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SCI-E Review

Recent advances in the application of noble metal nanoparticles in colorimetric sensors for lead ions
성명 김기현()
소속 공과대학 건설환경공학과
캠퍼스
우수선정주 2021년 07월 2째주
Author 김기현 (Dept Civil & Environm Engn) corresponding author;
Corresponding Author Info Bhardwaj, N (corresponding author), Panjab Univ, Dept Biotechnol, Univ Inst Engn Technol UIET, Chandigarh, India.; Kim, KH (corresponding author), Hanyang Univ, Dept Civil & Environm Engn, 222 Wangsimni Ro, Seoul 04763, South Korea.
E-mail 이메일 아이콘kkim61@hanyang.ac.kr
Document Type Review
Source ENVIRONMENTAL SCIENCE-NANO Volume:8 Issue:4 Pages:863-889 Published:2021
Times Cited
External Information http://dx.doi.org/10.1039/d0en00963f
Abstract Recent developments in nanotechnology and engineering have produced a plethora of nanomaterials with amazing physical/chemical properties and enhanced sensing potential for various heavy metals in the environment. Noble metal nanoparticles (NPs), particularly those made from gold and silver, have attracted a great deal of attention mainly due to ease of synthesis, a high degree of surface functionalization, biocompatibility, and tunable physico-chemical properties. The use of noble metal nanoparticles has enabled fast and multiplexed detection of metal ions with excellent sensitivity and selectivity. The optical characteristics of Au-Ag NPs and noble metal-based nanozymes enable the detection of metals based on colorimetry. Color changes of these metal nanoparticles upon interaction with lead ions are based on inter-particle interactions (aggregation/dis-aggregation) and changes in surface modification. This review presents up-to-date information on the applications of noble metal NPs in the colorimetric sensing of lead (Pb2+) ions with special attention on selectivity, sensitivity, and practicality. The extensive potential of noble metal nanomaterials as the next-generation and on-site sensing tools has been explored for the rapid detection of lead ions in environmental matrices.
Web of Science Categories Chemistry, Multidisciplinary; Environmental Sciences; Nanoscience & Nanotechnology
Funding
Language English
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