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Ultrasensitive visual detection of Hg2+ ions via the Tyndall effect of gold nanoparticles.
Deng, Zihao; Jin, Wenying; Yin, Qiaobo; Huang, Jinkun; Huang, Ziheng; Fu, Haiyan; Yuan, Yali; Zou, Jianmei; Nie, Jinfang; Zhang, Yun.
Affiliation
  • Deng Z; Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China. zy@glut.edu.cn.
Chem Commun (Camb) ; 57(21): 2613-2616, 2021 Mar 14.
Article in En | MEDLINE | ID: mdl-33621285
This work reports a new methodology for naked-eye nanosensing of Hg2+ where the Tyndall effect of gold nanoparticles (GNPs) acts as a light scattering signalling readout. Its utility is demonstrated with ultrasensitive detection of the target with a limit down to 0.13 nM (∼5461-fold sensitivity improvement over conventional GNP-based methods with surface plasmon resonance signalling).
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Spectrophotometry, Ultraviolet / Water Pollutants, Chemical / Colorimetry / Metal Nanoparticles / Mercury Type of study: Diagnostic_studies Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2021 Document type: Article Affiliation country: China Country of publication: United kingdom
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Spectrophotometry, Ultraviolet / Water Pollutants, Chemical / Colorimetry / Metal Nanoparticles / Mercury Type of study: Diagnostic_studies Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2021 Document type: Article Affiliation country: China Country of publication: United kingdom