Interaction of borohydride stabilized silver nanoparticles with sulfur-containing organophosphates.

ABSTRACT: Understanding the interactions between nanoparticles and organophosphates is the key to developing cost-effective colorimetric pesticide detection. We have studied the interaction between three different organophosphates containing the P[double bond, length as m-dash]S group and borohydride stabilized silver nanoparticles. Three different organophosphates, namely phorate, chlorpyrifos, and malathion, have been used. The colorimetric changes are corroborated with UV-visible absorption studies along with the change in particle size and zeta potential. This effect persists in the presence of NaCl solution also. The chlorpyrifos and malathion do not show significant interactions with uncapped nanoparticles over time, while phorate undergoes degradation due to the scission of the S-CH₂

SUBMITTER: Shikha S 

PROVIDER: S-EPMC9041980 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature