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Synthesis of Quantum Dots and Its Application in Heavy Metal Sensing

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Synthesis and Applications of Nanomaterials and Nanocomposites

Part of the book series: Composites Science and Technology ((CST))

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Abstract

Quantum Dots (QDs) are zero-dimensional nano-particles portraying their distinguishing optical and electronic properties, they are used as nano-sensors. QDs have improved fluorescence characteristics, which comprise photostability, broad excitation spectrum, and narrow emission spectrum. QDs deal with the extensive and sensitive sensing of heavy metal ions ascribed to the presence of distinct capping agents and various functional groups lying outwardly of the QDs. These capping strata and functional moieties attune to the sensing capacity of the QDs, which influences the interactions of QDs with different analytes by various mechanisms. In this chapter, a brief overview of heavy metals as environmental contaminants, their impact on human health, and conventional techniques of detection and underlying modes are first introduced. Then, the role of QDs in sensing heavy metals such as mercury, cadmium, lead, arsenic, chromium, etc., and their progress in the multiplexed determination of heavy metal ions are explored.

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Acknowledgements

This research was supported by the University Grants Commission.

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Authors and Affiliations

  1. Plant Pathology and Nematology Section, Botany Department, Aligarh Muslim University, Aligarh, 202002, India

    Atirah Tauseef

  2. Research Institute of Biomolecular and Chemical Engineering, Nanolab, University of Pannonia, Veszprém, 8200, Hungary

    Imran Uddin

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  1. Atirah Tauseef
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Correspondence to Imran Uddin .

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  1. University of Pannonia, Veszprém, Hungary

    Imran Uddin

  2. School of Engineering Sciences and Technnology, Jamia Hamdard, New Delhi, India

    Irfan Ahmad

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Tauseef, A., Uddin, I. (2023). Synthesis of Quantum Dots and Its Application in Heavy Metal Sensing. In: Uddin, I., Ahmad, I. (eds) Synthesis and Applications of Nanomaterials and Nanocomposites. Composites Science and Technology . Springer, Singapore. https://doi.org/10.1007/978-981-99-1350-3_10

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