Time-Resolved Electron Paramagnetic Resonance Investigation on the Quenching Reaction of Photo-Induced Excited Triplet Vitamin K3by Antioxidant Vitamin C in Homogeneous and Micelle Solutions
“…26 In recent years, our group has been investigating the dynamic processes and reaction mechanisms of polycyclic and biological quinone molecules with vitamin C, vitamin E, and amino acids. 12,27–29 The photosensitive reaction processes involving excited triplet states of quinones or ketones and free monomer amino acids are well understood after decades of investigation. However, reports on the photosensitive damaging reactions of peptides or dipeptides with multiple reaction sites are not common due to their complexity.…”
We illustrate the influence of dipeptide structure on the photosensitive damage kinetic mechanism using acenaphthenequinone (ACQ) as triplet photosensitizer. With the tyrosine (Tyr) serving as the core structure, two classic...
“…26 In recent years, our group has been investigating the dynamic processes and reaction mechanisms of polycyclic and biological quinone molecules with vitamin C, vitamin E, and amino acids. 12,27–29 The photosensitive reaction processes involving excited triplet states of quinones or ketones and free monomer amino acids are well understood after decades of investigation. However, reports on the photosensitive damaging reactions of peptides or dipeptides with multiple reaction sites are not common due to their complexity.…”
We illustrate the influence of dipeptide structure on the photosensitive damage kinetic mechanism using acenaphthenequinone (ACQ) as triplet photosensitizer. With the tyrosine (Tyr) serving as the core structure, two classic...
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