Research Article

Gold/Chitosan Nanocomposites with Specific Near Infrared Absorption for Photothermal Therapy Applications

Table 1

Surface property of the gold nanoparticles with different chitosan-based coatings. Particles are dispersed in DI water with a concentration of 1 OD/mL.

NanoparticlesCoating componentsHydrodynamic diameter
(nm, mean ± STD)
Zeta Potential
(mV, mean ± STD)

Au BareNone36.0 ± 1.78−43.5 ± 2.92
Au/CSCS290.4 ± 52.7+43.8 ± 4.36
Au/CMCSCMCS235.5 ± 9.05+20.2 ± 0.68
Au/(CS + CMCMS)75 wt.% CS+
25 wt.% CMCS
262.3 ± 58.9+24.3 ± 0.80