12-07-2012 дата публикации
Номер: US20120178145A1
Принадлежит:
A variety of compositions that include a metal oxide, films and batteries comprising one or more of the compositions, and methods of making the same. 1. A composition comprising:a metal oxide coordinated to a first peptide, the first peptide exhibiting an affinity for a reduced form of the metal.2. The composition of claim 1 , wherein the metal comprises a transition metal.3. The composition of claim 1 , wherein the metal is selected from cobalt claim 1 , vanadium claim 1 , nickel claim 1 , manganese claim 1 , iron claim 1 , cadmium claim 1 , tungsten claim 1 , chromium claim 1 , zirconium claim 1 , titanium claim 1 , scandium claim 1 , yttrium claim 1 , copper claim 1 , calcium claim 1 , aluminum claim 1 , barium claim 1 , beryllium claim 1 , magnesium claim 1 , and strontium.4. The composition of claim 1 , wherein the metal oxide is an oxidized metal nanoparticle.5. The composition of claim 1 , wherein the metal oxide can intercalate lithium ions.6. The composition of claim 1 , wherein the first peptide includes carboxylated amino acids.7. The composition of claim 6 , wherein the sequence is AEEEED (SEQ ID: 1) and the metal is cobalt.8. The composition of claim 1 , wherein the peptide is part of a virus.9. The composition of claim 8 , further comprising a second peptide that selectively binds a predetermined metal selected from copper claim 8 , nickel claim 8 , gold claim 8 , silver claim 8 , platinum claim 8 , and palladium.10. The composition of claim 9 , wherein the second peptide is LKAHLPPSRLPS (SEQ ID: 2) and the predetermined metal is gold.11. The composition of claim 9 , further comprising the predetermined metal.12. The composition of claim 11 , wherein the predetermined metal is between about 1% and about 30% of the metal coordinated to a protein coat of the virus.13. The composition of claim 12 , wherein the predetermined metal is between about 15% and about 30% of the metal coordinated to a protein coat of the virus.14. The composition of claim 9 , ...
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