Conferences

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

presenting author

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

co-author

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

presenting author

February, 2026 Stryszawa, Poland
Direct measurements of singlet oxygen – from simple solvents to cell cultures
53rd Winter School of FBBB 2026
Szewczyk G., Mokrzyński K., Sarna T.
Talk

co-author

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

Co-author

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

Co-author

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

Presenting author

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

Co-author

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

Presenting author

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

Presenting author

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

Co-author

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

Co-author

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

Presenting author

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

Co-author

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

Presenting author

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

Co-author

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

Co-author

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

Presenting author

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

Presenting author

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

Presenting Author

February, 2022 Krakow, Poland
Resveratrol and ascorbic acid protect human keratinocytes against PM2.5 phototoxicity
49th Winter School of the FBBB JU
Mokrzyński K., Krzysztyńska-Kuleta O., Sarna M., Sarna T
Poster

Presenting author

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

Presenting author

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

Presenting author

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

Presenting author

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

presenting author

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

Co-author

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

Presenting author

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

Presenting author

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

Co-author

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

Co-author

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

Presenting author

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

Co-author

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

co-author

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

Presenting author

September, 2018 Rennes, France
Generation of singlet oxygen and superoxide anion by natural melanin pigments
21th ESPCR Meeting
Sarna M., Mokrzyński K., Żądło A., Szewczyk G., Sarna T.
Talk

co-author