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Biosensors for toxic metals, polychlorinated biphenyls, biological oxygen demand, endocrine disruptors, hormones, dioxin, phenolic and organophosphorus compounds: a review

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Abstract

The growing pollution by hazardous agents is a major concern due to pollutant transfer to water, air, soil and food. Since actual analytical methods are limited, there is a need for detectors that are more sensitive, more selective, faster and cheaper. For instance, advanced portable biosensors have better sensitivity compared to classical diagnostic devices. Here, we review ultrasensitive detection of pollutants by biosensors. In particular, nanobiosensors display remarkable nanomolar to picomolar detection of various pollutants including heavy metals, pesticides, endocrine disruptors, dioxin, biological oxygen demand and microbial pathogens.

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Acknowledgments

One of the authors (Dr Madan L. Verma) is grateful to Professor S Selvakumar, Director of Indian Institute of Information Technology Una, Himachal Pradesh, India, for providing the necessary facility to pursue the present work. The work reported here has been partial supported by grants from various agencies to Dr Madan L. Verma. We gratefully acknowledge the financial support from Himachal Pradesh Council for Science, Technology & Environment (HIMCOSTE Sanction Order: No. STC/F(8)-6/2019(R&D 2019-20)-377) and Australian High Commission New Delhi (Application No. AAGS2020/82), respectively.

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Correspondence to Madan L. Verma.

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Verma, M.L., Rani, V. Biosensors for toxic metals, polychlorinated biphenyls, biological oxygen demand, endocrine disruptors, hormones, dioxin, phenolic and organophosphorus compounds: a review. Environ Chem Lett 19, 1657–1666 (2021). https://doi.org/10.1007/s10311-020-01116-4

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  • DOI: https://doi.org/10.1007/s10311-020-01116-4

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