Conferences

55th Annual Meeting of the European Society for Dermatological Reeearch 2026 Dual Role of Sorbic Derivatives in Melanin Photoprotection: Probing and Quenching Triplet-State Photoreactivity Mokrzyński K., Szewczyk G., Sarna T. Heidelberg, Germany talk Conference ↗

50th FEBS Congress 2026 From Triplet Quenching to Photoprotection: Sorbic Derivatives Reduce Singlet-Oxygen–Driven Melanin Photodegradation and ARPE-19 cell damage Mokrzyński K., Kowalczyk A., Szewczyk G., Sarna T. Maastricht, Netherlands Presenting author poster

4th European Symposium on Phytochemicals in Medicine and Food 2026 Antioxidant and photoprotective effects of Rosa rugosa pomace extracts: EPR, spectrophotometric analysis and keratinocyte–melanocyte co-culture studies Kowalska G., Mokrzyński K., Rzepkowska G., Oracz J. Aveiro, Portugal co-author talk

26th International Pigment Cell Conference 2026 The effect of solar irradiation on roughness and nanomechanical properties of melanocytes Poręba Ł., Fil M., Mokrzyński K., Sarna M. New Delhi, India co-author poster

43rd American Society for Photobiology Biennial Meeting 2026 Monitoring the triplet excited states of synthetic and natural melanins by application of diene probes with different electric charge Mokrzyński K., Szewczyk G., Sarna T. Scottsdale, AZ, USA Co-author talk

2nd Junior Meeting of the European Society for Photobiology 2026 Triplet-state reactivity of eumelanin and pheomelanin probed by time-resolved singlet oxygen phosphorescence Mokrzyński K., Szewczyk G., Sarna T. online presenting author talk

53rd Winter School of FBBB 2026 2026 Analysis of changes in roughness and nanomechanical properties of melanocytes irradiated with a solar simulator Poręba Ł., Mokrzyński K., Sarna M. Stryszawa, Poland co-author poster

53rd Winter School of FBBB 2026 2026 Mapping of the triplet excited states of melanins using time-resolved singlet oxygen phosphorescence detection Mokrzyński K., Szewczyk G., Sarna T. Stryszawa, Poland presenting author talk Conference ↗

53rd Winter School of FBBB 2026 2026 Direct measurements of singlet oxygen – from simple solvents to cell cultures Szewczyk G., Mokrzyński K., Sarna T. Stryszawa, Poland co-author talk Conference ↗

XIIIth International Workshop on EPR in Biology and Medicine 2025 Pmel17 knockdown effect on melanoma cells and tumors Sopel J., Sarad K., Kozińska A., Mokrzyński K., Szczygieł D., Murzyn A., Słomiński A., Szczygieł M., Elas M. Krakow, Poland Co-author poster

XIIIth International Workshop on EPR in Biology and Medicine 2025 Analysis of changes in roughness and nanomechanical properties of melanocytes irradiated with a solar simulator Poręba Ł., Mokrzyński K., Sarna M. Krakow, Poland Co-author poster

XIIIth International Workshop on EPR in Biology and Medicine 2025 Photoreactive Properties of Melanin Obtained from Human Induced Pluripotent Stem Cell-Derived Melanocytes Mokrzyński K., Sarna M., Sarna T. Krakow, Poland Presenting author talk

21st ESP Congress 2025 Modification of the efficiency of melanin to photogenerate singlet oxygen by selected quenchers of triplet excited states Mokrzyński K., Szewczyk G., Sarna T. Bari, Italy Co-author talk

21st ESP Congress 2025 The double-edged sword dilemma – photoreactivity and antioxidant action of melanin pigments demonstrated in synthetic and natural melanins Mokrzyński K., Szewczyk G., Żądło A., Ito S., Wakamatsu K., Sarna M., Sarna T. Bari, Italy Presenting author talk

49th FEBS Congress 2025 Application of selected diene probes to monitor excited triplet states of synthetic melanins Mokrzyński K., Szewczyk G., Sarna T. Istanbul, Turkey Presenting author poster

25th Annual Meeting of the ESPCR 2024 Physicochemical properties of melanin obtained from human induced pluripotent stem cell-derived melanocytes Sarna M., Mokrzyński K., Wojtala M., Sulkowski M., Ito S., Wakamatsu K., Zadlo A., Majka M., Sarna T. Marseille, France Co-author talk

IUPB-MEPSA World Congress 2024 2024 Photooxidation of eumelanin affects its efficiency to photogenerate and quench singlet oxygen Mokrzyński K., Żądło A., Szewczyk G., Sarna M. Ito S., Wakamatsu K., Sarna T. Perth, Australia Co-author oral

48th FEBS Congress 2024 Photoreactivity of Polycyclic Aromatic Hydrocarbons (PAHs) and its mechanisms of phototoxicity against human immortalized keratinocytes (HaCaT) Mokrzyński K., Szewczyk G. Milan, Italy Presenting author poster

2024 Biennial Meeting of the ASP 2024 Application of selected diene probes to monitor excited triplet states of synthetic eumelanin and pheomelanin Sarna T., Mokrzyński K., Szewczyk G. Chicago, USA Co-author talk

VIIth EMR Forum 2024 The effect of oxidative degradation of Dopa-melanin on its basic physicochemical properties and photoreactivity Mokrzyński K. Zielona Góra, Poland Presenting author talk

25th International Pigment Cell Conference 2023 Photoreactivity and phototoxicity of hair melanosomes subjected to aerobic photolysis Mokrzyński K., Sarna M. Sarna T. Bilbao, Spain Co-author poster

25th International Pigment Cell Conference 2023 Analysis of melanin pigmentation in human melanoma cells with different metastatic potential Sarna M., Mokrzyński K. Bilbao, Spain Co-author talk

XIIth International Workshop on EPR in Biology and Medicine 2022 Photodegradation of melanosomes from human hair samples Mokrzyński K., Sarna M., Camenisch TG., Sarna T., Sarna M. Krakow, Poland Presenting author talk

VIth EMR Forum 2022 Photoreactive and antioxidative properties of natural melanin pigments Mokrzyński K., Sarna M., Camenisch TG., Sarna T. Szczecin, Poland Presenting author talk

XIIth International EPR Workshop on EPR in Biology and Medicine 2022 Photochemical activity of isomeric forms of benzopyrene: benzo[a]pyrene and benzo[e]pyrene Mokrzyński K., Szewczyk G., Sarna T. Krakow, Poland Presenting Author poster

49th Winter School of the FBBB JU 2022 Resveratrol and ascorbic acid protect human keratinocytes against PM_2.5 phototoxicity Mokrzyński K., Krzysztyńska-Kuleta O., Sarna M., Sarna T Krakow, Poland Presenting author poster

19th Congress of the European Society for Photobiology 2021 Photoreactive properties of melanin from different skin phototypes and the contribution of melanin subunits Mokrzyński K., Ito S., Wakamatsu K., Camenisch TG., Sarna T., Sarna M. online Presenting author talk

The 45th FEBS Congress 2021 Phototoxicity of ambient particulate matter against human keratinocyte cell line (HaCaT) Mokrzyński K., Krzysztyńska-Kuleta O., Sarna M. online Presenting author poster

48th Winter School of FBBB JU 2021 Photoreactivity of natural melanins from different skin phototypes Mokrzyński K., Camenisch TG., Sarna T., Sarna M. online Presenting author poster

48th Winter School of FBBB JU 2021 Photoexcited particulate matter PM2.5 exhibit phototoxic properties against human keratinocytes Mokrzyński K., Krzyszyńska-Kuleta O., Sarna T., Sarna M. online presenting author talk

48th Winter School of FBBB JU 2021 The effect of quercitin on photic stress mediated by rhodopsin photobleaching products in retinal pigment epithelium (RPE) Olchawa M., Krzysztyńska-Kuleta O., Mokrzyński K., Duda M., Sarna P., Sarna T. Online Co-author talk

XLVII International Winter School of the FBBB JU 2020 Photoreactive properties of melanin pigments derived from keratinous structures and its effect on viability and mechanical properties of HaCaT cells. Mokrzyński K., Żądło A., Sarna T., Sarna M. Zakopane, Poland Presenting author poster

XLVII International Winter School of the FBBB JU 2020 Uncovering the phototoxic potential of ambient particulate matter – the biophysical approach Mokrzyński K., Krzysztyńska-Kuleta O., Sarna T., Sarna M. Zakopane. Poland Presenting author poster

XLVII International Winter School of the FBBB JU 2020 Uncovering the phototoxic potential of ambient particulate matter – the molecular approach Krzysztyńska-Kuleta O., Mokrzyński K., Sarna T. Zakopane, Poland Co-author poster

XIth International Workshop on EPR in Biology and Medicine 2019 Phototoxicity of Rhodopsin Photobleaching Products in the Retinal Pigment Epithelium (RPE) In Vitro and the Protective Effect of Quercetin Olchawa M., Krzysztyńska-Kuleta O., Mokrzyński K., Sarna T. Krakow, Poland Co-author poster

XIth International Workshop on EPR in Biology and medicine 2019 Photodegradation of synthetic melanin pigments and its consequence on their photoreactive properties Mokrzīński K., Żądło A., Sarna T., Sarna M. Krakow, Poland Presenting author poster

XIth International Workshop on EPR in Biology and Medicine 2019 The Influence of Iron on Selected Properties of Synthetic Pheomelanin Żądło A., Mokrzyński K., Ito S., Wakamatsu K., Sarna T. Krakow, Poland Co-author talk

XIth International Workshop on EPR in Biology and Medicine 2019 Photochemistry of Melanin Pigments – Role of Free Radicals and Excited States Żądło A., Szewczyk G., Mokrzyński K., Sarna M., Sagan F., Mitoraj M, . Sidabras J., Camenisch T., Ito S., Wakamatsu K., Sarna, T. Krakow, Poland co-author talk

World Congress on Light and Life (17th Congress of the International Union of Photobiology and 18th Congress of the European Society for Photobiology) 2019 Photoreactive properties of natural melanin pigments and its effect on HaCaT cells Mokrzyński K., Żądło A., Szewczyk G., Sarna T., Sarna M Barcelona, Spain Presenting author poster

21th ESPCR Meeting 2018 Generation of singlet oxygen and superoxide anion by natural melanin pigments Sarna M., Mokrzyński K., Żądło A., Szewczyk G., Sarna T. Rennes, France co-author talk Conference ↗