Physiochemical charge stabilization of silver nanoparticles and its antibacterial applications
2017
Abstract Environmental standardization and stabilization of surface charges of silver nanoparticles (AgNPs) is important in biological systems and interest in bio-interfacial interaction. Different synthesized AgNPs in chemical reduced (AgNO 3 (0.01, 0.1 and 0.5 M); NaBH 4 and Na 3 C 6 H 5 O 7 ) garnered for analysis of physico-chemical charge stabilization by means of different pH (1–13) and ionic interferences (NaCl, Ca(NO 3 ) 2 , Na 2 CO 3 and NaNO 3 ). The uniform sized (size: ∼22 nm) and highly charged (zeta potential: −37.9 mV) AgNPs with uniform dispersion remains unaltered in high ionic interferences. Highest antifungal activity of AgNPs against Candida albicans and moderate activity against Staphylococcus aureus are correlated.
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