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在纳米孔隙微流体封闭中对溶性相变的时空空间编程

Vamseekrishna Ulaganathan¹, Anupam Sengupta¹

¹Physics of Living Matter Group, Department of Physics and Materials Science, University of Luxembourg, 162 A, Avenue de la Faïencerie, L-1511 Luxembourg City, Luxembourg.

Journal of colloid and interface science

|June 23, 2023

概括

微流体中的纳米多孔聚二甲基 (PDMS) 表面使得分子组装的可调节相位过渡成为可能. 这种可编程路线控制材料组装,为生物组件组织提供了新的范式.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
生物物理学的生物物理.

背景情况:

微流体设备为研究分子自我组装提供了可控的环境.
纳米多孔聚二甲基 (PDMS) 表面表现出独特的吸水特性.
局限系统中的相位转换受到表面特性和几何学的影响.

研究的目的:

在微流体通道中研究由纳米孔质基质驱动的分子组合.
探索表面湿度,通道几何和地形学在调节相位过渡中的作用.
为了证明对材料组装和粒子操纵的可编程控制.

主要方法:

作为模型生物材料,利用了一种溶性染色体液晶.
雇佣时间间隔偏振成像和定量图像处理.
开发了一个数学模型来分析相位过渡,并构建一个主图.

主要成果:

PDMS的纳米孔隙性,封闭性和可湿性调节了阴性到金属性 (N-M) 阶段过渡的速度.
微流体几何学和地形学使得有针对性的相位过渡成为可能.
通过可调节的相位转换证明了微载荷操纵的elasto-advective运输.

结论:

介绍了一条可编程的物理路径,用于在微流体环境中进行材料组装.
突出了组装遗传组件,生物载荷和合成细胞的潜力.
通过工程限制来控制分子自我组装建立了一个新的范式.

关键词:

利奥特罗普色色液晶的液体水晶.微流体学微流体学纳米性纳米性的在PDMS中使用PDMS.阶段过渡阶段过渡表面 anchoring 在表面定.地形学地形学地形学地形学湿透性湿透性湿透性

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