Fig. 11From: Natural Dissociation Ratio of Carboxyl Group Controlled Highly Dispersed Silver Nanoparticles on PSA Microspheres and Their Catalytic Performancea Photograph showing the fast reduction of 4-NP passing through an nAg@PSA catalytic membrane. b UV-vis spectra of 0.12 mM 4-NP with 36 mM NaBH4 before and after passing through the nAg@PSA catalytic membrane. c The conversion rate of 4-NP during the cyclic testingBack to article page