Unravelling structures of radicals of kynurenic acid formed in the photoinduced reactions with tryptophan and N-acetyl tyrosine

Olga B. Morozova, Maksim P. Geniman, Mikhail S. Panov, Natalya N. Fishman, Alexandra V. Yurkovskaya and Peter S. Sherin

Phys. Chem. Chem. Phys., 2022, 24, 27558
DOI: 10.1039/D2CP03245G

Competition of singlet and triplet recombination of radical pairs in photoreactions of carboxy benzophenones and aromatic amino acids

Olga B. Morozova, Peter S. Sherin and Alexandra V. Yurkovskaya

Phys. Chem. Chem. Phys., 2019, 21, 2017
DOI: 10.1039/C8CP06760K

Ultrafast excited state decay of natural UV filters: from intermolecular hydrogen bonds to a conical intersection

Peter S. Sherin, Yuri P. Tsentalovich, Eric Vauthey and Enrico Benassi

Phys. Chem. Chem. Phys., 2018, 20, 15074
DOI: 10.1039/C8CP02183J

Kynurenic acid and its chromophoric core 4-hydroxyquinoline react with tryptophan via proton-coupled electron transfer, and with tyrosine via H-transfer

Olga B. Morozova, Alexandra V. Yurkovskaya and Peter S. Sherin

Phys. Chem. Chem. Phys., 2021, 23, 22483
DOI: 10.1039/D1CP03496K

Formation and characterization of crosslinks, including Tyr–Trp species, on one electron oxidation of free Tyr and Trp residues by carbonate radical anion

Juan David Figueroa, Ana María Zárate, Eduardo Fuentes-Lemus, Michael J. Davies and Camilo López-Alarcón

RSC Adv., 2020, 10, 25786
DOI: 10.1039/D0RA04051G

Influence of pH on radical reactions between kynurenic acid and amino acids tryptophan and tyrosine. Part II. Amino acids within the protein globule of lysozyme

Yuliya S. Zhuravleva and Peter S. Sherin

Free Radical Biology and Medicine, 2021, 174, 211
DOI: 10.1016/j.freeradbiomed.2021.08.001

Disproportionation and dimerisation of kynurenic acid under UV light

Olga B. Morozova, Yuliya S. Zhuravleva, Maksim P. Geniman, Alexandra V. Yurkovskaya and Peter S. Sherin

Journal of Photochemistry and Photobiology A: Chemistry, 2023, 445, 115009
DOI: 10.1016/j.jphotochem.2023.115009

Influence of medium viscosity on photophysical properties of kynurenic acid and kynurenine yellow

E. A. Zelentsova, P. S. Sherin, Yu. P. Tsentalovich and R. Z. Sagdeev

Russ Chem Bull, 2017, 66, 267
DOI: 10.1007/s11172-017-1727-6

Acid-alkaline properties of triplet state and radical of kynurenic acid

Yuliya S. Zhuravleva and Yuri P. Tsentalovich

Journal of Photochemistry and Photobiology A: Chemistry, 2018, 365, 7
DOI: 10.1016/j.jphotochem.2018.07.029

Photo-Oxidation of Therapeutic Protein Formulations: From Radical Formation to Analytical Techniques

Elena Hipper, Michaela Blech, Dariush Hinderberger, Patrick Garidel and Wolfgang Kaiser

Pharmaceutics, 2021, 14, 72
DOI: 10.3390/pharmaceutics14010072

Oxygenation is the main pathway for the reaction between superoxide anion and tryptophan radical

Yuliya S. Zhuravleva and Petr S. Sherin

Journal of Photochemistry and Photobiology A: Chemistry, 2025, 469, 116571
DOI: 10.1016/j.jphotochem.2025.116571

PLA–PEG Micelles Loaded with a Classic Vasodilator for Oxidative Cataract Prevention

Lu Xu, Wen-Xiu Qiu, Wen-Long Liu, Chi Zhang, Mei-Zhen Zou, Yun-Xia Sun and Xian-Zheng Zhang

ACS Biomater. Sci. Eng., 2019, 5, 407
DOI: 10.1021/acsbiomaterials.8b01089

Optical properties of the human lens constituents

Ekaterina A. Zelentsova, Lyudmila V. Yanshole, Anjella Zh. Fursova and Yuri P. Tsentalovich

Journal of Photochemistry and Photobiology B: Biology, 2017, 173, 318
DOI: 10.1016/j.jphotobiol.2017.06.005

Human cataractous lenses contain cross-links produced by crystallin-derived tryptophanyl and tyrosyl radicals

Verônica Paviani, Paulo Junqueira de Melo, Amaryllis Avakin, Paolo Di Mascio, Graziella Eliza Ronsein and Ohara Augusto

Free Radical Biology and Medicine, 2020, 160, 356
DOI: 10.1016/j.freeradbiomed.2020.08.020

Influence of pH on radical reactions between kynurenic acid and amino acids tryptophan and tyrosine. Part I. Amino acids in free state

Yuliya S. Zhuravleva and Peter S. Sherin

Free Radical Biology and Medicine, 2021, 172, 331
DOI: 10.1016/j.freeradbiomed.2021.06.015

Superoxide radicals react with peptide-derived tryptophan radicals with very high rate constants to give hydroperoxides as major products

Luke Carroll, David I. Pattison, Justin B. Davies, Robert F. Anderson, Camilo Lopez-Alarcon and Michael J. Davies

Free Radical Biology and Medicine, 2018, 118, 126
DOI: 10.1016/j.freeradbiomed.2018.02.033

Reactivity and degradation products of tryptophan in solution and proteins

Stephanie Bellmaine, Alisa Schnellbaecher and Aline Zimmer

Free Radical Biology and Medicine, 2020, 160, 696
DOI: 10.1016/j.freeradbiomed.2020.09.002

Oxidative Crosslinking of Peptides and Proteins: Mechanisms of Formation, Detection, Characterization and Quantification

Eduardo Fuentes-Lemus, Per Hägglund, Camilo López-Alarcón and Michael J. Davies

Molecules, 2021, 27, 15
DOI: 10.3390/molecules27010015

Quantification of Indoor Ocular Exposure to Solar Ultraviolet Light With Four Room Orientations: Using a Model Monitor Embedded in a Manikin Head

Hui Hua, Rentong Chen, Tianyao Yang, Dan Yang, Yan Deng and Yang Liu

IEEE Access, 2020, 8, 13387
DOI: 10.1109/ACCESS.2020.2966687

Identification and characterization of protein cross-links induced by oxidative reactions

Per Hägglund, Michele Mariotti and Michael J. Davies

Expert Review of Proteomics, 2018, 15, 665
DOI: 10.1080/14789450.2018.1509710

Oxidative Modification of Proteins: From Damage to Catalysis, Signaling, and Beyond

Marilene Demasi, Ohara Augusto, Etelvino J.H. Bechara, Renata N. Bicev, Fernanda M. Cerqueira, Fernanda M. da Cunha, Ana Denicola, Fernando Gomes, Sayuri Miyamoto, Luis E.S. Netto, Lía M. Randall, Cassius V. Stevani and Leonor Thomson

Antioxidants & Redox Signaling, 2021, 35, 1016
DOI: 10.1089/ars.2020.8176

Visualising UV-A light-induced damage to plasma membranes of eye lens

Peter S. Sherin, Aurimas Vyšniauskas, Ismael López-Duarte, Peter R. Ogilby and Marina K. Kuimova

Journal of Photochemistry and Photobiology B: Biology, 2021, 225, 112346
DOI: 10.1016/j.jphotobiol.2021.112346

Post-mortem changes in the metabolomic compositions of rabbit blood, aqueous and vitreous humors

Ekaterina A. Zelentsova, Lyudmila V. Yanshole, Olga A. Snytnikova, Vadim V. Yanshole, Yuri P. Tsentalovich and Renad Z. Sagdeev

Metabolomics, 2016, 12
DOI: 10.1007/s11306-016-1118-2

Influence of viscosity on mechanism and products of radical reactions of kynurenic acid and tryptophan

E. D. Savina, Yu. P. Tsentalovich and P. S. Sherin

Russ Chem Bull, 2021, 70, 2339
DOI: 10.1007/s11172-021-3350-9

Formation and detection of oxidant-generated tryptophan dimers in peptides and proteins

Luke Carroll, David I. Pattison, Justin B. Davies, Robert F. Anderson, Camilo Lopez-Alarcon and Michael J. Davies

Free Radical Biology and Medicine, 2017, 113, 132
DOI: 10.1016/j.freeradbiomed.2017.09.020

UV-A induced damage to lysozyme via Type I photochemical reactions sensitized by kynurenic acid

Ekaterina D. Savina, Yuri P. Tsentalovich and Peter S. Sherin

Free Radical Biology and Medicine, 2020, 152, 482
DOI: 10.1016/j.freeradbiomed.2019.11.017

Kinetic Studies of Antioxidant Properties of Ovothiol A

Nataliya A. Osik, Ekaterina A. Zelentsova and Yuri P. Tsentalovich

Antioxidants, 2021, 10, 1470
DOI: 10.3390/antiox10091470

Dimerization and oxidation of tryptophan in UV-A photolysis sensitized by kynurenic acid

Ekaterina D. Sormacheva, Peter S. Sherin and Yuri P. Tsentalovich

Free Radical Biology and Medicine, 2017, 113, 372
DOI: 10.1016/j.freeradbiomed.2017.10.007

Proton-coupled electron transfer as the mechanism of reaction between triplet state of kynurenic acid and tryptophan

Yuliya S. Zhuravleva, Olga B. Morozova, Yuri P. Tsentalovich and Peter S. Sherin

Journal of Photochemistry and Photobiology A: Chemistry, 2020, 396, 112522
DOI: 10.1016/j.jphotochem.2020.112522

Metabolomics of the human aqueous humor

Olga A. Snytnikova, Anastasiya A. Khlichkina, Lyudmila V. Yanshole, Vadim V. Yanshole, Igor A. Iskakov, Elena V. Egorova, Denis A. Stepakov, Vladimir P. Novoselov and Yuri P. Tsentalovich

Metabolomics, 2017, 13
DOI: 10.1007/s11306-016-1144-0