- a method of staining and distinguishing bacteria, in which a fixed bacterial smear is stained with crystal violet, treated with Gram's solution, decolorized with alcohol, counterstained with safranine, and washed with water.
Origin of Gram's method
named after Hans C. J. Gram (1853–1938), Danish bacteriologist
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C19: named after Hans Christian Joachim Gram (1853–1938), Danish physician
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