Chemiluminescence associated with singlet oxygen reactions with amino acids, peptides and proteins.

  title={Chemiluminescence associated with singlet oxygen reactions with amino acids, peptides and proteins.},
  author={Emilio Alarc{\'o}n and Carola Henr{\'i}quez and Alexis Asp{\'e}e and Eduardo A. Lissi},
  journal={Photochemistry and photobiology},
  volume={83 3},
Low level chemiluminescence (CL) is observed after protein oxidation mediated by singlet oxygen produced in Rose Bengal (RB) irradiation. This CL lasts for several minutes after the end of the photolysis. In this work, the mechanism of the process was assessed from the spectral characteristics of the CL and the effect of antioxidants (Trolox or ascorbate), Ebselen (a compound with peroxidase-like activity), azide (a singlet oxygen scavenger) and D2O, added prior to or after RB irradiation. It… CONTINUE READING


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