基于扩散、对流和迁移的光电流控芯片纳米颗粒浓度的理论研究

IF 6.7 3区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Optomechatronics Pub Date : 2016-08-02 DOI:10.1080/15599612.2016.1217108

Sheng Hu, Jiangtao Lv, G. Si

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引用次数: 0

摘要

本文建立了一个光电流控芯片的数值模型并进行了仿真。通过扩散方程、对流方程和迁移方程可以研究纳米粒子的介电泳力和电渗透力。对于纳米级粒子，考虑半径为3.6 nm的蛋白质为目标粒子。计算了电渗透力与应用频率的关系，其范围从102赫兹到108赫兹，并提供比介电电泳(DEP)更强的力来富集蛋白质。同时，模拟了诱导光模式大小对浓度分布的显著影响。最后，浓度曲线验证了光电流控芯片能够对悬浮的亚微米粒子进行操纵和组装。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Theoretical investigation on nanoparticle concentrations in optoelectrofluidic chip based on diffusion, convection, and migration

ABSTRACT A numerical model and simulation relative to an optoelectrofluidic chip has been presented in this article. Both dielectrophoretic and electroosmotic force attracting the nano-sized particles could be studied by the diffusion, convection, and migration equations. For the nano-sized particles, the protein with radius 3.6 nm is considered as the objective particle. The electroosmosis dependent upon applied frequency is calculated, which range 102 Hz from 108 Hz, and provides the much stronger force to enrich proteins than dielectrophoresis (DEP). Meanwhile, the induced light pattern size significantly affecting the concentration distribution is simulated. In this end, the concentration curve has verified that the optoelectrofluidic chip can be capable of manipulating and assembling the suspended submicron particles.

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来源期刊

International Journal of Optomechatronics 工程技术-工程：电子与电气

CiteScore

9.30

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： International Journal of Optomechatronics publishes the latest results of multidisciplinary research at the crossroads between optics, mechanics, fluidics and electronics. Topics you can submit include, but are not limited to: -Adaptive optics- Optomechanics- Machine vision, tracking and control- Image-based micro-/nano- manipulation- Control engineering for optomechatronics- Optical metrology- Optical sensors and light-based actuators- Optomechatronics for astronomy and space applications- Optical-based inspection and fault diagnosis- Micro-/nano- optomechanical systems (MOEMS)- Optofluidics- Optical assembly and packaging- Optical and vision-based manufacturing, processes, monitoring, and control- Optomechatronics systems in bio- and medical technologies (such as optical coherence tomography (OCT) systems or endoscopes and optical based medical instruments)