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Encyclopedia > Hans Christian Gram
Professor Hans Christian Gram

Hans Christian Joachim Gram (September 13, 1853 - November 14, 1938) was a Danish bacteriologist. He was the son of Frederik Terkel Julius Gram, a professor of jurisprudence, and Louise Christiane Roulund. Gram — A unit of measurement of mass. ... Image File history File links Professor Hans Gram File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Professor Hans Gram File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... is the 256th day of the year (257th in leap years) in the Gregorian calendar. ... 1853 was a common year starting on Saturday (see link for calendar). ... is the 318th day of the year (319th in leap years) in the Gregorian calendar. ... Year 1938 (MCMXXXVIII) was a common year starting on Saturday (link will take you to calendar). ... Microbiology (in Greek micron = small and biologia = studying life) is the study of microorganisms, including unicellular (single-celled) eukaryotes and prokaryotes, fungi, and viruses. ...


Gram studied botany at the University of Copenhagen and and was an assistant in botany to the zoologist Japetus Steenstrup. His plants introduced him to the basis of pharmacology and the use of the microscope. Pinguicula grandiflora Example of a Cross Section of a Stem [1] Botany is the scientific study of plant life. ... The University of Copenhagen (Danish: Københavns Universitet) is the oldest and largest university and research institution in Copenhagen, Denmark. ... Japetus Steenstrup (1813 - 1897) was a Danish zoologist and biologist. ... Pharmacology (in Greek: pharmakon (φάρμακον) meaning drug, and lego (λέγω) to tell (about)) is the study of how drugs interact with living organisms to produce a change in function. ... Robert Hookes microscope (1665) - an engineered device used to study living systems. ...


He entered medical school in 1878 and graduated in 1883. He travelled throughout Europe between 1878 and 1885. In Berlin, in 1884, he developed a method for distinguishing between two major classes of bacteria. This technique, the Gram Stain, continues to be a standard procedure in medical microbiology. 1878 (MDCCCLXXVIII) was a common year starting on Tuesday (see link for calendar). ... Year 1883 (MDCCCLXXXIII) was a common year starting on Monday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Saturday of the 12-day slower Julian calendar). ... 1878 (MDCCCLXXVIII) was a common year starting on Tuesday (see link for calendar). ... 1885 (MDCCCLXXXV) is a common year starting on Thursday of the Gregorian calendar (or a common year starting on Saturday of the 12-day slower Julian calendar). ... This article is about the capital of Germany. ... Year 1884 (MDCCCLXXXIV) was a leap year starting on Tuesday (link will display the full calendar) of the Gregorian calendar (or a leap year starting on Sunday of the 12-day-slower Julian calendar). ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... Gram-positive anthrax bacteria (purple rods) in cerebrospinal fluid sample. ... An agar plate streaked with microorganisms Microbiology is the study of microorganisms, which are unicellular or cell-cluster microscopic organisms. ...


In 1891, Gram became a lecturer in pharmacology, and later that year was appointed professor at the University of Copenhagen. In 1900 he his Chair in Pharmacology to become Professor of Medicine. Year 1891 (MDCCCXCI) was a common year starting on Thursday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Saturday of the 12-day slower Julian calendar). ... Pharmacology (in Greek: pharmakon (φάρμακον) meaning drug, and lego (λέγω) to tell (about)) is the study of how drugs interact with living organisms to produce a change in function. ... The University of Copenhagen (Danish: Københavns Universitet) is the oldest and largest university and research institution in Copenhagen, Denmark. ... Ğ: For the film, see: 1900 (film). ...


The Gram Stain

Main article: Gram staining

The work that gained him international reputation was his development of a method of staining bacteria. The stain later played a major role in classifying bacteria. Gram was a modest man, and in his initial publication he remarked "I have therefore published the method, although I am aware that as yet it is very defective and imperfect; but it is hoped that also in the hands of other investigators it will turn out to be useful." Gram-positive anthrax bacteria (purple rods) in cerebrospinal fluid sample. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ...


Other Work

His initial work concerned the study of Red blood cells in man. He was among the first to recognise that macrocytes were characteristic of pernicious anaemia. “Red cell” redirects here. ... A macrocyte is an exceptionally large red blood cell occurring chiefly in anemias (as in pernicious anemia). ... Pernicious anemia refers to a type of autoimmune anemia. ...


After his appointment as professor of Medicine in 1900 he published four volumes of clinical lectures which became widely used in Denmark. He retired in 1923. Year 1923 (MCMXXIII) was a common year starting on Monday (link will display the full calendar) of the Gregorian calendar. ...


References

  • Whitworth, Judith A.; Firkin, Barry G. (2002). Dictionary of medical eponyms. Carnforth, Lancs: Parthenon. ISBN 1-85070-333-7. 
  • Hans Christian Joachim Gram at Who Named It

  Results from FactBites:
 
Hans Christian Gram - Wikipedia, the free encyclopedia (283 words)
Hans Christian Joachim Gram (September 13, 1853 - November 14, 1938) was a Danish bacteriologist.
In 1891, Gram became a lecturer in pharmacology, and later that year was appointed professor at the University of Copenhagen.
Gram was a modest man, and in his initial publication he remarked "I have therefore published the method, althogh I am aware that as yet it is very defective and imperfect; but it is hoped that also in the hands of other investigators it will turn out to be useful".
  More results at FactBites »

 
 

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