OPTIMASI WAKTU PENGONTAKAN PADA MODIFIKASI SINTESIS NANOPARTIKEL PERAK DENGAN L-Sistein
Abstract
Synthesis of L-cysteine modified silver nanoparticles (AgNPs) investigated. The reducing agent used in the synthesis of silver nanoparticles is trisodium citrate. The reaction between silver nitrate and trisodium citrate is indicated by a color change from clear to yellow. AgNPs were prepared with optimum contact time variations. The result of the UV-Vis spectrophotometer characterization showed that L-cysteine modified silver nanoparticles (AgNPs) with an optimum contacting time of 7 hours. L-cysteine modified silver nanoparticles (AgNPs) were applied as colorimetric histamine sensors.
Keywords: Silver Nanoparticles (AgNPs), Optimization, UV-Vis Spectrophotometer.