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Crystal violet

Crystal violet

Hexamethylpararosanilin chloride;a compound that has been used in the external treatment of burns, wounds, and fungal infections of skin and mucous membranes, and internally for pinworm and certain fluke infections; used also as a stain for chromatin, amyloid, platelets in blood, fibrin, and neuroglia, and to differentiate among bacteria.

Synonym: methylrosaniline chloride.

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Bacterial Taxonomy

... but it stains as Gram-positive, so it somehow retains the crystal violet. The deeply branching bacteria are all autotrophs. For example, the Chloroflexi are ...

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by wildfunguy
Sat Oct 19, 2013 6:12 pm
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 7272

Using oxidizing agents in gram stain

... far I know that the purpose of the iodine is to form a complex with the crystal violet in order to enable the cell wall of the bacteria to retain the dye but certainly there ...

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by ccBiologist
Sun Sep 22, 2013 2:44 pm
Forum: Microbiology
Topic: Using oxidizing agents in gram stain
Replies: 1
Views: 2233

Re: Tips for staining (light microscopy)

... time standards are different. Wastewater Gram stains typically stain Crystal Violet and Gram's Iodine for 2 minutes, and Safranin counter-stain for 30 seconds. 3) I have ...

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by PsycoCarrot
Fri Jul 06, 2012 11:03 pm
Forum: Microbiology
Topic: Tips for staining (light microscopy)
Replies: 3
Views: 5348

Forgetting iodine when gram staining

... function of iodine in gram staining. What happens when it's added to crystal violet?

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by Cat
Sat Oct 29, 2011 11:14 pm
Forum: Microbiology
Topic: Forgetting iodine when gram staining
Replies: 2
Views: 1665

Re: Staining slides with Food dye? (Or any household item)

... theme. Not enough time to order it online. I ttried Gram Staining with Crystal Violet and Safrain but I ran out of supplies! :(

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by bhylak
Sat Jan 23, 2010 2:19 am
Forum: Microbiology
Topic: Staining slides with Food dye? (Or any household item)
Replies: 7
Views: 10200
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