Table 1.

Selected physicochemical properties of CYS-AgNPs dispersed in aqueous suspensions.

Property/Conditions [Unit] Value	pH
	4.0	7.4	9.0
plasmon absorption maximum [nm]	401	397	397
nanoparticle size (diameter) [nm] from TEM	18 ± 3	18 ± 2	19 ± 4
polydispersity index (PdI)	0.17	0.11	0.21
diffusion coefficient [10−7 cm2 s−1] T = 37 °C, determined from DLS technique at ionic strength: 10−4 M NaCl 10−2 M NaCl	3.58 ± 0.03 0.52 ± 0.12	3.39 ± 0.03 0.36 ± 0.15	3.79 ± 0.03 0.66 ± 0.13
hydrodynamic diameter [nm] T = 37 °C, at ionic strength: 10−4 M NaCl 10−2 M NaCl	18 ± 3 124 ± 12	19 ± 3 178 ± 12	18 ± 4 18 ± 2
electrophoretic mobility [(μmcm)(Vs)−1] T = 37 °C, determined from ELS technique at ionic strength: 10−4 M NaCl 10−2 M NaCl	4.24 ± 0.03 2.11 ± 0.03	−2.45 ± 0.03 −1.19 ± 0.10	−3.11 ± 0.08 −1.55 ± 0.03
zeta potential [mV] T = 37 °C, at ionic strength: 10−4 M NaCl 10−2 M NaCl	69 ± 2 28 ± 4	−39 ± 2 −18 ± 4	−48 ± 3 −23 ± 3