4 years ago

Versatile Dual Photoresponsive System for Precise Control of Chemical Reactions

Versatile Dual Photoresponsive System for Precise Control of Chemical Reactions
Wei Bing, Xiaogang Qu, Jinsong Ren, Can Xu, Faming Wang
A versatile method for photoregulation of chemical reactions was developed through a combination of near-infrared (NIR) and ultraviolet (UV) light sensitive materials. This regulatory effect was achieved through photoresponsive modulation of reaction temperature and pH values, two prominent factors influencing reaction kinetics. Photothermal nanomaterial graphene oxide (GO) and photobase reagent malachite green carbinol base (MGCB) were selected for temperature and pH regulation, respectively. Using nanocatalyst- and enzyme-mediated chemical reactions as model systems, we demonstrated the feasibility and high efficiency of this method. In addition, a photoresponsive, multifunctional “Band-aid”-like hydrogel platform was presented for programmable wound healing. Overall, this simple, efficient, and reversible system was found to be effective for controlling a wide variety of chemical reactions. Our work may provide a method for remote and sustainable control over chemical reactions for industrial and biomedical applications.

Publisher URL: http://dx.doi.org/10.1021/acsnano.7b01450

DOI: 10.1021/acsnano.7b01450

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