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Keywords:

  • analytical methods;
  • chemosensors;
  • environmental chemistry;
  • porphyrinoids;
  • sensors

Graphical Abstract

Thumbnail image of graphical abstract

Seeing sense: The detection of detailed absorption and emission responses caused by amines, CO, and NOx is possible using an inexpensive array of porphyrins as sensors combined with a computer screen and web camera. The computer-screen image shows the array in the presence of triethylamine. [Zn]=[Zn(tpp)], [Fe]=[Fe(tppCl)] (tpp=5,10,15,20-tetraphenylporphyrin), BD=2,3,17,18-tetraethyl-7,8,12,13-tetramethyl-a,c-biladiene dihydrobromide.