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Keywords:

  • chemosensors;
  • fluorescence;
  • mesoporous materials;
  • methylmercury
Thumbnail image of graphical abstract

The affinity of methylmercury towards capping leuko-squaraine groups (see picture, white) induces the opening of the pores of a capped mesoporous hybrid material and the release of entrapped safranine dyes (orange), thus allowing the selective optical detection of methylmercury in complex biological samples.