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Using the Sunlight for Biocyatalysis – Development of Photo-Bioelectrode-Structures for Synthesis Isolation, Stabilization, Modification and Assembly of Photosystems and Its Components in Hybrid-Assemblies for Photo-Biocatalysis

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

Duration of Project: 08/2013 - 10/2017

The aim of the Tamdem-project is to develop light-activated electrode devices for biocatalytical purposes. Therefore photosystems or components should be combined with electrodes for an efficient photo-electron transfer. By coupling various enzyme sy ...

Usage of Solar Energy for the Bioelectrocatalysis – Photobiohybrid Eletrodes for the Light-Driven Synthesis of Valuable Substances (II, SP B)

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

Duration of Project: 02/2018 - 01/2021

The aims of the Tandem-project are light-triggered electrodes for efficient energy conversion. In the frame of the prolonged period of work it is planned to increase the efficiency of photobio-electrodes and also to couple them with enzymatic convers ...

Taking snapshots of photosynthetic water oxidation: simultaneous X-ray spectroscopy and crystallography

Zouni, Athina, Dr. (Experimental Biophysics)

Duration of Project: 11/2013 - 10/2016

The objective of this project is to study the overall protein structure and dynamics, as well as the chemical structure and dynamics of the oxygen-evolving complex (OEC) of the Photosystem II membrane bound protein, that catalyses the light-driven wa ...

Seeing into the Abyss: Critical Points and Paths on the S1 Potential Energy Surface of Stilbenes and beta-Carotene

Ernsting, Nikolaus, Prof. Ph. D. (Physical and Theoretical Chemistry II)

Duration of Project: 03/2014 - 06/2017

Stilbene, the paradigm for photoisomerisation around a double bond, is not understood despite decades of research. (i) A phantom state at 90 deg C=C twist angle is thought to be nonexistent because of fast internal conversion. However, we could stabi ...

Seeing into the Abyss: Critical Points and Paths on the S1 Potential Energy Surface of Stilbenes and beta-Carotene

Ernsting, Nikolaus, Prof. Ph. D. (Physical and Theoretical Chemistry II)

Duration of Project: 02/2016 - 07/2018

Stilbene, the paradigm for photoisomerisation around a double bond, is not understood despite decades of research. (i) A phantom state at 90 deg C=C twist angle is thought to be nonexistent because of fast internal conversion. However, we could stabi ...

Mechanistic insight into molecular catalysts during electrocatalytic reduction of oxygen and carbon dioxide

Schwalbe, Matthias, (Inorganic and General Chemistry I)

Duration of Project: 01/2019 - 09/2022

The central aim of the project is the development of electrocatalysts for the reduction of oxygen and carbon dioxide and to study their structure function relationship under in-operando conditions via spectro-electrochemical methods. The catalytic sy ...

Investigation of the chemical reactivity of molecular clusters that are exposed to extremely high energy and particle densities by means of cluster-surface collisions

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

Duration of Project: 11/2002 - 04/2006

Ziel der geplanten Arbeiten ist die Entwicklung einer neuartigen experimentellen Methode zum Studium chemischer Reaktionsabläufe in molekularen Aggregaten (2-1000 Moleküle) bei kurzzeitig außergewöhnlich hohen Energie- und Teilchendichten. Diese könn ...

Improved measurements of sensitive climate indicators

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

Duration of Project: 12/2014 - 08/2017

The formation and composition of clouds is a high priority for the improved understanding of atmospheric processes. However, precise spectroscopic data of atmospherically relevant condensation nuclei is missing. Our experimental capabilities allow th ...

EXC 314/1: Unifying Systems in Catalysis (UniSysCat)

SZF-1, Leitung Servicezentrum Forschung, (Research Service Centre)

Duration of Project: 01/2019 - 12/2025

The central scientific objective of UniSysCat (Unifying Systems in Catalysis) is to master the next stage of future challenges in catalysis: how to elucidate, create, and control reaction networks in chemical and biological catalysis at different lev ...

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

Duration of Project: 01/2019 - 12/2022

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

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

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

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 ...

DFG Research Grant: Mixed Metal Oxide Clusters: Model Systems for Catalytically Active Materials

Sauer, Joachim, Prof. Dr. rer. nat. Dr. h.c. (Theoretical Chemistry / Quantum Chemistry)

Duration of Project: 01/2020 - 12/2022

We propose to combine state-of-the-art mass spectrometric and spectroscopic experiments with quantum chemical calculations to ultimately gain molecular-level insights into C-H bond activation, in general, and the mechanism of H-atom transfer operatin ...

DFG Research Grant: Computing Molecular Properties with Controlled Precision Using Multi-Resolution Analysis

Bischoff, Florian, Dr. (Theoretical Chemistry)

Duration of Project: 03/2014 - 01/2020

The project aims at the accurate description of molecular properties using novel wavelet bases for the wave function. Multi-resolution analysis (MRA) algorithms will be developed that provide a high-quality numerical representation of the correlated ...

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

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

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

Cluster formation of dense fluids

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

Duration of Project: 04/2010 - 09/2012

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

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

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