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within Petko Chernev Remove this filter Life Sciences Remove this filter Biological and Medical Physics, Biophysics Remove this filter

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    Chapter and Conference Paper

    Water Oxidation in Photosystem II: Energetics and Kinetics of Intermediates Formation in the S2→S3 and S3→S0 Transitions Monitored by Delayed Chlorophyll Fluorescence

    Water oxidation by Photosystem II (PSII) is a process of fundamental importance for atmosphere (O2 production) and biosphere (primary biomass formation). In order to understand this basic biological process and t...

    Ivelina Zaharieva, Markus Grabolle… in Photosynthesis Research for Food, Fuel and… (2013)

  2. No Access

    Chapter and Conference Paper

    Coordination Changes of Carboxyl Ligands at the QAFeQB Triad in Photosynthetic Reaction Centers Studied by Density-Functional Theory

    The electron exit pathway of photosystem II (PSII) in plants and cyanobacteria comprises two quinone molecules (QA and QB) working in a series and in between a non-heme iron atom with a carboxyl ligand. Currently...

    Petko Chernev, Ivelina Zaharieva, Holger Dau… in Photosynthesis Research for Food, Fuel and… (2013)

  3. No Access

    Chapter and Conference Paper

    Modulated Sink-Source Interactions Preserve PSII Electron Transport from Senescence-Induced Inactivation in a Model System with Expanded Life Span Induced by Decapitation of Bean Plants

    One Of The Approaches To Create Different Physiological States In Plants Of The Same Ontogenetic Age Is Decapitation, I.E. Removal Of The Top Stem Bud Without Or In Combination With Consecutive Removal Of Newl...

    Ivan Yordanov, Vasilij Goltsev, Petko Chernev… in Photosynthesis. Energy from the Sun (2008)

  4. No Access

    Chapter and Conference Paper

    Electromagnetic Frequency Spectra of Samples Placed in a Coil That Senses the Electromagnetic Background Field: Application for Leaves, Chloroplasts and Molecules Useful in Photosynthesis

    We Are Continuously Surrounded By An Electromagnetic Field Which Can Be Picked Up By A Conducting Coil And Stored In A Computer For Further Analysis. This Field Is An Electromagnetic Background Noise. The Aim ...

    Vasilij Goltsev, Merope Tsimilli-Michael… in Photosynthesis. Energy from the Sun (2008)