Kinetics of phycocyanine bilin groups destruction by peroxyl radicals.

@article{Lissi2000KineticsOP,
  title={Kinetics of phycocyanine bilin groups destruction by peroxyl radicals.},
  author={Eduardo A. Lissi and Margarita Pizarro and Alexis Asp{\'e}e and C H Romay},
  journal={Free radical biology & medicine},
  year={2000},
  volume={28 7},
  pages={1051-5}
}
Bilin groups in c-phycocyanine are readily bleached by peroxyl radicals produced in the thermolysis of 2, 2'-azobis(2-amidinopropane). From an evaluation of the bilin groups destroyed per radical that interacts with the protein, it is concluded that the bilin moiety is the main target of the radicals. Kinetic expressions are derived that allows an estimation of the substrate reactivity from the analysis of the rate of bilin group modification as a function of the protein concentration. From… CONTINUE READING

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