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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Anal Bioanal Chem. 2011 Nov 17;402(3):1065–1072. doi: 10.1007/s00216-011-5535-9

Fig. 1.

Fig. 1

Reversible stretching of PDMS microwells and loading of cells on the array. (A) Schematic of the working principle of trapping cells by utilizing the elasticity of PDMS. (B) Schematic of uniaxially stretching a PDMS microwell array by pressing with a plastic tube. (C) Transmitted light images of a PDMS microwell array: (i) Original array, (ii) stretched array, (iii) cell loading on the stretched array, (iv) array relaxed with cells trapped in microwells. Scale bar = 50 μm. (D) Diameter of microwells vs. z-axis displacement of the plastic tube.