Heavy metals microanalyser for water quality monitoring based on selective carbon dots fluorescence quenching

Alex Pascual-Escó, Miguel Berenguel-Alonso, Julián Alonso-Chamarro, Mar Puyol*

*Corresponding author for this work

Research output: Other contribution

Abstract

Heavy metals can be found, although at trace levels, in many water bodies, and all of them are listed as polluting substances. We present a new strategy for the automatic monitoring of heavy metals in water using Carbon Dots (CDs) as selective optical labels. It consists of a Reverse Flow Injection Analysis (RFIA) approach implemented in a Cyclic Olefin Copolymer (COC)-microfluidic system. Heavy metal quantification is based on measurement of fluorescence quenching by a miniaturized optical detection system.

Original languageEnglish
Number of pages2
ISBN (Electronic)9781733419000
Publication statusPublished - 2019

Publication series

Name23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019

Keywords

  • Carbon Dots
  • Fluorescence quenching
  • Heavy metals
  • Microfluidic system
  • Reverse Flow Injection Analysis

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