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Bacteriology. Doctoral advisor. Japetus Steenstrup. Hans Christian Joachim Gram (13 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.
Sep 13, 2019 · Learn about Gram's staining technique, which is used to classify bacteria based on their cell wall composition. Find out how Gram's method has been applied to discover new antibiotics and how it has evolved over time.
May 18, 2018 · Learn about the life and achievements of Hans Christian Joachim Gram, a Danish physician and bacteriologist who invented the Gram stain method. Find out his biography, bibliography, and secondary literature sources.
Sep 13, 2021 · Learn about the life and achievements of Danish bacteriologist Hans Christian Gram, who developed the Gram stain method to distinguish bacteria by their cell walls. Find out how the Gram stain works, why it is still used today, and who contributed to its development.
Sep 13, 2019 · Learn about the life and achievements of Hans Christian Gram, the inventor of the Gram stain method to identify bacteria. The Google Doodle marks the 166th anniversary of his birth on 13 September 2019.
- 2 min
- Clémence Michallon
Sep 13, 2023 · Learn about the Danish bacteriologist who developed the Gram staining technique in 1884, which distinguishes gram-positive and gram-negative bacteria. Find out how Gram staining is still used in hospitals today and see his headstone and Google Doodle.
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Who is Hans Christian Joachim Gram?
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Who invented Gram stain bacteriology & pharmacology?
In 1884 the Danish microbiologist Hans Christian Gram discovered that crystal violet irreversibly stains certain bacteria but can be washed from others. The dye has been widely used ever since for the Gram stain technique, which identifies bacteria as gram-positive (the stain is retained) or gram-negative (the stain is washed…. Read More ...
