深圳大学“柔性可拉伸电子”方向招聘青年教师及博士后; 深圳大学光电子器件与系统教育部重点实验室拟招聘博士后研究人员1-2名; 深圳大学光电工程学院“光子技术与器件”研究方向博士后招聘; 深圳大学光电子器件与系统教育部重点实验室,国家“青年千人”获得者、深圳大学特聘教授王科拟招聘博士后研究人员1-2名;

2017学术报告十五_ELECTRONIC EXCITATION ENERGY TRANSFER IN BIOLOGICAL

发表于 2017-04-21 16:22


题目:ELECTRONIC EXCITATION ENERGY TRANSFER IN BIOLOGICAL MACROMOLECULES

时间:2017420日(周四)下午2

地点:北校区光电所346会议室

报告人:Valeriy M. YashchukTaras Shevchenko National University of Kyiv, Ukraine

摘要:In this talk, the results on spectral properties of biological macromolecules (DNA, RNA, proteins) and their low-molecular model compounds will be presented and discussed. The investigation involved steady-state, time-resolved and polarization studies of optical absorption, fluorescence, phosphorescence of biomolecules at ambient and low temperatures and allowed us to determine the positions  of singlet and triplet electronic energy levels in macromolecules of DNA, RNA and Human Serum Albumin (HSA). The existence of a migration of singlet and triplet excitations in DNA and RNA macromolecules was shown and nature of traps for the migrating excitations was determined. The results on the electronic excitation energy transfer (EEET) in DNA, RNA and HSA macromolecules will be presented and the related inherent functional properties of biological systems will be deliberated, including phenomenon of DNA and RNA self-protection

简历:Prof. Dr. Valeriy M. Yashchuk is a Head of Experimental Physics Department of Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. He holds his Ph.D. and Doctor of Sciences (D.Sc.) degrees in physics from the same university. His scientific expertise lies in a field of area of photonics of organic media, he has published more than 250 peer-reviewed articles in this and related domains.

Prof. Yashchuk’s current research interests include:

Electronic excitation energy transfer in macromolecules

Organic light emitting diodes, solar photovoltaics

Processes of aging and degradation of organic systems

Photophysics of biological objects

Photoinduced therapy of cancer and other diseases.

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