Pdf version hans christian joachim gram september, 1853november 14,938 was a danish bacteriologist. Hans christian joachim gram september 1853 14 november 1938 was a danish bacteriologist noted for his development of the gram stain, still a standard technique to classify bacteria and make them more visible under a microscope early life and education. Gram staining is the single most useful test in the microbiology laboratory given its simplicity and ability to differentiate bacteria into two main groups. Google is celebrating the 166th birth anniversary of microbiologist hans christian joachim gram with a doodle in his honour. Gram was born in copenhagen, denmark, on september, 1853.
Google doodle celebrates hans christian joachim gram the. Google is celebrating the 166th birth anniversary of microbiologist hans christian joachim gram with a doodle. The first page of the pdf of this article appears above. Hans christian joachim gram the gram stain was devised by the danish physician, hans christian joachim gram, while working in berlin in 1883. Hans christian joachim gram, september 1853 europe pmc. Hans christian joachim gram, september 1853 europe. Hans christian joachim gram biography, list of hans christian. Hans christian joachim gram was born in 1853, in denmarks copenhagen. Get a printable copy pdf file of the complete article 107k, or click on a page image below. Hans christian joachim gram, was a danish bacteriologist noted for his development of the gram stain, still a standard technique to classify bacteria and make them more. Gram, hans christian joachim definition of gram, hans. Hans christian joachim gram copenhague, 18531938 microbiologo y medico danes. Hans christian joachim gram first devised the original procedure in the late 19 th. He followed the method of paul ehrlich, using anilinewater and gentian violet.
Pdf gram staining is an empirical method of differentiating. Hans christian joachim gram definition of hans christian. Taking up studies in the natural sciences early, gram received a b. The gram staining method, named after the danish bacteriologist who originally devised it in 1882 published 1884, hans christian gram, is one of the most important staining techniques in microbiology. Berlinen zela, pneumonia eragiten duen klebsiella pneumoniae bakterioarekin lanean, bere izena daraman. A slide containing a heatfixed smear of bacterial cells is treated with crystalviolet stain a basic dye, during which the cells turn purple. The most widely used staining procedure in microbiology is the gram stain, discovered by the danish scientist and physician hans christian joachim gram in 1884. Gram staining differentiates the bacteria into 2 groups. Gram research and life takes place in copenhagen, where heshe was professor of pathology and therapeutics in the univerisidad in that city. Gram hans christian joachim definition of gram hans. Hesse joined robert kochs laboratory in 1881 to study air quality. Pioneers in infectious diseases pioneers in conventional. In 1871, gram studied botany at the university of copenhagen and from 1873 to 1874 was an assistant in botany to the zoologist japetus steenstrup.
Hans christian joachim gram september, 1850 november 14, 1938 was a danish bacteriologist. Genealogy profile for hans christian gram hans christian gram deceased genealogy genealogy for hans christian gram deceased family tree on geni, with over 190 million profiles of. He was the son of frederik terkel juliusgram, a professor of jurisprudence, and louise christiane roulund. Portrait of hans christian joachim gram 18531938, danish bacteriologist. The gram reaction reflects fundamental differences in the biochemical and structural properties of. Positive blood cultures can we always trust the gram stain. Hans christian gram and the gram stain scihi blogscihi blog. Hans christian joachim gram, md 18531938 log in to view full text. While in berlin 1884 he discovered the method of staining bacteria with which his name has become associated. He was born to frederik terkel julius gram, a professor of jurisprudence, and.
It is almost always the first test performed for the identification of bacteria. Gram staining is a differential staining technique that differentiates bacteria into two groups. Sep, 2015 hans christian gram was the son of frederik terkel julius gram, a professor of jurisprudence, and louise christiane roulund. The gram stain, a method for staining bacteria developed and described by the. Gram stain, a widely used microbiological staining technique that greatly aids in the identification and characterization of bacteria.
Hans christian joachim gram 18531938, danish bacteriologist jason gram b. Hans christian joachim gram, who pioneered the method of the gram stain, was born on september, 1853, in copenhagen, denmark. Hans christian gram y su tincion hans christian gram and his staining patricia a. Hans christian joachim gram, danish bacteriologist stock. Hans christian joachim gram danish bacteriologist britannica. Hans christian gram, the inventor of the gram staining technique, was a pioneering biologist who devised the system of classification which led to. His study of plants introduced him to the basis of. Gram stain a method for differential staining of bacteria. Hans christian joachim gram, september 1853 ncbi nih.
Hans christian joachim gram september 1853 14 november 1938 was a danish bacteriologist noted for his development of the gram stain, still a. Hans christian gram only invented the first three parts of the gram stain. The fourth part, counterstaining with safranin or similar, did not happen for another few years, and was probably introduced by a german pathologist, carl weigert. Hans christian joachim gram synonyms, hans christian joachim gram pronunciation, hans christian joachim gram translation, english dictionary definition of hans christian joachim gram. Hans christian joachim gram was a danish physician and bacteriologist who developed a method of staining cells for microscopic study. It was devised by a danish physician, hans christian gram, in 1884. Hans christian joachim gram was the son of frederik terkel julius gram, a professor of jurisprudence, and louise christiane roulund. Hans christian joachim gram kopenhage, 1853ko irailaren a ibidem, 1938ko azaroaren 14a gram tindaketa asmatu zuen mikrobiologo daniarra izan zen medikuntza ikasketak burutu zituen bere jaioterrian, eta gero europan zehar bidaiatu zuen farmakologia eta mikrobiologian sakontzeko.
Hans christian joachim gram sinh ngay thang 9 nam 1853 m. His study of plants introduced him to the basis of pharmacology and the use of the microscope. Hans christian joachim gram, september 1853 postgraduate. Hans christian joachim, danish bacteriologist, 18531938. Gram is best known for pioneering the method of the gram stain to identify bacteria. Hans christian joachim gram was a danish physician and bacteriologist who developed the most widely used method of staining bacterial cells for microscopic.
Full text full text is available as a scanned copy of the original print version. The gram reaction reflects fundamental differences in the biochemical and structural properties of bacteria. Biography of hans christian joachim gram 18531938 microbiologist and danish physician, born in 1853 in copenhagen denmark and died in 1938 in the same city, discoverer of the stain which bears his name. Gramovo barveni diky nemuz rozlisuje grampozitivni a gramnegativni bakterie. Get a printable copy pdf file of the complete article 107k, or click on a page image below to browse page by page. In 1883, he graduated from medical school and after traveling throughout europe, he settled in berlin. The danish microbiologist is best known for pioneering the method of the gram stain to identify bacteria, which is still widely used. Hans christian gram born in 1853 studied botany at the university of copenhagen in denmark. Hans christian joachim gram 1853 19383 hesse studied medicine at the university of leipzig from 1866 till 1870, when he received his doctorate in pathology and began his career as a country doctor.
Gram staining gram staining is most widely used differential staining in microbiology. Google doodle celebrates hans christian joachim gram. Hans christian gram wikipedia, a enciclopedia livre. Danish physician and pharmacologist who developed the gram staining technique, still used today to identify bacteria as gram positive or gram negative. By modifying an existing method, gram was able to differentiate bacteria based on their cell wall structure. Hans christian gram never received the nobel prize for his discovery, but received numerous other awards. Hans christian joachim gram september, 1853 november 14, 1938 was a danish bacteriologist noted for his development of the gram stain. Hans christian joachim gram september, 1853november. Gram was born on september, 1853, in denmarks copenhagen. November 1938 ebenda war ein danischer bakteriologe. Full text is available as a scanned copy of the original print version.
Hans christian joachim gram september, 1853november 14,938 was a danish bacteriologist. His early interests involved plants, pharmacology, and microscopes. Hans christian joachim gram biography, list of hans. He was the son of frederik terkel julius gram, a professor of jurisprudence, and louise christiane roulund. Hans christian joachim gram, who lived between 1853 1938 was a danish bacteriologist noted for his development of the gram stain. Hans christian joachim gram september, 1853 november 14, 1938 was a danish bacteriologist. Hans christian joachim gram september 1853 14 november 1938 was a danish bacteriologist noted for his development of the gram stain, still a standard technique to classify bacteria and make them more visible under a microscope. Media in category hans christian gram the following 2 files are in this category, out of 2 total. Gram was the son of frederik terkel julius gram, a professor of jurisprudence, and louise christiane roulund. Gram studied botany at the university of copenhagen and was an assistant in botany to the zoologist japetus steenstrup. Hans christian gram wikipedia, entziklopedia askea. Hans christian gram in 1884,1 is still one of the most important and useful clinical.