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首页> 外文会议>μTAS 2002 Symposium on Micro Total Analysis Systems 2002 Vol.2 Nov 3-7, 2002 Nara, Japan >Dissolvable and Asymmetric Hydrogels as Components for Microfluidic Systems
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Dissolvable and Asymmetric Hydrogels as Components for Microfluidic Systems

机译：可溶性和不对称水凝胶作为微流体系统的组成部分

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摘要

We demonstrate the development of novel hydrogel materials by controlling the crosslink density. A pH-responsive hydrogel with a crosslink density gradient, created by laminar flow and diffusion, showed asymmetric swelling during volume transition. Hydrogels with cleavable crosslinkers have also been designed and fabricated inside microfluidic channels. Upon exposure to reagents that can chemically cleave such crosslinkers, the de-crosslinked hydrogels dissolve completely, making them promising as sacrificial structures and sensors for microfluidics.
机译：我们通过控制交联密度证明了新型水凝胶材料的发展。由层流和扩散产生的具有交联密度梯度的pH响应水凝胶在体积转变过程中显示出不对称溶胀。具有可裂解的交联剂的水凝胶也已经在微流体通道内设计和制造。暴露于可以化学裂解此类交联剂的试剂后，去交联的水凝胶会完全溶解，这使其有可能作为微流体的牺牲结构和传感器。

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