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Ruhr-Universität Bochum, Lehrstuhl für Analytische Chemie II (NanoEC)
Kevin Wonner, born in 1995, studied chemistry with the focus on electrochemical nanoparticle characterization at the Ruhr University Bochum. He started his PhD in 2018 at the chair of Analytical Chemistry II of Professor Dr. Kristina Tschulik and is supported by the graduate school 2376. His doctoral studies focus on electrochemical investigations of single nanoparticles using dark-field microscopy.
Awards
In 2018, Kevin Wonner received the Wilke Award for Best Master’s Degree of the Ruhr University Bochum in chemistry.
Focus
His research focuses on electrochemically induced reactions of single metal nanoparticles. These reactions are simultaneously tracked by dark-field microscopy to detect small changes in the intrinsic electronic structure of the particles. Especially bimetallic systems interest him, studying their catalytic activities by electrochemical and spectroscopic methods.
Methods
A combination of dark-field microscopy and electrochemistry can make individual nanoparticles in a liquid medium visible. The technique is suited to determine the activity of catalysts (…)
Thriller in the bacterial kingdom
Bacteria have a variety of survival strategies to ensure a sufficient food supply in their densely populated habitats. Certain species of bacteria kill microorganisms of another species, decompose their cells and absorb them as nutrients. The exact mechanism of this process is largely unkno ... more
3D printed surfaces inspired by nature
Scientists can use laser radiation to print tiny structures with high precision. This approach enables them to mimic the superpowers of animals and plants and makes them accessible for engineering applications. To survive in extreme habitats, many animals and plants have developed brilliant ... more
How hepatitis E tricks the immune system
Over three million people are infected with the hepatitis E virus every year. So far, no effective treatment is available. An international team has investigated which factors are important for the virus in the course of its replication cycle and how it manages to maintain the infection. Th ... more
Customized ligands pave the way for new reaction pathways
For the first time, an efficient catalyst for palladium-catalyzed C–C bonding between aryl chlorides and alkyl lithium compounds has been found. This reaction enables simpler synthesis routes for important products, such as pharmaceuticals, while avoiding much salt waste. more
Light plus current: The formula for researching what happens to individual nanoparticles
A combination of dark-field microscopy and electrochemistry can make individual nanoparticles in a liquid medium visible. The technique is suited to determine the activity of catalysts during their use. more
Vibrational spectroscopy - Label-free imaging
Spectroscopic methods are now granting us deep insights into biological systems at previously unattainable spatial and temporal resolutions. Complementing the already well-established fluorescence spectroscopy, the major potential of label-free vibrational spectroscopy has become clear in r ... more
Henning Steinert, born in 1993, studied chemistry at Carl-von-Ossietzky University in Oldenburg, where he researched, among other things, the activation of Si–H bonds on titanium complexes. He is currently working on his doctorate at the Ruhr-Universität Bochum, Chair of Inorganic Chemistry ... more
Prof. Dr. Viktoria Däschlein-Gessner
Viktoria Däschlein-Gessner, born in 1982, studied chemistry at Marburg and Würzburg universities and received her doctorate from the Technical University Dortmund in 2009. After a postdoctoral stay at the University of California in Berkeley, she headed an Emmy Noether junior research group ... more
Mathies Evers, born in 1989, studied chemistry at the Ruhr University Bochum, where he researched the synthesis of atom-precise molecular clusters. After his master's degree he started his doctoral thesis at the Chair of Analytical Chemistry II of Professor Dr. Kristina Tschulik and is supp ... more
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