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Effects of surface grafting on nHA properties. (A) SEM images and (B) particle size distribution of nHA and nHA-LTI particles measured from counts of >500 particles. (C) XRD spectra of nHA and nHA-LTI particles. (D) Viscosity of nHA-LTI/LTI prepolymer (red) was almost two orders of magnitude lower than that of the uncatalyzed nHA/LTI mixture (black).
