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Title: Optical reading of contaminants in aqueous media based on gold nanoparticles
Authors: Du, Jianjun
Zhu, Bowen
Peng, Xiaojun
Chen, Xiaodong
Keywords: DRNTU::Engineering::Materials::Photonics and optoelectronics materials
Issue Date: 2014
Source: Du, J., Zhu, B., Peng, X., & Chen, X. (2014). Optical reading of contaminants in aqueous media based on gold nanoparticles. Small, 10(17), 3461-3479.
Series/Report no.: Small
Abstract: With increasing trends of global population growth, urbanization, pollution over-exploitation, and climate change, the safe water supply has become a global issue and is threatening our society in terms of sustainable development. Therefore, there is a growing need for a water-monitoring platform with the capability of rapidness, specificity, low-cost, and robustness. This review summarizes the recent developments in the design and application of gold nanoparticles (AuNPs) based optical assays to detect contaminants in aqueous media with a high performance. First, a brief discussion on the correlation between the optical reading strategy and the optical properties of AuNPs is presented. Then, we summarize the principle behind AuNP-based optical assays to detect different contaminants, such as toxic metal ion, anion, and pesticides, according to different optical reading strategies: colorimetry, scattering, and fluorescence. Finally, the comparison of these assays and the outlook of AuNP-based optical detection are discussed.
ISSN: 1613-6810
DOI: 10.1002/smll.201303256
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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