Search results
Results from the WOW.Com Content Network
In Berlin, in 1884, Gram developed a method for distinguishing between two major classes of bacteria. [1] This technique, known as Gram staining, continues to be a standard procedure of medical microbiology. This work gained Gram an international reputation. The staining method later played a major role in classifying bacteria. Gram was a ...
Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups: gram-positive bacteria and gram-negative bacteria. It may also be used to diagnose a fungal infection. [1] The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique in 1884. [2]
The Gram stain, developed in 1884 by Hans Christian Gram, characterises bacteria based on the structural characteristics of their cell walls. [176] [77] The thick layers of peptidoglycan in the "Gram-positive" cell wall stain purple, while the thin "Gram-negative" cell wall appears pink. [176]
Hans Christian Gram: Danish Developed the Gram stain used to identify and classify bacteria. [2] 1845–1922 Charles Lavaran: French 1907 Nobel Prize in Physiology or Medicine for discovering the causative agents of malaria and trypanosomiasis. [2] 1827–1912 Joseph Lister: English Introduced sterilisation techniques to surgery. [2] [5] 1822 ...
Medical microbiology, the large subset of microbiology that is applied to medicine, is a branch of medical science concerned with the prevention, diagnosis and treatment of infectious diseases. In addition, this field of science studies various clinical applications of microbes for the improvement of health.
Trump aims to shift the aggressive trade agenda from his first term into higher gear with across-the-board 10% tariffs on imported goods and even higher levies on imports from China.
The Summary. A report on proposed changes to U.S. dietary guidelines suggests encouraging people to eat more beans and lentils for protein and less red meat.
The adjectives gram-positive and gram-negative derive from the surname of Hans Christian Gram, a Danish bacteriologist; as eponymous adjectives, their initial letter can be either capital G or lower-case g, depending on which style guide (e.g., that of the CDC), if any, governs the document being written. [23]