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TEM images of Au-PNIPAM core-shell hybrid nanogels of spherical (A) and flower-like shaped Au NP cores (B), and (C) their corresponding AFM images (A, top in C; B, down in C), respectively. (D) UV-Vis spectra of aqueous dispersion of the two indicated samples at the temperature below (15°C, solid lines) and above (50°C, dot lines) of PNIPAM. Adopted from Reference (95). Reprinted with permission from Wiley-VCH Publishing Group, Copyright (2008).
