A microfluidic chip for real-time studies of the volume of single cells.

A microfluidic chip for real-time studies of the volume of single cells.
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DOI:
10.1039/b806003g
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发表时间:
2009-01-21
期刊:
影响因子:
6.1
通讯作者:
Pennell T
Pennell T
中科院分区:
工程技术1区
文献类型:
--
作者:
Hua SZ;Pennell T

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我们报告了一种能够实时测量单细胞体积变化的微流控芯片。将单个真核细胞固定在传感区域,并使用电阻抗法测量响应低渗挑战的体积变化和药物。 MDCK 细胞实验表明,低渗刺激后,各个细胞的最大肿胀程度和肿胀时间进程有所不同。微流控芯片允许快速、方便地更换溶液,从而能够在单细胞水平上对可能在细胞生理学中发挥重要作用的各种药物和化学物质进行详细研究。
We report a microfluidic chip that is capable of measuring volume changes in single cells in real-time. Single eukaryotic cells were immobilized in the sensing area and changes in volume in response to hypotonic challenges and drugs were measured using the electrical impedance method. Experiments on MDCK cells showed that the maximum swelling and the time course of swelling vary between individual cells following hypotonic stimulation. The microfluidic chip allows, rapid and convenient change of solutions, enabling detailed studies of various drugs and chemicals that may play important role in cell physiology at the single cell level.
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发表时间: 1970-01-01
影响因子: 1.6
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