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Doris Wedlich
Head of Division
Prof. Dr. Doris Wedlich

Campus South
Tuesday, Thursday, Friday
Bldg.    10.11, Room 114
Phone: +49 721 608 43990

Campus North
Monday, Wednesday
Bldg.    433, Room 109
Phone: +49 721 608 28661

 

Mail doris wedlichKee2∂kit edu

Foto S. Fuhr
Administrative Assistant
Sabine Fuhr

Campus South
Tuesday, Thursday, Friday
Bldg.    10.11, Room 113
Phone: +49 721 608 43991

Campus North
Monday, Wednesday
Bldg.    433, Room 111
Phone: +49 721 608 26081

Mail: sabine fuhrZgl8∂kit edu


Ruth Schwartländer
Manager Processes
Dr. Ruth Schwartländer

Campus South
Bldg.    10.11, Room 112
Phone: +49 721 608 41061

Mail: ruth schwartlaenderSwn2∂kit edu

 

Dr. Christian Röthig
Manager Resources
Dr. Christian Röthig

Campus North,
Bldg.    433, Room 112
Phone: +49 721 608 26068

Campus South
Bldg.    10.11, Room 112
Phone: +49 721 608 41060

Mail: christian roethigKyy9∂kit edu

Andreas Martin
Officer
Andreas Martin

Campus North
Bldg.    433, Room 120
Phone: +49 721 608 26283

Mail: andreas martinStx5∂kit edu

Officer

Nadja Lodes

 

Campus South
Bldg.    10.11, Room 112
Phone: +49 721 608 41061

Mail: nadja lodesQtk2∂kit edu

Division I - Biology, Chemistry, and Process Engineering

Division I comprises twenty KIT institutes, the KIT Department of Chemistry and Biosciences and the KIT Department of Chemical and Process Engineering as well as the Helmholtz Programme BioInterfaces.

 

Since January 1, 2014, Professor Dr. Doris Wedlich has been Head of Division I.

 

NEWS

Beim Backen bleiben häufig Teigreste an der Arbeitsplatte, an Schüsseln oder Knetelementen kleben. Das führt in Bäckereien zu Produktionsausfällen. (Bild: Amadeus Bramsiepe/KIT)
Why Doughs Stick to Surfaces

Structure of Work Surfaces and Materials and Contact Time Influence Dough Adhesion – Enhancing Food Safety and Productivity of Bakeries.

Christmas time is cookies time. Many people enjoy baking for Christmas. And those who love titbits are happy about the dough rests that stick to kneaders or bowls. To a larger extent, this also happens at private or industrial bakeries. Considerable amounts of dough stick to conveyors and fermentation canvasses. In the worst case, this may result in hygiene problems and production downtimes. Scientists of Karlsruhe Institute of Technology (KIT) and the Technical University of Munich studied the effects of contact time and surface structures of different materials on dough adhesion. 

 

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Biofilm on the anode (bottom) of the fuel cell: KIT researchers use optical coherence tomography to visualize the microbial biofilms that generate electric energy. (Graphics: Michael Wagner, KIT)
German Sustainability Award for Bio-electrochemical Fuel Cell

Collaboration of Partners from Research and Industry Results in the Development of a Component for an Energy-generating Sewage Treatment Plant.

Sewage treatment plants have been among the biggest municipal energy consumers so far. With a new technology that turns the sewage treatment plant from an electricity consumer into a small power plant, a German team of researchers now wants to reverse the trend. The key component of the plant is a bio-electrochemical fuel cell that can directly produce electric power and hydrogen – without the digestion process used so far. For the innovative concept, in the development of which researchers of Karlsruhe Institute of Technology (KIT) are involved, and that is coordinated by TU Clausthal, the group has now received the German Sustainability Award in the category of research.

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Vanessa Kappings working with the “vasQchip” that combines miniaturized organs and realistically replicated blood vessels. (Photo: Laila Tkotz, KIT)
Organs on Microchips for Safe Drug Testing

Vanessa Kappings of KIT Is Granted 2017 LUSH PRIZE Supporting Animal-free Testing in Research.

Miniaturized organs on a chip enable drug tests prior to application to humans. At Karlsruhe Institute of Technology (KIT), the team of Professor Ute Schepers has developed such an organ-on-a-chip system with accurately modeled blood vessels. In the category of “Young Researcher,” doctoral candidate Vanessa Kappings, who is involved in the further development of the “vasQchip,” has now been granted the 2017 LUSH PRIZE supporting animal-free testing in the amount of EUR 12,000 for her project.

 

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(Abbildung: Alessandro Trovarelli/Universität Udine).
Ceria Nanoparticles: It Is the Surface that Matters


New Findings Relating to the Structure Enable Specific Further Development of Catalytic Converters and Photocatalysts – Three Publications in the Journal Angewandte Chemie.

Exhaust gas cleaning of passenger cars, power generation from sunlight, or water splitting: In the future, these and other applications may profit from new findings relating to ceria. At Karlsruhe Institute of Technology (KIT), scientists have studied ceria nanoparticles with the help of probe molecules and a complex ultrahigh vacuum-infrared measurement system and obtained partly surprising new insights into their surface structure and chemical activity. Work is reported in three articles published in the journal Angewandte Chemie (applied chemistry).

 

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The catalytic converter of a car converts toxic carbon monoxide (CO) into non-toxic carbon dioxide (CO2) and consists of cerium (Ce), oxygen (O), and platinum (Pt). (Figure: Gänzler/KIT)
Dynamic Catalytic Converters for Clean Air in the City

Dynamic Structure of Platinum Particles Optimizes Exhaust Gas Aftertreatment / German-French Cooperation / Publication in the Journal ‘Angewandte Chemie’.

Reducing pollutant emission of vehicles and meeting stricter exhaust gas standards are major challenges when developing catalytic converters. A new concept might help to efficiently treat exhaust gases after the cold start of engines and in urban traffic and to reduce the consumption of expensive noble metal. It is based on the interaction between platinum and the cerium oxide carrier to control catalytic activity by short-term changes of the engine’s operation mode, researchers report in the journal Angewandte Chemie (Applied Chemistry).

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Schematische Darstellung des SAM-I Riboschalters in der Terminator-Konformation (Schalter aus; links) und der Antiterminator-Konformation (Schalter ein; rechts). (Abbildung: APH/KIT)
How Switches Work in Bacteria

Researchers of KIT, Heidelberg University, and Freie Universität Berlin Analyze Structure and Dynamics of Riboswitches in Light Optical Single-molecule Experiments.

Many bacteria have molecular control elements, via which they can switch on and off genes. These riboswitches also open up new options in the development of antibiotics or for the detection and decomposition of environmental toxins. Researchers of Karlsruhe Institute of Technology (KIT), Heidelberg University, and Freie Universität Berlin have now used light optical microscopy of single molecules to fundamentally study the way riboswitches work. This is reported in Nature Chemical Biology. (DOI: 10.1038/nchembio.2476)

More information about "How Switches Work in Bacteria"