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. 2017 Mar 13;7:44330. doi: 10.1038/srep44330

Figure 5. Cascade reactions with UOX and Au@PVP.

Figure 5

(a) The reaction rate of UOX with different sizes of Au@PVPs (5.0 μg/mL). The measurement of 5 nM UOX reaction rate was performed at 20 mM borate buffer (pH 9.5) with 100 μM uric acid. *Indicates p < 0.05 versus UOX (two-tailed Student’s t test). (b) Degradation rates of 100 μM uric acid by 5 nM UOX alone or 5 nM UOX plus varying amounts of Au@PVP in 20 mM borate buffer (pH 9.5). (c) Time courses of 100 μM uric acid degradation by 5 nM UOX alone or 5 nM UOX plus varying amounts of Au@PVP in 20 mM borate buffer (pH 9.5). (d) Degradation rates of 100 μM uric acid by 5 nM UOX alone or 5 nM UOX plus 5.0 μg/mL Au@PVP in 20 mM borate buffer at varying pHs. Error bars represent standard deviations.