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Issue 2, 2014
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Isolation of single mammalian cells from adherent cultures by fluidic force microscopy

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Abstract

The physical separation of individual cells from cell populations for single-cell analysis and proliferation is of wide interest in biology and medicine. Today, single-cell isolation is routinely applied to non-adherent cells, though its application to cells grown on a substrate remains challenging. In this report, a versatile approach for isolating single HeLa cells directly from their culture dish is presented. Fluidic force microscopy is first used to detach the targeted cell(s) via the tunable delivery of trypsin, thereby achieving cellular detachment with single-cell resolution. The cell is then trapped by the microfluidic probe via gentle aspiration, displaced with micrometric precision and either transferred onto a new substrate or deposited into a microwell. An optimised non-fouling coating ensures fully reversible cell capture and the potential for serial isolation of multiple cells with 100% successful transfer rate (n = 130) and a survival rate of greater than 95%. By providing an efficient means for isolating targeted adherent cells, the described approach offers exciting possibilities for biomedical research.

Graphical abstract: Isolation of single mammalian cells from adherent cultures by fluidic force microscopy

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Article information


Submitted
15 Oct 2013
Accepted
29 Oct 2013
First published
30 Oct 2013

Lab Chip, 2014,14, 402-414
Article type
Paper

Isolation of single mammalian cells from adherent cultures by fluidic force microscopy

O. Guillaume-Gentil, T. Zambelli and J. A. Vorholt, Lab Chip, 2014, 14, 402
DOI: 10.1039/C3LC51174J

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