Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 246, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2020.119047
Keywords
Chromogenic and fluorogenic chemosensors; Arsenic; Environmental samples; Biological studies
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Funding
- CSIR, NewDelhi, India
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This review summarizes recent research on arsenic species chemosensors, including sensing mechanisms and applications in arsenic detection. Six types of sensing strategies are discussed, providing simple and sensitive methods for the design of arsenic selective chromogenic and fluorogenic probes.
Due to biological and environmental significance of highly toxic arsenic species, the design, synthesis and development of chemosensors for arsenic species has been a very active research field in recent times. In this review, we summarize recent works on the sensing mechanisms employed by fluorometric/colorimetric chemosensors and their applications in arsenic detection. Various types of sensing strategies can be categorized into six types including (i) chemosensors based on hydrogen bonding interactions; (ii) aggregation induced emission (AIE) based chemosensors; (iii) chemodosimetric approach (reaction-based chemosensors); (iv) metal coordination-based sensing strategy; (v) chemosensors based on metal complex displacement approach and (vi) metal complex as chemosensor. All these sensing strategies are very much simple and sensitive for use in the design of arsenic selective chromogenic and fluorogenic probes. (C) 2020 Elsevier B.V. All rights reserved.
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