Charge Dependence of Ligand Release and Monolayer Stability of Gold Nanoparticles by Biogenic Thiols
Bioconjugate Chemistry2008Vol. 19(7), pp. 1342–1345
Citations Over TimeTop 10% of 2008 papers
Abstract
The effect of surface charge on the stability of gold nanoparticles (AuNPs) to the biogenic thiols glutathione (GSH), dihydrolipoic acid (DHLA), and cysteine was quantified. It was observed that the rate of release of fluorescein-tagged ligand was determined by the surface charge of the AuNPs, with cationic particles much more labile than anionic analogues. This ability to tune stability is significant for the design of both delivery vehicles and intracellular probes.
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