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Bogumił Kazimierz Brzezinski (22 May 1943) is a polish chemist, Professor of chemistry science. Outstanding specialist in the field of infrared spectroscopy, researcher of systems containing hydrogen bonds. Co-worker of Prof. Georg Zundel. He is co-author of more than 300 original scientific publications.

Career
In 1967 he graduated Faculty of Mathematics, Physics and Chemistry at the Adam Mickiewicz University in Poznań with M.Sc. degree. Brzezinski defended his Ph.D. in 1972 and D.Sc. in 1982. He is a Professor since 1991. He was Vice-Dean of the Faculty of Chemistry UAM in the years 1990 – 1996. Currently Prof. Brzezinski is a head of the Department of Biochemistry since 1998. In the years 1975 – 1977 Brzezinski was Alexander von Humboldt Fellow at the Faculty of Biophysic of University of Munich in Germany. Many times he was visiting Professor of Humboldt University (Faculty of Biophysic Charite) in Berlin.

Research areas

 * Biochemistry, bioorganic and organic chemistry.
 * Ionophores (monensin, lasalocid), their structures, antibacterial activity and chemical modifications.
 * Ion channels, proton pumping - chemical modification, mechanism and biological activity, collective hydrogen bonds and bonds with monovalent metal cations.
 * Gossypol and its derivatives - syntheses, spectroscopic investigations and biological tests.
 * New compounds important in agriculture and medicine.
 * Acid–base reactions - the role of arginine in biological systems.
 * Chemistry of proton sponges.