Sampling techniques for single-cell electrophoresis.
Sampling techniques for single-cell electrophoresis.
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DOI:
10.1039/c2an16211c
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发表时间:
2012-07-07
期刊:
影响因子:
--
通讯作者:
Sweedler JV
中科院分区:
文献类型:
--
作者:
Cecala C;Sweedler JV
Cells are extraordinarily complex, containing thousands of different analytes with concentrations spanning at least nine orders of magnitude. Analyzing single cells instead of tissue homogenates provides unique insights into cell-to-cell heterogeneity and aids in distinguishing normal cells from pathological ones. The high sensitivity and low sample consumption of capillary and on-chip electrophoresis, when integrated with fluorescence, electrochemical, and mass spectrometric detection methods, offer an ideal toolset for examining single cells and even subcellular organelles; however, the isolation and loading of such small samples into these devices is challenging. Recent advances have addressed this issue by interfacing a variety of enhanced mechanical, microfluidic, and optical sampling techniques to capillary and on-chip electrophoresis instruments for single-cell analyses.
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