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What Is a Mordant and What Is It Used for?

Answer

A mordant is a chemical substance used in gram staining to intensify a stain. A mordant such as Iodine will form an insoluble complex with the crystal violet or methylene blue and traps the dye in the peptidoglycan layer. Gram staining is usually the 1st step when a bacterial organism is being identified.
Q&A Related to "What Is a Mordant and What Is It Used for?"
Grams Iodine Grams Iodine
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A mordant facilitates further interactions between the primary dye
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By definition a mordant is a substance that set dyes. It doesn't really contribute to the coloring of the bacteria. The iodine in Gram stain fixes the crystal violet to the bacterial
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A gram stain is when a stain is put on a slide to determine the bacteria that is growning. This stain is used and it was developed by a man named Hans Gram.
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