Hans Sachs (serologist)
Encyclopedia
Hans Sachs was a German
serologist
.
. In 1900, he received his doctorate
from the University of Leipzig
. From 1905, he taught and conducted research at the University of Frankfurt. He was promoted to professor
in 1907 and became an honorary professor after 1914.
, where he served as professor of the Institute for Immune
and Serum
Research and director of the scientific department of the Institute for Experimental Cancer
Research.
His work in improving the diagnosis of syphilis was groundbreaking. In collaboration with other scientists, he developed the Sachs-Georgi reaction, a serological test for syphilis
and a precipitation reaction
test known as the Sachs-Witebsky reaction.
campaign to purge all Jews from academia. He fled Germany to Oxford
in 1938 and later settled in Dublin, where he died in 1945.
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
serologist
Serology
Serology is the scientific study of blood serum and other bodily fluids. In practice, the term usually refers to the diagnostic identification of antibodies in the serum...
.
Education
Sachs studied at the universities of Freiburg, Wrocław and BerlinHumboldt University of Berlin
The Humboldt University of Berlin is Berlin's oldest university, founded in 1810 as the University of Berlin by the liberal Prussian educational reformer and linguist Wilhelm von Humboldt, whose university model has strongly influenced other European and Western universities...
. In 1900, he received his doctorate
Doctorate
A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder to teach in a specific field, A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder...
from the University of Leipzig
University of Leipzig
The University of Leipzig , located in Leipzig in the Free State of Saxony, Germany, is one of the oldest universities in the world and the second-oldest university in Germany...
. From 1905, he taught and conducted research at the University of Frankfurt. He was promoted to professor
Professor
A professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank...
in 1907 and became an honorary professor after 1914.
Scientific research
In 1920, he moved to HeidelbergHeidelberg
-Early history:Between 600,000 and 200,000 years ago, "Heidelberg Man" died at nearby Mauer. His jaw bone was discovered in 1907; with scientific dating, his remains were determined to be the earliest evidence of human life in Europe. In the 5th century BC, a Celtic fortress of refuge and place of...
, where he served as professor of the Institute for Immune
Immunology
Immunology is a broad branch of biomedical science that covers the study of all aspects of the immune system in all organisms. It deals with the physiological functioning of the immune system in states of both health and diseases; malfunctions of the immune system in immunological disorders ; the...
and Serum
Serology
Serology is the scientific study of blood serum and other bodily fluids. In practice, the term usually refers to the diagnostic identification of antibodies in the serum...
Research and director of the scientific department of the Institute for Experimental Cancer
Cancer
Cancer , known medically as a malignant neoplasm, is a large group of different diseases, all involving unregulated cell growth. In cancer, cells divide and grow uncontrollably, forming malignant tumors, and invade nearby parts of the body. The cancer may also spread to more distant parts of the...
Research.
His work in improving the diagnosis of syphilis was groundbreaking. In collaboration with other scientists, he developed the Sachs-Georgi reaction, a serological test for syphilis
Syphilis
Syphilis is a sexually transmitted infection caused by the spirochete bacterium Treponema pallidum subspecies pallidum. The primary route of transmission is through sexual contact; however, it may also be transmitted from mother to fetus during pregnancy or at birth, resulting in congenital syphilis...
and a precipitation reaction
Precipitation (chemistry)
Precipitation is the formation of a solid in a solution or inside anothersolid during a chemical reaction or by diffusion in a solid. When the reaction occurs in a liquid, the solid formed is called the precipitate, or when compacted by a centrifuge, a pellet. The liquid remaining above the solid...
test known as the Sachs-Witebsky reaction.
Expulsion from university
In 1935, he was expelled from the Institute and the University as part of the NaziNazi Germany
Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...
campaign to purge all Jews from academia. He fled Germany to Oxford
Oxford
The city of Oxford is the county town of Oxfordshire, England. The city, made prominent by its medieval university, has a population of just under 165,000, with 153,900 living within the district boundary. It lies about 50 miles north-west of London. The rivers Cherwell and Thames run through...
in 1938 and later settled in Dublin, where he died in 1945.