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. Author manuscript; available in PMC: 2022 Oct 13.
Published in final edited form as: ACS Nano. 2017 May 8;11(5):4660–4668. doi: 10.1021/acsnano.7b00413

Fig. 2.

Fig. 2.

Selective single cell detachemnt by optical generation of shear forces on the CNT-PDMS film: (a) Scanning electron microscope (SEM) image of the CNT grown on quartz substrate (scale bar: 5 μm), (b) SEM image of CNTs (separate sample) after spin coating with PDMS (scale bar: 5 μm). (c-e) An example of laser detachment of a MDA-MB-231 cell: (c) before detachment, (d) immediately after pulsed laser irradiation, and (e) cell detached and flowed away from the original culture location (scale bar: 50 μm). Note that the cell is highly viable preserving its membrane without biochemical modification observed in the trypsinization (f-h) An example of partial detachment of a MDA-MB-231 cell: (f) before detachment, (g) after laser irradiation onto the left extension of the cell, and (h) the partially detached cell only having the physical contact on the right end (scale bar: 50 μm).