Fine tuning of Polymer-Coated gold nanohybrids: sensor for the selective detection of quinalphos and device fabrication for water purification

Abstract

Noble polymer P1 was synthesized and utilized to produce organic nanoparticles (ONPs). The ONPs were used to formulate Au@ONP nanohybrids. The Au@ONP was subsequently fine-tuned for the selective detection of quinalphos via decorating Cu2+ on its surface. The selective detection of quinalphos in an aqueous medium was achieved, and a detection limit of 2.4 nM was obtained. To validate triple-layered Cu(II)-Au@ONP for quinalphos sensing, simulated real sample analysis was done. Finally silica coating of Cu(II)-Au@ONP was utilized for solid-state quinalphos sensing and removal from contaminated water samples using its cartridgebased assembly