Gong Wenjun

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In this paper, glutathione (GSH)-capped gold nanoparticles (GSH-GNPs) were prepared in water media and used for the colorimetric assay of Ca2+. GSH could quickly bind onto the GNP surfaces through its –SH group and the cross-linking of GSH-capped GNPs could be quickly achieved by chelation by its functional groups (–NH2 and–COOH)(More)
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