Projects (19)

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  • Elucidation of the self-repair mechanism of the light-driven water oxidation in photosystem II (PSII): Crystallization of the Mn-depleted PSII and its structural/functional analysis

    Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

    Duration of Project: 11/2012 - 10/2017

    Financer: DFG-Exzellenzinitiative: Cluster

    Photosystem II (PSII) of oxygenic photosynthesis has the unique capability of utilizing visible light to oxidize water at the Mn4CaO5-cluster (the water oxidizing complex, WOC). Important progress in elucidating the molecular structure of the WOC has ...

  • Elucidation of the photo-assembly mechanism of the light-driven water oxidizing complex in photosystem II

    Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

    Duration of Project: 11/2017 - 12/2018

    Financer: DFG-Exzellenzinitiative: Cluster

    Oxygen photosynthesis in green plants, algae and cyanobacteria is catalyzed by the two large membrane protein complexes Photosystem I (PSI) and Photosystem II (PSII). Both complexes contain a reaction center (RC) that conducts a light-driven charge t ...

  • CRC 951/2: HIOS – Coordination Project (SP Z03)

    Koch, Norbert, Prof. Dr. techn. (Structure, Dynamics and electronic Properties of Molecular Systems)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    Z03 is responsible for the distribution, administration, and supervision of the CRCs central funds. This includes the allocation of travel and visiting researcher funds to the projects of the CRC as well as the approval of business trips and invitati ...

  • CRC 1078/1: Structural Basis of Proton Release in Water Oxidation by Photosystem II (SP A05)

    Zouni, Athina, (Experimental Biophysics)

    Duration of Project: 01/2013 - 03/2021

    Financer: DFG: Sonderforschungsbereich - Beteiligungen

    In oxygenic photosynthesis, water is oxidized and dioxygen is formed at the Mn4Ca complex of photosystem II (PSII), a 750 kDa protein-cofactor complex embedded in the thylakoid membrane of plants and cyanobacteria. Reliable structural models of PSII ...

  • Connecting Scales in Vibrational Imaging: Synchrotron Microscopy Station for Spatial-, Temporal- and Polarization-Resolved Spectroscopy

    Kneipp, Janina, Prof. Dr. rer. nat. (Physical Chemistry)

    Duration of Project: 07/2019 - 06/2022

    Financer: BMBF
    The characterisation of the molecular structure, composition and interactions of a biological, inorganic or synthesised material is a prerequisite for understanding its properties and functions.
    Through infrared (IR) absorption or Raman scattering, ...
  • Cluster formation of dense fluids

    Christen, Wolfgang, Prof. Dr. rer. nat. (Physical and Theoretical Chemistry III)

    Duration of Project: 04/2010 - 09/2012

    Financer: DFG: Eigene Stelle (Sachbeihilfe)

    The condensation of supersaturated gases is of fundamental relevance in a number of research fields, such as atmospheric and environmental chemistry, chemical engineering, and process technology. At present this topic experiences a remarkable renaiss ...

  • Bestimmung der Translationstemperatur bei der Hochdruck-Molekularstrahlexpansion kleiner Moleküle (II)

    Christen, Wolfgang, Prof. Dr. rer. nat. (Physical and Theoretical Chemistry III)

    Duration of Project: 01/2008 - 06/2009

    Financer: DFG: Sachbeihilfe

    Überkritische Fluide werden vielfach als Lösungsmittel und zum Transport nichtflüchtiger und thermisch labiler Moleküle eingesetzt. Ihre Überschallexpansion im Molekularstrahl ist hinsichtlich der grundlegenden Prozesse wie adiabatische Abkühlung und ...

  • Bestimmung der Translationstemperatur bei der Hochdruck-Molekularstrahlexpansion kleiner Moleküle (I)

    Christen, Wolfgang, Prof. Dr. rer. nat. (Physical and Theoretical Chemistry III)

    Duration of Project: 07/2006 - 06/2007

    Financer: DFG: Sachbeihilfe

    Eine aktuelle Frage bei der Anwendung gepulster Überschall-Molekularstrahlen betrifft die bei einer Hochdruckexpansion maximal erzielbare Abkühlung der Moleküle. Während hohe Stagnationsdrücke bereits erfolgreich eingesetzt werden, um mittels überkri ...

  • Molekularstrahlexpansion nichtflüchtiger Moleküle

    Christen, Wolfgang, Prof. Dr. rer. nat. (Physical and Theoretical Chemistry III)

    Duration of Project: 06/2003 - 08/2003

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