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 ACID FAST STAIN(COLD STAIN) |
| PURPOSE : |
| The ACID FAST STAIN (COLD STAIN) is a stain solution , used for the staining of Mycobacterium tuberculosis/Acid Fast Bacilli. |
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| PRINCIPLE : |
Phenol appears to combine fuchsin basic dye within Acid Fast Bacilli . When stain is applied, all cells including hard to stain Acid Fast, are colored red . All tissue components except the Acid Fast Bacilli are then decolorized . After counterstaining, all decolorized tissue components are colored blue. |
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