Rolf Appel was affiliated with the University of Bonn in Germany during their scientific career. Their research spanned several interconnected fields, mainly focusing on biochemical, genetic, and molecular biology aspects as well as agricultural and biological sciences and medicine.
Their scientific contributions were notably situated within subfields such as physiology, aquatic science, and reproductive medicine. This interdisciplinary focus was reflected in their work on reproductive biology and its impacts on aquatic species, aquaculture nutrition and growth, and sperm and testicular function.
Among their identified research topics were:
Rolf Appel published in the venue Animal Reproduction Science, contributing once to this journal. The documented paper titled "Addition of antioxidant uric acid in extender for Nile tilapia (Oreochromis niloticus) sperm cryopreservation" appeared in 2025. The paper addressed aspects of sperm preservation in fish species, relevant to both reproductive biology and aquaculture development.
Their frequent co-authors included Vinícius Wagner Silva, Myrian Megumy Tsunokawa Hidalgo, Karine Nicole Siqueira, Laurival A. Vilas-Bôas, and Lucienne Garcia Pretto-Giordano. Each collaboration represented a single joint publication, highlighting a collaborative research network focused on related scientific questions.
During their career, Rolf Appel was recognized with the Liebig-Denkmünze (Liebig Medal) awarded by the Society of German Chemists in 1986.
Rolf Appel
Rolf Appel
Rolf Appel;Fritz Knoll;Ingo Ruppert
Rolf Appel;Fritz Knoll;Ingo Ruppert
Wilhelm Keim;Rolf Appel;Arnold Storeck;Carl Krüger
Rolf Appel;Axel Westerhaus
Rolf Appel;Roland Kleinstück;Klaus-Dieter Ziehn
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Rolf Appel;Wilfried Paulen
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Rolf Appel;Roland Kleinstück;Klaus‐Dieter Ziehn
Rolf Appel;Falk Knoch;Holger Kunze
Rolf Appel;Johannes Hünerbein;Falk Knoch
Rolf Appel;Falk Knoch;Holger Kunze
Rolf Appel;Volker Winkhaus;Falk Knoch
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Wilhelm Keim;Rolf Appel;Arnold Storeck;Carl Krüger
Rolf Appel;Axel Westerhaus
Rolf Appel;Wilfried Paulen
Dieter Enders;Kyriakos Papadopoulos;Beatrice E.M Rendenbach;Rolf Appel
Rolf Appel;Carl Casser;Michael Immenkeppel;Falk Knoch
Wilhelm Keim;Rolf Appel;Stefan Gruppe;Falk Knoch
Rolf Appel;Axel Westerhaus
Rolf Appel;Michael Immenkeppel
Rolf Appel;Johannes Hünerbein;Nikolaos Siabalis
Rolf Appel;Bärbel Niemann;Winfried Schuhn;Falk Knoch
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