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Book chapters
K8. Pósfai, M., Kasama, T. and Dunin-Borkowski, R. (2013) Biominerals at the nanoscale: transmission electron microscopy methods for studying the special properties of biominerals. In Minerals at the Nanoscale. European Mineralogical Union Notes in Mineralogy, Vol. 14, F. Nieto and K. Livi eds., European Mineralogical Union and the Mineralogical Society of Great Britain & Ireland, London, 375-433.
K7. Pósfai, M. and Molnár, Á. (2013) Atmospheric aerosol particles: A mineralogical introduction. In Environmental Mineralogy II. European Mineralogical Union Notes in Mineralogy, Vol. 13, D. Vaughan and R. Wogelius eds., European Mineralogical Union and the Mineralogical Society of Great Britain & Ireland, London, 213-293.
K6. Pósfai, M. (2011) Magnetotactic bacteria. In Encyclopedia of Geobiology, J. Reitner and V. Thiel, eds., Springer, Berlin Heidelberg New York, ISBN: 978-1-4020-9211-4, (928 pp.), 537-541.
K5. Frankel, R.B., Dunin-Borkowski, R.E., Pósfai, M. and Bazylinski, D.A. (2007) Magnetic microstructure of magnetotactic bacteria. In Handbook of Biomineralization, E. Baeuerlein ed., Wiley-VCH, Weinheim, 127-144.
K4. Pósfai, M., Kasama, T. and Dunin-Borkowski, R.E. (2007) Characterization of bacterial magnetic nanostructures using high-resolution transmission electron microscopy and off-axis electron holography. In Magnetoreception and magnetosomes in bacteria, D. Schüler ed., Microbiology Monographs 3, Springer, Berlin Heidelberg New York, 197-225.
K3. Pósfai, M. and Dunin-Borkowski, R.E. (2006) Sulfides in biosystems. In Sulfide Mineralogy and Geochemistry. Reviews in Mineralogy and Geochemistry, Vol. 61, D.J. Vaughan ed., Mineralogical Society of America and The Geochemical Society, Washington, D.C., 679-714.
K2. Pósfai, M. and Molnár, Á. (2000) Aerosol particles in the troposphere: A mineralogical introduction. In Environmental Mineralogy. European Mineralogical Union Notes in Mineralogy, Vol. 2, D. Vaughan and R. Wogelius eds., Eötvös University Press, Budapest, pp. 197-252.
K1. Pósfai, M. and Buseck, P.R. (1997) Modular structures in sulphides: Sphalerite/wurtzite-, pyrite/marcasite-, and pyrrhotite-type minerals. In Modular structures in minerals. European Mineralogical Union Notes in Mineralogy, Vol. 1, S. Merlino ed., Eötvös University Press, Budapest, pp. 193-235.
Journal papers
C90. Tóth, Á., Hoffer, A., Pósfai, M., Ajtai, T., Kónya, Z., Blazsó, M., Czégény, Z., Kiss, Gy., Bozóki, Z. and Gelencsér, A. (2018) Chemical characterization of laboratory-generated tar ball particles. Atmospheric Chemistry and Physics Discussions, in review.
C89. Klein, Á., Kovács, M., Muskotál, A., Jankovics, H., Tóth, B., Pósfai, M., Vonderviszt, F. (2018) Nanobody-displaying flagellar nanotubes. Scientific Reports, 8:3584, doi:10.1038/s41598-018-22085-3.
C88. Nyirő-Kósa, I., Rostási, Á., Bereczk-Tompa, É., Cora, I., Koblar, M., Kovács, A., Pósfai, M. (2018) Nucleation and growth of Mg-bearing calcite in a shallow, calcareous lake. Earth and Planetary Science Letters, 496, 20-28. https://doi.org/10.1016/j.epsl.2018.05.029
C87. Bereczk-Tompa, É., Vonderviszt, F., Horváth, B., Szalai, I., Pósfai, M. (2017) Biotemplated synthesis of magnetic filaments. Nanoscale, 9, 15062–15069. doi:10.1039/C7NR04842D.
C86. Hoffer, A., Tóth, Á., Pósfai, M., Chung, C.E., Gelencsér, A. (2017) Brown carbon absorption in the red and near-infrared spectral region. Atmospheric Measurement Techniques, 10, 2353-2359. https://doi.org/10.5194/amt-10-2353-2017.
C85. Reichel, V., Kovács, A., Kumari, M., Bereczk-Tompa, É., Schneck, E., Diehle, P., Pósfai, M., Hirt, A.M., Duchamp, M., Dunin-Borkowski, R.E. and Faivre, D. (2017) Single crystalline superstructured stable single domain magnetite nanoparticles. Scientific Reports, 7, 45484, doi:10.1038/srep45484.
C84. Bereczk-Tompa, É., Pósfai, M., Tóth, B., Vonderviszt, F. (2016) Magnetite-binding flagellar filaments displaying the MamI loop motif. ChemBioChem, 17, 2075-2082. DOI: 10.1002/cbic.201600377.
C83. Heinke, D., Gehrke, N., Schmidt, D., Steinhoff, U., Viereck, T., Remmer, H., Ludwig, F., Pósfai, M. and Briel, A. (2016) Diffusion-controlled synthesis of magnetic nanoparticles. International Journal on Magnetic Particle Imaging, 2, 1603001.
C82. Hoffer, A., Tóth, Á., Nyirő-Kósa, I., Pósfai, M., Gelencsér, A. (2016) Light absorption properties of laboratory-generated tar ball particles. Atmospheric Chemistry and Physics, 16, 239-246, doi: 10.5194/acp-16-239-2016.
C81. Németh, Z., Pósfai, M., Nyirő-Kósa, I., Aalto, P., Kulmala, M. and Salma, I. (2015) Images and properties of individual nucleated particles. Atmospheric Environment, 123, 166-170.
C80. Taukulis, R., Widdrat, M., Kumari, M., Heinke, D., Rumpler, M., Tompa, É., Uebe, R., Kraupner, A., Cebers, A., Schüler, D., Pósfai, M., Hirt, A.M. and Faivre, D. (2015) Biological vs. synthetic and small vs. large magnetite nanoparticles as MRI contrast agents – a comprehensive physical and theoretical study. Magnetohydrodynamics, 51, 721-747.
C79. Kumari, M., Hirt, A.M., Uebe, R., Schüler, D., Tompa, É., Pósfai, M., Lorenz, W., Ahrentorp, F., Jonasson, C. and Johansson, C. (2015) Experimental mixtures of superparamagnetic and single-domain magnetite with respect to Day-Dunlop plots. Geochemistry, Geophysics, Geosystems, 16, 1739–1752, doi:10.1002/2015GC005744
C78. Kumari, M., Widdrat, M., Tompa, É., Uebe, R., Schüler, D., Pósfai, M., Faivre, D. And Hirt, A.M. (2014) Distinguishing magnetic particle size of iron oxide nanoparticles with first-order reversal curves. Journal of Applied Physics, 116, 124304
C77. Tompa, É., Nyirő-Kósa, I., Rostási, Á., Cserny, T. and Pósfai, M. (2014) Distribution and composition of Mg-calcite and dolomite in the water and sediments of Lake Balaton. Central European Geology, 57, 113-136.
C76. Lohße, A., Borg, S., Raschdorf, O., Kolinko I.,Tompa, É., Pósfai, M., Faivre, D., Baumgartner, J. and Schüler, D. (2014) Genetic dissection of the mamAB and mms6 operons reveals a gene set essential for magnetosome biogenesis in Magnetospirillum gryphiswaldense. Journal of Bacteriology, JB.01716, doi: 10.1128/JB.01716-14.
C75. Widdrat, M., Kumari, M., Tompa, É., Pósfai, M., Hirt, A. and Faivre, D. (2014) Keeping nanoparticles fully functional: long term storage and alteration of magnetite. ChemPlusChem, doi: 10.1002/cplu.201402032.
C74. Buseck, P.R., Adachi, K., Gelencsér, A., Tompa, É. and Pósfai, M. (2014) Ns-soot: a material-based term for strongly light-absorbing carbonaceous particles. Aerosol Science and Technology, 48, doi: 10.1080/02786826.2014.919374.
C73. Nyirő-Kósa I., Tompa É., Rostási Á., G.-Tóth L., Nédli B.J., Balogh Cs., Cserny T. és Pósfai M. (2014) A Balaton karbonátásványai. Hidrológiai Közlöny, 94, 22-24.
C72. Kolinko, I., Lohße, A., Borg, S., Raschdorf, O., Jogler, C., Tu, Q., Pósfai, M., Tompa, É., Plitzko, J.M., Brachmann, A., Wanner, G., Müller, R., Zhang, Y. and Schüler, D. (2014) Biosynthesis of magnetic nanostructures in a foreign organism by transfer of bacterial magnetosome gene clusters. Nature Nanotechnology, doi: 10.1038/nnano.2014.13.
C71. Tóth, Á., Hoffer, A., Nyirő-Kósa, I., Pósfai, M. and Gelencsér, A. (2014) Atmospheric tar balls: aged primary droplets from biomass burning? Atmospheric Chemistry and Physics, 14, 6669-6675. doi:10.5194/acp-14-6669-2014.
C70. Pósfai, M., Lefèvre, C.T., Trubitsyn, D., Bazylinski D.A., and Frankel, R.B. (2013) Phylogenetic significance of composition and crystal morphology of magnetosome minerals. Frontiers in Microbiology, 4, 344. doi: 10.3389/fmicb.2013.00344.
C69. Muxworthy, A.R., Williams, W., Roberts, A.P., Winklhofer, M., Chang, L. and Pósfai, M. (2013) Critical single domain grain sizes in chains of interacting greigite particles: implications for magnetosome crystals. Geochemistry, Geophysics, Geosystems (G-Cubed), 14, DOI: 10.1002/2013GC004973.
C68. Rečnik, A., Nyirő-Kósa, I., Dódony, I. and Pósfai, M. (2013) Growth defects and epitaxy in Fe3O4 and γ-Fe2O3 nanocrystals. CrystEngComm, 15, 7539-7547. DOI: 10.1039/c3ce40873f.
C67. Raschdorf, O., Müller, F.D, Pósfai, M., Plitzko, J.M. and Schüler, D. (2013) The magnetosome proteins MamX, MamZ, and MamH are involved in redox control of magnetite biomineralization in Magnetospirillum gryphiswaldense. Molecular Microbiology, 89, 872-886, DOI: 10.1111/mmi.12317.
C66. Németh, P., Dódony, I., Pósfai, M., and Buseck, P.R. (2013) Complex defect in pyrite and its structure model, derived from geometric phase analysis. Microscopy & Microanalysis, 19, 1303-1307, doi:10.1017/S1431927613001839.
C65. Pósfai, M. and Dunin-Borkowski, R.E. (2013) Imaging: Magnetic bacteria on a diamond plate. Nature, 496, 442-443.
C64. Pósfai, M., Axisa, D., Tompa, É., Freney, E., Bruintjes, R. and Buseck, P.R. (2013) Interactions of mineral dust with pollution and clouds: an individual-particle TEM study of atmospheric aerosol from Saudi Arabia. Atmospheric Research, 122, 347-361.
C63. Nyirő-Kósa, I., Rečnik, A., and Pósfai, M. (2012) Novel methods for the synthesis of magnetite nanoparticles with special morphologies and textured assemblages. Journal of Nanoparticle Research, 14, 1150-1159.
C62. Buseck, P.R., Adachi, K., Gelencsér, A., Tompa, É. and Pósfai, M. (2012) Are black carbon and soot the same? Atmospheric Chemistry and Physics Discussions, 12, 24821–24846.
C61. Lefèvre, C.T., Viloria, N., Schmidt, M.L., Pósfai, M., Frankel, R.B., and Bazylinski D.A. (2012) Novel magnetite-producing magnetotactic bacteria belonging to the Gammaproteobacteria. The ISME Journal, 6, 440-450.
C60. Csákberényi-Malasics, D., Rodriguez-Blanco, J., Kovács Kis, V., Rečnik, A., Benning, L.G. and Pósfai, M. (2012) Structural properties and transformations of precipitated FeS. Chemical Geology, 294-295, 249-258.
C59. Lefèvre, C.T., Menguy, N., Abreu, F., Lins, U., Pósfai, M., Prozorov, T., Pignol, D., Frankel, R.B., and Bazylinski D.A. (2011) A cultured greigite-producing magnetotactic bacterium in a novel group of sulfate-reducing bacteria. Science, 334, 1720-1723.
C58. Lefèvre, C.T., Pósfai, M., Abreu, F., Lins, U., Frankel, R.B., and Bazylinski D.A. (2011) Morphological features of elongated-anisotropic magnetosome crystals in magnetotactic bacteria of the Nitrospirae phylum and the Deltaproteobacteria class. Earth and Planetary Science Letters, 312, 194-200.
C57. Uebe, R., Junge, K., Henn, V., Poxleitner, G., Katzmann, E., Plitzko, J., Zarivach, R., Kasama, T., Wanner, G., Pósfai, M., Böttger, L., Matzanke, B., Schüler, D. (2011) The cation diffusion facilitator proteins MamB and MamM of Magnetospirillum gryphiswaldense have distinct and complex functions, and are involved in biomineralization and magnetosome membrane assembly. Molecular Microbiology, 82, 818-835.
C56. Lefèvre, C.T., Frankel, R.B., Pósfai, M., Prozorov, T. and Bazylinski D.A. (2011) Isolation of obligately alkaliphilic magnetotactic bacteria from extremely alkaline environments. Environmental Microbiology, 13, 2342-2350.
C55. Gelencsér, A., Kováts, N., Turóczi, B., Rostási, Á., Hoffer, A., Imre, K., Nyirő-Kósa, I., Csákberényi-Malasics, D., Tóth, Á., Czitrovszky, A., Nagy, A., Nagy, Sz., Ács, A., Kovács, A., Ferincz, Á., Hartyáni, Zs., Pósfai, M. (2011) The red mud accident in Ajka (Hungary): characterization and potential health effects of fugitive dust. Environmental Science & Technology, 45, 1608–1615.
C54. Pósfai, M., Buseck, P.R. (2010) Nature and climate effects of tropospheric aerosol particles. Annual Review of Earth and Planetary Sciences, 38, 17-43.
C53. Pósfai, M. and Dunin-Borkowski, R.E. (2009) Magnetic nanocrystals in organisms. Elements, 5, 235-240.
C52. Galindo-Gonzalez, C., Feinberg, J.M., Kasama, T., Cervera Gontard, L., Pósfai, M., Kósa, I., Duran, J.D.G., Gil, J.E., Harrison, R.J., and Dunin-Borkowski, R.E. (2009) Magnetic and microscopic characterization of magnetite nanoparticles adhered to clay surfaces. American Mineralogist, 94, 1120-1129.
C51. Pósfai M. (2009) Mágneses baktériumok. Fizikai Szemle, 59, 174-177.
C50. Salma, I., Pósfai, M., Kovács, K., Kuzmann, E., Homonnay, Z., Posta, J. (2009) Properties and sources of individual particles and some chemical species in the aerosol of a metropolitan underground railway station. Atmospheric Environment, 43, 3460–3466.
C49. Nyírő-Kósa, I., Csákberényi Nagy, D., Pósfai, M. (2009) Size and shape control of precipitated magnetite nanoparticles. European Journal of Mineralogy, 21, 293-302.
C48. Georgakopoulos, D. G., Després, V., Fröhlich-Nowoisky J., Psenner, R., Ariya, P. A., Pósfai, M., Ahern, H. E., Moffett, B. F. and Hill, T. C. J. (2009) Microbiology and atmospheric processes: biological, physical and chemical characterization of aerosol particles. Biogeosciences, 7, 721–737.
C47. Collingwood, J.F., Chong, R.K.K., Kasama, T., Cervera Gontard, L., Dunin-Borkowski, R.E., Perry, G., Pósfai, M., Siedlak, S., Simpson, E.T., Smith, M.A. and Dobson, J. (2008) Three-dimensional tomographic imaging and characterization of iron compounds within Alzheimer’s plaque core material. Journal of Alzheimer’s Disease, 14, 235-245.
C46. Faivre, D., Menguy, N., Pósfai, M. and Schüler, D. (2008) Environmental parameters affect the physical properties of fast-growing magnetosomes. American Mineralogist, 93, 463-469.
C45. Kósa I., Pósfai M. (2007) Mágneses baktériumok a Balatonban. Hidrológiai Közlöny, 87(6), 90-92.
C44. Müller, K., Skepper, J.N., Pósfai, M., Trivedi, R., Howarth, S., Corot, C., Lancelot, E., Thompson, P.W., Brown, A. and Gillard, J.H. (2007) Effect of ultrasmall superparamagnetic iron oxide nanoparticles (Ferumoxtran-10) on human monocyte-macrophages in vitro. Biomaterials, 28, 1629-1642.
C43. Pósfai, M., Moskowitz, B.M., Arató, B., Schüler, D., Flies, C., Bazylinski, D.A., and Frankel, R.B. (2006) Properties of intracellular magnetite crystals produced by Desulfovibrio magneticus strain RS-1. Earth and Planetary Science Letters, 249, 444-455.
C42. Kovács Kis, V., Pósfai, M. and Lábár, J. (2006) Nanostructure of atmospheric soot particles. Atmospheric Environment, 40, 5533-5542.
C41. Dódony, I., Pósfai, M. and Buseck, P.R. (2006) Does antigorite really contain 4- and 8-membered rings of tetrahedra? American Mineralogist, 91, 1831-1838.
C40. Kasama, T., Pósfai, M., Chong, R.K.K., Finlayson, A.P.R., Buseck, P.R., Frankel, R.B. and Dunin-Borkowski, R.E. (2006) Magnetic properties, microstructure, composition and morphology of greigite nanocrystals in magnetotactic bacteria from electron holography and tomography. American Mineralogist, 91, 1216-1229.
C39. Kasama, T., Pósfai, M., Chong, R.K.K., Finlayson, A.P.R., Dunin-Borkowski, R.E. and Frankel, R.B. (2006) Magnetic microstructure of iron sulfide crystals in magnetotactic bacteria from off-axis electron holography. Physica B, 384, 249-252.
C38. Tuba Gy., Kiss P., Pósfai, M., Mindszenty A. (2006) Diagenezis-történeti vizsgálatok a bakonyi felső-kréta dinoszaurusz lelőhely csontanyagán. Földtani Közlöny, 136, 1-24.
C37. Simpson, E.T., Kasama, T., Pósfai, M., Buseck, P.R., Harrison, R.J. and Dunin-Borkowski, R.E. (2005) Magnetic induction mapping of magnetite chains in magnetotactic bacteria at room temperature and close to the Verwey transition using electron holography. Journal of Physics: Conference Series, 17, 108-121.
C36. Arató, B., Szányi, Z., Flies, C. Schüler, D., Frankel, R.B., Buseck, P.R., and Pósfai, M. (2005) Crystal-size and shape distributions of magnetite from uncultured magnetotactic bacteria as a potential biomarker. American Mineralogist, 90, 1233-1241.
C35. Pósfai, M., Gelencsér, A., Simonics, R., Arató, K., Li, J., Hobbs, P.V., and Buseck, P.R. (2004) Atmospheric tar balls: Particles from biomass and biofuel burning. Journal of Geophysical Research, Vol. 109, No. D6, D06213, 10.1029/2003JD004169.
C34. Li, J., Pósfai, M., Hobbs, P.V., and Buseck, P.R. (2003) Individual aerosol particles from biomass burning in southern Africa: 2. Compositions and aging of inorganic particles. Journal of Geophysical Research, Vol. 108 No. D13, 10.1029/2002JD002310.
C33. Pósfai, M., Simonics, R., Li, J., Hobbs, P.V., and Buseck, P.R. (2003) Individual aerosol particles from biomass burning in southern Africa: 1. Compositions and size distributions of carbonaceous particles. Journal of Geophysical Research, Vol 108, No. D13, 10.1029/2002JD002291.
C32. Pósfai, M., Jia, L., Anderson, J.R. and Buseck, P.R. (2003) Aerosol bacteria over the Southern Ocean during ACE-1. Atmospheric Research, 66, 231-240.
C31. Dódony, I., Pósfai, M. and Buseck, P.R. (2002) Revised structure models for antigorite. An HRTEM study. American Mineralogist, 87, 1443-1457.
C30. Buseck, P.R, Dunin-Borkowski, R.E., Devouard, B., Frankel, R.B., McCartney, M.R., Midgley, P.A., Pósfai, M., and Weyland, M. (2001) Magnetite morphology and life on Mars. Proceedings of the National Academy of Sciences, 98, 13490-13495.
C29. Pósfai, M., Cziner, K., Márton, E., Márton, P., Buseck, P.R., Frankel, R.B. and Bazylinski, D:A. (2001) Crystal size distributions and possible biogenic origin of Fe sulfides. European Journal of Mineralogy, 13, 691-704.
C28. Dunin-Borkowski, R.E., McCartney, M.R., Pósfai, M., Frankel, R.B., Bazylinski, D.A., and Buseck, P.R. (2001) Off axis electron holography of magnetotactic bacteria: Magnetic microstructure of strains MV-1 and MS-1. European Journal of Mineralogy, 13, 671-684.
C27. Pósfai, M. and Buseck, P. R. (2001) Bacterial magnetic minerals. In McGraw-Hill Yearbook of Science and Technology 2001, McGraw-Hill, New York, 40-43.
C26. Hogarth, D.D., Pósfai, M., Buseck, P.R. and Smith, J.V. (2001) Fibrous nepheline, pectolite and plagioclase from Baffin Island. European Journal of Mineralogy, 13, 51-56.
C25. Kontny, A., DeWall, H,. Sharp, T.G. and Pósfai, M. (2000) Mineralogy and magnetic behavior of pyrrhotite from a 260 °C section at the KTB drilling site, Germany. American Mineralogist, 85, 1416-1427.
C24. Pósfai, M., Sharp, T.G. and Kontny, A. (2000) Pyrrhotite varieties from the 9.1 km deep borehole of the KTB project. American Mineralogist, 85, 1406-1415.
C23. Buseck, P.R., Jacob, D.J., Pósfai, M., Li, J. and Anderson, J.R. (2000) Minerals in the air: An environmental perspective. International Geology Review, 42, 577-593.
C22. Pósfai, M. and Arató, B. (2000) Magnetotactic bacteria and their mineral inclusions from Hungarian freshwater sediments. Acta Geologica Hungarica, 43, 463-476.
C21. Buseck, P.R. and Pósfai, M. (1999) Airborne minerals and related aerosol particles: Effects on climate and the environment. Proceedings of the National Academy of Sciences, 96, 3372-3379.
C20. Sievering, H., Lerner, B., Slavich, J, Anderson, J.R., Pósfai, M. and Cainey, J. (1999) O3 oxidation of SO2 in sea-salt aerosol water and the size distribution of non-sea-salt sulfate during ACE-1. Journal of Geophysical Research, 104, 21,707-21717.
C19. Pósfai, M., Anderson, J.R., Buseck, P.R. and Sievering, H. (1999) Soot and sulfate aerosol particles in the remote marine troposphere. Journal of Geophysical Research, 104, 21,685-21,693.
C18. Pósfai, M., Xu, H., Anderson, J.R. and Buseck, P.R. (1998) Wet and dry sizes of atmospheric aerosol particles: A combined AFM-TEM study. Geophysical Research Letters, 25, 1907-1910.
C17. Dunin-Borkowski, R.E., McCartney, M.R., Frankel, R.B., Bazylinski, D.A., Pósfai, M. and Buseck, P.R. (1998) Magnetic microstructure of magnetotactic bacteria by electron holography. Science, 282, 1868-1870.
C16. Pósfai, M., Buseck, P.R., Bazylinski, D.A., and Frankel, R.B. (1998) Iron sulfides from magnetotactic bacteria: Structure, composition, and phase transitions. American Mineralogist, 83,.1469-1482.
C15. Devouard, B., Pósfai, M., Hua, X., Bazylinski, D.A., Frankel, R.B. and Buseck, P.R. (1998) Magnetite from magnetotactic bacteria: Size distributions and twinning. American Mineralogist, 83, 1387-1399.
C14. Pósfai, M., Buseck, P.R., Bazylinski, D.A. and Frankel, R.B. (1998) Reaction sequence of iron sulfides in bacteria and their use as biomarkers. Science, 280, 880-883.
C13. Murphy, D.M., Anderson, J.R., Quinn, P.K., McInnes, L.M., Brechtel, F.J., Kreidenweis, S.M., Middlebrook, A.M., Pósfai, M., Thomson, D.S., and Buseck, P.R. (1998) Influence of sea-salt on aerosol radiative properties in the Southern Ocean marine boundary layer. Nature, 392, 62-65.
C12. Pósfai, M. and Buseck, P.R. (1998) Relationships between microstructure and composition in enargite and luzonite. American Mineralogist, 83, 373-383.
C11. Pósfai, M. and Sundberg, M. (1998) Stacking disorder and polytypism in enargite and luzonite. American Mineralogist, 83, 365-372.
C10. Pósfai, M., Csikós-Hartyáni, Z. and Szabó, S. (1997) Transmission electron microscopy of characteristic minerals in the Steinbach meteorite. Annales Universitatis Scientiarum Budapestinensis de Rolando Eotvos Nominatae. Sectio Geophysica et Meteorologica, 12, 51-57.
C9. Dódony, I., Pósfai, M. and Buseck, P.R. (1996) Structural relationship between pyrite and marcasite. American Mineralogist, 81, 119-125.
C8. Pósfai, M., Anderson, J.R., Buseck, P.R. and Sievering, H. (1995) Compositional variations of sea-salt-mode aerosol particles from the North Atlantic. Journal of Geophysical Research, 100, 23,063-23,074.
C7. Pósfai, M. and Buseck, P.R. (1994) Djurleite, digenite, and chalcocite: Intergrowths and transformations. American Mineralogist, 79, 308-315.
C6. Pósfai, M., Anderson, J.R., Buseck, P.R., Shattuck, T.W. and Tindale, N.W. (1994) Constituents of a remote Pacific marine aerosol: A TEM study. Atmospheric Environment, 28, 1747-1756.
C5. Pósfai, M. and Sundberg, M. (1992) HREM investigations of two minerals, Cu3(As,Sb)S4. Micron and Microscopica Acta, 23, 207-208.
C4. Dódony, I. and Pósfai, M. (1990) Pyrrhotite superstructures. Part II: A TEM study of 4C and 5C structures. European Journal of Mineralogy, 2, 529-535.
C3. Pósfai, M. and Dódony, I. (1990) Pyrrhotite superstructures. Part I: Fundamental structures of the NC (N=2, 3, 4 and 5) type. European Journal of Mineralogy, 2, 525-528.
C2. Pósfai, M. (1989) Bornite from Rudabánya: An electron diffraction study. Acta Geologica Hungarica, 32, 231-240.
C1. Pósfai, M., Dódony, I. and Soós, M. (1988) Stacking disorder in the ZnS from Gyöngyösoroszi, Hungary. Neues Jahrbuch für Mineralogie Monatshefte, 438-445.
Oral and poster presentations, abstracts
E217. Bereczk-Tompa, É., Vonderviszt, F., Tóth, B., Horváth, B., Szalai, I., Pósfai, M. (2017) Biologically templated synthesis of magnetic filaments. 13th Multinational Congress on Microscopy, Rovinj, Sept. 24-29. E216. Pósfai M., Rostási Á., Topa B., Molnár Zs., Nyirő-Kósa I., Bereczk-Tompa É., Fodor M., Cora I., Kovács A., Váczi T., Weiszburg T., Haas J. (2017) Karbonátásványok kiválása a Balatonban. (Precipitation of carbonate minerals in Lake Balaton – in Hungarian) 8. Kőzettani és Geokémiai Vándorgyűlés (Szihalom, szeptember 7-9.) Kiadványa, 143-146. E215. Bereczk-Tompa, É., Vonderviszt, F., Horváth, B., Szalai, I., Pósfai, M. (2017) Fabrication of magnetic nanofibers on biological templates. Goldschmidt Conference on Geochemistry, Paris, August 13-18. E214. Rostási, Á., Molnár, Zs., Fodor, M., Bereczk-Tompa, É., Váczi, T., Pósfai, M. (2017) Templated nucleation and growth of calcite in a freshwater environment. Goldschmidt Conference on Geochemistry, Paris, August 13-18. E213. Pósfai M. (2017) Kristályképződés oldatokból természetes és mesterséges rendszerekben. Inczédy János Emlékülés, Veszprém, jún. 7. E212. Pósfai M., Bereczk-Tompa É., Kovács A., Dunin-Borkowski, R.E., Tóth B., Vonderviszt F. (2017) Biogén nanokristályok vizsgálata és egydimenziós mégneses nanostruktúrák létrehozása. (Magnetic properties of biogenic nanocrystals and biomimetic synthesis of one-dimensional magnetic nanostructures.) Műszaki Kémiai Napok, Veszprém, április 25-27. E211. Pósfai M. (2017) Egyedi aeroszol részecskék elektronmikroszkópos vizsgálata: eredmények és lehetőségek. Magyar Aeroszol Konferencia, Pécs, április 19-21. E210. Pósfai M. (2017) Mit adtak nekünk a mágneses baktériumok? Magyar Tudományos Akadémia, Budapest, április 18., székfoglaló előadás. E209. Pósfai M. (2017) Bioásványok mágneses élőlényekben és a Balatonban. Babes-Bolyai Tudományegyetem, Kolozsvár, március 3. (KAB meghívott előadás) E208. Pósfai M. (2017) Évmilliók története kőbe zárva, avagy a Balaton-felvidék geológiája. Aszófő, febr. 10. E207. Pósfai M. (2017) Az elektronmikroszkópia lehetőségeinek tágítása térben, időben és anyagban. 12. Téli Ásványtudományi Iskola, Veszprém, jan. 20. E206. Pósfai M. (2017) Bioásványok mágneses baktériumokban és a Balatonban. „A PE akadémikusai és akadémikusjelöltjei”, a VEAB Műszaki Szakbizottságának rendezvénye, Pannon Egyetem, Veszprém, jan. 12. E205. Pósfai M. (2016) Mire jó az elektronmikroszkópia? Lakossági Fórum, Veszprém, VEAB székház, nov. 30. E204. Pósfai, M. (2016) Earth sciences problems for TEMs of the future. Workshop on Scientific Directions for Future Electron Microscopy, Jülich, 24-26 October 2016 (invited). E203. Bereczk-Tompa, É., Vonderviszt, F., Tóth, B., Pósfai, M. (2016) Flagellar nanotubes engineered with magnetosome-associated proteins for magnetite binding. 5th International Meeting on Magnetotactic Bacteria, Carry-le-Rouet, France, 11-15 September. E202. Tóth, Á., Hoffer, A., Ajtai, T., Blazsó, M., Czégény, Zs., Kiss, Gy., Pósfai, M., Szabó, P. and Gelencsér, A. (2016) Chemical characterization of laboratory-generated tar ball particles. European Aerosol Conference, 4-9 September, Tours, France. E203. Pósfai, M., Nyirő-Kósa, I., Rostási, Á., Bereczk-Tompa, É., Cora, I., Koblar, M., Kovács, A. (2016) Mg-calcite formation in freshwater environment (Lake Balaton): nucleation, growth, structure and composition. European Microscopy Congress, Lyon, 29 Aug – Sept 2. Abstract no. 5814. 10.1002/9783527808465.EMC2016.5814. E202. Pósfai, M., Nyirő-Kósa, I., Rostási, Á., Bereczk-Tompa, É., Cora, I., Koblar, M., Kovács, A. (2016) Nucleation, morphology, composition and structure of Mg-calcite, the dominant mineral in the mud of Lake Balaton / A Balaton iszapját alkotó Mg-kalcit képződése és tulajdonságai: heterogén kristálynukleáció, növekedés, szerkezet és összetétel. Annual Meeting of the Hungarian Microscopy Society / Magyar Mikroszkópos Társaság konferenciája, Siófok, május 19-21. E201. Pósfai M. (2016) Mágneses élőlények. Rotary Club Budapest-Sasad, Budapest, ápr. 19. E200. Pósfai M. (2016) Vizes geokémiai egyensúlyok modellezése VMinteq programmal. 11. Téli Ásványtudományi Iskola, Balatonfüred, jan. 22-23. E199. Reichel, V., Kovács, A., Kumari, M., Tompa, É., Pósfai, M., Hirt, A.M., Duchamp, M., Dunin-Borkowski, R.E., Wirth, R. and Faivre, D. (2015) Materials Research Society Fall Meeting, Nov 29 – Dec 4, Boston, poster. E198. Pósfai, M. (2015) Magnetic biominerals: biological function, genetically controlled formation and possible applications. Center for Applied Geoscience, Eberhard-Karls-University Tübingen, invited seminar talk. E197. Tóth, Á., Hoffer, A., Nyirő-Kósa, I., Pósfai, M., Gelencsér, A. (2015) Light absorption properties of laboratory generated tar ball particles. European Aerosol Conference, 6-11 September, Milan. E196. Pósfai, M., Kovács, A., Tompa, É., Uebe, R., Schüler, D., Lefèvre, C.T., Bazylinski, D.A. and Dunin-Borkowski, R.E. (2015) Effects of particle shape and structure on the magnetic properties of magnetite magnetosomes. Multinational Congress on Microscopy, 23-28 August, Eger. Invited talk. E195. Pósfai, M., Kovács, A., Lefèvre, C.T. and Dunin-Borkowski, R.E. (2015) Bullet-shaped magnetosomes: magnetic properties and possible routes of biomineralization. Goldschmidt Conference, 16-21 August, Prague, p2524. E194. Tompa, É., Nyirő-Kósa, I., Pósfai, M., Tóth, B., Vonderviszt, F. (2015) Synthesis of magnetic filaments using flagellin-based fusion proteins as templates. Goldschmidt Conference, 16-21 August, Prague, p3150. E193. Hoffer, A., Tóth, Á., Nyirő-Kósa, I., Pósfai, M., Gelencsér, A. (2015) The dark side of brown carbon. International Conference on Carbonaceous Particles in the Atmosphere, 10-13 August, Berkeley, CA. E192. Tompa, É., Nyirő-Kósa, I., Pósfai, M., Tóth, B., Vonderviszt, F. (2015) Synthesis of filamentous magnetite on biological templates. 6th Mineral Sciences in the Carpathians Conference, Veszprém, May 17-19. Acta Mineralogica-Petrographica, Abstract Series 9, p 66. E191. Németh Z., Pósfai M., Nyirő-Kósa I., Salma I. (2015) Légköri nukleációból származó, egyedi aeroszol részecskék elektronmikroszkópos elemzése. Magyar Aeroszol Konferencia, Szeged. E190. Pósfai M. (2015) Bioásványok. Anyagcsere Csontbetegségek Workshop, Semmelweis Egyetem, I. Belgyógyászati Klinika, január 14 (meghívott előadás). E189. Pósfai, M., Tompa, É., Nyirő-Kósa, I., Kovács, A., Dunin-Borkowski, R.E., Tóth, B., Vonderviszt, F., Uebe, R., Schüler, D. (2014) Biomineralization by magnetotactic bacteria and the biomimetic synthesis of magnetic nanoparticles. 92nd Annual Meeting of the Deutsche Mineralogische Gesellschaft, 21-24 September, Jena. Invited plenary talk. E188. Tompa, É., Nyirő-Kósa, I., Pósfai, M., Tóth, B., Vonderviszt, F. (2014) Synthesis of magnetic filaments on flagellin-Mms6Cterm fusion proteins as templates. 4th Meeting on Magnetotactic Bacteria, 15-18 September, Rio de Janeiro, Brazil. E187. Kovács, A. Uebe, R., Schüler, D., Lefèvre, C.T., Bazylinski, D.A., Frankel, R.B., Tompa, É., Pósfai, M., Dunin-Borkowski, R.E. (2014) Effects of crystal shape and structure on the magneticmicrostructures of magnetosomes and their chains. 4th Meeting on Magnetotactic Bacteria, 15-18 September, Rio de Janeiro, Brazil. E186. Tóth, Á., Hoffer, A., Nyirő-Kósa, I., Pósfai, M. and Gelencsér, A. (2014) Formation of tar balls and their light absorption: direct laboratory studies. Goldschmidt Conference, Sacramento, USA, p2505. E185. Kumari, M.., Widdrat, M., Tompa, É., Uebe, R., Kraupner, A., Schüler, D., Pósfai, M., Faivre, D., Hirt, A.M. (2014) Assessing superparamagnetic iron oxide nanoparticles with first order reversal curves. 10th International Conference on the Scientific and Clinical Applications of Magnetic Carriers, Dresden, June 10-14 (poster). E184. Pósfai, M. (2014) Magnetic minerals in bacteria and the biomimetic synthesis of magnetic nanoparticles. 5th International Students Geological Conference, Budapest. Invited plenary talk. E183. Tompa, É., Tóth, B., Vonderviszt, F., Nyirő-Kósa, I., Pósfai M. (2014) Bio-assisted synthesis of magnetic filaments. 4th Central European Mineralogical Conference, Skalsky Dvur, Czech Republic, April 22-25. E182. Nyirő-Kósa, I., Tompa, É., Pósfai, M., Domonkos, A. (2014) Carbonate mineralization in Lake Balaton. 4th Central European Mineralogical Conference, Skalsky Dvur, Czech Republic, April 22-25. E181. Tompa É., Tóth B., Vonderviszt F., Nyirő-Kósa I., Pósfai M. (2014). Mágneses nanocső-szintézis módosított flagelláris filamentumok segítségével. Műszaki Kémiai Napok, Veszprém. E180. Tompa É., Pósfai M. (2014) Nanokristályos magnetit előállítása baktériumok segítségével és bio-nanotechnológiai módszerrel. 9. Téli Ásványtudományi Iskola, Tihany, 2014. január 18. E179. Pósfai M. (2013) Természetes laboratóriumok: a mágneses baktériumok. Magyar Tudomány Ünnepe nyitóelőadás, Veszprém, 2013. november 4. E178. Pósfai, M. (2013) Biomineralization by magnetotactic bacteria and the biomimetic synthesis of magnetic nanoparticles. The Hebrew University, Jerusalem, Izrael, Oct. 17 (invited seminar talk). E177. Nyirő-Kósa, I., Tompa, É., Rostási, Á., G.-Tóth, L., Nédli, B.J., Balogh, Cs., Cserny, T., Pósfai, M. (2013) A Balaton karbonátásványai. Hidrobiológus Napok, Tihany, október 2-4. E176. Nyirő-Kósa, I., Tompa, É., Rostási, Á., Cserny, T., Pósfai, M. (2013) Carbonate mineralization in shallow Lake Balaton. Goldschmidt Conference, Florence, August 25-30. (Goldschmidt2013 Conference Abstracts pp. 1868.) E175. Tompa, É., Nyirő-Kósa, I., Uebe, R., Schüler, D., Pósfai, M. (2013) Biomineralization and biomimetic synthesis of magnetite nanoparticles. Goldschmidt Conference, Florence, August 25-30. (Goldschmidt2013 Conference Abstracts pp. 2343.) E174. Nyirő-Kósa I., Tompa É., Rostási Á., Cserny T., Pósfai M. (2013) A Balaton üledékének karbonátásványai. Földtudományi Vándorgyűlés, Veszprém, július 4-6. E173. Pósfai M. (2013) Levegőkörnyezetünk „ásványtana”. Földtudományi Vándorgyűlés, Veszprém, július 4-6. E172. Pósfai, M., Kasama, T., Dunin-Borkowski, R.E. (2013) Biominerals at the nanoscale: transmission electron microscopy methods for studying the special properties of biominerals. European Mineralogical Union school on “Electron Microscopy and Nanoscale Phenomena in Minerals” Granada, June 3-7. E171. Nyirő-Kósa I., Rečnik, A., Dódony, I., Pósfai, M. (2013) Síkhibák és felületi rétegek szerkezetvizsgálata magnetit/maghemit mágneses nanokristályokban. Magyar Mikroszkópos Társaság Konferenciája, Siófok, 2013. május 23-25. E170. Pósfai M. (2013) Mágneses kristályok élőlényekben - a baktériumoktól az emberig. “Lovassy Esték”, Lovassy László Gimnázium, Veszprém, április 24. E169. Pósfai M. (2013) Szabályozott tulajdonságokkal rendelkező mágneses nanokristályok biomimetikus szintézise. “Kutató kari minősítés kötelezettségei és lehetőségei” konferencia, Pannon Egyetem Mérnöki Kar, Veszprém, április 12. E168. Pósfai M. (2013) Részecskék a levegőben. Hlavay József Környezettudományi és Műszaki Diákkonferencia, Veszprém, április 5. E167. Buseck, P.R., Adachi, K., Pósfai, M. (2012) Black carbon, aerosols, and the tooth fairy. Eos Trans. AGU Fall Meeting Abstract A51B-0023 (American Geophysical Union Fall Meeting, San Francisco, December 3-7). E166. Pósfai, M. (2012) Crystallography of magnetosomes. Ludwig Maximilian University, München, Dept. of Microbiology, 17 September. (invited seminar) E165. Pósfai, M., Csákberényi-Malasics, D., Kovács Kis, V., Rodriguez-Blanco, J.D., Benning, L.G., Rečnik, A. (2012) Structures and transformations of synthetic and bacterial iron monosulfides. Microscopy and Microanalysis, 18, S2, 1714-1715. DOI: http://dx.doi.org/10.1017/S1431927612010422. (Invited talk at Microscopy and Microanalysis 2012, Phoenix, AZ, July 29 – August 2.) E164. Tompa É., Pósfai M. (2012) Gépjárműemisszióból származó aeroszol részecskék morfológiája, szerkezete és összetétel mikroszkópos vizsgálatok alapján. “Mobilitás és környezet: járműipar, energetika és környezetvédelem” konferencia és 55. Magyar Spektrokémiai Vándorgyűlés, 2012. július 9-11, Veszprém. E163. Nyirő-Kósa, I., Rostási, Á., Gverič, Z., Pósfai, M. (2012) Karbonátképződés a Balaton jege alatt. Magyar Mikroszkópos Társaság Konferenciája, Siófok, 2012. május 10-12. E162. Nyirő-Kósa, I., Rostási, Á., Pósfai, M. (2012) Carbonate precipitation under the ice of Lake Balaton. Joint 5th Mineral Sciences in the Carpathians Conference and 3rd Central-European Mineralogical Conference, Miskolc, 2012 április 19-21. Acta Mineralogica-Petrographica Abstract Series 7, 96. E161. Pósfai, M. (2012) Magnetic nanocrystals in organisms: biominerals for navigation. Arizona State University, School of Earth and Space Exploration, March 14 (invited seminar talk). E160. Pósfai M., Csákberényi-Malasics D., Kis V., Rečnik, A. (2012) Vas-szulfidok baktériumokban és a laboratóriumban ̶ néhány újdonság. 7. Téli Ásványtudományi Iskola, Balatonfüred, január 20-21. E159. Tompa É., Pósfai M. (2012) Gépjárműemisszióból származó korom részecskék fizikai tulajdonságai. 7. Téli Ásványtudományi Iskola, Balatonfüred, január 20-21. E158. Pósfai M. (2011) Tűzhányók, kecskekörmök, mágneses baktériumok: 250 millió év kőbe írott története a Balaton-felvidéken. Tetőtéri Esték, Tihany, Bencés Apátság, november 25. E157. Nyirő-Kósa, I., Rečnik, A., Dódony, I., Pósfai, M. (2011) Structures and compositions of maghemite nanoparticles. MCM, Urbino, Italy. E156. Pósfai M. (2011) Mágneses ásványok baktériumokban és az ALH84001 Mars-meteoritban. MTA Konkoly Thege Csillagászati Kutatóintézet, Budapest, június 2. E155. Nyirő-Kósa, I., Gelencsér, A., Hoffer, A., Turóczi, B., Rostási, Á., Imre, K., Csákberényi-Malasics, D., Tóth, Á., Pósfai, M. (2011) Electron microscope study of red mud and its fugitive dust. Magyar Mikroszkópos Társaság Konferenciája, Siófok, május 19-21. E154. Pekker, P., Dódony, I., Lefèvre, C.T., Frankel, R.B., Bazylinski D.A., Pósfai, M. (2011) Morphologies and orientation mapping of magnetite magnetosomes from magnetotactic bacteria. Magyar Mikroszkópos Társaság Konferenciája, Siófok, május 19-21. E153. Pósfai M. (2011) Nanoásványok különleges szerepekben: a mágneses érzékeléstől a légköri aeroszolig. MTA székfoglaló, Budapest, Április 19. E152. Gelencsér, A., Kováts, N., Turóczi, B., Rostási, Á., Hoffer, A., Imre, K., Nyirő-Kósa, I., Csákberényi-Malasics, D., Tóth, Á., Czitrovszky, A., Nagy, A., Nagy, Sz., Ács, A., Kovács, A., Ferincz, Á., Hartyáni, Zs., Pósfai, M. (2011) Ajka (Hungary): characterization and potential health effects of fugitive dust from red mud. Asia-Pacific Partnership Program – Bauxite Residue and High Silica Bauxite Workshop, Perth, March 23-24. Invited. E151. Pósfai, M. (2011) Iron minerals in organisms. FIMIN Spring School: Iron in the Environment - From Nature to the Laboratory, 7–11 March, Córdoba, Spain. E150. Pósfai, M. (2011) Iron in the atmosphere. FIMIN Spring School: Iron in the Environment - From Nature to the Laboratory, 7–11 March, Córdoba, Spain. E149. Pósfai, M. (2011) Environmental iron minerals: structures, crystal chemistry and morphologies. II. Fe(II) oxide, sulfide and other minerals. FIMIN Spring School: Iron in the Environment - From Nature to the Laboratory, 7–11 March, Córdoba, Spain. E148. Pósfai M. (2011) Mágneses kristályok élőlényekben. Mandulavirágzási Tudományos Napok, Pécs, március 1. Meghívott előadás. E147. Pósfai M. (2010) Légköri aeroszol részecskék és éghajlati hatásaik. Szemináriumi előadás, Eötvös Collegium, Budapest, december 16. E146. Pósfai M. (2010) Ásványok a levegőben. Ünnepi tudományos ülés a 90 éves Nemecz Ernő tiszteletére. Budapest, MTA, október 26. E145. Kasama, T., Pósfai, M., Dunin-Borkowski, R.E. (2010) Quantitative electron microscopy of magnetic minerals. International Microscopy Congress, Rio de Janeiro, September 19-24. E144. Pósfai, M. (2010) Characterization of magnetic nanocrystals formed by magnetotactic bacteria. YUCOMAT 2010 Conference, Herceg Novi, Montenegro, September 6-10. E143. Nyirő-Kósa, I., Csákberényi-Malasics, D., Rečnik, A., Dódony, I., Pósfai, M. (2010) Nucleation and growth of synthetic magnetite and greigite nanocrystals: clues to the understanding of the formation of magnetosome crystals? MTB2010, International Symposium on Magnetotactic Bacteria and Biomineralization. Meeting Program & Abstracts, 48-50. (Invited talk) E142. Lefèvre, C.T., Abreu, F., Pósfai, M., Prozorov, T., Lins, U., Frankel, R.B. and Bazylinski, D.A. (2010) Phylogenetic diversity and physiology of large rod-shaped greigite-producing magnetotactic bacteria. MTB2010, International Symposium on Magnetotactic Bacteria and Biomineralization. Meeting Program & Abstracts, 36-38. E141. Lefèvre, C.T., Viloria, N., Abreu, F., Pósfai, M., Prozorov, T., Lins, U., Frankel, R.B. and Bazylinski, D.A. (2010) Phylogenetic diversity and ecophysiology of new cultured and uncultured magnetite-producing magnetotactic bacteria from aquatic environments in the desert. MTB2010, International Symposium on Magnetotactic Bacteria and Biomineralization. Meeting Program & Abstracts, 34-36. E140. Pósfai, M. (2010) Biomineral attraction: magnets in organisms. 20th General Meeting of the International Mineralogical Association, Budapest, August 21-27. Program & Abstracts, 48-50. (Invited plenary talk) E139. Nyirő-Kósa, I., Rečnik, A., Dódony, I., Csákberényi-Nagy, D. and Pósfai, M. (2010) Novel methods for the synthesis of magnetite nanoparticles with special morphologies and textured assemblages. 20th General Meeting of the International Mineralogical Association, Budapest, August 21-27. Program & Abstracts, 845. E138. Pósfai, M., Axisa, D., Tompa, É., Freney, E., Bruintjes, R. and Buseck, P.R. (2010) Interaction of mineral dust with pollution and clouds: an individual-particle study of atmospheric aerosol from Saudi Arabia 20th General Meeting of the International Mineralogical Association, Budapest, August 21-27. Program & Abstracts, 332. E137. Csákberényi-Nagy, D., Maróti, B., Rečnik, A., Samardžija, Z. and Pósfai, M. (2010) Synthesis and aging of nanocrystalline FeS. 20th General Meeting of the International Mineralogical Association, Budapest, August 21-27. Program & Abstracts, 847. E136. Pósfai, M. (2010) Egyedi légköri aeroszol részecskék tulajdonságai és éghajlati hatásai. Babes-Bolyai Egyetem, Kolozsvár, 2010. május 17. (meghívott szemináriumi előadás) E135. Pósfai, M. (2010) Magnetic biominerals. Babes-Bolyai Egyetem, Kolozsvár, 2010. május 17. (meghívott szemináriumi előadás) E134. Pósfai, M. (2010) Physical and chemical properties of individual atmospheric aerosol particles. University of Copenhagen, April 27 (invited). E133. Pósfai M. (2010) Az Akadémiától Afganisztánig. Ünnepi tudományos ülés a 75 éves Mészáros Ernő tiszteletére. Budapest, MTA, április 15. E132. Pósfai, M. (2010) Magnetic biominerals. Bio-Geo-Kolloquium, University of Jena, April 13, 2010. (invited) E131. Pósfai, M. (2010) Transmission electron microscopy studies of individual atmospheric aerosol particles. Workshop on „Microanalytical Techniques in Applied Earth Sciences, Belgrade, February 18. (invited) E130. Pósfai M. és Nyirő-Kósa I. (2010) Elektron-energiaveszteségi spektroszkópia (EELS). 5. Téli Ásványtudományi Iskola, Balatonfüred, Január 22-23. E129. Pósfai M. (2009) Bioásványok és biomimetikus kristályszintézis. „Innováció a földtudományokban” előadóülés, MTA Földtudományok Osztálya, Budapest, nov. 11. E128. Salma, I., Pósfai, M., Kovács, K., Kuzman, E., Homonnay, Z., Posta, J. (2009) Chemical species of transition metals in the aerosol particles of a metropolitan underground railway station. European Aerosol Conference 2009, Karlsruhe, Abstract T051A06. E127. Csákberényi Nagy, D., Rečnik, A., and Pósfai, M. (2009) Crystallization and phase transition of mackinawite (FeS). MinPet2009 and 4th Mineral Sciences in the Carpathians Conference, Budapest, Sept. 7-11. (Mitt. Österr. Miner. Ges. 155, S46.) E126. Nyirő-Kósa, I., Csákberényi Nagy, D., Dódony, I., Rečnik, A., and Pósfai, M. (2009) Structures and compositions of maghemite nanoparticles. MinPet2009 and 4th Mineral Sciences in the Carpathians Conference, Budapest, Sept. 7-11. (Mitt. Österr. Miner. Ges. 155, S117.) E125. Pósfai, M. (2009) Biominerals. MinPet2009 and 4th Mineral Sciences in the Carpathians Conference, Budapest, Sept. 7-11. (invited talk) E124. Pósfai, M., Nyirő-Kósa, I., Csákberényi Nagy, D., Faivre, D., Kasama, T., Dunin-Borkowski, R.E. (2009) The mineralogy of magnetosomes. 11th Scientific Assembly of the International Association of Geomagnetism and Aeronomy, Sopron, August 23-30. (invited talk). E123. Pósfai, M., Dunin-Borkowski, R.E., Kasama, T., Chong, R.K.K., Simpson, E.T. and Buseck, P.R. (2009) Biomineralization and magnetism in magnetotactic bacteria. Microscopy and Microanalysis 15, (Suppl. 2), 90-91. Microscopy & Microanalysis 2009 Meeting, Richmond, VA, July 26-30. (invited talk) E122. Pósfai, M., Axisa, D., Bruintjes, R., Buseck, P.R. (2009) Individual particles in atmospheric dust from Saudi Arabia. Goldschmidt Conference, Davos, June 21-26. (Goldschmidt Conference Abstracts A1045.) E121. Nyírő-Kósa I., Csákberényi Nagy D., Dódony I., Rečnik, A., Pósfai M. (2009) Structural variations in nanocrystalline iron oxides and sulfides. Goldschmidt Conference, Davos, June 21-26. (Goldschmidt Conference Abstracts A957.) E120. Csákberényi Nagy D., Nyírő-Kósa I., Rečnik, A., Dódony I., Pósfai M. (2009) Vas-szulfidok kristályosodása és fázisátalakulásai. Magyar Mikroszkópos Konferencia, Siófok, május 21-23. (http://picasso.elte.hu/microscopy/program2009.html) E119. Turóczi B., Hoffer A., Hartyáni Zs., Pósfai M., Gelencsér A. (2009) A cementpor mint a PM10 sőt PM2.5 aeroszol egyik lehetséges forrása. IX. Magyar Aeroszol Konferencia, Balatonfüred, április 27-28. E118. Salma I., Pósfai M., Kuzman E., Homonnay Z., Posta J. (2009) Aeroszol részecskék és egészségügyi hatásaik a budapesti metróban. IX. Magyar Aeroszol Konferencia, Balatonfüred, április 27-28. E117. Pósfai M. (2009) The nature and climate effects of atmospheric aerosol particles. America Week, Veszprém (invited seminar talk). E116. Pósfai M. (2009) Ásványok légköri jelentősége. 4. Téli Ásványtudományi Iskola, Balatonfüred, Január 16-17. E115. Buseck, P.R., Adachi, K., Freney, E., Kojima, T., Li, W., Pósfai, M. (2008) Atmospheric aerosols – unique insights from transmission electron microscopy. American Geophysical Union Fall Meeting, San Francisco, December 15-19. E114. Pósfai M. (2008) Mágneses bioásványok. VEAB Közgyűlés, Veszprém, dec. 6. E113. Pósfai M. (2008) Bioásványok. Pannon Tudományos Műhelyek sorozat, Veszprém, dec. 3. E112. Pósfai M. (2008) Mágneses nanoásványok baktériumokban és más élőlényekben. MTA Földtudományok Osztálya, Budapest, szept. 30. E111. Pop, D. Constantinescu, B., Pósfai, M., Pekker, P., Vasilescu, A. and Ceccato, D. (2008) Mineralogical and geochemical features of Romanian gold. 6th International Conference on Mineralogy and Museums, Colorado School of Mines, Golden Colorado USA, September 7-9, 2008. E110. Lukács, H., Sciare, J., Gelencsér, A., Pósfai, M., Zorn, S. (2008) Occurrence and possible sources of non-MSA organic aerosol in the Southern Atlantic. IGAC 10th International Conference, Annecy, 7-12 September 2008. E109. Dunin-Borkowski, R.E., Kasama, T. and Pósfai, M. (2008) Magnetic microstructure of closely-spaced ferrimagnetic crystals in magnetotactic bacteria. Europhysics Conference Abstract Volume 32F (ISBN 2914771541), MONPL.1. Paper presented at the 22nd General Conference of the Condensed Matter Division of the European Physical Society (CMD-22), Rome, 25-29 August 2008. (invited talk) E108. Dunin-Borkowski, R.E., Kasama, T., Pósfai, M. Chong, R.K.K., Simpson, E.T., Dobson, J. and Collingwood, J.F. (2008) Off-axis electron holography of magnetic fields in biological materials. Microscopy and Microanalysis 14, 54-55. Paper presented at Microscopy and Microanalysis, Albuquerque, 3-7 August 2008. (invited talk) E107. Kasama, T., Pósfai, M., Chong, R.K.K., Simpson, E.T., Buseck, P.R., Frankel, R.B., Harrison, R.J. and Dunin-Borkowski, R.E. (2008) The role of iron sulfide crystals in magnetotactic bacteria for magnetotaxis: A transmission electron microscopy study. Workshop on Magnetotactic Bacteria, Balatonfüred, 9-11 June 2008. E106. Dunin-Borkowski, R.E., Kasama T., and Pósfai M. (2008) Advanced electron microscopy techniques for studying magnetosomes in magnetotactic bacteria. Workshop on Magnetotactic Bacteria, Balatonfüred, 9-11 June 2008. E105. Faivre, D., Böttger, L., Pósfai, M., Kasama, T., Simpson, E.T., Matzanke, B.F., Dunin-Borkowski, R.E., Schüler, D. (2008) Magnetosome biomineralization and chain arrangement in magnetotactic bacteria. Workshop on Magnetotactic Bacteria, Balatonfüred, 9-11 June 2008. E105. Pósfai, M. (2008) The mineralogy of magnetosomes: facts and problems. Workshop on Magnetotactic Bacteria, Balatonfüred, 9-11 June 2008. E104. Kósa I., Csákberényi Nagy D., Pósfai M. (2008) Synthesis and properties of magnetite nanoparticles. Workshop on Magnetotactic Bacteria, Balatonfüred, 9-11 June 2008. E103. Pósfai M., Kasama, T., Simpson, E.T., Faivre, D., Schüler, D., Dunin-Borkowski, R.E. (2008) Magnetic microstructure of chains and clusters of iron oxide and sulfide nanocrystals in bacteria. Functional Nanostructures and Particles, Portoroz, 26-30 May 2008. (invited talk) E102. Pósfai M., Kósa I., Faivre, D., Menguy, N., Schüler, D., Simpson, E.T., Kasama, T., Dunin-Borkowski, R.E. (2008) Magnetit nanokristályok nukleációja és növekedése mágneses baktériumokban. A Magyar Mikroszkópos Társaság konferenciája, Balatonalmádi, 15-17 May 2008. E101. Kósa I., Csákberényi Nagy D., Pósfai M. (2008) Szintetikus vas-oxid nanokristályok tulajdonságai: méreteloszlás, alak, összetétel. A Magyar Mikroszkópos Társaság konferenciája, Balatonalmádi, 15-17 May 2008. E100. Dunin-Borkowski, R.E., Kasama, T., Pósfai, M., Chong, R.K.K., Simpson, E.T., Dobson, J. and Collingwood, J.F. (2008) Off-axis electron holography of magnetic fields in biological materials. Microscopy & Microanalysis 2008 Meeting, Albuquerque, August 3-7. E99. Kasama, T., Pósfai, M., Chong, R.K.K., Buseck, P.R., Frankel, R.B., Harrison, R.J. and Dunin-Borkowski, R.E. (2008) Quantitative transmission electron microscopy of iron oxide and sulfide nanocrystals in magnetotactic bacteria. European Geosciences Union General Assembly, Vienna, April 13-18. Geophysical Research Abstracts, 10, xxxx. E98. Feinberg, J.M., Galindo-Gonzalez, C., Kasama, T., Cervera, L., Pósfai, M., Harrison, R.J. and Dunin-Borkowski, R.E. (2007) Synthetic clay-magnetite aggregates designed for controlled deposition experiments. Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract GP33E-04 (American Geophysical Union Fall Meeting, San Francisco, December 10-14). E97. Pósfai, M., Kósa, I., Csákberényi Nagy, D., Faivre, D., Menguy, N., and Schüler, D. (2007) Size distributions and morphologies of synthetic and biogenic magnetite nanoparticles. Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract B31D-0625 (American Geophysical Union Fall Meeting, San Francisco, December 10-14). E96. Kis, V. K., Pósfai, M., Lábár, J. and Dódony, I. (2007) Electron diffraction analysis of amorphous geological materials. 24th European Crystallography Meeting, Marrakech. E95. Kósa, I., Csákberényi Nagy, D. and Pósfai, M. (2007) Synthesis and properties of magnetite nanoparticles. Frontiers in Mineral Sciences, Cambridge, June 26-28, Programme and Abstracts, 143-144. E94. Simpson E.T., Kasama T., Kósa I., Pósfai M., Faivre D., Scheffel A., Schüler D. and Dunin-Borkowski R.E (2007) Nanoparticulate magnetic minerals in bacteria: properties and functions. Proceedings of the 8th Multinational Congress on Microscopy, 137-140. June 17-21, 2007 Prague. (Invited talk) E93. Pósfai M. (2007) Atomi erőmikroszkópia. MTA GKI, “A környezetgeokémia korszerű módszerei IV.” Budapest, május 31. (meghívott előadás). E92. Pósfai M. (2007) Nanomágnesek baktériumokban. MTA SZKFI, Budapest, április 24. (Meghívott szemináriumi előadás) E91. Pósfai M. (2007) Mágneses érzékelés baktériumokban és egyéb előlényekben. “Tudomány egy órában” előadássorozat, Zenta, Szerbia, március 15. (Meghívott előadás) E90. Pósfai, M. (2007) Biogén eredetű mágneses nanokristályok. ELTE, Anyagfizikai Tanszék, február 27. (Meghívott szemináriumi előadás) E89. Pósfai, M. (2007) Biomagnetism. “Conference on Magnetic Interactions”, Department of Earth Sciences, University of Cambridge, Cambridge, January 9. (Invited talk) E88. Pósfai, M. (2006) Magnetic biominerals. Université Fribourg, December 19. (Invited seminar talk) E87. Kovács Kis, V., Pósfai, M. and Lábár, J. (2006) SAED study of atmospheric soot particles implies hydrogen content. 5th Workshop on EELS/EFTEM, 27-29 September, Vienna Program and Abstracts, 33. E86. Pósfai, M., Kasama, T., Simpson, E.T., Chong, R.K.K., Kósa, I., Scheffel, A., Schüler, D. and Dunin-Borkowski, R.E. (2006) Magnetic microstructures of chains and clusters of iron oxide and sulfide nanocrystals in bacteria. Conference on Nanobiophysics, Szeged, September 3-7. (Invited talk) E85. Pósfai, M., Kasama, T., Simpson, E.T., Chong, R.K.K. and Dunin-Borkowski, R.E. (2006) Nanoscale magnetic properties of iron minerals in bacteria. 23rd European Crystallography Meeting, Leuven, August 6-11, Abstracts, p. s39. (Invited talk) E84. Pósfai, M., Kasama, T., Simpson, E.T., Chong, R.K.K., Kósa, I., Scheffel, A., Schüler, D. and Dunin-Borkowski, R.E. (2006) Spatial arrangements and magnetic properties of oxide and sulfide magnetosomes in magnetotactic bacteria. 19th General Meeting of the International Mineralogical Association, Kobe, July 23-28. Program & Abstracts, 251. (Invited talk) E83. Pósfai, M., Simonics, R., Kovács Kis, V. and Lábár, J. (2006) Compositions, structures, and surface properties of carbonaceous aerosol particles from the continental atmosphere. 19th General Meeting of the International Mineralogical Association, Kobe, July 23-28. Program & Abstracts, 268. E82. Pósfai, M. (2006) Bacterial nanomagnets: physical and chemical properties, biological function and possible applications. International workshop on low-temperature geochemistry for understanding sustainable metabolic systems. Sapporo, July 20-21. (Invited talk) E81. Dobson, J., Collingwood, J.F., Davidson, M.R., Pankhurst, Q.A., Mikhaylova, A., Hautot, D., Dunin-Borkowski, R.E., Pósfai, M., Kasama, T., Chong, R.K.K., and Batich, C. (2006) Iron and Alzheimer's disease: New insights from novel imaging techniques. 10th International Conference on Alzheimer’s Disease and Related Disorders, Madrid, v.2, issue 3, Suppl.1, S482. E80. Pósfai M. (2006) Mágneses nanokristályok élő szervezetekben. MTA Földtudományok Osztályának közgyűlési osztályülése, 2006. május 10. E79. Pósfai, M., Kósa, I., Kasama, T., Chong, R.K.K., Simpson, E.T., Finlayson, A.P., Dunin-Borkowski, R.E., Buseck, P.R., and Frankel, R.B. (2006) Relationships between the properties of ferrimagnetic nanocrystals and biological control over crystal growth in magnetotactic bacteria. 3rd Mineral Sciences in the Carpathians Conference, Miskolc, March 9-10. Acta Mineralogica-Petrographica Szeged, Abstract Series 5, 97. E78. Tuba, Gy., Kiss, P., Pósfai, M., and Mindszenty, A. (2006) Preliminary data on te diagenesis of Cretaceous dinosaur bones from the Bakony Mts., Hungary. 3rd Mineral Sciences in the Carpathians Conference, Miskolc, March 9-10. Acta Mineralogica-Petrographica Szeged, Abstract Series 5, 121. E77. Pósfai M. (2006) Mágnesség a nanotartományban. Nanoásványtani Ankét, Balatonfüred, Január 19-20. E76. Pósfai M. (2006) Bio-nanoásványok. Nanoásványtani Ankét, Balatonfüred, Január 19-20. E75. Frankel, R.B., Kasama, T., Chong, R.K.K., Finlayson, A.P., Pósfai, M., Dunin-Borkowski, R.E. (2005) Electron tomography and holography of crystal morphology and magnetic microstructure of iron sulfide crystals in magnetotactic bacteria. 7th Latin American Workshop on Magnetism, Magnetic Materials and Their Applications, Renaca, Chile, December 12-15. E74. Simonics R. és Pósfai M. (2005) Aeroszol részecskék a kontinentális légkörben: egyedi részecskék fizikai és kémiai tulajdonságai. Pannon Tudományos Napok, Nagykanizsa, október 12. http://www.veab.mta.hu/aktualis/ptnosszefoglalo.doc E73. Pósfai, M., Kósa, I., Simpson, E.T, Chong, R.K.K., Kasama, T., Kristóf, Z. and Dunin-Borkowski, R.E. (2005) Variations in the morphologies and magnetic properties of magnetite crystals in bacteria. XX Congress of the International Union of Crystallography, Florence, August 23-31. Book of Abstracts, C379-C380. E72. Pósfai, M., Dunin-Borkowski, R.E., Kasama, T., Chong, R.K.K., Simpson, E.T, Finlayson, A., Buseck, P.R., Frankel, R.B. and Harrison, R.J. (2005) Iron oxides and sulfides in magnetotactic bacteria: electron holography of magnetic microstructure and electron tomography of crystal morphology. Proceedings of the 7th Multinational Congress on Microscopy, 26-30 June 2005 Portoroz, Slovenia, p. 87-90. (Invited talk) E71. Pósfai M., Simpson, E.T., Kasama, T, Chong, R.K.K., Frankel, R.B., and Dunin-Borkowski, R.E. (2005) Magnetit és greigit kristályláncok mágneses baktériumokban: a mágneses mikroszerkezet és kristálymorfológia vizsgálata elektron holográfia és tomográfia alkalmazásával. Annual Meeting of the Hungarian Society for Microscopy, Balatonalmádi, 26-28 May 2005, http://picasso.elte.hu/microscopy/posfai2005.pdf. E70. Dunin-Borkowski, R.E., Chong, R.K.K., Kasama, T., Finlayson, A., Pósfai, M., Buseck, P.R. and Frankel, R.B. (2005) Physical and magnetic microstructure and three-dimensional arrangement of greigite crystals in magnetotactic bacteria. European Geosciences Union, Vienna, April 24-29. Geophysical Research Abstracts, 7, 06153. E69. Kósa, I., Kristóf, Z., Dunin-Borkowski, R.E. and Pósfai, M. (2005) Seasonal variations in the population of freshwater magnetococci, and the spatial arrangement of magnetosomes in cells. European Geosciences Union, Vienna, April 24-29. Geophysical Research Abstracts, 7, 06126. E68. Simpson, E.T, Kasama, T., Chong, R.K.K., Pósfai, M., Dunin-Borkowski, R.E. and Harrison, R.J. (2005) Magnetic induction mapping of magnetite crystals above and below the Verwey transition using electron holography. European Geosciences Union, Vienna, April 24-29. Geophysical Research Abstracts, 7, 01292. E67. Simonics, R. and Pósfai, M. (2005) Single carbonaceous aerosol particles from the continental atmosphere. European Geosciences Union, Vienna, April 24-29. Geophysical Research Abstracts, 7, 04719. E.66. Simpson, E.T., Kasama, T., Chong, R.K.K., Pósfai, M., Harrison, R.J., and Dunin-Borkowski, R.E. (2005) Magnetic induction mapping of magnetite nanocrystals above and below the Verwey transition using electron holography. Poster presented at "SET for Britain", House of Commons, London, 14 March 2005. E65. Pósfai, M. (2004) The properties and environmental effects of individual atmospheric aerosol particles. Department of Crystallography, Mineralogy and Mineral Deposits, University of Barcelona and Jaume Almera Earth Sciences Institute, Barcelona, December 1 (Invited talk). E64. Dunin-Borkowski, R.E., Harrison, R.J., Pósfai, M. and Frankel, R.B. (2004) Electron holography of nanomagnets in rocks and bacteria. International Conference on Fine Particle Magnetism, London, 20-22 September 2004. Invited paper. E63. Pósfai, M., Arató, B., Schüler, D., Flies, C., Bazylinski, D.A, and Frankel, R.B. (2004) Iron oxide and sulfide minerals from magnetotactic bacteria. Proceedings of the 13th European Microscopy Congress, Antwerp, August 22-27, p. 545-546. (Invited talk) E62. Simonics, R. and Pósfai, M. (2004) Properties of aerosol particles measured using atomic force microscopy. European Aerosol Conference, Budapest, September 6-10. Journal of Aerosol Science 35, Supplement I, S351-S352. E61. Pósfai M. és Simonics R. (2004) Atomi erőmikroszkópia környezettudományi alkalmazásai. Annual Meeting of the Hungarian Society for Microscopy, Balatonalmádi, 27-29 May 2004. (Invited talk) E60. Arató, B., Schüler, D., Flies, C., Bazylinski, D., Frankel, R., Buseck, P., Dódony, I., and Pósfai, M. (2004) Intracellular magnetite and extracellular hematite produced by Desulfovibrio magneticus strain RS-1. 1st General Assembly of the European Geosciences Union, Nice. Geophysical Research Abstracts 6, 03071. E59. Arató, B. and Pósfai, M. (2004) Magnetite and greigite crystal size distributions as biomarkers. 1st General Assembly of the European Geosciences Union, Nice. Geophysical Research Abstracts 6, 07113. E58. Pósfai M: Egyedi légköri aeroszol részecskék tulajdonságai és éghajlati-környezeti hatásaik. Magyarország környezet-geokémiai állapota I. Az MTA Geokémiai és Ásvány-Kőzettani Tudományos Bizottságának ankétja, Budapest, 2004. március 31. E57. Arató, B., Pósfai, M.: Biogén és szintetikus vas-oxid és vas-szulfid kristályok méreteloszlásai. Magyarhoni Földtani Társulat Ásványtan-Geokémiai Szakosztályának előadóülése, Budapest, 2004. március 22. E56. Pósfai, M., Gelencsér, A., Simonics, R., Arató, K., Li, J., Hobbs, P.V., and Buseck, P.R. (2003) Atmospheric Tar Balls: Particles From Biomass and Biofuel Burning. AGU Fall Meeting, San Francisco, Eos, Transactions 84, Abstract A22F-06. E55. Simonics, R. and Pósfai, M. (2003) Electron energy-filtered imaging of individual aerosol particles. European Aerosol Conference, Madrid. E54. Buseck, P.R., Pósfai, M., Dunin-Borkowski, R.E. and Weyland, M. (2003) Iron oxide and sulfide crystals as biomarkers. Microscopy & Microanalysis, San Antonio, August 3-7, Microscopy and Microanalysis 9 (Suppl 2), 242-243 (doi: 10.1017/S1431927603440725). E53. Pósfai, M. (2003) Atmospheric mineralogy: the properties of individual aerosol particles in the troposphere. Annual Meeting of the Spanish Mineralogical Society, El Puerto de Santa Maria, July 7-9, Boletín de la Sociedad Espańola de Mineralogía, 26-A, 3-4. (Invited talk.) E52. Simonics, R. and Pósfai, M. (2003) Morphologies, compositions, structures, and hygroscopic growth of carbon-bearing individual aerosol particles from the continental troposphere. EGS-AGU-EUG Joint Assembly, Nice, April 6-11, Geophysical Research Abstracts, 5, 09256. E51. Arató, B. and Pósfai, M. (2003) Crystal size distributions of magnetite from magnetotactic bacteria: Criteria for identifying biogenic particles in rocks. EGS-AGU-EUG Joint Assembly, Nice, April 6-11, Geophysical Research Abstracts, 5, 10190. E50. Pósfai, M., Arató, B., Dunin-Borkowski, R.E., Frankel, R.B., and Buseck, P. R. (2003) Structure, composition, and magnetic properties of iron minerals in magnetotactic bacteria. 2nd Mineral Sciences in the Carpathians Conference, Miskolc, March 6-8. Acta Mineralogica-Petrographica Szeged, Abstract Series 1, 88. E49. Weiszburg, T.G., Benea, M., Buda, Gy., Christofides, G., Compagnioni, R., Effenberger, H.S., Geiger, C.A., Ferraris, G., Koroneos, A., Lovas, Gy.A., Merlino, S., Müller, W.F., Pasero, M., Pop, D., Pósfai, M., Tillmanns, E., and Vaughan, D.J. (2003) General trends in the European higher education and their effects on the teaching of Mineral Sciences. 2nd Mineral Sciences in the Carpathians Conference, Miskolc, March 6-8, Acta Mineralogica-Petrographica Szeged, Abstract Series 1, 110. E48. Simonics, R., Arató, K. and Pósfai, M. (2002) Mapping carbon in individual particles from a continental aerosol. AGU Fall Meeting, San Francisco, Eos, Transactions 83, Abstract A71F-04. E47. Pósfai M. (2002) Mágneses ásványok baktériumokban. MTA Veszprémi Bizottsága, Magyar Tudomány Napja. november 8. (Év Kutatója Díj előadás) E46. Simonics, R. és Pósfai, M. (2002) Biomassza égetésből származó egyedi légköri aeroszol részecskék elektronmikroszkópos vizsgálata. XXV. Kémiai Előadói Napok, Szeged, október 28-30. Abstract kötet, 81-85. E45. Simonics, R. és Pósfai, M. (2002) Dél-Afrikai szavannaégetésből származó egyedi aeroszol részecskék tulajdonságai. VI. Magyar Aeroszol Konferencia, Debrecen, október 10-11. Abstract kötet, p. 8. E44. Pósfai M. (2002) Rétegződési hibák és az összetétel kapcsolata szulfidásványokban. Magyar Mikroszkópos Konferencia, Balatonalmádi, 2002. június 13. E43. Pósfai, M. (2002) Mineral formation in magnetotactic bacteria. Institut für Geowissenschaften, Universität Kiel, April 22. (invited) E42. Pósfai, M., Simonics, R., Li, J., Hobbs, P.V., and Buseck, P.R. (2001) Individual aerosol particle types produced by savanna burning. Eos Transactions, AGU, 82, Fall Meeting Suppl,. Abstract A42B-07. E41. Li, J., Pósfai, M., Hobbs, P.V., and Buseck, P.R. (2001) Individual-particle analysis of aerosols from southern Africa. Eos Transactions, AGU, 82, Fall Meeting Suppl,. Abstract A51A-0027. E40. Buseck, P.R., Garvie, L.A., Li, J., and Pósfai, M. (2001) Chemical Analysis of Individual Aerosol Particles by Electron Energy-Loss Spectroscopy (EELS). Eos Transactions, AGU, 82, Fall Meeting Suppl,. Abstract A11B-04. E39. Buseck, P.R., Dunin-Borkowski, R.E., Devouard, B., Frankel, R.B., McCartney, M.R., Midgley, P.A., Pósfai , M., and Weyland, M. (2001) Is magnetite from Martian meteorite ALH 84001 truly identical to that from bacteria? A TEM re-examination of the evidence. 64th Annual Meteoritical Society Meeting, #5414. E38. Pósfai, M. (2001) Magnetic minerals produced by magnetotactic bacteria. 100 Anniversary Meeting of the Austrian Mineralogical Society, Vienna, (September 24) (Invited) E37. Arató, B., Pósfai, M. and Dunin-Borkowski, R.E. (2001) Magnetic minerals produced by magnetotactic bacteria. 7th Conference of the European Ceramic Society, Bruges, 9-13 September 2001. E36. Pósfai, M., Simonics, R., Li, J., Hobbs, P.V., and Buseck, P.R. (2001) Individual aerosol particle types produced by savanna burning. SAFARI 2000 Data Workshop, Siavonga, Zambia (August 28-31). E35. Pósfai, M. (2001) Biominerals produced by magnetotactic bacteria. Department of Mineralogy, Technische Universität Darmstadt, January 30, 2001 (Invited) E34. Pósfai, M. (2001) Individual aerosol particles in the troposphere. Max Planck Institut für Chemie, Mainz, January 29, 2001 (Invited) E33. Arató, B., Cziner, K., Pósfai, M., Márton, E., and Márton, P. (2000) Magnetite and greigite from magnetotactic bacteria and from sedimentary rocks: size distributions and microstructures. Journal of Conference Abstracts, 5, 152. (10th Goldschmidt Conference, Oxford, September 3-8 2000) E32. Weiszburg, T.G., Pósfai, M., Buseck, P.R., Nagy, T., and Lovas, G.A. (2000) Re-examination of mátraite from the type locality, Gyöngyösoroszi, Mátra Mts., Hungary. Minerals of the Carpathians International Conference, Acta Mineralogica-Petrographica (Szeged) 41, Suppl. 6, 124. E31. Pósfai, M. and Arató, B., (2000) Magnetotactic bacteria and size distributions of their magnetite inclusions from Hungarian streams and lakes. Acta Minerologica-Petrographica Szeged, 41B, 57. (Biogenic Iron Minerals Symposium, Tihany, May 20-23, 2000) E30. Devouard, B., Pósfai, M., Bazylinski, D.A., Frankel, R.B., Hua, X., and Buseck, P.R, (2000) Crystal size distributions of magnetites from magnetotactic bacteria. Acta Minerologica-Petrographica Szeged, 41B, 19-20. (Biogenic Iron Minerals Symposium, Tihany, May 20-23, 2000) E29. Dunin-Borkowski, R.E., McCartney, M.R., Buseck, P.R., Pósfai, M., Frankel, R.B., and Bazylinski, D.A. (2000) Off-axis electron holography in the TEM and its application to magnetotactic bacteria. Acta Minerologica-Petrographica Szeged, 41B, 22-23. (Biogenic Iron Minerals Symposium, Tihany, May 20-23, 2000) E28. Márton, E., Márton, P., Cziner, K., and Pósfai, M. (2000) Greigite from rocks: Biogenic or non-biogenic? Acta Minerologica-Petrographica Szeged, 41B, 50-51. (Biogenic Iron Minerals Symposium, Tihany, May 20-23, 2000) E27. McCartney, M.R., Dunin-Borkowski, R.E., Smith, D.J., Frankel, R.B., Bazylinski, D.A., Pósfai M., and Buseck, P.R. (1999) Magnetic microstructure of magnetotactic bacteria by electron holography. American Physics Society Centennial Meeting, Atlanta, Georgia, 20-26 March 1999. E26. Pósfai, M., Buseck, P.R., Bazylinski, D.A., and Frankel, R.B. (1999) Conversion of mackinawite into greigite in magnetotactic bacteria. Journal of Conference Abstracts, 4, 645. (European Union of Geosciences, Strasbourg, 28 March -1 April 1999) E25. Pósfai, M., Dunin-Borkowski, R., Buseck, P.R., Bazylinski, D., and Frankel, R.B. (1999) Sulfide minerals in magnetotactic bacteria. Proceedings of the 4th Multinational Congress on Electron Microscopy (Veszprém, Hungary), 251-252. E24. Pósfai, M., Arató, K., and Molnár, Á. (1999) Mixing of organic and inorganic species in individual particles in a continental aerosol. 6th Scientific Conference of the International Global Atmospheric Chemistry Project (IGAC), Bologna, Italy, Book of Abstracts, p. 77. E23. Buseck, P.R., Pósfai, M., Li J., and Anderson, J.R. (1999) Aerosol carbon in the remote atmosphere. 9th Annual Goldschmidt Conference, August 22-27, Cambridge, MA. E22. Anderson, J. R., Pósfai, M., and Buseck, P. R. (1999) Individual particle studies of aerosols from ACE-1 and ACE-2; States of sea salt and the character of aerosol mixing in clean and polluted marine environments. 18th Annual Conference of the American Association for Aerosol Research,Tacoma, Washington, USA, October 11–15, 1999. E21. Pósfai M. (1999) Mágneses ásványok baktériumokban. Magyar Tudományos Akadémia, MTA Ásvány-Kőzettan-Geokémiai Bizottsága és Magyarhoni Földtani Társulat közös előadóülése, november 8. (Meghívott előadás) E20. Buseck, P.R., Li J., Pósfai, M., and Anderson, J.R. (1999) TEM studies of aerosols: Ideal vs. real particles. Eos, Transactions, American Geophysical Union, . (Invited) E19. Pósfai, M., Bazylinski, D.A., Frankel, R.B. and Buseck, P.R. (1998) Iron sulfide minerals and their transformations in magnetotactic bacteria. Eos, Transactions, American Geophysical Union, 79, (Invited) E18. Pósfai, M., Anderson, J.R. and Buseck, P.R. (1998) Composition, structure, and origin of atmospheric soot aerosols: Analysis of individual particles using transmission electron microscopy. 1998 Wengen Workshop on Global Change Research, p. 12. E17. Dódony, I., Pósfai, M., and Buseck, P.R. (1998) Structural study of antigorite based on HRTEM image processing. International Mineralogical Association, 17th General Meeting Abstracts Toronto. E16. Majhi, P., Devouard, B., Pósfai, M., Hua, X., Bazylinski, D.A., Frankel, R.B. and Buseck, P.R. (1997) Structural features of magnetite from magnetotactic bacteria. Meteoritics and Planetary Science, 32, A83-84. E15. Buseck, P.R., Devouard, B., Hua, X., Pósfai, M., Bazylinski, D.A. and Frankel, R.B. (1997) Biogenic iron oxides and sulfides and the controversy over life on Mars. 16th Meeting of the Brazilian Electron Microscopy Society. E14. Buseck, P.R., Pósfai, M., Xu, H. and Anderson, J.R. (1997) HRTEM study of polarity and “chemical-lattice imaging” in minerals; combined HRTEM/AFM imaging. 16th Meeting of the Brazilian Electron Microscopy Society. E13. Buseck, P.R., Devouard, B., Majhi, P., Pósfai, M., Bazylinski, D.A. and Frankel, R.B. (1997) Bacterial magnetite and Fe sulfides. Annual Meeting of the Geological Society of America, Abstracts, A 129. E12. Pósfai, M., Anderson, J.R. and Buseck, P.R. (1997) Soot and sulfate aerosol particles in the remote marine atmosphere. Annual Meeting of the Geological Society of America, Abstracts A 357. E11. Pósfai, M., Sharp, T.G. and Kontny, A. (1997) Pyrrhotite varieties and their magnetic properties in rocks from the German Continental Deep-Drilling Project (KTB). Annual Meeting of the Geological Society of America, Abstracts, A 460. E10. Pósfai, M., Anderson, J.R. and Buseck, P.R. (1997) Soot and sulfate aerosol particles in the remote marine atmosphere. Eos, Transactions, American Geophysical Union, 78, F97. E9. Dódony, I., Pósfai, M. and Buseck, P.R. (1996) Structural variations in shattuckite, a copper silicate mineral. 3rd International Conference on Mineralogy and Museums, Budapest, Acta Miner. Petr. 37, Supplementum, 32. E8. Pósfai, M., Anderson, J.R. and Buseck, P.R. (1996) Inorganic aerosol particles in the marine atmosphere and their impact on climate. Annual Meeting of the Geological Society of America, Abstracts with Programs, A456. E7. Dódony, I., Pósfai, M. and Buseck, P.R. (1994) Structural relationship between pyrite and marcasite. International Mineralogical Association, 16th General Meeting Abstracts, 100. E6. Pósfai, M. and Buseck, P.R. (1993) Relationship between microstructure and composition in enargite and luzonite. Annual Meeting of the Geological Society of America, Abstracts with Program, A 147. E5. Pósfai, M., Anderson, J.R., Buseck, P.R. and Sievering, H. (1993) Compositional variations of sea-salt-mode aerosol particles from the North Atlantic. Eos, Transactions, American Geophysical Union, 74, 109. E4. Pósfai, M., Anderson, J.R., Buseck, P.R., Shattuck, T.W. and Tindale, N.W. (1992) Constituents of a marine aerosol: A TEM study. Eos, Transactions, American Geophysical Union, 73, 96. E3. Pósfai, M. and Buseck, P.R. (1992) The domain structure of chalcocite and djurleite. Annual Meeting of the Geological Society of America, Abstracts with Program, A 116. E2. Pósfai, M. and Dódony, I. (1990) The real structure of enargite. Acta Crystallographica, A46, C-259. E1. Dódony, I. and Pósfai, M. (1990) Polymorphism of the 4C and 5C pyrrhotites. Zeitschrift für Kristallographie, Suppl. 2, 55.