medical science

Florence Seibert and the Tuberculosis Test

Florence Seibert and the Tuberculosis Test

On October 6, 1897, American biochemist Florence Barbara Seibert was born. Seibert is best known for identifying the active agent in the antigen tuberculin as a protein, and subsequently for isolating a pure form of tuberculin, purified protein derivative (PPD), enabling the development and use of a reliable TB test. Youth and Education Seibert was born in Easton, Pennsylvania, USA, the second of three children of George Peter Seibert, a rug manufacturer…
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Severo Ochoa and the Biological Systhesis of RNA and DNA

Severo Ochoa and the Biological Systhesis of RNA and DNA

On September 24, 1905, Spanish physicist and biochemist Severo Ochoa de Albornoz was born. Ochoa received the 1959 Nobel Prize in Physiology or Medicine together with Arthur Kornberg for their discovery of the mechanisms in the biological synthesis of ribonucleic acid and deoxyribonucleic acid. Severo Ochoa was born in Luarca (Asturias), Spain, to Severo Manuel Ochoa, a lawyer and businessman, and his mother Carmen de Albornoz. Ochoa was the nephew of Álvaro…
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Charles Nicolle and the Transmission of Typhus

Charles Nicolle and the Transmission of Typhus

On September 21, 1866, French bacteriologist Charles Juley Henry Nicolle was born. Nicolle was awarded the 1928 Nobel Prize in Medicine for his identification of lice as the transmitter of epidemic typhus. Family and Education Charles Nicolle was the second of three sons of the French doctor Eugène Nicolle to be born in the northern French town of Rouen. His mother was the daughter of a local watchmaker. Nicolle attended the Lycée Pierre Corneille in…
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Duchenne de Boulogne’s Research in Neurology

Duchenne de Boulogne’s Research in Neurology

On September 17, 1806, French neurologist Duchenne de Boulogne was born. Duchenne de Boulogne revived Galvani‘s research and greatly advanced the science of electrophysiology.[3] The era of modern neurology developed from Duchenne‘s understanding of neural pathways and his diagnostic innovations including deep tissue biopsy, nerve conduction tests (NCS), and clinical photography. He was first to describe several nervous and muscular disorders and, in developing medical treatment for them, created electrodiagnosis and electrotherapy. Guillaume-Benjamin…
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Albert Szent-Györgyi and the DIscovery of Vitamin C

Albert Szent-Györgyi and the DIscovery of Vitamin C

On September 16, 1893, Hungarian biochemist and Nobel laureate Albert Szent-Györgyi was born. Albert Szent-Györgyi is credited with discovering vitamin C and the components and reactions of the citric acid cycle. “Discovery consists of looking at the same thing as everyone else and thinking something different.” Attributed to Szent-Györgyi in: IEEE (1985) Bridging the present and the future: IEEE Professional Communication Society conference record, Williamsburg, Virginia, October 16-18, 1985. p. 14. Youth…
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Paul Gerson Unna and Dermatopathology

Paul Gerson Unna and Dermatopathology

On September 8, 1850, German dermatologist Paul Gerson Unna was born. Unna soon specialized in dermatology and became one of the pioneers in dermatopathology. He became known internationally in his field after writing a book on Histopathology of Skin Diseases (1884), which became a classic work. His name is also remembered for the Unna-Pappenheim stain, the most common stain for blood smears. Paul Unna was born in Hamburg, the son of Moritz…
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Hans Adolf Krebs and the Krebs Cycle

Hans Adolf Krebs and the Krebs Cycle

On August 25, 1900, German-born British physician and biochemist Hans Adolf Krebs was born. Krebs was the pioneer scientist in study of cellular respiration, a biochemical pathway in cells for production of energy. He is best known for his discoveries of two important chemical reactions in the body, namely the urea cycle and the citric acid cycle. The latter, the key sequence of metabolic reactions that produces energy in cells, often eponymously…
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E. Morton Jellinek and the Causes of Alcoholism

E. Morton Jellinek and the Causes of Alcoholism

On August 15, 1890, American biostatistician and physiologist E. Morton Jellinek was born. Jellinek was a pioneer in the scientific study of the nature and causes of alcoholism and in descriptions of its symptomatology. He was an early proponent of the disease theory of alcoholism, arguing with great persuasiveness that alcoholics should be treated as sick people. Youth and Education Born in New York City, USA, Jellinek studied biostatistics and physiology at…
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Christiaan Eijkman and the Cause of Beriberi

Christiaan Eijkman and the Cause of Beriberi

On August 11, 1858, Dutch physiologist Christiaan Eijkman was born. Eijkman‘s demonstrated that beriberi is caused by poor diet led to the discovery of antineuritic vitamins (thiamine). Together with Sir Frederick Hopkins, he received the Nobel Prize for Physiology or Medicine. Christiaan Eijkman was born at Nijkerk, Netherlands as the seventh child of Christiaan Eijkman, the headmaster of a local school, and Johanna Alida Pool. In 1859, the Eijkman family moved to…
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John Caius and the English Sweating Sickness

John Caius and the English Sweating Sickness

On July 29, 1573, English physician John Caius passed away. Caius was one of the founders of the present Gonville and Caius College, Cambridge. His classic account of the English sweating sickness is considered one of the earliest histories of an epidemic. John Caius was born in Norwich and was educated at Norwich School. John Caius attended Gonville Hall, Cambridge, where he seems to have mainly studied divinity. After graduating Magister Artium he traveled to Italy…
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