Hektoen International

A Journal of Medical Humanities

Tag: Mostafa Elbaba

  • The discovery of urea and the end of vitalism

    Mostafa ElbabaDoha, Qatar In history, ancient chemistry is known as “alchemy.” It is different than modern chemistry since it was mixed with philosophy and pseudoscience, although it is considered a protoscience. Alchemy failed to explain the nature of matter and its transformations. However, by experimentation and recording the results, alchemists set the stage for modern…

  • The discovery of heparin

    Mostafa ElbabaDoha, Qatar The sulfated glycosaminoglycan known as heparin is the most common anticoagulant used in clinical medicine. Its therapeutic role is to increase antithrombin activity. While its physiologic role in humans is not fully understood, heparin is stored and secreted from mast cells at sites of tissue injury and is believed to provide local…