A near-infrared fluorescence-based optical thermosensor.

A polymeric thermosensor composed of the thermo-responsive block copolymer Pluronic F127 (PF127) and the near-infrared (NIR) dye Cy5.5 can simply monitor, image, and analyze temperature changes. The thermoprobe exhibited linear NIR fluorescent emission changes (see figure) over a broad temperature range (0–80 °C).

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