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If there is no suitable offer and you have a strong interest, you may send an application including cover letter, CV and certificates to:

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Master Thesis position

The research group of Prof. Dr. Ellen Fritsche offers a Master Thesis position. Topic: 3D Bioprinting for Substance Development.

Toxicological screening is crucial for safety assessment of compounds, i.e. chemicals and pharmaceuticals. In line with the paradigm shift in toxicology, in vitro tests based on human cells are thought to be a predictive alternative to the apical animal testing that is currently still the gold standard for hazard assessment. To produce human cell-based neural in vitro systems for neurotoxicity testing is a challenge, especially due to the complexity of the human brain. One issue that needs tackling is the generation of neuronal networks for compound testing that can be produced stably and reproducibly in a relative short period of time in a multi-well format. The so far established networks using e.g. embryonic or induced pluripotent stem cells have a high variability and take a very long time to establish.

Therefore, in an interdisciplinary approach, the 3D bioprinting technology shall be used to fabricate hydrogel-based neuronal networks based on human induced pluripotent stem cell (iPSC)-derived neurons and glia cells for neurotoxicity in vitro testing. These organoid structures are thought to mimic human in vivo neuronal functions and are thus of interest for industrial medium-throughput applications.

For this challenging project, we seek for a highly motivated individual who has experience either with hydrogel preparation/characterization, stem cells, tissue engineering, 3D cell culture, or molecule crosslinking techniques. Ideally students of Biochemistry or Biomedical Engineering, or others with expertise in the mentioned research fields are welcome. Knowledge in Neurosciences, fluorescence imaging, IT affinity, and previous working experiences with cell cultures is a plus. We expect a team player with an outstanding commitment and fun at work. We offer an interdisciplinary and industrially funded project in Applied Science, an intensive on-the-job training, and a stimulating working atmosphere. Starting date is from December 2018.

Please send your application as one PDF file incl. cover/motivation letter and your CV to:


IUF – Leibniz-Institut für umweltmedizinische Forschung gGmbH

Dr. rer. nat. Ines Lauria

Auf’m Hennekamp 50

40225 Düsseldorf

Post-Doc position (f/m)

The working group “AHR and UVB-Signaling” is offering a Post-Doc position. Our group investigates the pathophysiological functions of the aryl hydrocarbon receptor (AHR), a ligand-activated transcription factor, in ultraviolet (UV)-B radiation exposed skin. The DFG-funded project analyzes the role of AHR in UVB-induced DNA damage responses (cell-cycle arrest, DNA repair, apoptosis) and skin carcinogenesis using human primary keratinocytes and mouse models. The overall aim is to identify new molecules and pathways that are suitable targets for the development of novel chemopreventive strategies against UV-induced skin malignancies in humans. The successful candidate (f/m) will be also responsible for the supervision of PhD- and master students, the organization of student practical courses, and the writing of research papers and grant applications.

We offer a very friendly and inspiring working atmosphere in an interdisciplinary team. The successful candidate (f/m) will be invited to join the institute’s postdoc program, which, besides the scientific training, will impart multiple skills necessary for the development of an independent research career. In addition, the candidate (f/m) will be encouraged to participate in the post-graduate study program of the German Society of Toxicology, which provides the unique opportunity of becoming a board-certified toxicologist.

The successful applicant (f/m) holds a PhD degree in cell biology, biochemistry, molecular medicine or equivalent and should have a strong interest in biomedical research in general, and signal transduction and cancer biology in particular. You are a goal-oriented team player with excellent organizational skills and communication skills, including written and oral English. You have profound hands-on experience in cell and molecular biological techniques, including cell-cycle analyses, immunocytochemistry, and protein biochemistry, as well as in primary cell culture and mouse models. Thorough knowledge of skin biology and first experiences in supervising students are advantageous.

The Position is funded for one year with the option of extension, starting from November 1st, 2018. Salary will be according to TV-L (E13, 100%). Females are especially encouraged to apply, and in the case of equal qualification, handicapped persons will be given preference. The IUF is committed to family-friendly working conditions and equal gender policy.

Please submit your application by e-mail as one pdf-file combining relevant documents (letter of motivation, CV, university certificates, and contact of two referees) to:

Dr. Thomas Haarmann-Stemmann
IUF - Leibniz Institut für umweltmedizinische Forschung gGmbH
Auf`m Hennekamp 50
40225 Düsseldorf

Application documents submitted by post are not returned. Documents for applicants not considered are destroyed appropriately once the procedure is complete.

PhD Student positions at the University

We would like to point to the following open positions at the Heinrich Heine University Düsseldorf: PhD Student positions in the field of neural stem cell biology and 3D human brain organoids.

Student (f/m) for Master Thesis

The team of "UV-induced skin carcinogenesis and skin aging" lead by Prof. Petra Boukamp is looking for a student (f/m) for Master Thesis in the field of organotypic models and experimental sunlight.

Thesis topic:
Studies of single solar irradiation response in a human skin equivalent.

Our group is particularly interested in understanding the underlying biological mechanisms, which give rise to skin cancer. We use long-term skin equivalents (3D in-vitro models) that have been developed in our group to address questions related to the overall effects of sun exposure in models that represent not only normal adult skin, but also aged skin and different tumorigenic states.

Background to the topic:
Even though the influence of UV irradiation on our skin has been studied for many years, we still are lacking information regarding the biological effects of sun exposure as a whole. Until now most of research has been concentrating on the influence of UV. More recently we have also been able to add more knowledge by including infrared light and visual light (IRA, VIS). While this research was conducted either with single wavelength doses or sequential irradiation, sun doesn’t include a segmental or sequential form of irradiation, but a simultaneous exposure to UV, VIS and IRA. This is why our German consortia, KAUVIR (combination instead of addition: UV to IR radiation in skin cancer and skin aging), is studying the effects of sun exposure by using a state of the art lamp that allows simultaneous irradiations with spectra similar to the sun. These studies are essential in order to get a better understanding of the “damaging” effects of “sun light” and in consequence more relevant risk estimation and prevention.

The project:
In this master thesis you will be studying the immediate as well as the long-lasting effects of single UV and experimental sunlight exposure on a 3-D model of human skin. Endpoints that will be addressed are proliferation, differentiation and tissue damage.

Your background:
We are looking for a student (f/m) with a background in biology, toxicology or related field of study.

You will bring:
A practical Bachelor thesis. A great knowledge in English both spoken and written as you will be working in an international atmosphere. True interest in biological systems and bioengineering, which shows in the form of enthusiasm and high motivation. Furthermore our daily cell culture work and models require that you are meticulous in practical work and well organized both inside and outside the lab. It would be desirable if you have worked in a cell culture environment before.

What we can offer you:
We are a friendly and collaborative team that offers you the chance to develop your skills in the fields of skin biology, skin cancer and bioengineering.

Please address your application (a short cover letter and your CV), preferably electronically, to:
Prof. Petra Boukamp,
and Dr. Elizabeth Pavez Loriè,

IUF – Leibniz-Institut für umweltmedizinische Forschung
Auf’m Hennekamp 50
40225 Düsseldorf

We will contact you to arrange a meeting after the application deadline 3rd of September 2018.

Application documents submitted by post are not returned. Documents for applicants not considered are destroyed appropriately once the procedure is complete.

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