RESEARCH INTERESTS

EPR spectroscopy, X-ray spectroscopy, Photosystem II

ABOUT/BIOGRAPHY

Maria Chrysina studied Biology at the University of Athens, followed by postgraduade studies in Bioinorganic Chemistry. During her PhD, she studied Photosystem II by Electron Paramagnetic Resonance Spectroscopy at the respective laboratory of NCSR “Demokritos”. She introduced in X-ray spectroscopy during post doc time in Max Planck Institute of Chemical Energy Conversion. Her main research interest is characterization of intermediates during the water spitting reaction in Photosystem II by spectroscopic techniques (continuous wave and pulse EPR, X-ray spectroscopy).

PUBLICATIONS

Chrysina, M., Zahariou, G., Ioannidis, N., Sanakis, Y. and Mitrikas, G., Electronic structure of tyrosyl D radical of photosystem II, as revealed by 2D-hyperfine sublevel correlation spectroscopy Magnetochemistry, Volume 7, Article Number: 131, 2021 [doi]

Stamos, Nikolaos-Angelos, Ferentinos, Eleftherios, Chrysina, Maria, Raptopoulou, Catherine P., Psycharis, Vassilis, Sanakis, Yiannis, Pantazis, Dimitrios A., Kyritsis, Panayotis and Mitrikas, George, Unusual P-31 Hyperfine Strain Effects in a Conformationally Flexible Cu(II) Complex Revealed by Two-Dimensional Pulse EPR Spectroscopy INORGANIC CHEMISTRY, Volume 59, Pages: 3666-3676, 2020 [doi]

Stamos, N.-A., Ferentinos, E., Chrysina, M., Raptopoulou, C.P., Psycharis, V., Sanakis, Y., Pantazis, D.A., Kyritsis, P. and Mitrikas, G., Unusual 31P Hyperfine Strain Effects in a Conformationally Flexible Cu(II) Complex Revealed by Two-Dimensional Pulse EPR Spectroscopy Inorganic Chemistry, Volume 59, Pages: 3666-3676, 2020 [doi]

Lubitz, W., Chrysina, M. and Cox, N., Water oxidation in photosystem II Photosynthesis Research, Volume 142, Pages: 105-125, 2019 [doi]

Chrysina, M., Heyno, E., Kutin, Y., Reus, M., Nilsson, H., Nowaczyk, M.M., DeBeer, S., Neese, F., Messinger, J., Lubitz, W. and Cox, N., Five-coordinate MnIV intermediate in the activation of nature’s water splitting cofactor Proceedings of the National Academy of Sciences of the United States of America, Volume 116, Pages: 16841-16846, 2019 [doi]

Chrysina, M., De Mendonça Silva, J.C., Zahariou, G., Pantazis, D.A. and Ioannidis, N., Proton Translocation via Tautomerization of Asn298 during the S 2 -S 3 State Transition in the Oxygen-Evolving Complex of Photosystem II Journal of Physical Chemistry B, Volume 123, Pages: 3068-3078, 2019 [doi]

Morton, J., Chrysina, M., Craig, V.S.J., Akita, F., Nakajima, Y., Lubitz, W., Cox, N., Shen, J.-R. and Krausz, E., Structured near-infrared Magnetic Circular Dichroism spectra of the Mn4CaO5 cluster of PSII in T. vulcanus are dominated by Mn(IV) d-d ‘spin-flip’ transitions Biochimica et Biophysica Acta - Bioenergetics, Volume 1859, Pages: 88-98, 2018 [doi]

Zahariou, G., Chrysina, M., Petrouleas, V. and Ioannidis, N., Can we trap the S 3 y Z metalloradical intermediate during the S-state transitions of Photosystem II? An EPR investigation FEBS Letters, Volume 588, Pages: 1827-1831, 2014 [doi]

Chrysina, M., Zahariou, G., Sanakis, Y., Ioannidis, N. and Petrouleas, V., Conformational changes of the S2YZ intermediate of the S 2 to S3 transition in photosystem II Journal of Photochemistry and Photobiology B: Biology, Volume 104, Pages: 72-79, 2011 [doi]

Chrysina, M., Zahariou, G., Ioannidis, N. and Petrouleas, V., Conversion of the g=4.1 EPR signal to the multiline conformation during the S2 to S3 transition of the oxygen evolving complex of Photosystem II Biochimica et Biophysica Acta - Bioenergetics, Volume 1797, Pages: 487-493, 2010 [doi]

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