Mixed oxide nanoparticles and method of making
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United States of America Patent
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Sep 3, 2002
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app pub date -
Oct 28, 1999
filing date -
Oct 28, 1999
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Abstract
Methods and apparatus for producing mixed oxide nanoparticulates are disclosed. Selected thermophilic bacteria cultured with suitable reducible metals in the presence of an electron donor may be cultured under conditions that reduce at least one metal to form a doped crystal or mixed oxide composition. The bacteria will form nanoparticles outside the cell, allowing easy recovery. Selection of metals depends on the redox potentials of the reducing agents added to the culture. Typically hydrogen or glucose are used as electron donors.
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