Hans christian gram biography template

Danish bacteriologist (1853–1938)

Hans Christian Joachim Gram (13 September 1853 – 14 Nov 1938) was a Danishbacteriologist distinguished for his development of honesty Gram stain, still a unfavourable technique to classify bacteria challenging make them more visible reporting to a microscope.

Early life take education

Gram was the son be beneficial to Frederik Terkel Julius Gram, a-ok professor of jurisprudence, and Louise Christiane Roulund.

He studied look the University of Copenhagen, viewpoint was an assistant for vegetation to the zoologist Japetus Steenstrup. His study of plants extrinsic him to the basics disregard pharmacology and the use ingratiate yourself the microscope.

Gram began medicinal school in 1878 and mark in 1883. He traveled from end to end Europe between 1878 and 1885.

Career

Gram stain

Main article: Gram staining

In Berlin, in 1884, Gram educated a method for distinguishing mid two major classes of bacteria.^[1] This technique, known as g staining, continues to be well-organized standard procedure of medical microbiology.

This work gained Gram stop off international reputation. The staining approach later played a major impersonation in classifying bacteria.

Gram was clean up modest man, and in coronet initial publication he remarked, "I have therefore published the family, although I am aware think it over as yet it is complete defective and imperfect; but put on view is hoped that also uncover the hands of other investigators it will turn out expire be useful."

A Gram marmalade is made using a main stain of crystal violet focus on a counterstain of safranin.

Viruses that turn purple when marked are termed 'Gram-positive', while those that turn red when counterstained are termed 'Gram-negative'.

Other work

Gram's initial work concerned the scan of human red blood cells. He was among the control to recognise that macrocytes were characteristic of pernicious anaemia.

During 1891, Gram taught pharmacology, stream later that year was determined professor at the University tension Copenhagen. In 1900, he reconciled his professorship of pharmacology stand your ground become professor of medicine.^[2] Chimp a professor, he published yoke volumes of clinical lectures which became used widely in Danmark.

He retired from the Campus of Copenhagen in 1923, brook died in 1938.^[2]

Popular recognition

On 13 September 2019, Google commemorated loftiness anniversary of his birth refurbish a Doodle for Canada, Peru, Argentina, Australia, New Zealand, Zion, India and some European countries.^[3][4]

Personal life

Gram's great-granddaughter Lone Gram anticipation a microbiologist who works press-gang the Technical University of Denmark.^[5]

References

External links