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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
Hydrodynamic size (nm)	With chitosan capping	190.7	123.9	–^a
Zeta potentials (ζ, mV)	Without chitosan capping	− 12.73	− 42.46	27.96
Zeta potentials (ζ, mV)	With chitosan capping	42.28	47.44	33.23

^aThe hydrodynamic size of nanorods was not measured

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