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Characterization of FimH-containing thermally responsive nanoparticles (F-TRH). (A) Schematic illustration of F-TRH formation. (B) TEM images of HNP, TRH, and F-TRH (scale bars: 100 nm). (C) The average diameters of HNPs, TRHs, and F-TRHs. (D) FT-IR spectra of HNP and FimH-conjugated HNP. (E) UV–vis absorbance spectra of free ICG, HNP, TRH, and F-TRH.
