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A microfluidic system enabling continuous characterization of single-cell specific membrane capacitance and cytoplasm conductivity

  • Yang Zhao
  • , Deyong Chen
  • , Hao Li
  • , Yana Luo
  • , Bin Deng
  • , Song Bin Huang
  • , Tzu Keng Chiu
  • , Min Hsien Wu
  • , Rong Long
  • , Junbo Wang*
  • , Jian Chen
  • *此作品的通信作者
  • CAS - Institute of Electronics
  • Chang Gung University
  • University of Colorado Boulder

研究成果: 圖書/報告稿件的類型會議稿件同行評審

1 引文 斯高帕斯(Scopus)

摘要

This paper presents a microfluidic system enabling continuous characterization of specific membrane capacitance (C specific membrane) and cytoplasm conductivity (σ cytoplasm) of single biological cells. In this study, cells were aspirated through a constriction channel while cell elongations and impedance profiles at 1 kHz and 100 kHz were measured simultaneously using microscopy imaging and a lock-in amplifier. Based on the proposed equivalent circuit model, raw data were translated to Cspecific membrane and σcytoplasm, which were 3.67±1.00 vs. 4.53±1.51 μF/cm2 and 0.47±0.09 vs. 0.55±0.14 S/m for the kidney tumor cell line of 786-O (n=302) and the vascular smooth muscle cell line of T2 (n=216), respectively.

原文英語
主出版物標題8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013
頁面344-347
頁數4
DOIs
出版狀態已出版 - 2013
事件8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013 - Suzhou, 中國
持續時間: 07 04 201310 04 2013

出版系列

名字8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013

Conference

Conference8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013
國家/地區中國
城市Suzhou
期間07/04/1310/04/13

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