; BORSHNECK, D. ; MAZUR, J. C. ; REYERSON, P. ; SANTOS, G. M. . New highlights on phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results. Biogeosciences Discussion (Online) , v. 11, p. 14699-14727, 2014.

  • COE, HELOISA H.G. ; MACARIO, KITA ; GOMES, JENIFER G. ; CHUENG, KARINA F. ; OLIVEIRA, FABIANA ; GOMES, PAULO R.S. ; CARVALHO, CARLA ; LINARES, ROBERTO ; ALVES, EDUARDO ; SANTOS, GUACIARA M. . Understanding Holocene variations in the vegetation of Sao Joao River basin, southeastern coast of Brazil, using phytolith and carbon isotopic analyses. Palaeogeography, Palaeoclimatology, Palaeoecology , v. 415, p. 59-68, 2014.

  • GAO, PAN ; XU, XIAOMEI ; ZHOU, LIPING ; PACK, MARY A. ; GRIFFIN, SHEILA ; SANTOS, GUACIARA M. ; SOUTHON, JOHN R. ; LIU, KEXIN . Rapid sample preparation of dissolved inorganic carbon in natural waters using a headspace-extraction approach for radiocarbon analysis by accelerator mass spectrometry. Limnology and Oceanography, Methods , v. 12, p. 174-190, 2014.

  • CORBINEAU, RÉMI ; REYERSON, PAUL E. ; ALEXANDRE, ANNE ; SANTOS, GUACIARA M. . Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysis. Review of Palaeobotany and Palynology , v. 197, p. 179-185, 2013.

  • FERGUSON, J. E. ; JOHNSON, K. R. ; SANTOS, G. ; MEYER, L. ; TRIPATI, A. . Investigating δ C and - C within shells as proxies of upwelling intensity. Geochemistry, Geophysics, Geosystems , v. 14, p. 1856-1865, 2013.

  • MARTIN, ERIN E. ; INGALLS, ANITRA E. ; RICHEY, JEFFREY E. ; KEIL, RICHARD G. ; SANTOS, GUACIARA M. ; TRUXAL, LAURA T. ; ALIN, SIMONE R. ; DRUFFEL, ELLEN R. M. . Age of riverine carbon suggests rapid export of terrestrial primary production in tropics. Geophysical Research Letters , v. 40, p. 5687-5691, 2013.

  • G. Santos ; ORMSBY, K. M. . Behavioral variability in ABA chemical pretreatment close to the 14C age limit. Radiocarbon , v. 55, p. 534, 2013.

  • SANTOS, GUACIARA . Behavioral Variability in ABA Chemical Pretreatment Close to the 14C Age Limit. Radiocarbon , v. 55, p. 534, 2013.

  • BUSH, S. ; SANTOS, G.M ; XU, X. ; SOUTHON, JOHN ; THIAGARAJAN, N. ; HINES, S. ; ADKINS, J. A. . A screening method for 14C analysis of small carbonate samples. Radiocarbon , v. 55, p. 631, 2013.

  • SZIDAT, S. ; BENCH, G. ; BERNARDONI, V. ; CALZOLAI, G. ; CZIMCZIK, C. I. ; DERENDORP, L. ; DUSEK, U. ; ELDER, K. ; FEDI, M. E. ; GENBERG, J. ; GUSTAFSSON, O. ; KIRILLOVA, E. ; KONDO, M. ; MCNICHOL, A. P. ; PERRON, N. ; G. Santos ; STENSTROM, K. ; SWIETLICKI, E. ; UCHIDA, M. ; VECCHI, R. ; WACKER, L. ; ZHANG, Y. L. ; PREVOT, A. S. H. . Intercomparison of 14C analysis of carbonaceous aerosols. Radiocarbon , v. 55, p. 1496, 2013.

  • SANTOS, G. M. ; ALEXANDRE, A. ; SOUTHON, J. R. ; TRESEDER, K. K. ; CORBINEAU, R. ; REYERSON, P. E. . Possible source of ancient carbon in phytolith concentrates from harvested grasses. Biogeosciences , v. 9, p. 1873-1884, 2012.

  • COE, HELOISA H.G. ; ALEXANDRE, ANNE ; CARVALHO, CACILDA N. ; SANTOS, GUACIARA M. ; DA SILVA, ANTONIO S. ; SOUSA, LEANDRO O.F. ; LEPSCH, IGO F. . Changes in Holocene tree cover density in Cabo Frio (Rio de Janeiro, Brazil): Evidence from soil phytolith assemblages. Quaternary International , v. 2, p. 1-10, 2012.

  • VIVONE, RONALDO J. ; GODOY, MARIA LUIZA D. P. ; GODOY, JOSÉ MARCUS ; SANTOS, GUACIARA M. . Method development for 234U and 230Th determination and application to fossil deep-water coral and authigenic carbonate dating from the Campos Basin - Brazil. Journal of the Brazilian Chemical Society (Impresso) , v. 23, p. 538-545, 2012.

  • DANI?ÍK, MARTIN ; SHANE, PHIL ; SCHMITT, AXEL K. ; HOGG, ALAN ; SANTOS, GUACIARA M. ; STORM, SONJA ; EVANS, NOREEN J. ; KEITH FIFIELD, L. ; LINDSAY, JAN M. . Re-anchoring the late Pleistocene tephrochronology of New Zealand based on concordant radiocarbon ages and combined 238U/230Th disequilibrium and (U-Th)/He zircon ages. Earth and Planetary Science Letters , v. 349-350, p. 240-250, 2012.

  • Guaciara M. dos Santos ; Ferguson, J ; Acaylar, K ; JOHNSON, K. R. ; Griffin, S ; Druffel, E . Δ14C and δ13C of seawater DIC as tracers of coastal upwelling: A 5-year time-series from Southern California. Radiocarbon , v. 53, p. 669, 2011.

  • R, S. ; SANTOS, G. M. . Durante El Holoceno Temprano En La Frontera Uruguay-Brasil. Revista de Arqueologia (Sociedade de Arqueologia Brasileira. Impresso) , v. 23, p. 22, 2011.

  • R, S. ; G. Santos . Cazadores-Recolectores Tempranos Y Supervivencia De Fauna Del Pleistoceno (Equus Sp. Y Glyptodon Sp.) Durante El Holoceno Temprano En La Frontera Uruguay-Brasil. Cadernos do LEPARQ , v. 23, p. 22, 2011.

  • SANTOS, G. M. ; Alexandre, H.G ; COE, H. G. ; Reyerson, J.R ; John R Southon ; C.N. De Carvalho . The Phytolith C puzzle: a tale of background determinations and accuracy tests. Radiocarbon , v. 52, p. 113, 2010.

  • Guaciara M. dos Santos ; SOUTHON, J. R. ; DRENZEK, N. J. ; ZIOLKOWSKI, L. A. ; Druffel, E ; XU, X. ; ZHANG, D. ; TRUMBORE, S. ; EGLINTON, T. I. ; HUGHEN, K. A. . Blank assessment for ultra-small samples: chemical extraction and separation vs. AMS. Radiocarbon , v. 52, p. 1322, 2010.

  • INGALLS, ANITRA E. ; ELLIS, ERIN E. ; SANTOS, GUACIARA M. ; MCDUFFEE, KELSEY E. ; TRUXAL, LAURA ; KEIL, RICHARD G. ; DRUFFEL, ELLEN R. M. . HPLC Purification of Higher Plant-Dervied Lignin Phenols for Compound Specific Radiocarbon Analysis. Analytical Chemistry (Washington) , v. 82, p. 8931-8938, 2010.

  • BEVERLY, R. K. ; BEAUMONT, W. ; TAUZ, D. ; ORMSBY, K. M. ; VO, K. F. ; SANTOS, G. M. ; SOUTHON, J. R. . The Keck Carbon Cycle AMS Laboratory, University of California Irvine: Status report. Radiocarbon , v. 52, p. 301, 2010.

  • HINGER, E. N. ; Guaciara M. dos Santos ; DRUFFEL, E. M. ; Griffin, S . Carbon Isotope Measurements of Surface Seawater from a Time-Series Site off Southern California. Radiocarbon , v. 52, p. 69, 2010.

  • MANGINI, A. ; GODOY, J.M. ; GODOY, M.L. ; KOWSMANN, R. ; SANTOS, G.M. ; RUCKELSHAUSEN, M. ; SCHROEDER-RITZRAU, A. ; WACKER, L. . Deep sea corals off Brazil verify a poorly ventilated Southern Pacific Ocean during H2, H1 and the Younger Dryas. Earth and Planetary Science Letters , v. 293, p. 269-276, 2010.

  • KRAMER, CHRISTIANE ; TRUMBORE, SUSAN ; FRÖBERG, MATS ; CISNEROS DOZAL, LUZ MARIA ; ZHANG, DACHUN ; XU, XIAOMEI ; SANTOS, GUACIARA M. ; HANSON, PAUL J. . Recent (<4 year old) leaf litter is not a major source of microbial carbon in a temperate forest mineral soil. Soil Biology & Biochemistry , v. 42, p. 1028-1037, 2010.

  • DRENZEK, N. J. ; HUGHEN, K. A. ; MONTLUCON, D. B. ; SOUTHON, J. R. ; DOS SANTOS, G. M. ; DRUFFEL, E. R.M. ; GIOSAN, L. ; EGLINTON, T. I. . A new look at old carbon in active margin sediments. Geology (Boulder, Colo.) , v. 37, p. 239-242, 2009.

  • LAGUENS, A. G. ; FABRA, M. ; SANTOS, G. M. ; DEMARCHI, D. A. . Palaeodietary inferences based on isotopic data for pre-Hispanic populations of the Central Mountains of Argentina. International Journal of Osteoarchaeology (Print) , v. 19, p. 237-249, 2009.

  • SOUTHON, JOHN ; SANTOS, GUACIARA M. . Life with MC-SNICS. Part II: Further ion source development at the Keck carbon cycle AMS facility. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 259, p. 88-93, 2007.

  • SOUTHON, J. R. ; Santos G. M. ; HAN, B. . Cs FEED TESTS AND EMITTANCE MEASUREMENTS ON A MODIFIED MC-SNICS ION SOURCE FOR RADIOCARBON AMS. Radiocarbon , v. 49, p. 301, 2007.

  • SANTOS, G.M. ; SOUTHON, J.R. ; GRIFFIN, S. ; BEAUPRE, S.R. ; DRUFFEL, E.R.M. . Ultra small-mass AMS 14C sample preparation and analyses at KCCAMS/UCI Facility. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 259, p. 293-302, 2007.

  • SANTOS, G.M. ; MAZON, M. ; SOUTHON, J.R. ; RIFAI, S. ; MOORE, R. . Evaluation of iron and cobalt powders as catalysts for 14C-AMS target preparation. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 259, p. 308-315, 2007.

  • Santos G. M. ; MOORE, R. B. ; SOUTHON, J. R. ; Griffin, S ; HINGER, E. N. ; ZHANG, DACHUN . AMS 14C sample preparation at the KCCAMS/UCI Facility: status report and performance of small samples. Radiocarbon , v. 49, p. 255, 2007.

  • INGALLS, A. E. ; SHAH, S. R. ; HANSMAN, R. L. ; ALUWIHARE, L. I. ; SANTOS, G. M. ; DRUFFEL, E. R. M. ; PEARSON, A. . Quantifying archaeal community autotrophy in the mesopelagic ocean using natural radiocarbon. Proceedings of the National Academy of Sciences of the United States of America , v. 103, p. 6442-6447, 2006.

  • GODOY, MARIA LUIZA D.P. ; GODOY, JOSÉ MARCUS ; KOWSMANN, RENATO ; DOS SANTOS, GUACIARA M. ; PETINATTI DA CRUZ, ROSANA . 234U and 230Th determination by FIA-ICP-MS and application to uranium-series disequilibrium in marine samples. Journal of Environmental Radioactivity , v. 88, p. 109-117, 2006.

  • SOUTHON, J. R. ; G. Santos ; DRUFFEL, E. R. M. ; GRIFFIN, S. ; Trumbore, S. E. ; XU, X. . High throughput, high precision 14C AMS with a small accelerator. IAEA-CN-115-10 , v. 37, p. 1, 2005.

  • SANTOS, G. M. ; SOUTHON, J. R. ; DRUFFEL-RODRIGUEZ, K. ; Griffin, S ; MAZON, M. . Magnesium perchlorate as an alternative water trap in AMS graphite sample preparation; a report on sample preparation at KCCAMS at the University of California, Irvine. Radiocarbon , v. 46, p. 165, 2004.

  • SOUTHON, J. R. ; G. Santos ; DRUFFEL-RODRIGUEZ, K. ; Druffel, E ; TRUMBORE, SUSAN ; XU, X. ; MAZON, M. ; ALI, S. ; MAZON, M. . The Keck Carbon Cycle AMS Laboratory, University of California, Irvine; initial operation and a background surprise. Radiocarbon , v. 46, p. 41, 2004.

  • DRUFFEL, ELLEN R. M. ; Griffin, S ; HWANG, J. ; KOMADA, T. ; BEAUPRE, S. R. ; DRUFFEL-RODRIGUEZ, K. ; Santos G. M. ; SOUTHON, J. R. . VARIABILITY OF MONTHLY RADIOCARBON DURING THE 1760s IN CORALS FROM THE GALAPAGOS ISLANDS. Radiocarbon , v. 46, p. 627, 2004.

  • SOUTHON, J. R. ; Santos G. M. . Ion source development at KCCAMS, University of California, Irvine. Radiocarbon , v. 46, p. 33, 2004.

  • GOMES, P.R.S ; SANTOS, G.M ; FERRAZ, K.C ; MARQUES, A.N ; CORDEIRO, R.C ; BARBOSA, J.A ; SILVA, E.V . Applications of AMS 14C Measurements in Environmental and Economical Problems. Nuclear Physics. A (Print) , v. 734, p. E116-E119, 2004.

  • FERRAZ, K. C. ; MARQUES JR., A. N. ; RODRIGUEZ, E. G. ; SANTOS, G. M. ; GOMES, P. R. S. . Use of 14C-AMS in the study of biological production in coastal upwelling areas. Brazilian Journal of Physics (Impresso) , v. 34, p. 732-736, 2004.

  • BARBOSA, J.A ; CORDEIRO, R.C ; SILVA, E.V ; TURCQ, B ; GOMES, P.R.S ; SANTOS, G.M ; SIFEDINNE, A ; ALBUQUERQUE, A.L.S ; LACERDA, L.D ; HAUSLADEN, P.A ; TIMS, S.G ; LEVCHENKO, V.A ; FIFIELD, L.K . 14C-AMS as a tool for the investigation of mercury deposition at a remote Amazon location. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 223-224, p. 528-534, 2004.

  • SANTOS, G.M ; BIRD, M.I ; PARENTI, F ; FIFIELD, L.K ; GUIDON, N ; HAUSLADEN, P.A . A revised chronology of the lowest occupation layer of Pedra Furada Rock Shelter, Piau--, Brazil: the Pleistocene peopling of the Americas. Quaternary Science Reviews , v. 22, p. 2303-2310, 2003.

  • BIRD, M.I. ; FIFIELD, L.K. ; SANTOS, G.M. ; BEAUMONT, P.B. ; ZHOU, Y. ; DI TADA, M.L. ; HAUSLADEN, P.A. . Radiocarbon dating from 40 to 60kaBP at Border Cave, South Africa. Quaternary Science Reviews , v. 22, p. 943-947, 2003.

  • MG Leavesley ; BIRD, M. ; FIFIELD, L. K. ; HAUSLADEN, P. A. ; Guaciara M Santos ; TADA, M. . Buang Merabak: Early Evidence for Human Occupation in the Bismarck Archipelago, Papua New Guinea. AUST ARCHAEOL , v. 54, p. 55, 2002.

  • CORDEIRO, R. C. ; TURCQ, B. J. ; SIFEDDINE, A. ; SANTOS, G. M. ; SANTOS, G. M. ; GOMES, P. R. S. ; ANJOS, R. M. ; TADA, M. ; CRESSWELL, R. G. . Evidences of Holocene Fires in Central Amazon Tropical Rain Forest. Holocene, Submitted to publication, 2001.

  • LEE, S.H. ; GAUSTAUD, J. ; La ROSA, J. J. ; KNWONG, L. L. W. ; POVINEC, P. P. ; WYSE, E. ; FIFIELD, L. K. ; HAUSLADEN, P. A. ; TADA, M. ; SANTOS, G. M. ; SANTOS, G. M. . Analysis of Plutonium Isotopes in Marine Samples by Radiometric, ICP-MS and AMS Techniques. Journal of Radioanalytical and Nuclear Chemistry, v. 248, n.3, p. 757-764, 2001.

  • BIRD, M. I. ; C.S.M. Turney ; FIFIELD, L. K. ; CRESSWELL, R. G. ; SANTOS, G. M. ; SANTOS, G. M. ; TADA, M. ; HAUSLADEN, P. A. ; YOUPING, Z. ; KERSHAW, A. P. . Development of a Robust 14C Chronology for Lynch's Crater (North Queesland, Australia) using Different Pre-treatment Strategies. Radiocarbon, in press, 2001.

  • C.S.M. Turney ; KERSHAW, A. P. ; MOSS, P. ; BIRD, M. I. ; FIFIELD, L. K. ; CRESSWELL, R. G. ; SANTOS, G. M. ; SANTOS, G. M. ; TADA, M. ; HAUSLADEN, P. A. ; YOUPING, Z. . Redating the Onset of Burning at for Lynch's Crater (North Queesland): Implications for Human Settlement in Australia. Quaternary Research, v. 43, p. 45-54, 2001.

  • SANTOS, G. M. ; CORDEIRO, R. C. ; SILVA, V. F. ; TURCQ, B. J. ; LACERDA, L. D. ; FIFIELD, L. K. ; GOMES, PAULO R.S. ; HAUSLADEN, P. A. ; SIFEDDINE, A. ; ALBUQUERQUE, A. S. . Chronology of the atmospheric mercury in Lagoa da Pata basin, upper Rio Negro region of Brazilian Amazon. Radiocarbon , v. 43, p. 801, 2001.

  • FIFIELD, L. K. ; BIRD, M. I. ; C.S.M. Turney ; HAUSLADEN, P. A. ; Santos G. M. ; TADA, M. . Radiocarbon dating of the human occupation of Australia prior to 40 ka BP; successes and pitfalls. Radiocarbon , v. 43, p. 1139, 2001.

  • Guaciara M Santos ; BIRD, M. I. ; FIFIELD, L. K. ; ALLOWAY, B. V. ; CHAPPELL, J. ; HAUSLADEN, P. A. ; ARNETH, A. . Radiocarbon dating of wood using different pretreatment procedures; application to the chronology of Rotoehu Ash, New Zealand. Radiocarbon , v. 43, p. 239, 2001.

  • C.S.M. Turney ; BIRD, M. I. ; FIFIELD, L. K. ; KERSHAW, A. P. ; CRESSWELL, R. G. ; Santos G. M. ; TADA, M. ; HAUSLADEN, P. A. ; YOUPING, Z. . Development of a robust (super 14) C chronology for Lynch's Crater (North Queensland, Australia) using different pretreatment strategies. Radiocarbon , v. 43, p. 45, 2001.

  • TURNEY, C. S. M. ; KERSHAW, A. P. ; MOSS, P. ; BIRD, M. I. ; FIFIELD, L. K. ; CRESSWELL, R. G. ; SANTOS, G. M. ; DI TADA, M. L. ; HAUSLADEN, P. A. ; ZHOU, Y. . Redating the onset of burning at Lynch's Crater (North Queensland): implications for human settlement in Australia. JQS. Journal of Quaternary Science (Print) , v. 16, p. 767-771, 2001.

  • SMITH, M. ; BIRD, M. I. ; C.S.M. Turney ; FIFIELD, L. K. ; Santos G. M. ; HAUSLADEN, P. A. ; TADA, M. . New ABOX AMS-14c ages remove dating anomalies at Puritjarra Rock Shelter. AUST ARCHAEOL , v. 53, p. 45, 2001.

  • LEE, S. H. ; GASTAUD, J. ; La ROSA, J. J. ; KWONG, L. LIONG WEE ; POVINEC, P. P. ; WYSE, E. ; FIFIELD, L. K. ; HAUSLADEN, P. A. ; DI TADA, L. M. ; SANTOS, G. M. . Analysis of Plutonium Isotopes in Marine Samples by Radiometric, ICP-MS and AMS Techniques. Journal of Radioanalytical and Nuclear Chemistry (Print) , v. 248, p. 757-764, 2001.

  • SANTOS, G.M ; ACQUADRO, J.C ; GOMES, P.R.S ; ANJOS, R.M ; LIGUORI NETO, R ; ADDED, N ; MEDINA, N.H ; CARLIN, N ; COIMBRA, M.M ; DI TADA, M.L ; CRESSWELL, R.G ; FIFIELD, L.K . The Brazilian Bragg curve detector built for AMS studies. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 172, p. 310-315, 2000.

  • SANTOS, G.M ; GOMES, P.R.S ; ANJOS, R.M ; CORDEIRO, R.C ; TURCQ, B.J ; SIFEDDINE, A ; DI TADA, M.L ; CRESSWELL, R.G ; FIFIELD, L.K . 14C AMS dating of fires in the central Amazon rain forest. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 172, p. 761-766, 2000.

  • GOMES, P.R.S ; ANJOS, R.M ; ACQUADRO, J.C ; SANTOS, G.M ; MACARIO, K.D ; LIGUORI NETO, R ; ADDED, N ; COIMBRA, M.M ; APPOLONI, C.R ; DE CASTRO FARIA, N.V ; MAGALHÃES, S.D ; DONANGELO, R . Current status of the Brazilian AMS program. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (Print) , v. 172, p. 82-86, 2000.

  • GOMES, PAULO ROBERTO SILVEIRA ; ANJOS, R. M. ; ACQUADRO, J. C. ; SANTOS, G.M ; MACARIO, KITA ; LIGUORI NETO, R. ; ADDED, N. ; CORDEIRO, R.C ; TURCQ, B ; SIFEDINNE, A . Implementation of the accelerator mass spectrometry technique in Brazil and environmental studies in central amazon forest. Acta Physica Hungarica. Heavy Ion Physics (Print) , v. 31, p. 485, 2000.

  • GOMES, PAULO ROBERTO SILVEIRA ; ANJOS, R. M. ; ACQUADRO, J. C. ; SANTOS, G.M ; MACARIO, KITA ; LIGUORI NETO, R. ; ADDED, N. ; CORDEIRO, R.C ; TURCQ, B ; SIFEDINNE, A . Implementation of the accelerator mass spectrometry technique in Brazil and environmental studies in central amazon forest. Acta Physica Hungarica. Heavy Ion Physics (Print) , v. 31, p. 485, 2000.

  • MACIEL, A. M. M. ; GOMES, P. R. S. ; LUBIAN, J. ; ANJOS, R. M. ; CABEZAS, R. ; SANTOS, G. M. ; SANTOS, G. M. ; MURI, C. ; MORAES, S. B. ; LIGUORI NETO, R. ; ADDED, N. ; CARLIN FILHO, N. ; TENREIRO, C. . Influence of the 6,7Li Breakup Process on the Near Barrier Elastic Scattering by Heavy Nuclei. Physical Review. C, Nuclear Physics , The American Physical Society, v. 59, n.4, p. 2103-2107, 1999.

  • SANTOS, G. M. ; GOMES, P. R. S. ; ANJOS, R. M. ; CORDEIRO, R. C. ; TURCQ, B. J. ; SIFEDDINE, A. ; TADA, M. ; CRESSWELL, R. G. ; FIFIELD, L. K. . Utilizacao da Tecnica de 14C - AMS em Datacao de Fragmentos de Carvao de Solos do Periodo do Holoceno na Floresta Amazonica (Regiao Manaus). Revista de Física Aplicada e Instrumentação , Brasil, v. 14, n.1, p. 1-11, 1999.

  • SANTOS, G. M. ; GOMES, P. R. S. ; YOKOYAMA, Y. ; TADA, M. ; CRESSWELL, R. G. ; FIFIELD, L. K. . Datacao por 14C utilizando Espectrometria de Massa com Acelerador de Particulas. Revista de Física Aplicada e Instrumentação , Brasil, v. 14, n.1, p. 8-26, 1999.

  • MURI, C. ; ANJOS, R. M. ; CABEZAS, R. ; GOMES, P. R. S. ; MORAES, S. B. ; MACIEL, A. M. M. ; SANTOS, G. M. ; SANTOS, G. M. ; LUBIAN, J. ; SANT'ANNA, M. M. ; TENREIRO, C. . Elastic, Inelastic Scattering and Fusion of the 14N + 59Co System at Energies Close to the Coulomb Barrier. European Physical Journal A, Springer-Verlag, v. 1, p. 143-149, 1998.

  • SANTOS, G. M. ; ACQUADRO, J. C. ; ANJOS, R. M. ; ADDED, N. ; LIGUORI NETO, R. ; GOMES, P. R. S. ; RIZZUTO, M. A. ; MEDINA, N. H. ; CARLIN FILHO, N. . A Bragg Detector Built for AMS Purposes. Revista de Física Aplicada e Instrumentação , Brasil, v. 13, n.3, p. 39-43, 1998.

  • ZERWEKH, A. ; LIGUORI NETO, R. ; ADDED, N. ; ACQUADRO, J. C. ; CARLIN FILHO, N. ; FRIZZARINI, M. ; MALANDRINO, F. ; GOMES, P. R. S. ; ANJOS, R. M. ; CABEZAS, R. ; SANTOS, G. M. ; SANTOS, G. M. ; MACIEL, A. M. M. ; MURI, C. ; RAMIREZ, G. ; TENREIRO, C. ; LUBIAN, J. . Elastic Scattering of 27Al + 27Al at Near Barrier Energies. Physical Review. C, Nuclear Physics , The American Physical Society, v. 58, n.6, p. 3445-3450, 1998.

  • SANTOS, G. M. ; ACQUADRO, J. C. ; ANJOS, R. M. ; GOMES, P. R. S. ; TENREIRO, C. ; LIGUORI NETO, R. ; SCHINITTER, U. ; MEDINA, N. H. ; CARLIN FILHO, N. ; ADDED, N. ; MACIEL, A. M. M. ; RIZZUTO, M. A. ; COIMBRA, M. M. ; APPOLONI, C. R. . Implementacao da Tecnica de Espectrometria de Massa com Aceleradores - AMS - no Brasil. Revista de Física Aplicada e Instrumentação , v. 12, n.2, p. 72-80, 1997.

  • ANJOS, R M ; MURI, C ; MORAES, S B ; CABEZAS, R ; GOMES, P R S ; TENREIRO, C ; NETO, R LIGUORI ; MACIEL, A M M ; SANTOS, G M . Can fusion, elastic and inelastic scattering of heavy ions be understood, without a simultaneous analysis of them?. Journal of Physics. G, Nuclear and Particle Physics , v. 23, p. 1423-1429, 1997.

  • FELLOWS, C. E. ; SANTOS, G. M. ; SANTOS, G. M. ; MASSONE, C. A. ; VERGES, J. . A Na-2 X(1) Sigma(+)(g) and (1)(1)Pi(g) Eletronic States Long Range Anaysis. Zeitschrift für Physik. D, Atoms, Molecules and Clusters , v. 32, n.4, p. 321-327, 1995.

  • Trumbore, S. E. ; XU, X. ; SANTOS, G. M. ; CZIMCZIK, C. I. ; Beaupré, S. R. ; PACK, M. A. ; Hopkins, F. M. ; STILLS, A. ; LUPASCU, M. ; Ziolkowski, L. . Preparation for Radiocarbon Analysis. Radiocarbon and Climate Change. 1ed.: Springer International Publishing, 2016, v. , p. 279-315.

  • SANTOS, GUACIARA M. . Beyond archaeology: 14C-AMS and the global carbon cycle. In: IX LATIN AMERICAN SYMPOSIUM ON NUCLEAR PHYSICS AND APPLICATIONS, 2012, Quito. p. 311.

  • SANTOS, G. M. ; CORDEIRO, R. C. ; E.V. Silva Filho ; TURCQ, B. J. ; LACERDA, L. D. ; FIFIELD, L. K. ; GOMES, P. R. S. ; HAUSLADEN, P. A. ; SIFEDDINE, A. . Chronology of Atmospheric Mercury in Lagoa da Pata, Upper Rio Negro Region of Brazilian Amazon. In: 17th International Radiocarbon Conference, 2001, Judean Hills. Radiocarbon, 2000.

  • SANTOS, G. M. ; BIRD, M. I. ; PILLANS, B. ; FIFIELD, L. K. ; ALLOWAY, B. V. ; CHAPPELL, J. ; HAUSLADEN, P. A. . Radiocarbon Dating of Wood using a Different Pretreatment Procedures: Application to the Chronology of Rotoehu Ash. In: 17th International Radiocarbon Conference, 2001, Judean Hills. Radiocarbon, 2000.

  • FIFIELD, L. K. ; BIRD, M. I. ; CSM Turney ; HAUSLADEN, P. A. ; SANTOS, G. M. ; SANTOS, G. M. ; TADA, M. . Radiocarbon Dating of the Human Occupaton of Australia prior to 40ka B.P. - Successes and Pitfalls. In: 17th International radiocarbon Conference, 2001, Judean Hills. Radiocarbon, 2000.

  • GOMES, P. R. S. ; ANJOS, R. M. ; SANTOS, G. M. ; SANTOS, G. M. ; ACQUADRO, J. C. ; MACARIO, K. D. ; LIGUORI NETO, R. ; ADDED, N. ; COIMBRA, M. M. ; APPOLONI, C. R. ; N.V. de Castro Faria . Current Status of the Brazilian AMS Program. In: 8th International Conference on Accelerator Mass Spectrometry, 2000, Palais Auersperg, Vienna. Nuclear Instruments and Methods in Physical Research B, 1999. v. 172. p. 82-86.

  • SANTOS, G. M. ; ACQUADRO, J. C. ; GOMES, P. R. S. ; ANJOS, R. M. ; LIGUORI NETO, R. ; ADDED, N. ; MEDINA, N. H. ; CARLIN FILHO, N. ; TADA, M. ; CRESSWELL, R. G. ; FIFIELD, L. K. . The Brazilian Bragg-curve Detector Built for AMS Studies. In: 8th International Conference on Accelerator Mass Spectrometry, 2000, Palais Auersperg, Vienna. Nuclear Instruments and Methods in Physics Research B, 1999. v. 172. p. 310-315.

  • SANTOS, G. M. ; GOMES, P. R. S. ; ANJOS, R. M. ; CORDEIRO, R. C. ; TURCQ, B. J. ; SIFEDDINE, A. ; TADA, M. ; CRESSWELL, R. G. ; FIFIELD, L. K. . 14C AMS Dating of Fires in Central Amazon Rain Forest. In: 8th International Conference on Accelerator Mass Spectrometry, 2000, Palais Auersperg, Vienna. Nuclear Instruments and Methods in Physical Research B, 1999. v. 172. p. 761-766.

  • GOMES, P. R. S. ; ANJOS, R. M. ; ACQUADRO, J. C. ; SANTOS, G. M. ; SANTOS, G. M. ; MACARIO, K. D. ; LIGUORI NETO, R. ; ADDED, N. ; CORDEIRO, R. C. ; TURCQ, B. J. ; SIFEDDINE, A. . Implementation of the Accelerator Mass Spectrometry Technique in Brazil and Environmental Studies in Central Amazon Forest. In: 3rd Latin American Workshop on Heavy Ion Nuclear Physics, 2000, San Andres Islands. Heavy Ion Physics, 1999. v. 11. p. 485-496.

  • CORDEIRO, R. C. ; SANTOS, G. M. ; SANTOS, G. M. ; TURCQ, B. J. ; GOMES, P. R. S. ; SIFEDDINE, A. ; ANJOS, R. M. ; FIFIELD, L. K. ; TADA, M. ; CRESSWELL, R. G. . Datacoes em Amostras de Carvoes de Solo de Floresta de Terra Firme da Amazonia Central. In: Congresso da Associacao Brasileira dos Estudos do Quaternario, 1999, Porto Seguro. Anais do Congresso da Associacao Brasileira dos Estudos do Quaternario, 1999.

  • SANTOS, G. M. ; GOMES, P. R. S. ; ANJOS, R. M. ; LUBIAN, J. ; CORDEIRO, R. C. ; TURCQ, B. J. ; SIFEDDINE, A. ; TADA, M. ; CRESSWELL, R. G. ; FIFIELD, L. K. . Application of Accelerator Mass Spectrometry on Environmental Studies Concerning Ages of Holocene Fires in Central Amazon Forest. In: II International Symposium on Nuclear and Related Tecchniques in Agriculture, Industry and Environmental Studies, 1999, Havana. Proceedings of the II International Symposium on Nuclear and Related Techniques in Agriculture, Industry and Environmental Studies. Cuba: Research Communication in Special Volume, 1999.

  • SANTOS, G. M. ; ANJOS, R. M. ; GOMES, P. R. S. ; MACIEL, A. M. M. ; LIGUORI NETO, R. ; ACQUADRO, J. C. ; ADDED, N. ; CARLIN FILHO, N. ; RIZZUTO, M. A. . Results of a Bragg Detector Built for the AMS Program. In: XX Reuniao de Trabalho em Fisica Nuclear no Brasil, 1998, Guaratingueta. XX Brazilian Workshop on Nuclear Physics, 1997. p. 427-429.

  • GOMES, P. R. S. ; MACIEL, A. M. M. ; ANJOS, R. M. ; MORAES, S. B. ; LIGUORI NETO, R. ; CABEZAS, R. ; MURI, C. ; SANTOS, G. M. ; SANTOS, G. M. ; J.F. Liang . Transfer Reactions as Doorway to Fusion. In: Fusion 97 Workshop on Heavy-ion Collisions at Near-barrier Energies, 1997, South Durras, NSW. Journal of Physics G, 1997. v. 23. p. 1315-1321.

  • LUBIAN, J. ; CABEZAS, R. ; GOMES, P. R. S. ; ANJOS, R. M. ; MACIEL, A. M. M. ; MORAES, S. B. ; MURI, C. ; SANTOS, G. M. ; SANTOS, G. M. ; CAPOTE, R. . Nuclear Shape Predictions from Heavy Ion Reactions at Energies Near the Coulomb Barrier. In: The International Conference on Nuclear Data for Science and Technology, 1997, Trieste. Proceedings of the International Conference on Nuclear Data for Science and Technology, part. I, 1997. p. 762-764.

  • ANJOS, R. M. ; MURI, C. ; MORAES, S. B. ; CABEZAS, R. ; GOMES, P. R. S. ; TENREIRO, C. ; LIGUORI NETO, R. ; MACIEL, A. M. M. ; SANTOS, G. M. ; SANTOS, G. M. . Can Fusion, Elastic and Inelastic Scattering of Heavy Ions be Understood, Without a Simultaneos Analysis of THem?. In: Fusion 97 Workshop on Heavy-Ion Collisions at Near-barrier Energies, 1997, South Durras, NSW. Journal of Physics G, 1997. v. 23. p. 1423.

  • SANTOS, G. M. ; ACQUADRO, J. C. ; ANJOS, R. M. ; GOMES, P. R. S. ; TENREIRO, C. ; LIGUORI NETO, R. ; COIMBRA, M. M. ; APPOLONI, C. R. ; MACIEL, A. M. M. ; MEDINA, N. H. . Brazilian Accelerator mass Spectrometry Program. In: 7th International Conference on Accelerator Mass Spectrometry, 1996, Tucson, Arizona. Nuclear Instrumenths and Methods in Physical Research B, 1996. v. 123. p. 34-38.

  • GOMES, P. R. S. ; ANJOS, R. M. ; SANTOS, G. M. ; SANTOS, G. M. . The Accelerator Mass Spectrometry (AMS) Technique. In: VIII Simposio da Sociedad Cubana de Fisica, 1996, Havana. Proceedings of the VII Simposio da Sociedad Cubana de Fisica, 1996.

  • DECKKER, P. ; KAARS, S. V. D. ; TAKAHASHI, K. ; BARROWS, T. T. ; FIFIELD, L. K. ; SANTOS, G. M. ; SANTOS, G. M. ; YOKOYAMA, Y. ; OLLEY, J. ; ROBERTS, R. G. ; LAWSON, E. K. . Palaeoenvironmental Change on Land and at Sea in the Vicinity of Cape Range of Western Australia - A 50,000 yeras record un ravelled using numerous proxies on a deep-sea core.. In: Quaternary Studies Meeting, 2000, Canberra. Proceedings of the Quaternary Studies Meeting, 2000. v. 1. p. 21.

  • FIFIELD, L. K. ; CRESSWELL, R. G. ; TADA, M. ; HAUSLADEN, P. A. ; SANTOS, G. M. ; SANTOS, G. M. . Cronologies from Accelerator Mass Spectrometry. In: Quaternary Studies Meeting, 2000, Canberra. Proceedings of the Quaternary Studies Meeting, 2000. v. 1. p. 34.

  • REIMER, S. ; HARMAN, L. ; WASSON, R. ; MANCINI, E. ; FIFIELD, L. K. ; TADA, M. ; SANTOS, G. M. ; SANTOS, G. M. ; HAUSLADEN, P. A. . Historical Rates of Erosion of the Australian Landscape as Measured with Beryllium-10. In: Third Conference on Nuclear Science and Engineering in Australia, 1999, Canberra. Australian Nuclear Association - ANA, 1999.

  • LIGUORI NETO, R. ; ADDED, N. ; ACQUADRO, J. C. ; CARLIN FILHO, N. ; RIZZUTO, M. A. ; GOMES, P. R. S. ; ANJOS, R. M. ; SANTOS, G. M. ; SANTOS, G. M. . AMS no Laboratorio Pelletron: Desenvolvimento e Testes. In: XXI Reuniao de Trabalho em Fisica Nuclear no Brasil, 1998, Itatiaia. Proceedings of the XXI Reuniao de Trabalho em Fisica Nuclear no Brasil, 1998. p. 66.

  • MACIEL, A. M. M. ; GOMES, P. R. S. ; LUBIAN, J. ; ANJOS, R. M. ; CABEZAS, R. ; MORAES, S. B. ; MURI, C. ; SANT'ANNA, M. M. ; SANTOS, G. M. ; SANTOS, G. M. ; LIGUORI NETO, R. ; ADDED, N. ; CARLIN FILHO, N. ; TENREIRO, C. . Espalhamento Elastico do 6,7 Li + 138 Ba a Energia Proxima a Barreira Coulombiana. In: XXI Reuniao de Trabalho em Fisica Nuclear no Brasil, 1998, Itatiaia. Proceedings of the XXI Reuniao de Trabalho em Fisica Nuclear no Brasil, 1998. v. 1. p. 126.

  • ACQUADRO, J. C. ; SANTOS, G. M. ; SANTOS, G. M. ; GOMES, P. R. S. ; ANJOS, R. M. ; MACIEL, A. M. M. ; MURI, C. ; MORAES, S. B. ; MEDINA, N. H. ; RIZZUTO, M. A. ; CARLIN FILHO, N. ; COIMBRA, M. M. ; APPOLONI, C. R. . Brazilian Accelerator Mass Spectrometry. In: International Conference on Nuclear Dynamics at Long and Short Distances, 1996, Angra dos Reis. Proceedings of the International Conference on Nuclear Dynamics at Long and Short Distances, 1996. v. 1. p. 87.

  • ACQUADRO, J. C. ; SANTOS, G. M. ; SANTOS, G. M. ; GOMES, P. R. S. ; ANJOS, R. M. ; MACIEL, A. M. M. ; ADDED, N. ; LIGUORI NETO, R. ; RIZZUTO, M. A. ; CARLIN FILHO, N. ; COIMBRA, M. M. ; MEDINA, N. H. ; APPOLONI, C. R. . Resultados Recentes do Programa Brasileiro de AMS. In: XIX Reuniao de Trabalho em Fisica Nuclear no Brasil, 1996, Aguas de Lindoia. Proceedings of the XIX Reuniao de Trabalho em Fisica Nuclear no Brasil, 1996. v. 1. p. 3.

  • MURI, C. ; ANJOS, R. M. ; CABEZAS, R. ; GOMES, P. R. S. ; MORAES, S. B. ; MACIEL, A. M. M. ; SANTOS, G. M. ; SANTOS, G. M. ; TENREIRO, C. ; LIGUORI NETO, R. . Espalhamento Elastico, Inelastico e Fusao dos Sistema 14N + 59Co. In: XIX Reuniao de Trabalho em Fisica Nuclear no Brasil, 1996, Aguas de Lindoia. Proceedings of the XIX Reuniao de Trabalho em Fisica Nuclear em Brasil, 1996. v. 1. p. 45.

  • ZERWEKH, A. ; LIGUORI NETO, R. ; ADDED, N. ; ACQUADRO, J. C. ; CARLIN FILHO, N. ; FRIZZARINI, M. ; MALANDRINO, F. ; GOMES, P. R. S. ; ANJOS, R. M. ; CABEZAS, R. ; SANTOS, G. M. ; SANTOS, G. M. ; MACIEL, A. M. M. ; MURI, C. ; RAMIREZ, G. ; TENREIRO, C. ; LUBIAN, J. . Elastic Scattering of 27Al + 27Al at near Barrier Energies. In: XIX Reuniao de Trabalho em Fisica Nuclear no Brasil, 1996, Aguas de Lindoia. Proceedings of the XIX Reuniao de Trabalho em Fisica Nuclear no Brasil, 1996. v. 1. p. 8.

  • SANTOS, G. M. ; FELLOWS, C. E. ; MASSONE, C. A. ; VERGES, J. . Analise dos Estados Eletronicos X(1) Sigma(+)(g) e (1)(1)Pi(g) da molecula de Na-2 na Regiao de Longo Alcance. In: XVIII Encontro Nacional de Fisica da Materia Condensada, 1995, Caxambu. Proceedings of the XVIII Encontro Nacional de Fisica da Materia Condensada, 1995. v. 1. p. 24.

  • SANTOS, G. M. ; FELLOWS, C. E. ; MASSONE, C. A. ; VERGES, J. . O Estudo do Estado Eletronico Fundamental X(1) Sigma(+)(g), da molecula de Na-2, pela Tecnica de Espectroscopia Transformada de Fourier. In: XVIII Encontro Nacional de Fisica da Materia Condensada, 1995, Caxambu. Proceedings of the XVIII Encontro Nacional de Fisica da Materia Condensada, 1995. v. 1. p. 9-10.

  • MORAES, S. B. ; GOMES, P. R. S. ; MACIEL, A. M. M. ; ANJOS, R. M. ; MURI, C. ; SANTOS, G. M. ; SANTOS, G. M. ; COELHO, C. T. ; CHARRET, I. . Fusao e Evaporacao de 9Be + 64Zn. In: XVIII Reuniao de Trabalho em Fisica Nuclear no Brasil, 1995, Aguas de Lindoia. Proceedings da XIII Reuniao de Trabalho em Fisica Nuclear no Brasil, 1995. v. 1. p. 18.

  • Guaciara M Santos ; HADAD, MARTÍN A. ; JUNENT, F. A. R. ; ANDREU-HAYLES, L. . Southern Hemisphere atmospheric radiocarbon during the past 60 years: filling up existing gaps and validating long-lasting tree species for further analysis.. 2016. (Apresentação de Trabalho/Conferência ou palestra).

  • Guaciara M Santos ; ANDREU-HAYLES, LAIA ; MARTIN-FERNÁNDEZ, JAVIER ; HERRERA-RAMÍREZ, DAVID ; ARANGO, J. . Dating tree rings from tropical tree species by combining radiocarbon measurements and dendrochronological techniques. 2016. (Apresentação de Trabalho/Conferência ou palestra).

  • GROTHE, P. R. ; COBB, K. M. ; LAWRENCE, E. R. ; HAI, C. ; DEOCAMPO, D. ; SOUTHON, JOHN ; SANTOS, G. M. ; LU, Y. ; LIGUORI, G. . Central tropical Pacific corals constrain anthropogenic influence on recent ENSO extremes. 2016. (Apresentação de Trabalho/Congresso).

  • LINDAUER, S. ; HINDERER, M. ; SANTOS, G. M. ; STEINHOF, A. ; YOUSIF, E. ; JASIM, S. A. ; PHILLIPS, C. ; UERPMANN, H. . The local marine reservoir effect at Kalba between neolithic and iron age. 2016. (Apresentação de Trabalho/Congresso).

  • GROTHE, PAMELA R. ; COBB, K. M. ; LIGUORI NETO, R ; LORENZO, E. ; CAPOTONDI, A. ; LU, Y. ; CHENG, H. ; EDWARDS, L. ; SOUTHON, J. R. ; SANTOS, G M ; DEOCAMPO, DANIEL M. ; LYNCH-STIEGLITZ, J. ; CHEN, T. ; SAYANI, H. R. ; TOWNSEND, K. ; HAGOS, M. ; O?CONNOR, G. ; THOMPSON, D. M. ; TOTH, L. T. . Robust evidence for forced changes in ENSO: from the mid-Holocene to the 21st century. 2016. (Apresentação de Trabalho/Congresso).

  • MANGINI, A. ; GODOY, J.M. ; RUCKELSHAUSEN, M. ; SANTOS, G M ; KOWSMANN, R. ; SCHROEDER-RITZRAU, A. ; FRANK, N. . A revisited discussion of AIW ages derived from cold water corals off Brazil. 2016. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . Recent Advances in Phytolith Carbon Research. 2016. (Apresentação de Trabalho/Congresso).

  • REYERSON, P. ; SANTOS, G M . New estimates of global phytolith and phytolith-occluded carbon pools and fluxes. 2016. (Apresentação de Trabalho/Congresso).

  • Alexandre, H.G ; BALESDENT, J. ; BASILE-DOELSCH, ISABELLE ; BORSCHNECK, D. ; CAZEVIEILLE, PATRICK ; CHEVASSUS-ROSSET, CLAIRE ; DOELSCH, EMMANUEL ; HARUTYUNYAN, ARAKS ; LEMEE, L. ; MASION, A. ; MAZUR, JEAN-CHARLES ; MICHE, HÉLÈNE ; SIGNORET, PATRICK ; VIEL, S. ; ZIARELLI, F. ; SANTOS, G M . Origin, location and molecular characterization of phytolith carbon: insights for the phytolith carbon cycle. 2016. (Apresentação de Trabalho/Congresso).

  • SANCHEZ, JESSICA ; ALFONSO-GARCIA, ALBA ; GALLAGHER, KIMBERLEY L. ; POTMA, ERIC O. ; HARUTYUNYAN, ARAKS ; SANTOS, G. M. . Chemical Characterization of Phytoliths with Raman Spectroscopy: What is inside?. 2015. (Apresentação de Trabalho/Congresso).

  • Alexandre, H.G ; SANTOS, G. M. ; BALESDENT, J. ; BASILE-DOELSCH, ISABELLE ; BORSCHNECK, D. ; CAZEVIEILLE, PATRICK ; CHEVASSUS-ROSSET, CLAIRE ; DOELSCH, EMMANUEL ; HARUTYUNYAN, ARAKS ; LEMEE, L. ; MAZUR, J. C. ; REYERSON, P. ; SIGNORET, PATRICK . Soil organic carbon can be up-taken by plant roots and stored in plant biosilica: NanoSIMS and isotopic labeling evidences. 2015. (Apresentação de Trabalho/Congresso).

  • ANDREU-HAYLES, LAIA ; SANTOS, G. M. ; RAMIREZ, G. ; VALLE, J. I. ; MARTIN-FERNÁNDEZ, JAVIER ; BOZA-ESPINOZA, TATIANA ; FUENTES, ALFREDO ; GONZALEZ, P. L. ; RUIZ-CARRASCAL, D. ; JØRGENSEN, P. M. . Matching dendrochronological dates with the Southern Hemisphere 14C bomb curve to confirm annual tree rings in the tropics. 2015. (Apresentação de Trabalho/Congresso).

  • HUANG, L. ; ZHANG, W. ; SHARMA, S. ; BROOK, J. ; LEAITCH, R. ; CZIMCZIK, C. I. ; Guaciara dos Santos ; HE, K. ; DUAN, F. ; YANG, F. . Aerosol Carbon Isotopes at Alert, Canada: Understanding Emission Sources of Black Carbon Transported to the Arctic. 2015. (Apresentação de Trabalho/Congresso).

  • AUGUSTIN, C. H. R. R. ; LUCENA, U. P. ; SANTOS, G. M. ; COE, HELOISA H.G. . Evolução geomorfológica de veredas no quaternário a partir de inferências da paleovegetação e de paleoambientes, norte de Minas Gerais, Brasil. 2015. (Apresentação de Trabalho/Congresso).

  • REYERSON, P. ; Alexandre, H.G ; SANTOS, G. M. . Phytolith-Occluded Carbon Pools and Fluxes: New Estimates. 2015. (Apresentação de Trabalho/Congresso).

  • MARTIN, E. ; INGALLS, A. E. ; SANTOS, G. M. ; KEIL, RICHARD G. ; WEFFERLING, L. ; JONES, A. ; DRUFFEL, E. R. M. . Assessing the Age of Particulate Organic Matter Exported from a Temperate Rainforest Catchment of the North American Pacific Coast. 2015. (Apresentação de Trabalho/Congresso).

  • MOUTEVA, G. O. ; RANDERSON, J. T. ; FAHRNI, S. M. ; SANTOS, G. M. ; BUSH, S. ; EHLERINGER, J. ; CZIMCZIK, C. I. . Spatial and Temporal Variations of EC and OC Aerosol Combustion Sources in a Polluted Metropolitan Area. 2015. (Apresentação de Trabalho/Congresso).

  • LIM, S. ; JOO, T. ; LEE, M. ; CZIMCZIK, C. I. ; HOLDEN, S. ; MOUTEVA, G. O. ; SANTOS, G. M. ; XU, X. ; KIM, S. ; CHO, G. ; PARK, J. . Carbon and nitrogen isotopic composition of PM2.5 at a periurban Mt. Taehwa near Seoul and over the Yellow Sea. 2015. (Apresentação de Trabalho/Congresso).

  • GROTHE, P. ; COBB, K. M. ; EDWARDS, L. ; CHENG, H. ; DEOCAMPO, D. ; SOUTHON, J. R. ; SANTOS, G. M. . Central Tropical Pacific Corals Reveal Reduced ENSO Variability 3-5kyBP. 2015. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; XU, X. . Bag of tricks: a set of techniques, and other resources to help on 14C lab setup, sample processing and beyond. 2015. (Apresentação de Trabalho/Congresso).

  • OLIVEIRA, FABIANA ; SANTOS, G M ; GRAINGER, CASSANDRA S.G. ; PARK, J. ; MACARIO, KITA . Distribution maps of Δ14C from across Rio de Janeiro state and city during 2014 and 2015. 2015. (Apresentação de Trabalho/Congresso).

  • RANGEL, A. ; SANTOS, G M ; TOMAZELLO FILHO, MARIO ; SCHEEL-YBERT, R. ; SCHAAN, D. P. . Reconstructing the history of Indian Black Earth at an archaeological site of Santarém, Brazil by isotopic and anthracological analysis. 2015. (Apresentação de Trabalho/Congresso).

  • CZIMCZIK, C. I. ; MOUTEVA, G. O. ; FAHRNI, S. M. ; Guaciara M. dos Santos ; RANDERSON, J. T. . Radiocarbon-insights into temporal variations in the sources and concentrations of carbonaceous aerosols in the Los Angeles and Salt Lake City Metropolitan Areas. 2014. (Apresentação de Trabalho/Congresso).

  • LINARES, ROBERTO ; DOS SANTOS, HELLEN C. ; TOSTES, F. ; MACARIO, KITA ; OLIVEIRA, FABIANA ; GOMES, PAULO R.S. ; CASTRO, MAIKEL D. ; G. Santos ; TOMAZELLO FILHO, MARIO ; LISI, CLAUDIO S. . Radiocarbon measurements at LAC-UFF: recent performance. 2014. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J.R. ; SANTOS, G. M. ; MCCORMICKC, C. ; PEDERSON, C. ; ROBERTS, M. . Equipment upgrades at the UC Irvine Keck AMS laboratory. 2014. (Apresentação de Trabalho/Congresso).

  • MACARIO, KITA ; OLIVEIRA, FABIANA ; G. Santos ; CARVALHO, CARLA ; LINARES, ROBERTO ; DOS SANTOS, HELLEN C. ; GOMES, PAULO R.S. ; DOS ANJOS, ROBERTO MEIGIKOS ; JOU, RENATA M. ; CASTRO, MAIKEL D. ; ALVES, EDUARDO ; OLIVEIRA, M. I. . Report on the sample preparation methods performed at the Radiocarbon Laboratory of the Fluminense Federal University (LAC-UFF) in Brazil. 2014. (Apresentação de Trabalho/Congresso).

  • Guaciara dos Santos ; Alexandre, H.G ; HARUTYUNYAN, ARAKS ; REYERSON, P. ; GALLAGHER, KIMBERLEY L. ; BASILE-DOELSCH, I. ; BORSCHNECK, D. . The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivity. 2014. (Apresentação de Trabalho/Congresso).

  • LUCENA, U. P. ; AUGUSTIN, C. H. R. R. ; COE, HELOISA H.G. ; Guaciara M. dos Santos . Reconstituição da Paleovegetação e Inferências Geomorfológicas em Área de Vereda-Cerrado, Norte de Minas Gerais. 2014. (Apresentação de Trabalho/Congresso).

  • AUGUSTIN, C. H. R. R. ; LUCENA, U. P. ; SANTOS, G. M. ; COE, HELOISA H.G. . Evolução geomorfológica de área de veredas no Quaternário a partir de inferências da paleovegetação, norte de Minas Gerais, Brasil. 2014. (Apresentação de Trabalho/Congresso).

  • SANCHEZ, JESSICA ; SANTOS, G. M. . Chemical Characterization of Phytoliths with Raman Spectroscopy: What is inside?. 2014. (Apresentação de Trabalho/Congresso).

  • SANCHEZ, JESSICA ; ALFONSO-GARCIA, ALBA ; GALLAGHER, KIMBERLEY L. ; POTMA, ERIC O. ; HARUTYUNYAN, ARAKS ; SANTOS, G. M. . Chemical Characterization of Phytoliths with Raman Spectroscopy: What is inside?. 2014. (Apresentação de Trabalho/Congresso).

  • GALLAGHER, KIMBERLEY L. ; ALFONSO-GARCIA, ALBA ; SANCHEZ, JESSICA ; HARUTYUNYAN, ARAKS ; POTMA, ERIC O. ; SANTOS, G. M. . Characterizing the Nature and Distribution of Phytolith Organic Matter Using Raman Spectroscopy. 2014. (Apresentação de Trabalho/Congresso).

  • GROTHE, P. R. ; COBB, K. M. ; BUSH, S. ; HAI, C. ; SANTOS, G. M. ; SOUTHON, JOHN . A comparison of rapid-screen 14C dates and U/Th dates from fossil corals: implications for paleoclimate reconstruction. 2014. (Apresentação de Trabalho/Congresso).

  • OLIVEIRA, FABIANA ; SANTOS, G. M. ; GRAINGER, CASSANDRA S.G. ; MACARIO, KITA ; MUNIZ, MARCELO C. ; ALVES, EDUARDO . Preliminary carbon isotope measurements of fossil fuel and biogenic emissions from the Brazilian Southeastern region. 2014. (Apresentação de Trabalho/Congresso).

  • MOUTEVA, G. O. ; FAHRNI, S. M. ; RODGERS, B. ; WIGGINS, E. B. ; SANTOS, G. M. ; CZIMCZIK, C. I. ; RANDERSON, J. T. . Emissions of Black Carbon Aerosols from Alaskan Boreal Forest Wildfires. 2014. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; LINARES, ROBERTO ; LISI, CLAUDIO S. ; TOMAZELLO FILHO, MARIO . Annual growth rings in a sample of Paraná pine (Araucaria Angustifolia): towards improving the 14C calibration curve for the Southern Hemisphere. 2014. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; HARUTYUNYAN, ARAKS ; Alexandre, H.G ; REYERSON, P. ; GALLAGHER, KIMBERLEY L. ; BASILE-DOELSCH, ISABELLE . The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivity. 2014. (Apresentação de Trabalho/Congresso).

  • SANTOS, GUACIARA M ; MARTINEZ DE LA TORRE, HECTOR A. ; BOUDIN, MATHIEU ; BONAFINI, MARCO . Testing the removal of exogenous bounded carbon from modern human hair by cross-flow nanofiltrated amino acids procedure. 2014. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; ANDREU-HAYLES, L. ; MARTIN-FERNÁNDEZ, JAVIER ; HERRERA-RAMÍREZ, DAVID ; ARANGO, J. . Dating tree rings from tropical tree species by combining radiocarbon measurements and dendrochronological techniques. 2014. (Apresentação de Trabalho/Congresso).

  • LINARES, ROBERTO ; DOS SANTOS, HELLEN C. ; TOSTES, F. ; MACARIO, KITA ; OLIVEIRA, FABIANA ; GOMES, P R S ; CASTRO, MAIKEL D. ; SANTOS, G M ; TOMAZELLO FILHO, MARIO ; LISI, CLAUDIO S. . Radiocarbon measurements at LAC-UFF: recent performance. 2014. (Apresentação de Trabalho/Congresso).

  • MACARIO, KITA ; OLIVEIRA, FABIANA ; SANTOS, G M ; CARVALHO, CARLA ; LINARES, ROBERTO ; DOS SANTOS, HELLEN C. ; GOMES, P R S ; ANJOS, R M ; JOU, RENATA M. ; CASTRO, MAIKEL D. ; ALVES, EDUARDO ; OLIVEIRA, MARIA ISABELA . Report on the sample preparation methods performed at the Radiocarbon Laboratory of the Fluminense Federal University (LAC-UFF) in Brazil. 2014. (Apresentação de Trabalho/Congresso).

  • SOUTHON, JOHN ; SANTOS, G M ; MCCORMICKC, C. ; PEDERSON, C. ; ROBERTS, M. . Equipment upgrades at the UC Irvine Keck AMS laboratory.. 2014. (Apresentação de Trabalho/Congresso).

  • ELLIS, ERIN E. ; INGALLS, A. E. ; RICHEY, J. ; KEIL, RICHARD G. ; Guaciara M. dos Santos ; DRUFFEL, E. R. M. . Temporal Variability In The Age Of Carbon Exported By The Mekong River, Cambodia: A Comparison Between Lignin Phenols And Bulk Organic Matter. 2013. (Apresentação de Trabalho/Congresso).

  • GROTHE, P. R. ; COBB, K. M. ; BUSH, S. ; SANTOS, G. M. ; SOUTHON, JOHN ; HAI, C. ; LAWRENCE, E. R. . A comparison of rapid-screening 14C dates and U-Th dates from fossil corals: implications for paleoclimate reconstruction. 2013. (Apresentação de Trabalho/Congresso).

  • REYERSON, P. ; Guaciara M. dos Santos ; Alexandre, H.G ; CORBINEAU, R. ; HARUTYUNYAN, ARAKS ; SOUTHON, J.R. ; BADECK, FRANZ ; CATTIVELLI, LUIGI . Radiocarbon and δ13C measurements of extracted phytoliths from living grasses - where are we now?. 2013. (Apresentação de Trabalho/Congresso).

  • DANISIK, M. ; SHANE, P. ; SCHMITT, A. ; HOGG, A. ; G. Santos ; EVANS, N. ; STORM, S. ; FIFIELD, L.K ; LINDSAY, J. ; ALLOWAY, B. V. . Testing Accuracy of Combined Zircon (238U/230Th) and (U-Th)/He Dating Against Radiocarbon Dating. 2013. (Apresentação de Trabalho/Congresso).

  • LINARES, ROBERTO ; G. Santos ; MACARIO, KITA ; GOMES, PAULO R.S. ; LISI, CLAUDIO S. ; TOMAZELLO FILHO, MARIO . Towards calibration of the 14C curve for the Southern Hemisphere using subtropical Parana pine (Araucaria Angustifolia) from Brazil. 2013. (Apresentação de Trabalho/Congresso).

  • REYERSON, P. ; DOS SANTOS, G. M. ; Alexandre, H.G ; HARUTYUNYAN, ARAKS ; BADECK, FRANZ ; CATTIVELLI, LUIGI . Origin of Phytolith Carbon Revealed by Isotopic Measurements of Extracted Phytoliths from FACE Grasses. 2013. (Apresentação de Trabalho/Congresso).

  • MOUTEVA, G. O. ; FAHRNI, S. M. ; G. Santos ; RANDERSON, J. T. ; CZIMCZIK, C. I. . Radiocarbon source apportionment of urban and wildfire black and organic carbon aerosol. 2013. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; LINARES, ROBERTO ; LISI, CLAUDIO S. ; TOMAZELLO FILHO, MARIO . Assessing the potential of Paraná pine (Araucaria angustifolia) for high precision Southern Hemisphere 14C calibration. 2013. (Apresentação de Trabalho/Congresso).

  • SANTOS, GUACIARA . Direct 14C-AMS dating of biosilica of higher plants: tracking the origin of phytolith C of extracted phytoliths from comtemporary living grasses. 2012. (Apresentação de Trabalho/Conferência ou palestra).

  • DANISIK, M. ; SHANE, P. ; SCHMITT, A. ; HOGG, A. ; Santos G. M. ; EVANS, N. ; STORM, S. ; FIFIELD, L.K ; LINDSAY, J. . Testing Efficacy of Zircon (238U/230Th) + (U-Th)/He and Radiocarbon Dating Methods on the New Zealand Late Quaternary Tephras. 2012. (Apresentação de Trabalho/Congresso).

  • MARTINEZ DE LA TORRE, HECTOR A. ; ORMSBY, K. M. ; SANTOS, G. ; FULLER, B. . Isotopic differences between hair and nails in modern humans: pre-treatment inadequacy or not?. 2012. (Apresentação de Trabalho/Congresso).

  • ZHANG, DACHUN ; DRUFFEL, E. R. M. ; XU, X. ; SOUTHON, J. R. ; SANTOS, G. . Sources of Extraneous Carbon Contamination in Samples Collected by Preparative Capillary Gas Chromatography. 2012. (Apresentação de Trabalho/Congresso).

  • GAO, P. ; XU, X. ; ZHOU, Y. ; PACK, M. A. ; GRIFFIN, S. ; SANTOS, G. ; SOUTHON, JOHN ; FERGUSON, J. E. . Rapid sample preparation of Dissolved Inorganic Carbon (DIC) in natural waters using a headspace ?extraction approach for radiocarbon analysis on AMS. 2012. (Apresentação de Trabalho/Congresso).

  • FAHRNI, S. M. ; Santos G. M. ; SOUTHON, J. R. ; ADAM, Z. C. ; GRIFFIN, S. ; RUACHO, M. . Carbon blank investigation on quartz filters: A potentially critical aspect for high precision measurements of 14C in particulate organic carbon (POC). 2012. (Apresentação de Trabalho/Congresso).

  • FAHRNI, S. M. ; SANTOS, G. ; SOUTHON, JOHN ; XU, X. . Re-investigating the isotopic fractionation corrections in radiocarbon measurements. 2012. (Apresentação de Trabalho/Congresso).

  • FERGUSON, J. E. ; SOUTHON, JOHN ; SANTOS, G. ; MEYER, L. ; TRIPATI, A. . Seasonal variability in radiocarbon reservoir age due to upwelling recorded in Mytilus californianus shells. 2012. (Apresentação de Trabalho/Congresso).

  • BUSH, S. ; SANTOS, G. ; SOUTHON, JOHN ; XU, X. . Simple, rapid, and cost effective: An improved screening method for 14C analysis of small carbonate samples. 2012. (Apresentação de Trabalho/Congresso).

  • SZIDAT, S. ; BENCH, G. ; BERNARDONI, V. ; CALZOLAI, G. ; CHIARI, M. ; CZIMCZIK, C. I. ; DERENDORP, L. ; DUZEK, U. ; ELDER, K. ; FEDI, M. E. ; GENBERG, J. ; GUSTAFSSON, O. ; KIRILLOVA, E. ; MCNICHOL, A. P. ; PERRON, N. ; SANTOS, GUACIARA M. ; STENSTROM, K. ; SWIETLICKI, E. ; USHIDA, M. ; WACKER, L. ; ZHANG, Y. L. ; PREVOT, A. S. H. . Intercomparison of 14C analysis of carbonaceous aerosols. 2012. (Apresentação de Trabalho/Congresso).

  • Santos G. M. ; CORBINEAU, REMI ; REYERSON, P. ; Alexandre, H.G ; SOUTHON, J. R. . Biosilica of higher Plants: Exclusive photosynthetic origin of phytC debunked by 14C & 13C measurements of extracted phytoliths from contemporary living grasses. 2012. (Apresentação de Trabalho/Congresso).

  • SHANE, P. ; DANISIK, M. ; SCHMITT, A. ; HOGG, A. ; SANTOS, G. ; STORM, S. ; EVANS, N. ; FIFIELD, L.K ; LINDSAY, J. . U-He zircon dating of the Rotoiti eruption, New Zealand: a new approach to a classic tephrochronology problem AU. 2012. (Apresentação de Trabalho/Congresso).

  • BUSH, S. ; SANTOS, G. ; XU, X. ; SOUTHON, J. R. . Simple, rapid, and cost effective: A screening method for 14C analysis of small carbonate samples. 2012. (Apresentação de Trabalho/Congresso).

  • MACARIO, KITA ; COE, HELOISA H.G. ; GOMES, JENIFER G. ; OLIVEIRA, FABIANA ; GOMES, PAULO ROBERTO SILVEIRA ; CARVALHO, CARLA ; LINARES, ROBERTO ; ALVES, EDUARDO ; SANTOS, G. . Understanding the variations in the vegetation of Cabo Frio, Southeastern coast of Brazil, during the Quaternary. 2012. (Apresentação de Trabalho/Congresso).

  • MOUTEVA, G. O. ; JOHNSON, K. R. ; FAHRNI, S. M. ; SANTOS, G. ; CZIMCZIK, C. I. . Temporal variations in sources and concentrations of black and organic carbon aerosols in the LA Basin. 2012. (Apresentação de Trabalho/Congresso).

  • Santos G. M. . The good and the bad of small-scale 14C-AMS sample preparation and analysis by GM Santos. 2011. (Apresentação de Trabalho/Conferência ou palestra).

  • SANTOS, G. . Beyond archaeology: 14C-AMS and the global carbon cycle. 2011. (Apresentação de Trabalho/Conferência ou palestra).

  • SANTOS, G. ; CORBINEAU, R. ; WHITESIDE, MD ; TRESEDER, K. K. ; SOUTHON, J. R. ; ALEXANDRE, A. ; REYERSON, P. . Solving the 14C Phytolith Puzzle: Can carbon in phytoliths from living grasses be thousands of years old?. 2011. (Apresentação de Trabalho/Conferência ou palestra).

  • RUCKELSHAUSEN, M. ; KOWSMANN, R. ; GODOY, J.M. ; SANTOS, G. ; MANGINI, A. . Intermediate Water Δ14C off Brazil between 3-40 ka BP. 2011. (Apresentação de Trabalho/Congresso).

  • CORBINEAU, R. ; SANTOS, G. ; ALEXANDRE, ANNE ; REYERSON, P. E. . Towards 14C-AMS dating of phytoliths? A new protocol for getting pure samples of phytoliths from harvested plants. 2011. (Apresentação de Trabalho/Congresso).

  • SANTOS, G. ; SOUTHON, J. R. ; TRESEDER, K. K. . Plant, phytoliths and photosinthesis: debunking a myth. 2011. (Apresentação de Trabalho/Congresso).

  • CZIMCZIK, C. I. ; SANTOS, G. ; RANDERSON, J. T. ; CHEN, Y. . Partitioning of fire and combustion contributions to black carbon aerosols across the U.S. using radiocarbon measurements and modeling. 2011. (Apresentação de Trabalho/Congresso).

  • FERGUSON, J. E. ; JOHNSON, K. R. ; SANTOS, G. . Using archaeological shells to investigate Paleoclimate. 2011. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; DRUFFEL, E. R. M. ; TRUMBORE, SUSAN ; CZIMCZIK, C. I. ; XU, X. ; SANTOS, G. ; GRIFFIN, S. ; ZHANG, DACHUN ; BERTRAND, C. ; MAGANA, A. ; COPPOLA, A. ; FERGUSON, J. E. ; LUPASCU, M. ; BUSH, S. ; MARTINEZ DE LA TORRE, HECTOR A. ; SALEH, D. ; RUACHO, M. ; STILLS, A. ; GLYNN, D. ; HOPKINS, F. . The Keck Carbon Cycle AMS Lab ? a major ESS Facility. 2011. (Apresentação de Trabalho/Seminário).

  • CORBINEAU, R. ; SANTOS, G. ; ALEXANDRE, ANNE ; REYERSON, P. . Is 14C-AMS analysis of phytoliths a suitable tool?. 2011. (Apresentação de Trabalho/Congresso).

  • ORMSBY, K. M. ; SANTOS, G M ; FULLER, B. . Radiocarbon and Stable Isotope Results of Fingernails of Breastfed Mother-Infant Pairs to Investigate Deviation of Year-of-Birth Determinations Due to Diet.. 2011. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; ORMSBY, K. M. ; FULLER, B. . Can we blame discrepancies of year-of-birth 14C determination on Mom? Preliminary isotope results of fingernails of breastfed mother-infant pairs.. 2011. (Apresentação de Trabalho/Congresso).

  • ELLIS, ERIN E. ; INGALLS, A. E. ; MCDUFFEE, KELSEY E. ; KEIL, RICHARD G. ; SANTOS, G. ; DRUFFEL, E. R. M. . HPLC purification of higher plant-derived lignin phenols for radiocarbon dating. 2010. (Apresentação de Trabalho/Congresso).

  • FERGUSON, J. E. ; MEYER, L. ; JOHNSON, K. R. ; SANTOS, G. ; Acaylar, K . Developing radiocarbon within California mollusk shells as a proxy of upwelling intensity. 2010. (Apresentação de Trabalho/Congresso).

  • JOHNSON, K. R. ; FERGUSON, J. E. ; MEYER, L. ; Acaylar, K ; SANTOS, G. ; TRIPATI, A. . Testing Modern Controls on Seasonal 14C Variations in Seawater DIC and Mythilius Californianus Shells: The Potential for a New Upwelling Proxy. 2010. (Apresentação de Trabalho/Congresso).

  • FERGUSON, J. E. ; John R Southon ; Santos G. M. ; MEYER, L. ; Acaylar, K ; TRIPATI, A. . 14C and delta13C in Mytilus californianus shells as a proxy of upwelling intensity. 2010. (Apresentação de Trabalho/Congresso).

  • Santos G. M. ; SOUTHON, J. R. ; DRUFFEL, E. R. M. ; MONTLUCON, D. B. ; HUGHEN, K. A. ; EGLINTON, T. I. . Temporal Insights on Biomarker-Based Climate Records. 2010. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; HINGER, E. N. ; Acaylar, K ; DRUFFEL, E. R. M. ; GRIFFIN, S. ; JOHNSON, K. R. . Is DIC Δ14C Still a Useful Tracer for Observing Changes in Upwelling? Time-series of Carbon Isotopes in Surface Seawater from a Southern California Coastal Site.. 2010. (Apresentação de Trabalho/Congresso).

  • CLOSE, H. ; DRUFFEL, E. R. M. ; EGLINTON, T. I. ; SANTOS, G. ; INGALLS, A. E. ; PEARSON, A. . 14C and 13C characteristics of suspended populations in an oligotrophic water column. 2009. (Apresentação de Trabalho/Congresso).

  • MANGINI, A. ; GODOY, J.M. ; GODOY, M.L. ; KOWSMANN, R. ; SANTOS, G. ; RUCKELSHAUSEN, M. ; SCHROEDER-RITZRAU, A. ; WACKER, L. . Deep Sea Corals off Brazil Verify a Reduction of NADW Formation during H3, H1 and the YD. 2009. (Apresentação de Trabalho/Congresso).

  • BEVERLY, R. K. ; TAUZ, D. ; BEAUMONT, W. ; SHENIL, P. ; ORMSBY, M. K. ; SANTOS, G. ; SOUTHON, J. R. . The Keck Carbon Cycle Ams Laboratory, University Of California Irvine: Status Report. 2009. (Apresentação de Trabalho/Congresso).

  • DRUFFEL, E. R. M. ; ZHANG, DACHUN ; XU, X. ; ZIOLKOWSKI, L. A. ; SOUTHON, J. R. ; SANTOS, G. ; TRUMBORE, SUSAN . Compound-Specific Radiocarbon Analyses of Phospholipid Fatty Acids And Alkanes In Oceanic Sediments Using Preparative Capillary Gas Chromatographic and AMS Techniques. 2009. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; SOUTHON, J. R. . Blank assessment for ultra-small samples: chemical extraction and separation vs. AMS. 2009. (Apresentação de Trabalho/Congresso).

  • HINGER, E. N. ; SANTOS, GUACIARA M. ; DRUFFEL, E. R. M. ; GRIFFIN, S. . Carbon Isotope Measurements of Surface Seawater from a Time-Series Site off Southern California. 2008. (Apresentação de Trabalho/Congresso).

  • CLOSE, H. ; DRUFFEL, E. R. M. ; EGLINTON, T. I. ; SANTOS, G. ; INGALLS, A. E. ; PEARSON, A. . 14C and 13C characteristics of suspended populations in an oligotrophic water column. 2008. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . The Phytolith C puzzle: a tale of background determinations and accuracy tests. 2008. (Apresentação de Trabalho/Congresso).

  • KEHRWALD, N. M. ; CZIMCZIK, C. I. ; SANTOS, G M ; THOMPSON, L. ; Ziolkowski, L. . Concentration and 14C Content of Total Organic Carbon and Black Carbon in Small (< 100 ug C) Samples from Low-Latitude Alpine Ice Cores. 2008. (Apresentação de Trabalho/Congresso).

  • DRENZEK, N. J. ; HUGHEN, K. A. ; EGLINTON, T. I. ; BICE, M. ; MONTLUCON, D. B. ; DRUFFEL, E. R. M. ; SOUTHON, J. R. ; SANTOS, G. . Multi-Isotope (13C, 14C, D/H) Insights into Abrupt Climate Shifts in the Tropical Atlantic Basin. 2007. (Apresentação de Trabalho/Congresso).

  • DRENZEK, N. J. ; EGLINTON, T. I. ; HUGHEN, K. A. ; MONTLUCON, D. B. ; DRUFFEL, E. R. M. ; SOUTHON, J. R. ; SANTOS, G. ; POUSSART, P. ; SCHEFUSS, E. ; DICKENS, AF . Temporal Dynamics of Terrestrial Organic Matter Transfer to the Ocean. 2007. (Apresentação de Trabalho/Congresso).

  • SANTOS, GUACIARA . 14C-AMS as a tool for archaeological investigation: Implications for Human Settlement in South America. 2006. (Apresentação de Trabalho/Conferência ou palestra).

  • Walsh EM ; INGALLS, A. E. ; KEIL, RICHARD G. ; SANTOS, GUACIARA M. ; DRUFFEL, E. R. M. . Microbial membrane lipids as tracers for terrestrial organic carbon in coastal sediments. 2006. (Apresentação de Trabalho/Conferência ou palestra).

  • SOUTHON, J. R. ; SANTOS, GUACIARA . Improving MC-SNICS: recent ion source development at the Keck Carbon Cycle AMS Facility. 2006. (Apresentação de Trabalho/Congresso).

  • SHAH, S. R. ; INGALLS, A. E. ; HANSMAN, R. L. ; ALUWIHARE, L. I. ; SANTOS, GUACIARA M. ; DRUFFEL, E. R. M. ; PEARSON, A. . Quantifying Archaeal Community Autotrophy in the Mesopelagic Ocean Using Natural Radiocarbon. 2006. (Apresentação de Trabalho/Congresso).

  • EGLINTON, T. I. ; DRENZEK, N. J. ; DICKENS, AF ; POUSSART, P. ; SCHEFUSS, E. ; MONTLUCON, D. B. ; DRUFFEL, E. R. M. ; SOUTHON, J. R. ; SANTOS, GUACIARA M. ; HUGHEN, K. A. . Temporal constraints on the transfer of particulate organic carbon from the continents to the oceans. 2006. (Apresentação de Trabalho/Congresso).

  • HINGER, E. N. ; SANTOS, G. ; GRIFFIN, S. ; DRUFFEL, E. R. M. . ∆14C of DIC in Surface Seawater from a Time-Series Site off Southern California. 2006. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . Technical progress in AMS 14C-AMS sample preparation at the KCCAMS Faclitity: Status report and performance of small samples. 2006. (Apresentação de Trabalho/Congresso).

  • PEARSON, A. ; INGALLS, A. E. ; SHAH, S. R. ; HANSMAN, R. L. ; ALUWIHARE, L. I. ; SANTOS, GUACIARA M. ; GRIFFIN, S. ; DRUFFEL, ELLEN R. M. . Exploring the minimum sample size limit for CSRA: Lessons from Water column. 2005. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. . Life with MC-SNICS Part II: recent ion source development at the Keck Carbon Cycle AMS Facility. 2005. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. ; DRUFFEL, E. R. M. ; GRIFFIN, S. ; TRUMBORE, SUSAN ; XU, X. . High throughput, high precision 14C AMS with a small accelerator.. 2005. (Apresentação de Trabalho/Simpósio).

  • INGALLS, A. E. ; PEARSON, A. ; SHAH, S. R. ; HANSMAN, R. L. ; ALUWIHARE, L. I. ; SANTOS, GUACIARA M. ; GRIFFIN, S. ; DRUFFEL, E. R. M. . Archaeal metabolisms in the ?Twilight Zone.?. 2005. (Apresentação de Trabalho/Conferência ou palestra).

  • SANTOS, G M ; MAZON, M. ; RIFAI, S. ; SOUTHON, JOHN ; MOORE, R. . Evaluation of iron and cobalt powder brands as suitable catalysts for 14C-AMS target preparation.. 2005. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; SOUTHON, J. R. ; GRIFFIN, S. ; BEAUPRE, S.R. ; DRUFFEL, E. R. M. . Ultra small-mass 14C-AMS sample preparation and analysis at the KCCAMS Faclitity. 2005. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. . Ontario Life with MC-SNICS: ion source development at the Keck Carbon Cycle AMS facility, University of California, Irvine.. 2004. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. . Developments and improvements of the MC-SNICS source, funded by USA NSF. 2003. (Apresentação de Trabalho/Outra).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. . Ion source development at the KCCAMS Facility, University of California, Irvine. 2003. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. . The Keck Carbon Cycle AMS Laboratory, University of California, Irvine: two installations, initial operation, and a background surprise. 2003. (Apresentação de Trabalho/Congresso).

  • DRUFFEL, E. R. M. ; GRIFFIN, S. ; HWANG, J. ; KOMADA, T. ; BEAUPRE, S.R. ; DRUFFEL-RODRIGUEZ, K. ; SANTOS, GUACIARA M. ; SOUTHON, J. R. . Radiocarbon measurements in monthly coral bands during the 1760s from the Eastern equatorial Pacific Ocean: Ventilation chamges in the upper ocean annual and longer timescales. 2003. (Apresentação de Trabalho/Congresso).

  • GOMES, P R S ; SANTOS, G M . Applications of AMS 14C measurements in environmental and economic problems. 2003. (Apresentação de Trabalho/Congresso).

  • SOUTHON, J. R. ; SANTOS, GUACIARA M. ; DRUFFEL, E. R. M. ; TRUMBORE, SUSAN ; XU, X. . Initial Operation of the Keck Carbon Cycle AMS Laboratory, University of California, Irvine.. 2002. (Apresentação de Trabalho/Congresso).

  • FERRAZ, K. C. ; MARQUES JR., A. N. ; RODRIGUEZ, E. G. ; SANTOS, GUACIARA M. ; TIMS, S.G ; FIFIELD, L.K ; GOMES, PAULO R.S. . Use of Radioactive and Stable Carbon Isotopes to Assess the Coastal Upwelling Contribution of Arraial do Cabo (Cabo Frio) ? Brazil. 2002. (Apresentação de Trabalho/Congresso).

  • BARBOSA, J.A ; CORDEIRO, R.C ; SILVA, E.V ; TURCQ, B ; SANTOS, GUACIARA M. ; GOMES, P.R.S ; SIFEDINNE, A ; ALBUQUERQUE, A.L.S ; LACERDA, L. D. ; HAUSLADEN, P.A ; TIMS, S.G ; FIFIELD, L.K ; LEVCHENKO, V.A . 14 C AMS as a Tool for the Investigation of Mercury Deposition at Remote Amazon Region. 2002. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . Radiocarbon Dating Using an ABOX-SC (acid-base-wet oxidation pretreatment with stepped combustion) Procedure, as an Alternative Chemical Pre-treatment and Some Applications. 2001. (Apresentação de Trabalho/Congresso).

  • FIFIELD, L.K ; BIRD, M.I ; TURNEY, C. S. M. ; HAUSLADEN, P.A ; SANTOS, GUACIARA M. ; DI TADA, M. L. . Radiocarbon Dating of Ancient Sites in Australia Revisited. 2000. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . Cronology of Atmospheric Mercury Deposition in the Amazon Region Brazil. 2000. (Apresentação de Trabalho/Congresso).

  • SANTOS, GUACIARA M . Radiocarbon Dating of Rotoehu Tephra, New Zealand. 2000. (Apresentação de Trabalho/Congresso).

  • DECKKER, P. ; SANTOS, G M . The Indian Ocean Sector of the Warm Pool; Two Modes of Operation During the Last 40,000 years. 2000. (Apresentação de Trabalho/Congresso).

  • DECKKER, P. ; SANTOS, G M . Palaeoenvironmental Change on Land and at Sea in the Vicinity of Cape Range of Western Australia - 50,000 years Record un Ravelled using Numerous Proxies on Deep-sea Core. 2000. (Apresentação de Trabalho/Congresso).

  • FIFIELD, L.K ; SANTOS, G M . Cronologies from Accelerator Mass Spectrometry. 2000. (Apresentação de Trabalho/Congresso).

  • CORDEIRO, R.C ; SANTOS, G M . Datações em Amostras de Carvões de Solo de Floresta de Terra Firme da Amazônia Central. 1999. (Apresentação de Trabalho/Congresso).

  • LIGUORI NETO, R ; SANTOS, G M . Status and Plans for the Brazilian AMS Program,. 1999. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; GOMES, P R S . The Brazilian Bragg Curve Detector Built for AMS Studies. 1999. (Apresentação de Trabalho/Congresso).

  • CORDEIRO, R.C ; SANTOS, G M ; GOMES, P R S . 14C AMS Dating of Fires in the Central Amazon Rain Forest. 1999. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M ; GOMES, P R S . Accelerator Mass Spectrometry: Implementation of the Technique in Brazil and Application on Environmental Studies in Central Amazon Fores. 1999. (Apresentação de Trabalho/Congresso).

  • SANTOS, GUACIARA M ; GOMES, P R S . Application of Accelerator Mass Spectrometry on Environmental Studies concerning Ages of Holocene Fires in Central Amazon Forest. 1999. (Apresentação de Trabalho/Congresso).

  • LIGUORI NETO, R ; SANTOS, G M . AMS no Laboratório Pelletron: Desenvolvimento e Testes. 1998. (Apresentação de Trabalho/Congresso).

  • MACIEL, A M M ; SANTOS, G M . Espalhamento Elástico do 6,7Li + 138Ba a Energia Próxima a Barreira Coulombiana. 1998. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . Results of a Bragg Detector Built for the AMS Program. 1997. (Apresentação de Trabalho/Congresso).

  • ACQUADRO, J. C. ; SANTOS, GUACIARA M. . Brazilian Accelerator Mass Spectrometry Program. 1996. (Apresentação de Trabalho/Congresso).

  • ACQUADRO, J. C. ; SANTOS, GUACIARA M. . Resultados Recentes do Programa Brasileiro de AMS. 1996. (Apresentação de Trabalho/Congresso).

  • MURI, C. ; SANTOS, GUACIARA M. . Espalhamento Elástico, Inelástico e Fusão do Sistema 14N + 59Co, C.. 1996. (Apresentação de Trabalho/Congresso).

  • ZERWEKH, A. ; SANTOS, GUACIARA M. . Elastic Scattering of 27Al + 27Al at near Barrier Energies. 1996. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . O Estudo do Estado Eletrônico Fundamental X1Σg+ and (1)1Πg da Molécula de Na2, pela Técnica de Espectroscopia Transformada de Fourier Associada a Fluorescência Induzida. 1995. (Apresentação de Trabalho/Congresso).

  • SANTOS, G M . Análise dos Estados Eletrônicos X1Σg+ and (1)1Πg da Molécula de Na2 na Região de Longo Alcance. 1995. (Apresentação de Trabalho/Congresso).

  • SANTOS, G. M. ; The Brazilian Bragg Detector. Canberra: Accelerator Mass Spectrometry Program - Department of Nuclear Physics (ANU), 1998 (Internal Research Report).

Seção coletada automaticamente pelo Escavador

Outras produções

Guaciara dos Santos . The use of Radiocarbon in Ecology and Earth System Science. 2016. (Curso de curta duração ministrado/Outra).

Seção coletada automaticamente pelo Escavador

Projetos de pesquisa

  • 2013 - 2015

    Revealing the source of carbon occluded in phytoliths (phytC): potential implication concerning the role of plant Si cycling on carbon cycling, Situação: Concluído; Natureza: Pesquisa. , Integrantes: Guaciara dos Santos Winston - Integrante / ALEXANDRE, A. - Coordenador.

  • 2012 - 2016

    Is carbon biosequestration by plants feasible? Revealing the source of carbon embedded in phytoliths by using isotope analyses (13C and 14C measurements) and nanoparticles, Situação: Concluído; Natureza: Pesquisa. , Integrantes: Guaciara dos Santos Winston - Coordenador / Katheleen Tresseder - Integrante.

Histórico profissional

Seção coletada automaticamente pelo Escavador

Endereço profissional

  • University of California Irvine. , Earth System Science, Irvine, 92697 - Irvine, - Estados Unidos - Caixa-postal: 92697, Telefone: (1949) 8243674, URL da Homepage:

Seção coletada automaticamente pelo Escavador

Experiência profissional

  • 2013 - 2015

    University of California

    Vínculo: , Enquadramento Funcional:

  • 1999 - 2001

    Australian National University

    Vínculo: Colaborador Pesquisador, Enquadramento Funcional: Visitante, Regime: Dedicação exclusiva.

    Outras informações:
    Conclui o meu pos-doc, com bolsa fornecida pelo CNPq em maio de 2001. Continuo a atuar como colaborador/visitante da Australian National University junto ao grupo de AMS dessa Instituicao. Estarei nessa funcao ate novembro de 2001. Estou desenvolvendo projetos em colaboracao com grupos brasileiros das areas de biologia, arqueologia, geologia e estudos ambientais.

  • 2014 - Atual

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Pesquisador IV

  • 2002 - Atual

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Coordenadora do laboratório KCCAMS/UCI

  • 2011 - 2014

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Pesquisador III

  • 2008 - 2011

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Pesquisador II

  • 2006 - 2008

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Especialista I

  • 2004 - 2006

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Especialista associado III

  • 2002 - 2004

    University Of California Irvine

    Vínculo: Celetista, Enquadramento Funcional: Especialista associado I

    Atividades

    • 01/2014

      Pesquisa e desenvolvimento , University of California, .,Linhas de pesquisa

    • 01/2014

      Pesquisa e desenvolvimento , University of California, .,Linhas de pesquisa

    • 01/2002

      Pesquisa e desenvolvimento , University of California, .,Linhas de pesquisa

    • 01/2002

      Pesquisa e desenvolvimento , University of California, .,Linhas de pesquisa