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Figure 2 | Nanoscale Research Letters

Figure 2

From: Measurement of beta-amyloid peptides in specific cells using a photo thin-film transistor

Figure 2

Cell culture and visualization on the p-FET device. (a) A microscopic optical image of the p-FET sensing areas placed in the middle of the PDMS well. (b) The HeLa cells were brought to the p-FET surface and cultured overnight in the incubator for stabilization. (c) The HeLa cells were visualized with FITC specifically bound to the Aβ peptides expressed on the cell surface. (d) The nuclei of the HeLa cells stained using DAPI. (e, f) The HeLa cells cultured on a flat PDMS surface were visualized with FITC and DAPI, respectively.

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