Dictionary » D » Dye



a stain or colouring matter; a compound consisting of chromophore and auxochrome groups attached to one or more benzene rings, its colour being due to the chromophore and its dyeing affinities to the auxochrome. Dyes are used for intravital colouration of living cells, staining tissues and microorganisms, as antiseptics and germicides, and some as stimulants of epithelial growth. For individual dyes, see the specific names. Commonly but improperly used for radiographic contrast medium.

Origin: a.S. Deah, deag

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Using oxidizing agents in gram stain

... 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 must be other oxidizing agents that can replace iodine ?

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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: 1364

Asking for help with electrophoresis

I don't think you will be able to resolve 50-300 bp with 1.4% agarose. Since you have the same band in all samples. I'd say your dye goes just in that region, thus you do not see the respective bands.

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by JackBean
Thu Jun 06, 2013 9:53 pm
Forum: Molecular Biology
Topic: Asking for help with electrophoresis
Replies: 5
Views: 2227

Staining Chromosomes

Hey , I have never tried at plants but you can check "Giemsa dye" out how can it impact abnormalities onto plant chromosomes. All the best, drfuture

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by drfuture
Mon May 20, 2013 3:27 pm
Forum: Molecular Biology
Topic: Staining Chromosomes
Replies: 1
Views: 1521

Protein ladder width increases down the gel?

But the buffer in the new ladder should be the same as the others. The ladder is basically combining 2ul of each of the 9 dye-conjugated proteins (~18ul total). The dye-conjugated protein that I loaded separately and combined in the ladder are from the same solution. In addition, I ...

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by albert23
Wed Feb 27, 2013 5:12 pm
Forum: General Discussion
Topic: Protein ladder width increases down the gel?
Replies: 2
Views: 1717

Re: Green mammals

... persons of mixed black African and white ancestry sometimes have a complexion that appears to some as 'green' also. In any event, you can always dye your dog green if the absence of green mammals bothers you so much. Just make sure your dog is cool with it first. I wouldn't try it with a cat. ...

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by biotag
Sat Sep 15, 2012 6:45 pm
Forum: Zoology Discussion
Topic: Green mammals
Replies: 11
Views: 14764
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