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首页> 外文期刊>Lab on a chip >Fabrication of poly(methyl methacrylate)capillary electrophoresis microchips by in situ surface polymerization
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Fabrication of poly(methyl methacrylate)capillary electrophoresis microchips by in situ surface polymerization

机译：原位表面聚合制备聚甲基丙烯酸甲酯毛细管电泳微芯片

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摘要

A novel method based on in situ surface polymerization of methyl methacrylate(MMA)has been developed for the rapid fabrication of poly(methyl methacrylate)(PMMA)capillary electrophoresis(CE)microchips.MMA containing both thermal and ultraviolet(UV)initiators was allowed to prepolymerize in a water bath to form a fast curing molding solution that was subsequently sandwiched between a nickel template and a PMMA plate.The images of the raised microchannels on the nickel template were precisely replicated into the synthesized PMMA substrates during the UV-initiated polymerization of the molding solution within 30 min under ambient temperature.The attractive performances of the novel PMMA microchips have been demonstrated in connection with amperometric detection for the separation and detection of several model analytes.The new approach significantly simplifies the process for fabricating PMMA devices and could be applied to other materials that undergo light-initiated polymerization.
机译：为了快速制备聚甲基丙烯酸甲酯（PMMA）毛细管电泳（CE）微芯片，开发了一种基于甲基丙烯酸甲酯（MMA）原位表面聚合的新方法。允许同时包含热引发剂和紫外线（UV）引发剂的MMA在水浴中预聚合以形成快速固化的模塑溶液，然后将其夹在镍模板和PMMA板之间。在镍引发的聚合过程中，将镍模板上凸起的微通道的图像精确复制到合成的PMMA基材中在室温下30分钟内即可完成模制溶液的制备。新型PMMA芯片的引人注目的性能已与安培检测相结合，用于分离和检测多种模型分析物，该新方法极大地简化了PMMA器件的制造过程，并且可以可用于进行光引发聚合的其他材料。

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