中北大学仪器科学与动态测试教育部重点实验室 2. 太原工业学院电子工程系
纸质出版:2022
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李晓红, 张斌珍, 段俊萍, 等. 3D电极的介电泳力与惯性力的粒子连续分选仿真[J]. 传感器与微系统, 2022,(3):43-46.
3D电极的介电泳力与惯性力的粒子连续分选仿真[J]. 2022, (3): 43-46.
李晓红, 张斌珍, 段俊萍, 等. 3D电极的介电泳力与惯性力的粒子连续分选仿真[J]. 传感器与微系统, 2022,(3):43-46. DOI: 10.13873/J.1000-9787(2022)03-0043-04.
3D电极的介电泳力与惯性力的粒子连续分选仿真[J]. 2022, (3): 43-46. DOI: 10.13873/J.1000-9787(2022)03-0043-04.
细胞分选在生物医学中起着重要的作用,而其中介电泳分选由于其无需生物标记,对粒子损伤小等优势得到了广泛的应用。本文设计了一种结合三维(3D)电极的介电泳力和收缩—扩张结构的惯性力的微流控芯片,通过COMSOL Multiphysics仿真软件对流体的流速分布、电场分布及粒子的运动轨迹进行仿真分析。仿真结果表明:三维电极相较于传统的平面电极,能够提供粒子垂直运动方向上的非均匀电场,更有助于实现粒子的高效率分选。此外,当粒子随流体运动时,不同的流道收缩—膨胀比分选效果不同,当收缩—膨胀比为3︰1时,分选效果会更好。通过仿真证明了所设计结构的有效性,确定了芯片尺寸,为后续的粒子连续高通量高效率分选,提供了重要的参考价值。
细胞分选在生物医学中起着重要的作用,而其中介电泳分选由于其无需生物标记,对粒子损伤小等优势得到了广泛的应用。本文设计了一种结合三维(3D)电极的介电泳力和收缩—扩张结构的惯性力的微流控芯片,通过COMSOL Multiphysics仿真软件对流体的流速分布、电场分布及粒子的运动轨迹进行仿真分析。仿真结果表明:三维电极相较于传统的平面电极,能够提供粒子垂直运动方向上的非均匀电场,更有助于实现粒子的高效率分选。此外,当粒子随流体运动时,不同的流道收缩—膨胀比分选效果不同,当收缩—膨胀比为3︰1时,分选效果会更好。通过仿真证明了所设计结构的有效性,确定了芯片尺寸,为后续的粒子连续高通量高效率分选,提供了重要的参考价值。
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