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(a) Influences of pH on the zeta-potential of CCM nanoassemblies. (b) Acid-base titration profiles of CCM nanoassemblies in water at 37 °C. (c) Influences of pH on the size of CCM nanoassemblies. (d) TEM images of CCM nanoassemblies (CPC and PC4) prepared at pH 7.4 and pH 5.5, respectively. Values are average of three separate experiments in triplicate and are expressed as mean ± SD.
