Carbon dots as robust class of sustainable and environment friendlier nano/optical sensors for pesticide recognition from wastewater

Research output: Contribution to journalReview articlepeer-review

17 Scopus citations


The toxicological influence and pervasive manifestation of hazardous pesticides posture adverse consequences on humans and a number of environmental matrices, directly through bioaccumulation or indirectly via the food chain. Much emphasis has been paid to reevaluating how to manage pesticide usage practices without affecting or damaging the environment due to the persistent existence of pesticide residues over acceptable levels in numerous forms. Therefore, the studies related to the creation of trustworthy techniques for pesticide monitoring are hotspot across the globe. It has been suggested that carbon dots (C-dots), which have outstanding biocompatibility strong photostability and low toxicity, could replace other materials in the construction of several optical sensors for the detection of pesticide. Based on the complex nature and health hazards of the pesticides, this manuscript comprehensively summarizes the overview of recent developments of C-dots based optical sensors for pesticide detection with special emphasis on colorimetric and photoluminescent sensors. This section is further nourished by highlighting the sensing mechanisms, structural design through integration of types of recognition elements such as, nanoparticles, enzymes, aptamers, antibodies and some of the molecularly imprinted polymers. Beyond evaluating how well these suggested optical sensors operate in practical applications, detailed discussions regarding current monitoring gaps and difficulties as well as potential future directions has also been presented. It is believed that this review would offer significant new insights for the creation of novel C-dots based pesticide monitoring systems with a large variety of applications.

Original languageEnglish
Article number116957
JournalTrAC - Trends in Analytical Chemistry
StatePublished - Mar 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier B.V.


  • C-dots
  • Colorimetric sensors
  • Environment friendlier
  • MIPs
  • Optical sensors
  • Pesticides
  • Wastewater

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy


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