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|Title:||Synergetic catalytic effect of α-cyclodextrin on silver nanoparticles loaded in thermosensitive hydrogel|
|Other Titles:||Synergetic catalytic effect of alpha-cyclodextrin on silver nanoparticles loaded in thermosensitive hydrogel|
|Citation:||Colloid and Polymer Science: Kolloid-Zeitschrift und Zeitschrift fuer Polymere, 2016; 294(6):1087-1095|
|Mengxue Wang, Jie Wang, Yiming Wang, Chang Liu, Jianjia Liu, Zhiqiang Qiu, Yisheng Xu, Stephen F. Lincoln, Xuhong Guo|
|Abstract:||Thermosensitive poly(NIPAAm-co-AMPS) hydrogels were prepared by copolymerization of N-isopropyl acrylamide (NIPAAm) and 2-acrylamido-2-methyl 1-propansulfonic acid (AMPS) by employing N,N′- methylenebis(acrylamide) (BIS) as cross-linker. Uniformly distributed silver nanoparticles (Ag-NP) were obtained within hydrogel networks as nanoreactors via in situ reduction of silver nitrate (AgNO3) using sodium borohydride (NaBH4) as reducing agent. The catalytic properties of Ag-NP-poly(NIPAAm-co-AMPS) hydrogels presented obvious temperature dependence upon the reduction of 4-nitrophenol (4-NP) in aqueous solution. Interestingly, the addition of α-cyclodextrin (α-CD) could further enhance the reduction rate and change the associated activation parameters. This advanced catalytic system with temperature dependence and α-CD synergetic effect presented promising applications in catalytic chemistry.|
|Keywords:||Thermosensitive hydrogel; Ag nanoparticles; α-Cyclodextrin; Synergetic catalysis|
|Rights:||© Springer-Verlag Berlin Heidelberg 2016|
|Appears in Collections:||Aurora harvest 7|
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