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a) Synthetic scheme for copolymer. b) UV-vis transmittance vs temperature plots for the copolymer showing LCST of ~12°C. c) SEM image of polymer-GO composite surface. Arrows indicate suspended GO present on the surface of the film. d) Fluorescence images of polymer-only and polymer-GO films. The films were incubated with an amine-reactive dye (FSE, 0.25mM aq. solution) for 30 minutes at 40°C. Scale bar: 20.0 µm.
