Cell culture: thaw, culture, split, freeze cells; functional in vitro analyses Molecular biology / protein chemistry: PCR, RT-PCR, qRT-PCR, DNA and RNA isolation, protein isolation, Western blots Primary animal experimental research on tumor metastasis in a translational research project that also includes human experimental issues in patients with malignant melanoma Immunohistology / immunofluorescence: paraffin / cryoembedding, preparation of slides on microtome, photography of stains on microscope, processing of images on computer Molecular and flow cytometric study of tumors Planning and execution of metabolomics and lipidomics measurements, among others, for the characterization of metastases of malignant melanoma Development of new methods for the characterization of metabolites and lipids using modern multidimensional methods (e.g. LC-LC-MS) Planning and execution of cell culture experiments Statistical evaluation of results Documentation and evaluation of research results as well as preparation of publications, lectures, posters Preparation of the dissertation within the PhD project