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22 May 2014 Analytical strategies based on quantum dots for heavy metal ions detection
Margarita Vázquez-González, Carolina Carrillo-Carrion
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Journal of Biomedical Optics, Vol. 19, Issue 10, 101503 (May 2014). https://doi.org/10.1117/1.JBO.19.10.101503
Abstract
Heavy metal contamination is one of the major concerns to human health because these substances are toxic and retained by the ecological system. Therefore, in recent years, there has been a pressing need for fast and reliable methods for the analysis of heavy metal ions in environmental and biological samples. Quantum dots (QDs) have facilitated the development of sensitive sensors over the past decade, due to their unique photophysical properties, versatile surface chemistry and ligand binding ability, and the possibility of the encapsulation in different materials or attachment to different functional materials, while retaining their native luminescence property. This paper comments on different sensing strategies with QD for the most toxic heavy metal ions (i.e., cadmium, Cd2+; mercury, Hg2+; and lead, Pb2+). Finally, the challenges and outlook for the QD-based sensors for heavy metals ions are discussed.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Margarita Vázquez-González and Carolina Carrillo-Carrion "Analytical strategies based on quantum dots for heavy metal ions detection," Journal of Biomedical Optics 19(10), 101503 (22 May 2014). https://doi.org/10.1117/1.JBO.19.10.101503
Published: 22 May 2014
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Cited by 78 scholarly publications and 1 patent.
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KEYWORDS
Ions
Mercury
Lead
Metals
Luminescence
Sensors
Cadmium
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