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Bioinspired Elastic Liquid Transistor

delete2026-09-07
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PRE
AI
F
Fuyuan Gui
S
Shihao Guo
J
Jinke Zhang
C
Chaoke Liu
Y
Yunxun Liu
Z
Ziwei Guo
Y
Yi Han
C
Cunming Yu *
DOI:10.1002/smll.75516delete
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摘要

摘要

En 中文
可控铺展速度的方向性液体传输仍具挑战性,因为现有系统多关注传输方向而非速度调控。受Heliamphora nutans内捕虫笼壁上参数差异的腺毛区域铺展速度差异启发,我们制备了一系列高度可独立调控的人工纤毛表面,并观察到这些表面上的明显水分散速度差异。为理解其机制,我们捕捉了液面前沿的侧视显微图像,发现铺展主要受相邻纤毛侧壁的毛细虹吸驱动。基于此机制,我们开发了归一化预测模型,并通过更广泛的高度-间距组合验证了其普适性。在此基础上,我们报道了一种仿生弹性液体晶体管(BELT),可实现在开放表面上的实时、无级液体传输速度调控。除单向开关功能外,BELT还能协同控制正交方向上的铺展方向与速度。得益于其弹性,BELT在扭转形变下仍保持开关功能,展示了其与非平面及软表面的兼容性。
Keyword:
cilia array
liquid transistor
microfluidics
speed regulation
strain-gated liquid transport

期刊

Small 封面图
Small
IF:
12.1
论文数:
3.0W
被引数:
16.4W

机构

B
Beihang University
学者数:
5.2W
论文数: 4.1W
被引数: 37
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