Ratiometric fluorescent sensor based oxazolo-phenazine derivatives for detect hypochlorite via oxidation reaction and its application in environmental samples

Abstract In this work, we designed and synthesized a ratiometric fluorescent sensor (POC) based phenazine derivative which can specifically detect hypochlorite (detection limit equals to 8.9 × 10−7 M) in DMSO/H2O (3:7, v/v) solution. With addition of hypochlorite to the solution of POC, hypochlorite broken π-π stacking of POC, and then oxidizes sulfur atoms in phenazine groups to sulfoxide, which resulted in the fluorescent color changed from blue to yellow. Job's plot showed that binding stoichiometry of POC with ClO− was 2:1. In addition, POC could be used to real-time detect hypochlorite in environment samples, and the naked eyes detection limit reached up to 7 × 10−5 M.

• Publication year

  2020

• Venue

  Dyes and Pigments

• Publication date

  Unknown publication date

• Fields of study

  Chemistry, Environmental Science

• Identifiers
  DOI 10.1016/J.DYEPIG.2019.107765
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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