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可编程生成带有体积梯度的滴滴阵列,通过调节涂抹速度来实现

Wei Wang¹, Shangzhe Xu^1,2, Qijun Cai^1,3

¹School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, Shaanxi Province, China.

Langmuir : the ACS journal of surfaces and colloids

|December 3, 2025

概括

本研究介绍了一种新的滴滴阵列分配平台,用于可调节体积的可编程生成滴滴阵列. 该系统为微流体应用提供了多功能和资源高效的解决方案.

科学领域:

微流体学微流体学
材料科学材料科学材料科学
生物技术是生物技术.

背景情况:

滴滴阵微反应器对于高通量,低消耗的微流体平台至关重要.
五秒激光雕刻在疏水基板上创建水友性位点,用于滴滴操纵.

研究的目的:

开发一个涂抹驱动的滴滴阵列分配平台,用于可调节体积梯度的可编程生成滴滴阵列.
为了实时控制滴水体积分布,减少对复杂设备的依赖.

主要方法:

使用涂抹驱动的平台,用水性部位被秒激光雕刻.
实现一个旋转平台,利用半径速度产生体积梯度.
编程涂抹速度并利用辐射位置进行体积控制.

主要成果:

通过可调节的梯度,滴水体积增加了100倍.
通过涂抹速度和辐射位置实现了可预测的滴滴体积缩放.
从固定的图案尺寸中分离掉落体积,简化梯度编程.

结论:

开发的平台为基于滴滴的微流体提供了一种多功能,资源高效的解决方案.
潜在的应用包括临床诊断,组合测试和高通量查.
该系统消除了对复杂的外部设施的依赖,以产生梯度.

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