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Table 1 Hydrodynamic size and zeta potentials of nanoparticles with and without chitosan capping

From: Shape-dependent cytotoxicity and cellular uptake of gold nanoparticles synthesized using green tea extract

   Nanospheres Nanostars Nanorods
Hydrodynamic size (nm) Without chitosan capping 28.4 97.8 a
With chitosan capping 190.7 123.9 a
Zeta potentials (ζ, mV) Without chitosan capping − 12.73 − 42.46 27.96
With chitosan capping 42.28 47.44 33.23
  1. aThe hydrodynamic size of nanorods was not measured