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. 2015 Feb 18;10(2):e0117677. doi: 10.1371/journal.pone.0117677

Fig 4. Temperature imaging of living HeLa cells via FLIM using the cell-permeable FPT.

Fig 4

A, B) Fluorescence lifetime images of the FPT (A) and histograms of the fluorescence lifetime in cells (B). The temperature of the culture medium is indicated in each image. <τf> indicates the average fluorescence lifetime in cells shown in A. Scale bars = 10 µm.