Studierende finden an der ETH Zürich ein Umfeld, das eigenständiges Denken fördert, Forschende ein Klima, das zu Spitzenleistungen inspiriert.
The Environmental Microfluidics Group of Prof. Roman Stocker at the Institute of Environmental Engineering at ETH Zurich is seeking up to two dynamic and motivated postdoctoral researchers with expertise in microbial oceanography (3 years; subject to satisfactory progress, with the opportunity to extend). You will have the opportunity to work on one or more projects in the context of PriME (), an international collaboration funded by the Simons Foundation. These projects address important open questions on either the biological pump, looking at bacteria-particle interactions, or the phycosphere, looking at bacteria-phytoplankton interactions. They offer you the possibility to do laboratory and field work, of using cutting-edge microfluidic and imaging technology, and of interacting with a highly interdisciplinary network of scientists in the Stocker lab and in PriME.
In recent years, it has become clear that the microscale interactions of bacteria with particles and other organisms in the ocean often play an outsized role in marine ecology. One example of this is marine particles, which are responsible for a large export of carbon to the oceans’ depths, a flux that is strongly modulated by marine bacteria that encounter, colonize and degrade particles. How different species of marine bacteria interact on particles, how their interactions affect particle degradation rates, and how these processes are affected by the particles’ characteristics including size, composition and sinking rate, remain fundamental open questions whose study can benefit from microscale approaches, including microfluidics and imaging. These same approaches can help shed light on a second ubiquitous process in the ocean: the interaction between bacteria with phytoplankton. This interaction takes on a great many facets. One that we find of particular interest is the continuum between bacteria-phytoplankton interactions and bacteria-particle interactions. As they die, phytoplankton cells aggregate to form particles, which then sink to depth. Thus, the earliest bacterial colonizers of marine particles are bacteria that previously interacted with and resided on dying phytoplankton cells. This continuum awaits exploration and will shed light on how traditionally distinct microscale processes are linked in the ocean.
The above examples illustrate opportunities for cutting-edge research in microbial oceanography that you can pursue. While work along these lines of investigation will be favoured, you will have the opportunity to significantly shape your research projects. A broad range of microfluidic and imaging technologies will be available, as will opportunities to conduct field research.
ETH Zurich is a family-friendly employer with excellent working conditions. You can look forward to an exciting working environment, cultural diversity and attractive offers and benefits.
We look forward to receiving your online application including:
Please note that we exclusively accept applications submitted through the ETH online application portal. Applications via email or postal services will not be considered.
For questions regarding the position, please contact Joelle Robinson by email at email@example.com (no applications).
The review of applications will begin on February 15, 2023, with the position to start as early as April 1, 2023, or as soon as filled.
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