Research assistant at the university medical clinic at Marburg at the institutes of pathology at Marburg and Bochum
Three medical specialties, practiced in parallel with one another:
1. Developed and established the discipline of gastroenterology at the Charité (in East Berlin) using modern gastroenterological methodologies
2. Research and teaching activities at the First Medical Clinic of the Charité
Management of the laboratories for experimental gastroenterology at the Charité.
His research into persorption was possible only until 1967 due to the political conditions of the time.
3Volkheimer, Gerhard: Ich war der letzte oder vorletzte West-Berliner an der Charité. In: Stein, Rosemarie: Die Charité: 1945 - 1992; ein Mythos von innen, S. 43 ff. Argon-Verlag, Berlin 1992.
Diffusion of his research results among the scientific community through a great many domestic and international specialist congresses as well as at many teaching and training events.
3. Practical gastroenterology – recognized gastroenterologist in West Berlin
Residential apartment and gastroenterological practice at Bayerischer Platz in West Berlin in addition to his activities at the Charité.
Experimental studies on enteral assimilation of micro-particles.
Six years of intensive experimental research on this phenomenon, under the working title “Persorption: Retention of microparticles, particle clearance, particle-induced micro-embolization and alterations in endothelial tissues, drainage behavior of the thoracic duct.”
As part of this work, he completed a number of research assignments at the Humboldt University, supervised many doctoral students and presented the results of the research he had conducted at specialist congresses all over the world.
Habilitation through the submission of a paper on the “Permeability of gut mucosa to large corpuscular elements.”
Transfer of habilitation to the Freie Universität Berlin.
Appointment as supernumerary Professor at the Freie Universität Berlin.
Summary of research results in his monograph on “Persorption”.
Retired from private practice at Bayerischer Platz, Berlin.