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Table 2 The colloidal data of PDA and PDA@PMAA composite nanoparticles

From: Polydopamine-Based Composite Nanoparticles with Redox-Labile Polymer Shells for Controlled Drug Release and Enhanced Chemo-Photothermal Therapy

Sample Dha (nm) PDIb ζ potentialc (mV)
PDA 140 0.09 − 26.8
PDA@PMAA-0.5 176 0.16 − 30.2
PDA@PMAA-1 190 0.09 − 32.2
PDA@PMAA-2 227 0.14 − 31.7
PDA@PMAA-4 250 0.11 − 33.2
PDA@PMAA-6 349 0.24 − 33.0
  1. aThe hydrodynamic diameter (Dh) was determined in PBS (pH7.4) at 25 °C
  2. bPDI, polydispersity index of the particle size
  3. cζ potential was determined in phosphate buffer (pH7.4) at 25 °C