The electrodynamic analysis and manipulation of PEGDA semicircular tubular structures based on optically induced dielectrophoresis

IF 2.6 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Physica Scripta Pub Date : 2024-09-15 DOI:10.1088/1402-4896/ad77f8
Wenguang Yang, Wenhao Wang, Xiangyu Teng, Zezheng Qiao, Haibo Yu and Shuxiang Cai
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Abstract

The manipulation of micron-scale semicircular tubular structures has wide applications in micro-nano processing, device manufacturing, biomedicine, and micron sensing and measurement. Here, we propose a method to fabricate and manipulate semicircular tubular structures based on optically induced dielectrophoresis (ODEP). First, electric field intensity simulations are performed for polyethylene glycol diacrylate (PEGDA) semicircular tubular structures with different conductivities and of different heights. In addition, the polarization model based on slender rods reveals that the semicircular tubular structure is subject to a negative dielectrophoretic force and tends to move along the vertical direction of the central axis. Finally, according to the maximum movement speed of the semicircular tubular structure, the resistance and dielectrophoretic force it receives are characterized. This allows for the realization of the translation and rotation operations of semicircular tubular structures of different lengths, and the assembly of multiple structures into different shapes. This assembly method holds significant promise for applications in biomedicine and the manufacturing and processing of micro-nano devices.
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基于光诱导介电泳的 PEGDA 半圆管状结构的电动分析和操纵
操纵微米级半圆管状结构在微纳加工、设备制造、生物医学以及微米传感和测量领域有着广泛的应用。在此,我们提出了一种基于光诱导介电泳(ODEP)的制造和操纵半圆管状结构的方法。首先,我们对不同电导率和不同高度的聚乙二醇二丙烯酸酯(PEGDA)半圆管状结构进行了电场强度模拟。此外,基于细长棒的极化模型显示,半圆管状结构受到负介电泳力的作用,倾向于沿中心轴的垂直方向移动。最后,根据半圆管状结构的最大运动速度,可以确定其受到的阻力和介电泳力。这样就可以实现不同长度半圆管状结构的平移和旋转操作,并将多个结构组装成不同的形状。这种组装方法在生物医学以及微纳设备的制造和加工方面有着广阔的应用前景。
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来源期刊
Physica Scripta
Physica Scripta 物理-物理:综合
CiteScore
3.70
自引率
3.40%
发文量
782
审稿时长
4.5 months
期刊介绍: Physica Scripta is an international journal for original research in any branch of experimental and theoretical physics. Articles will be considered in any of the following topics, and interdisciplinary topics involving physics are also welcomed: -Atomic, molecular and optical physics- Plasma physics- Condensed matter physics- Mathematical physics- Astrophysics- High energy physics- Nuclear physics- Nonlinear physics. The journal aims to increase the visibility and accessibility of research to the wider physical sciences community. Articles on topics of broad interest are encouraged and submissions in more specialist fields should endeavour to include reference to the wider context of their research in the introduction.
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