OPTIMASI WAKTU PENGONTAKAN PADA MODIFIKASI SINTESIS NANOPARTIKEL PERAK DENGAN L-Sistein

Dwi Sintya Misi Arsita
Alimuddin Alimuddin
Moh. Syaiful Arif

PROSIDING SEMINAR KIMIA
Vol 1 No 1 (2022): Prosiding SNK 2022

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.