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Silver biomimetic mineralization in vitro with inorganic-binding peptide AG4 (NPSSLFRYLPSD) immobilized on PET film
作者:Zhang X, Chen JC, Yang P, Yang WT
關(guān)鍵字:inorganic-binding peptides; PET film; silver micro-crystallite; molecular biomimetics
論文來源:期刊
具體來源:CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
發(fā)表時間:2006年

AG4 (NPSSLFRYLPSD)is a peptide that specifically and selectively binds to silver resulting from Dr. Stony's phage display peptide combination library. The peptides that have similar characteristic are defined as inorganic-binding peptides. In our experiment, AG4 was adsorbed on the surface of protonated PET-N (CH3)(2) film for studying its biomineralization behavior in vitro. Based on the XPS results of both silver crystallite on AG4/PET-N+ (CH3)(2) film and AgNO3 salt, we approved that Ag+ exactly reduced to Ag-0 and further formed silver crystallites. In addition, the images of SEM revealed that silver crystallite was 1-2 mu m in size with a square shape and a triangular shape. At last, we discussed the reaction mechanism possibly occurring in this process.

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