Exceptionally stable green-synthesized gold nanoparticles for highly sensitive and selective colorimetric detection of trace metal ions and volatile aromatic compounds
- Authors
- Singh, Karanveer; Kukkar, Deepak; Singh, Ravinder; Kukkar, Preeti; Kim, Ki-Hyun
- Issue Date
- Dec-2018
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Cadmium; Colorimetric sensing; Gold nanoparticles; Green synthesis; Surface plasmon resonance
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.68, pp.33 - 41
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 68
- Start Page
- 33
- End Page
- 41
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2988
- DOI
- 10.1016/j.jiec.2018.07.026
- ISSN
- 1226-086X
- Abstract
- The manuscript reports synthesis of exceptionally stable gold nanoparticles (GNPs) using Momordica charantia fruit extract. The synthesis approach was optimized by refining three experimental variables including source of the fruit extract (peel, seed, and seed coat), pH of the solution, and temperature of the reaction medium. As synthesized GNPs showed excellent stability against various thiolated compounds (e.g., thioglycolic acid, thiourea, L-cystine, 1-dodecanethiol, and cysteamine hydrochloride). Moreover, these nanoparticles showed distinctive colorimetric responses against Cd2+ and thiophenol (TP) from their potential interferences. The limit of detection (LOD) values for Cd2+ and TP were determined as 0.186 and 0.154 mu M, respectively.
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