4.7 Review

Nanomaterial-based fluorescent sensors for the detection of lead ions

期刊

JOURNAL OF HAZARDOUS MATERIALS
卷 407, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.jhazmat.2020.124379

关键词

Heavy metals; Fluorescent detection; Fret; Lead; Sensors; Nanomaterials

资金

  1. DST (Department of Science and Technology) [IFA18-LSPA 127]
  2. Wellcome Trust/DBT Alliance
  3. National Research Foundation of Korea (NRF) - Ministry of Science, ICT, & Future Planning [2016R1E1A1A01940995]
  4. National Research Foundation of Korea [2016R1E1A1A01940995] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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This review focuses on the recent developments in fluorescent nanosensing technology for the detection of lead ions (Pb2+), highlighting the classification and evaluation of different types of nanomaterials, especially in terms of sensitivity.
Lead (Pb) poisoning has been a scourge to the human to pose sighnificant health risks (e.g., organ disorders, carcinogenicity, and genotoxicity) as observed from many different parts of the world, especially in developing countries. The demand for accurate sensors for its detection, especially in environmental media (soil, water, food, etc.) has hence been growing steadily over the years. The potential utility of fluorescent nanosensors as an important analytical tool is recognized due to their astonishing characteristics (e.g., high sensitivity/selectivity, enhanced detection performance, low cost, portability, and rapid on-site detection ability). This review is organized to offer insight into the recent developments in fluorescent nanosensing technology for the detection of lead ions (Pb2+). To this end, different types of nanomaterials explored for such applications have been classified and evaluated with respect to performance, especially in terms of sensitivity. This review will help researchers gain a better knowledge on the status and importance of optical nanosensors so as to remediate the contamination of lead and associated problems. The technical challenges and prospects in the development of nanosensing systems for Pb2+ are also discussed.

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