Gram's solution

Gram's solution 'gramz- n a watery solution of iodine and the iodide of potassium used in staining bacteria by Gram's stain
Gram 'gräm Hans Christian Joachim (1853-1938)
Danish physician. Gram introduced his method for the differential staining of bacteria in 1884. He also devised, in 1922, a method for determining the percentage of fibrin in blood and plasma. Further, he made investigations into the physiology of anemia during pregnancy and the hematoblasts in cases of pernicious anemia.

Medical dictionary. 2011.

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  • Gram's solution — noun a solution used in staining bacteria by Gram s method; consists of one part iodine and two parts potassium iodide and 300 parts water • Hypernyms: ↑solution * * * noun Usage: usually capitalized G Etymology: after H. C. J. Gram : a solution… …   Useful english dictionary

  • Gram's solution — (sometimes l.c.) a solution of iodine, potassium iodide, and water, used in staining bacteria. Cf. Gram s method. * * * …   Universalium

  • gram molecular solution — molar s …   Medical dictionary

  • GRAM (COLORATION DE) — GRAM COLORATION DE Technique de coloration qui est la plus utilisée dans l’étude et la classification des bactéries en deux grands groupes: les bactéries à Gram positif et à Gram négatif. Le principe de cette méthode, mise au point de façon… …   Encyclopédie Universelle

  • gram-neg|a|tive bacteria — or gram neg|a|tive bacteria «GRAM NEHG uh tihv», bacteria that do not stain when treated with Gram s solution. Gram negative bacteria appear pink and include those that cause urinary tract infections, typhoid fever, and various other diseases.… …   Useful english dictionary

  • gram-pos|i|tive bacteria — or gram pos|i|tive bacteria «GRAM POZ uh tihv», bacteria that stain when treated with Gram s solution. Gram positive bacteria appear blue and include those that cause lobar pneumonia, scarlet fever, and staphylococcal infections. ╂[see etym.… …   Useful english dictionary

  • Gram's method — n. Biol. a method of differentiating bacteria by staining with a dye, then attempting to remove the dye with a solvent, for purposes of identification. Phrases and idioms: Gram positive (or negative) (of bacteria) that do (or do not) retain the… …   Useful english dictionary

  • Gram stain — noun a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram s solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the… …   Useful english dictionary

  • Gram's stain — noun a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram s solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the… …   Useful english dictionary

  • Gram method — noun a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram s solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the… …   Useful english dictionary

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