The BayCEER Colloquium is an interdisciplinary platform for students, scientists and interested citizens: Usually lectures are held weekly (during the lecture period) in the field of ecology and environmental sciences, which can then be discussed in plenary and in a relaxed atmosphere during the post-colloquium. You are welcome to bring your own lunch (brown bag lunch).

Programm Colloquium Winter 2023/24
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Scheduling upcoming semester and lecture archive BayCEER Kolloquium

Lecture series in Ecology and Environmental Research SS 2017

All lecture dates
Dr. Martin Obst
Experimental Biogeochemistry, BayCEER, University of Bayreuth (Homepage)
Thursday, 01.06.2017 10:00 H14, NW I

How to take a close look at redox-processes

Fundamentals of synchrotron-based X-ray spectro(micro)scopy and planned applications to understand cryptic redox-cycles in biofilms, sediments and soils

In the first part of the presentation I will explain the basics of synchrotron-based X-ray absorption spectro(micro)scopy (XAS). This includes how (spatially resolved) information on chemical speciation that is obtained by XAS, can be used to derive information on environmental processes and reaction mechanisms.

In the second part I will explain what kind of research I have planned during my Heisenberg-Professorship. In the proposed projects, I would like to apply – amongst others – the previously mentioned approaches to understand so-called cryptic redox cycles on the µm-scale, and how they affect element cycling in the environment. Thereby I will focus on representative model systems such as biofilms, sediments and water-saturated soils.

 

- Vortrag im Rahmen des Berufungsverfahrens für die eingeworbene Heisenberg-Professur -



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