Process for producing zinc oxide-protein complex

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Metal containing – e.g. – chromoproteins – ferritin,...

Reexamination Certificate

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C438S001000

Reexamination Certificate

active

07834160

ABSTRACT:
An object of the present invention is to obtain a zinc oxide-protein complex which can be a source of nanoparticles of zinc oxide utilizing a protein having a cavity inside thereof. The process for producing a zinc oxide-protein complex according to the present invention includes a hydrogen peroxide addition step for adding hydrogen peroxide so that the concentration would be 60 mM or greater and 150 mM or less to a buffer containing a protein having a cavity inside thereof such as ferritin, zinc ion, and ammonia.

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Daniel Price, et al., “Ferritin: A zinc detoxicant and a zinc ion donor,” Proc. Natl. Acad. Sci., May 1982, pp. 3116-3119, vol. 79.
Mauricio Ortega-Lopez, “Improved efficiency of the chemical bath deposition method during growth of ZnO thin films,” Materials Research Bulletin, 2003, pp. 1241-1248, vol. 28 (abstract only).

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