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Define method Used for Capsular Staining - Anthony Staining Method?
Another method used for capsular staining is Anthony staining method, devised by E.E. Anthony in 1931. The method involves the use of a primary stain i.e., 1% aqueous crystal violet. Both the capsular material and the cell wall will take the colour of the stain and will appear dark blue. But the capsule being nonionic will not absorb the primary stain. It adheres to the capsule without binding to it. Because capsule is water soluble, therefore, copper sulphate is used both as a decolourizing agent and as a counter stain. It takes out the colour from the capsular material and counter stains the decolourized capsule which now appears as a light blue zone surrounding deep purple cells. In both Klebsiella and Bacillus, capsule can be seen surrounding the dark purple coloured cells. Capsule will appear as a clear zone in negative staining against dark background, whereas, it is light blue coloured in anthony's method.
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Q. Can you explain Bauhin? We got the first reference of binary use of species name in Pinax (1623), a publication of a Swiss physician and botanist Casper Bauhin (1560-1624).
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Interferon alfa In about one third of adults and children with chronic hepatitis B, treatment with interferon alfa-2b leads to loss of HBeAg, return to normal aminotransferase
Starting from a ribosome in the cytosol, list in sequential order the organelles and cellular components a secreted protein would encounter from translation to secretion.
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