Johann Joseph Scherer (18 March 1814 – 17 February 1869) was a German physician and

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...

born in

Aschaffenburg Aschaffenburg (; Hessian: ''Aschebersch'', ) is a town in northwest Bavaria, Germany. The town of Aschaffenburg, despite being its administrative seat, is not part of the district of Aschaffenburg. Aschaffenburg belonged to the Archbishopric ...

. In 1836 he graduated from the

University of Würzburg The Julius Maximilian University of Würzburg (also referred to as the University of Würzburg, in German ''Julius-Maximilians-Universität Würzburg'') is a public research university in Würzburg, Germany. Founded in 1402, it is one of the ol ...

, where he studied medicine,

chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...

geology Geology (). is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time. Modern geology significantly overlaps all other Earth ...

and

mineralogy Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical mineralogy, optical) properties of minerals and mineralized artifact (archaeology), artifacts. Specific s ...

. From 1836 to 1838 he practiced medicine in Wipfeld, afterwards relocating to the

University of Munich The Ludwig Maximilian University of Munich (simply University of Munich, LMU or LMU Munich; ) is a public university, public research university in Munich, Bavaria, Germany. Originally established as the University of Ingolstadt in 1472 by Duke ...

, where he resumed his studies in chemistry. In 1840 he worked in the laboratory of

Justus Liebig Justus ''Freiherr'' von Liebig (12 May 1803 – 18 April 1873) was a German scientist who made major contributions to the theory, practice, and pedagogy of chemistry, as well as to agricultural and biological chemistry; he is considered one of ...

(1803-1873) at

Giessen Giessen, spelled in German (), is a town in the Germany, German States of Germany, state () of Hesse, capital of both the Giessen (district), district of Giessen and the Giessen (region), administrative region of Giessen. The population is appro ...

, returning to

Würzburg Würzburg (; Main-Franconian: ) is, after Nuremberg and Fürth, the Franconia#Towns and cities, third-largest city in Franconia located in the north of Bavaria. Würzburg is the administrative seat of the Regierungsbezirk Lower Franconia. It sp ...

in 1842 as a professor of

organic chemistry Organic chemistry is a subdiscipline within chemistry involving the science, scientific study of the structure, properties, and reactions of organic compounds and organic matter, organic materials, i.e., matter in its various forms that contain ...

. During his career at Würzburg, he held the title of professor in the departments of general,

inorganic An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds⁠that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemistry''. Inor ...

, and pharmacological chemistry, also attaining directorship of the Medical Institute for Chemistry and

Hygiene Hygiene is a set of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases." Personal hygiene refer ...

. Scherer was a pioneer of clinical chemistry, and is remembered for applying his knowledge of chemistry to problems in the field of medicine. He made contributions in the study of

urine Urine is a liquid by-product of metabolism in humans and many other animals. In placental mammals, urine flows from the Kidney (vertebrates), kidneys through the ureters to the urinary bladder and exits the urethra through the penile meatus (mal ...

and blood in pathological conditions, and in 1843 and 1851 demonstrated the presence of

lactic acid Lactic acid is an organic acid. It has the molecular formula C3H6O3. It is white in the solid state and it is miscible with water. When in the dissolved state, it forms a colorless solution. Production includes both artificial synthesis as wel ...

in human blood under conditions such as

hemorrhagic Bleeding, hemorrhage, haemorrhage or blood loss, is blood escaping from the circulatory system from damaged blood vessels. Bleeding can occur internally, or externally either through a natural opening such as the mouth, nose, ear, urethra, va ...

and

septic shock Septic shock is a potentially fatal medical condition that occurs when sepsis, which is organ injury or damage in response to infection, leads to dangerously low blood pressure and abnormalities in cellular metabolism. The Third International C ...

. He is also credited with the discoveries of

inositol In biochemistry, medicine, and related sciences, inositol generally refers to ''myo''-inositol (formerly ''meso''-inositol), the most important stereoisomer of the chemical compound cyclohexane-1,2,3,4,5,6-hexol. Its elemental formula, formula is ...

and the

purine Purine is a heterocyclic aromatic organic compound that consists of two rings (pyrimidine and imidazole) fused together. It is water-soluble. Purine also gives its name to the wider class of molecules, purines, which include substituted puri ...

derivative known as

hypoxanthine Hypoxanthine is a naturally occurring purine derivative. It is occasionally found as a constituent of nucleic acids, where it is present in the anticodon of tRNA in the form of its nucleoside inosine. It has a tautomer known as 6-hydroxypurine. Hyp ...

. Beginning in 1852, with

Rudolf Virchow Rudolf Ludwig Carl Virchow ( ; ; 13 October 18215 September 1902) was a German physician, anthropologist, pathologist, prehistorian, biologist, writer, editor, and politician. He is known as "the father of modern pathology" and as the founder o ...

(1821-1902) and Gottfried Eisenmann (1795-1867), he was co-editor of Karl Friedrich Canstatt’s annual reports, ''Jahresbericht über die Leistungen und Fortschritte der gesammten Medicin''. One of his better known publications was the 1843 book ''Chemische und Mikroskopische Untersuchungen zur Pathologie angestellt an den Kliniken des Julius-Hospitales zu Würzburg'' (Chemical and microscopic investigations of pathology performed at the Julius Hospital Clinic at Würzburg).

Bibliography

*
Clinical chemistry
Justus Liebig and Animal Chemistry

Contrasts in Scientific Style: Research Groups in Chemistry
(biographical information) 19th-century German physicians 19th-century German chemists Academic staff of the University of Würzburg People from Aschaffenburg 1814 births 1869 deaths {{Germany-chemist-stub