Figure 7.

4-NP reduction by NaBH4 in the presence of catechin-AuNPs catalyst. (A) UV-visible spectra and (B) a plot of ln(Ct/C0) as a function of time (min).

Choi et al. Nanoscale Research Letters 2014 9:103   doi:10.1186/1556-276X-9-103
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