In-situ Fabrication of Dialysis Membranes in Glass Microchannels Using Laser-induced Phase-Separation Polymerization

机译：使用激光诱导的相分离聚合技术在玻璃微通道中原位制备透析膜

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Laser-induced phase-separation polymerization of a porous acrylate polymer is used for in-situ fabrication of dialysis membranes inside glass microchannels. A shaped 355 nm laser beam is used to define polymer membranes of 4-14 μm thickness, which bond to the glass microchannel and form a semipermeable membrane. Differential diffusion through the membrane is observed for fluorescein molecules versus 200 nm latex mi-crospheres, showing the potential for this technique to integrate sample cleanup into chip-based analysis systems.

机译：多孔丙烯酸酯聚合物的激光诱导相分离聚合用于玻璃微通道内部的透析膜的原位制造。成形的355 nm激光束用于定义4-14μm厚度的聚合物膜，该膜与玻璃微通道结合并形成半透膜。与200 nm乳胶微球相比，荧光素分子在膜上存在差异扩散，这表明该技术将样品净化技术集成到基于芯片的分析系统中的潜力。

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来源
《μTAS 2002 Symposium on Micro Total Analysis Systems 2002 Vol.2 Nov 3-7, 2002 Nara, Japan》|2002年|p.742-744|共3页
会议地点 Nara(JP);Nara(JP)
作者
Brian J. Kirby; Anup K. Singh;
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作者单位

Sandia National Laboratories, Livermore, CA;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 Q8;
关键词
phase-separated polymer; filtration; dialysis; sample preparation; polymer monolith;

机译：相分离聚合物过滤透析样品制备聚合物整体;
入库时间 2022-08-26 14:10:04

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In-situ Fabrication of Dialysis Membranes in Glass Microchannels Using Laser-induced Phase-Separation Polymerization

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