Fermentative process for making inorganic nanoparticles

Phelps, Tommy J.; Lauf, Robert J.; Moon, Ji-Won; Roh, Yul

Fermentative process for making inorganic nanoparticles

Patent · 13 June 2006

OSTI ID:1175788

Phelps, Tommy J.; Lauf, Robert J.; Moon, Ji-Won; Roh, Yul

A method for producing mixed metal oxide compounds includes the steps of: providing a supply of a metal reducing bacteria; providing a culture medium suitable for growth of the bacteria; providing a first mixed metal oxide phase comprising at least a first and a second metal, at least one of the first and second metal being reducible from a higher to a lower oxidation state by the bacteria; and, combining the bacteria, the culture medium, the first mixed metal oxide, and at least one electron donor in a reactor, wherein the bacteria reduces at least one of the first metal and the second metal from the higher to the lower oxidation state to form a second mixed metal oxide phase.

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 7,060,473

Application Number:: 11/227,586

OSTI ID:: 1175788

Country of Publication:: United States

Language:: English

References (9)

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Physiochemical, mineralogical, and isotopic characterization of magnetite-rich iron oxides formed by thermophilic iron-reducing bacteria Zhang, Chuanlun; Liu, Shi; Phelps, Tommy J. Geochimica et Cosmochimica Acta, Vol. 61, Issue 21 https://doi.org/10.1016/S0016-7037(97)00257-3	journal	November 1997
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Anaerobic production of magnetite by a dissimilatory iron-reducing microorganism Lovley, Derek R.; Stolz, John F.; Nord, Gordon L. Nature, Vol. 330, Issue 6145 https://doi.org/10.1038/330252a0	journal	November 1987
Dissimilatory Metal Reduction Lovley, Derek R. Annual Review of Microbiology, Vol. 47, Issue 1 https://doi.org/10.1146/annurev.mi.47.100193.001403	journal	October 1993
Geology and Stable Isotope Geochemistry of the Biwabik Iron Formation, Northern Minnesota Perry, E. C.; Tan, F. C.; Morey, G. B. Economic Geology, Vol. 68, Issue 7 https://doi.org/10.2113/gsecongeo.68.7.1110	journal	November 1973
Magnetic Microstructure of Magnetotactic Bacteria by Electron Holography Dunin-Borkowski, R. E. Science, Vol. 282, Issue 5395 https://doi.org/10.1126/science.282.5395.1868	journal	December 1998
Enhancement of Fe(III), Co(III), and Cr(VI) reduction at elevated temperatures and by a thermophilic bacterium Zhang, Chuanlun; Liu, Shi; Logan, John Applied Biochemistry and Biotechnology, Vol. 57-58, Issue 1 https://doi.org/10.1007/BF02941773	journal	March 1996

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