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Violet-tip

violet-tip

(Science: zoology) A very handsome American butterfly (Polygonia interrogationis). Its wings are mottled with various shades of red and brown and have violet tips.


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Methylene Blue Solution use in staining variety of bacteria?

... 100 ml Mix to dissolve and adjust pH to 4.2 using concentrated glacial acetic acid Methyl Green Solution (0.5%) Methyl green (ethyl violet free from Sigma) ---- 0.5 g 0.1M Sodium acetate buffer, pH4.2 ------------- 100 ml Mix to dissolve. Staining Pattern Nuclear Suggested Use Counterstaining ...

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by scytek
Sun Feb 22, 2015 9:22 am
 
Forum: General Discussion
Topic: Methylene Blue Solution use in staining variety of bacteria?
Replies: 0
Views: 303

identify bacterias in Gram stain kit &The Giemsa Stain Kit

... in hematopoietic tissues and certain microorganisms. This kit may be used on formalin-fixed, paraffin-embedded or frozen sections. Nuclei: Blue/Violet Cytoplasm: Light Blue Collagen: Pale Pink Muscle Fibers: Pale Pink Erythrocytes: Gray, Yellow or Pink Rickettsia: Reddish-Purple Helicobacter ...

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by scytek
Sat Mar 15, 2014 1:11 pm
 
Forum: General Discussion
Topic: identify bacterias in Gram stain kit &The Giemsa Stain Kit
Replies: 0
Views: 2622

Re: Re:

... bacteria in my opinion, but I cannot say for certain from the images you posted. After all, a common Staphylococcus looks pretty much like a dark violet dot under most staining conditions. Though now as you said, there is an erythrocyte in the last panel (upper right-hand corner) that seems to ...

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by biohazard
Tue Dec 10, 2013 2:02 pm
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 15996

Bacterial Taxonomy

... like? Deinococcus has an outer membrane similar to that of Gram-negatives, 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 the green nonsulfur bacteria , which are phototrophs containing ...

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by wildfunguy
Sat Oct 19, 2013 6:12 pm
 
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 7246

Using oxidizing agents in gram stain

... with another oxidizing agent during the gram staining process ? So 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 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: 2230
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