Georgia Papaefthymiou

Possui doutorado em Física pela Columbia University(1974) e pós-doutorado pela Massachusetts Institute of Technology(1976). Atualmente é Revisor de periódico da Physical Review Letters (Print), Revisor de periódico da Physical Review. B, Condensed Matter and Materials Physics, Revisor de periódico da Biomacromolecules, Revisor de periódico da Journal of Magnetic Resonance (San Diego, Calif. 1997: Print), Revisor de periódico da Journal of Magnetism and Magnetic Materials, Revisor de periódico da Journal of Physics and Chemistry of Solids, Professor Titular da Villanova University e Visiting Professor da National Center for Scientific Research Demokritos. Tem experiência na área de Física, com ênfase em Física da Matéria Condensada.

Informações coletadas do Lattes em 10/11/2022

Acadêmico

Formação acadêmica

Doutorado em Física

1970 - 1974

Columbia University
Título: Nuclear Physics
Orientador: Chien - Shiung Wu

Pós-doutorado

1974 - 1976

Pós-Doutorado. , Massachusetts Institute of Technology. , Grande área: Ciências Exatas e da Terra / Área: Física / Subárea: Física da Matéria Condensada. , Grande Área: Ciências Exatas e da Terra / Área: Física / Subárea: Física da Matéria Condensada / Especialidade: Materiais Magnéticos e Propriedades Magnéticas.

Idiomas

Bandeira representando o idioma Inglês

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

Bandeira representando o idioma Francês

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

Grego

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

Áreas de atuação

Grande área: Ciências Exatas e da Terra / Área: Física / Subárea: Física da Matéria Condensada.

Participação em eventos

Nanomaterials for Biomedical Technologies. MIcromagnetic Characterization of Functionalized Iron Oxide Nanoparticles and their Assemblies. 2012. (Congresso).

APS March 2012 Meeting.Spin Dynamics in Recombinant H-Chain Ferritin reconstituted with 500Fe/protein. 2012. (Encontro).

Materials Research Society Symposium.Enhancing the multiferroic properties of BiFeO3 at the nanoscale. 2011. (Simpósio).

international Symposium for the Industrial Applications of the Mössbauer Effect.Gummic acid stabilized gamma Fe2O3 aqueous suspensions for biomedical applications. 2008. (Simpósio).

Micro-nanotechnoloy and nanobiotechnology. Principles of biomimetics in core nanotechnologies. 2007. (Congresso).

6th International Conference on Fine Particle Magnetism. New Trends in Nanoparticle Magnetism. Single Crystalline gamma-Fe2O3/SiO2 core/shell nanoarchitectures. 2007. (Congresso).

4th International Workshop on Nanosciences and Nanotechnologies. Monodispersed, Single Crystalline γ-Fe2O3/SiO2 Architectures for Nano-Biotechnology. 2007. (Congresso).

Materials Research Society Symposium.Electronic and Magnetic Characterization of in vivo Produced vs. in vitro Reconstituted Horse Spleen Ferritin. 2007. (Simpósio).

Produções bibliográficas

  • Papaefthymiou, Georgia C. ; Tamil Selvan, Subramanian ; Ying, Jackie Y. . Seed-mediated synthesis, properties and application of -Fe2O3 CdSe magnetic quantum dots. Journal of Solid State Chemistry (Print) , v. 184, p. 2150-2158, 2011.

  • PAPAEFTHYMIOU, G. . The Mössbauer and magnetic properties of ferritin cores. Biochimica et Biophysica Acta. G, General Subjects (Print) , v. 1800, p. 886-897, 2010.

  • Park, Tae-Jin ; Papaefthymiou, Georgia ; Viescas, Arthur ; Lee, Yongjae ; Zhou, Hongjun ; Wong, Stanislaus . Composition-dependent magnetic properties of BiFeO_{3}-BaTiO_{3} solid solution nanostructures. Physical Review. B, Condensed Matter and Materials Physics , v. 82, p. 024431, 2010.

  • Patra, Ashis K. ; Dube, Koustubh S. ; Papaefthymiou, Georgia C. ; Conradie, Jeanet ; Ghosh, Abhik ; Harrop, Todd C. . Stable Eight-Coordinate Iron(III/II) Complexes. Inorganic Chemistry , v. 49, p. 2032-2034, 2010.

  • Papaefthymiou, Georgia C. . Nanoparticle magnetism. Nano Today , v. 4, p. 438-447, 2009.

  • Papaefthymiou, Georgia ; Devlin, Eamonn ; Simopoulos, Athanassios ; Yi, Dong ; Riduan, Siti ; Lee, Su ; Ying, Jackie . Interparticle interactions in magnetic core/shell nanoarchitectures. Physical Review. B, Condensed Matter and Materials Physics , v. 80, p. 024406, 2009.

  • Ang, Chung Yen ; Giam, Louise ; Chan, Zheng Ming ; Lin, Alex W. H. ; Gu, Hongwei ; Devlin, Eamonn ; Papaefthymiou, Georgia C. ; Selvan, Subramanian Tamil ; Ying, Jackie Y. . Facile Synthesis of Fe O Nanocrystals without Fe(CO) Precursor and One-Pot Synthesis of Highly Fluorescent Fe O -CdSe Nanocomposites. Advanced Materials (Weinheim Print) , v. 21, p. 869-873, 2009.

  • Papaefthymiou, G. C. ; Rabias, I. ; Fardis, M. ; Devlin, E. ; Boukos, N. ; Tsitrouli, D. ; Papavassiliou, G. . Gummic acid stabilized -Fe2O3 aqueous suspensions for biomedical applications. Hyperfine Interactions , v. 190, p. 59-66, 2009.

  • Jiang, Jiang ; Gu, Hongwei ; Shao, Huilin ; Devlin, Eamonn ; Papaefthymiou, Georgia C. ; Ying, Jackie Y. . Bifunctional Fe O -Ag Heterodimer Nanoparticles for Two-Photon Fluorescence Imaging and Magnetic Manipulation. Advanced Materials (Weinheim Print) , v. 20, p. 4403-4407, 2008.

  • Bou-Abdallah, Fadi ; Carney, Elissa ; Chasteen, N. Dennis ; Arosio, Paolo ; Viescas, Arthur J. ; Papaefthymiou, Georgia C. . A comparative Mössbauer study of the mineral cores of human H-chain ferritin employing dioxygen and hydrogen peroxide as iron oxidants. Biophysical Chemistry (Print) , v. 130, p. 114-121, 2007.

  • Papaefthymiou, G. C. ; Redl, F. X. ; Black, C. T. ; Sandstrom, R. L. ; Yin, M. ; Murray, C. B. ; O Brien, S. P. . Hybrid magnetic nanoparticles derived from wüstite disproportionation reactions at the nanoscale. Hyperfine Interactions , v. 165, p. 239-245, 2007.

  • Papaefthymiou, G. C. ; Viescas, A. J. ; Horn, R. ; Carney, E. ; Zhao, G. ; Chasteen, N. D. ; Lee, J. ; Gorun, S. M. . Deuterium isotope effects on iron core formation in ferritin. Hyperfine Interactions , v. 165, p. 333-338, 2007.

  • Yi, Dong Kee ; Lee, Su Seong ; Papaefthymiou, Georgia C. ; Ying, Jackie Y. . Nanoparticle Architectures Templated by SiO /Fe O Nanocomposites. Chemistry of Materials , v. 18, p. 614-619, 2006.

  • Yi, Dong Kee ; Selvan, S. Tamil ; Lee, Su Seong ; Papaefthymiou, Georgia C. ; Kundaliya, Darshan ; Ying, Jackie Y. . Silica-Coated Nanocomposites of Magnetic Nanoparticles and Quantum Dots. Journal of the American Chemical Society (Print) , v. 127, p. 4990-4991, 2005.

  • Park, Tae-Jin ; Papaefthymiou, Georgia C. ; Moodenbaugh, Arnold R. ; Mao, Yuanbing ; Wong, Stanislaus S. . Synthesis and characterization of submicron single-crystalline Bi2Fe4O9 cubes. Journal of Materials Chemistry (Print) , v. 15, p. 2099, 2005.

  • Papaefthymiou, Georgia C. . Nanometer size clusters and particles: a comparative study of magnetic behavior. Journal of Magnetism and Magnetic Materials , v. 272-276, p. E1227-E1229, 2004.

  • Ahmed, Sufi R. ; Ogale, S. B. ; Papaefthymiou, Georgia C. ; Ramesh, Ramamoorthy ; Kofinas, Peter . Magnetic properties of CoFe[sub 2]O[sub 4] nanoparticles synthesized through a block copolymer nanoreactor route. Applied Physics Letters , v. 80, p. 1616, 2002.

  • Lee, Jaeho ; Chasteen, N. Dennis ; Zhao, Guanghua ; Papaefthymiou, Georgia C. ; Gorun, Sergiu M. . Deuterium Structural Effects in Inorganic and Bioinorganic Aggregates. Journal of the American Chemical Society (Print) , v. 124, p. 3042-3049, 2002.

  • Papaefthymiou, Georgia C. ; Bryden, Kenneth J. ; Ying, Jackie Y. . Mössbauer spectral characteristics of nanostructured Pd Fe films. Physica. B, Condensed Matter (Print) , v. 311, p. 279-284, 2002.

  • Zhang, Lei ; Papaefthymiou, Georgia C. ; Ying, Jackie Y. . Synthesis and Properties of -Fe O Nanoclusters within Mesoporous Aluminosilicate Matrices. Journal of Physical Chemistry. B , v. 105, p. 7414-7423, 2001.

  • Papaefthymiou, Georgia C. . Nanometer‐sized molecular complexes. Hyperfine Interactions , v. 113, p. 357-367, 1998.

  • Sohn, B.H. ; Cohen, R.E. ; Papaefthymiou, G.C. . Magnetic properties of iron oxide nanoclusters within microdomains of block copolymers. Journal of Magnetism and Magnetic Materials , v. 182, p. 216-224, 1998.

  • Zhang, Lei ; Papaefthymiou, Georgia C. ; Ziolo, Ronald F. ; Ying, Jackie Y. . Novel -Fe2O3/SiO2 magnetic nanocomposites via sol-gel matrix-mediated synthesis. Nanostructured Materials , v. 9, p. 185-188, 1997.

  • Caneschi, Andrea ; Cornia, Andrea ; Lippard, Stephen J. ; Papaefthymiou, Georgia C. ; Sessoli, Roberta . Magnetic properties of dodecanuclear mixed valence iron clusters. Inorganica Chimica Acta (Testo stampato) , v. 243, p. 295-304, 1996.

  • Mohie-Eldin, M. -E. Y. ; Frankel, R. B. ; Gunther, L. ; Papaefthymiou, G. C. . The anomalous Mössbauer fraction of ferritin and polysaccharide iron complex (PIC). Hyperfine Interactions , v. 96, p. 111-138, 1995.

  • Giaquinta, D.M. ; Papaefthymiou, G.C. ; zur Loye, H.-C. . Structural and Magnetic Studies of Bi2Fe4-xAlxO9. Journal of Solid State Chemistry (Print) , v. 114, p. 199-205, 1995.

  • Micklitz, Wolfgang ; McKee, Vickie ; Rardin, R. Lynn ; Pence, Laura E. ; Papaefthymiou, Georgia C. ; Bott, Simon G. ; Lippard, Stephen J. . Polyiron Oxo Chemistry at the Molecular/Solid-State Boundary: Synthesis, Structure, and Magnetic and Moessbauer Properties of [Fe16MO10(OH)10(O2CPh)20] Complexes, M = Mn, Fe, or Co. Journal of the American Chemical Society (Print) , v. 116, p. 8061-8069, 1994.

  • Taft, Kingsley L. ; Papaefthymiou, Georgia C. ; Lippard, Stephen J. . Synthesis, Structure, and Electronic Properties of a Mixed-Valent Dodecairon Oxo Complex, a Model for the Biomineralization of Ferritin. Inorganic Chemistry , v. 33, p. 1510-1520, 1994.

  • Prasanna, T. ; O Handley, R. ; Kalongji, G. ; PAPAEFTHYMIOU, G. . Fe-Gd magnetic interactions in GdBa2Cu2.7Fe0.3O7- . Physical Review. B, Condensed Matter. (Cessou 1997. Cont. 1098-0121 Physical Review. B, Condensed Matter and Materials Physics) , v. 47, p. 3374-3379, 1993.

  • Taft, K. ; PAPAEFTHYMIOU, G. ; Lippard, S. . A mixed-valent polyiron oxo complex that models the biomineralization of the ferritin core. Science (New York, N.Y.) , v. 259, p. 1302-1305, 1993.

  • Papaefthymiou, Georgia . Nanometer-sized structures and the transition from the molecular to the solid state. Physical Review. B, Condensed Matter. (Cessou 1997. Cont. 1098-0121 Physical Review. B, Condensed Matter and Materials Physics) , v. 46, p. 10366-10375, 1992.

  • Watt, Gerald D. ; Frankel, Richard B. ; Jacobs, Deloria ; Huang, Heqing ; Papaefthymiou, Georgia C. . Iron(2+) and phosphate interactions in bacterial ferritin from Azotobacter vinelandii. Biochemistry (Easton) , v. 31, p. 5672-5679, 1992.

  • Giaquinta, D.M. ; Papaefthymiou, G.C. ; Davis, W.M. ; zur Loye, H.-C. . Synthesis, structure, and magnetic properties of the layered bismuth transition metal oxide solid solution Bi2Fe4 xGaxO9. Journal of Solid State Chemistry (Print) , v. 99, p. 120-133, 1992.

  • Frankel, Richard B. ; Papaefthymiou, Georgia C. ; Watt, Gerald D. . Variation of superparamagnetic properties with iron loading in mammalian ferritin. Hyperfine Interactions , v. 66, p. 71-82, 1991.

  • Snyder, B.S. ; Reynolds, M.S. ; Holm, R.H. ; Papaefthymiou, G.C. ; Frankel, R.B. . Electronic properties of monocapped prismane and basket iron-sulphur clusters. Polyhedron , v. 10, p. 203-213, 1991.

  • Yu, Shi Bao. ; Papaefthymiou, G. C. ; Holm, R. H. . Comprehensive iron-selenium-thiolate cluster chemistry. Inorganic Chemistry , v. 30, p. 3476-3485, 1991.

  • Thorp, H. Holden. ; Sarneski, Joseph E. ; Kulawiec, Robert J. ; Brudvig, Gary W. ; Crabtree, Robert H. ; Papaefthymiou, G. C. . Physical properties of a manganese tetramer with all-oxygen coordination. Inorganic Chemistry , v. 30, p. 1153-1155, 1991.

  • Teillet, J. ; Papaefthymiou, G.C. ; Hauet, A. ; Nguyen, N. ; Retoux, R. . Mössbauer study of Bi2Sr4Fe3O12+ isostructural with 2223 superconductor. Physica. C, Superconductivity (Print) , v. 170, p. 65-70, 1990.

  • Laggoun, A. ; Teillet, J. ; Lassri, H. ; Krishnan, R. ; Papaefthymiou, G.C. . Mössbauer study of amorphous Fe-Er-B-Si ribbons. Solid State Communications , v. 71, p. 79-83, 1989.

  • Ciurli, Stefano ; Carney, Michael J. ; Holm, R. H. ; Papaefthymiou, G. C. . Stability range of heterometal cubane-type clusters MFe3S4: assembly of double-cubane clusters with the rhenium-iron-sulfur [[ReFe3S4]] core. Inorganic Chemistry , v. 28, p. 2696-2698, 1989.

  • Jacobs, D. L. ; Watt, G. D. ; Frankel, R. B. ; Papaefthymiou, G. C. . Redox reactions associated with iron release from mammalian ferritin. Biochemistry (Easton) , v. 28, p. 1650-1655, 1989.

  • Rohrer, J. S. ; Frankel, R. B. ; Papaefthymiou, G. C. ; Theil, Elizabeth C. . Protein coats of ferritin can sequester large amounts of ferrous iron. Inorganic Chemistry , v. 28, p. 3393-3395, 1989.

  • Jacobs, D. ; Watt, G. D. ; Frankel, R. B. ; Papaefthymiou, G. C. . Iron(+2) binding to apo and holo mammalian ferritin. Biochemistry (Easton) , v. 28, p. 9216-9221, 1989.

  • Carney, M. J. ; Papaefthymiou, G. C. ; Frankel, R. B. ; Holm, Richard H. . Alternative spin states in synthetic analogs of biological iron-sulfur [4Fe-4S]+ clusters: further cases of variable ground states and the structure of (Et4N)3[Fe4S4(S-o-C6H4S-tert-Bu)4], containing a reduced cluster with a compressed tetragonal distortion. Inorganic Chemistry , v. 28, p. 1497-1503, 1989.

  • Eibschu tz, M. ; Lines, M. E. ; Chen, H. S. ; Waszczak, J. V. ; PAPAEFTHYMIOU, G. ; Frankel, R. B. . Substitutional site preference in a quasicrystal. Journal of Applied Physics , v. 63, p. 4063, 1988.

  • Schlinger, Charles M. ; Griscom, David ; Papaefthymiou, Georgia C. ; Veblen, David R. . The Nature of Magnetic Single Domains in Volcanic Glasses of the KBS Tuff. Journal of Geophysical Research , v. 93, p. 9137-9156, 1988.

  • Eibschütz, M. ; Lines, M. ; Chen, H. ; Waszczak, J. ; PAPAEFTHYMIOU, G. ; Frankel, R. . Observation of Substitutional Site Preference in a Quasicrystal and Implication on Local Structure. Physical Review Letters (Print) , v. 59, p. 2443-2446, 1987.

  • Frankel, R. B. ; Papaefthymiou, G. C. ; Watt, G. D. . Binding of Fe2+ by mammalian ferritin. Hyperfine Interactions , v. 33, p. 233-240, 1987.

  • Watt, G. D. ; Frankel, R. B. ; Papaefthymiou, G. C. ; Spartalian, K. ; Stiefel, E. I. . Redox properties and Moessbauer spectroscopy of Azotobacter vinelandii bacterioferritin. Biochemistry (Easton) , v. 25, p. 4330-4336, 1986.

  • Ofer, S. ; Nowik, I. ; Bauminger, E.R. ; Papaefthymiou, G.C. ; Frankel, R.B. ; Blakemore, R.P. . Magnetosome dynamics in magnetotactic bacteria. Biophysical Journal (Print) , v. 46, p. 57-64, 1984.

  • Frankel, Richard B. ; Papaefthymiou, Georgia C. ; Blakemore, Richard P. ; O'Brien, Wendy . Fe3O4 precipitation in magnetotactic bacteria. Biochimica et Biophysica Acta. Molecular Cell Research , v. 763, p. 147-159, 1983.

  • Stephan, D. W. ; Papaefthymiou, G. C. ; Frankel, R. B. ; Holm, R. H. . Analogs of the [4Fe-4S]+ sites of reduced ferredoxins: structural and spectroscopic properties of [(C2H5)4N]3[Fe4S4(S-p-C6H4Br)4] in crystalline and solution phases. Inorganic Chemistry , v. 22, p. 1550-1557, 1983.

  • Sichel, E. ; Rubner, M. ; Georger, J. ; PAPAEFTHYMIOU, G. ; Ofer, S. ; Frankel, R. . Magnetic phase transition, aggregate formation, and electrical conductivity in FeCl_{3}-doped polyacetylene. Physical Review. B, Condensed Matter. (Cessou 1997. Cont. 1098-0121 Physical Review. B, Condensed Matter and Materials Physics) , v. 28, p. 6589-6591, 1983.

  • Fourquet, J.L. ; de Pape, R. ; Teillet, J. ; Varret, F. ; Papaefthymiou, G.C. . Magnetic and Mössbauer resonance studies of the new one-dimensional antiferromagnet -Rb2FeF5 H2O. Journal of Magnetism and Magnetic Materials , v. 27, p. 209-214, 1982.

  • Burch, T.J. ; Weiler, C.A. ; Raj, K. ; Budnick, J.I. ; Niculescu, V. ; Papaefthymiou, G.C. ; Frankel, R.B. . Fe hyperfine fields in Fe3-xVxSi alloys. Journal of Magnetism and Magnetic Materials , v. 27, p. 55-60, 1982.

  • Niculescu, V. ; Hines, W. ; Budnick, J. ; Perkins, J. ; PAPAEFTHYMIOU, G. ; Burch, T. . Local-environment model for the hyperfine interactions in Fe_{3-x}Ni_{x}Si. Physical Review. B, Condensed Matter. (Cessou 1997. Cont. 1098-0121 Physical Review. B, Condensed Matter and Materials Physics) , v. 23, p. 2388-2396, 1981.

  • OFER, S ; PAPAEFTHYMIOU, G ; FRANKEL, R ; LOWENSTAM, H . Mössbauer spectroscopy of iron-containing dermal granules from Molpadia intermedia. Biochimica et Biophysica Acta. G, General Subjects (Print) , v. 676, p. 199-204, 1981.

  • Kaufman, K.S. ; Papaefthymiou, G.C. ; Frankel, R.B. ; Rosenthal, A. . Nature of iron deposits on the cardiac walls in -thalassemia by Mössbauer spectroscopy. Biochimica et Biophysica Acta. G, General Subjects (Print) , v. 629, p. 522-529, 1980.

  • Papaefthymiou, G. C. ; Kaufman, K. S. ; Frankel, R. B. ; Rosenthal, A. . Abstract: Mo ssbauer spectroscopy of iron deposits in thalassemic heart tissue. Journal of Applied Physics , v. 49, p. 1815, 1978.

Histórico profissional

Endereço profissional

  • Villanova University. , 800 E. Lancaster Avenue, 19085 - Villanova, - Estados Unidos, Telefone: (610) 5194883

Experiência profissional

1999 - 2004

Villanova University

Vínculo: Servidor Público, Enquadramento Funcional: Assistant Professor, Regime: Dedicação exclusiva.

Atividades

  • Pesquisa e desenvolvimento , Department of Physics, .,Linhas de pesquisa

  • Ensino, Física, Nível: Graduação,Disciplinas ministradas, Experimental Methods II, Engineering Physics I, Planet Earth II Lab, General Physics I & II, Eletrodynamics I & II

2006 - 2008

National Center for Scientific Research Demokritos

Vínculo: Servidor Público, Enquadramento Funcional: Marie Curie Chair

1976 - 1987

Massachusetts Institute Of Technology

Vínculo: Servidor Público, Enquadramento Funcional: Research Staff Scientist

Atividades

  • Direção e administração, Francis Bitter National Magnet Laboratory, .,Cargo ou função, Cargo administrativo.

  • Pesquisa e desenvolvimento , Francis Bitter National Magnet Laboratory, .,Linhas de pesquisa

1997 - 1997

Centro Brasileiro de Pesquisas Físicas

Vínculo: Professor vistante, Enquadramento Funcional: não enquadrado

1994 - 1995

Clark University

Vínculo: Servidor Público, Enquadramento Funcional: Adjuntc Professor

1982 - 1982

Hebrew University Of Jerusalem

Vínculo: Servidor Público, Enquadramento Funcional: Visiting Scientist

1976 - 1980

Wellesley College

Vínculo: Servidor Público, Enquadramento Funcional: Adjunct Professor