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(a) Synthesis of hybrid triblock copolymer. Collagen like peptide sequence: G(GPP)3GPRGEKGERGPR(GPP)3GPCCG. (b) Cryo-TEM image of spherical structures at 37 °C. Scale bar = 50 μm (c) TEM image of collagen like fibrils at 75 °C. Scale bar = 0.5 μm (Reproduced with permission from Ref.38 © The Royal Society of Chemistry and Ref.66 © American Chemical Society)
