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Eosin

Eosin

(Science: protein) a red, fluorescent, bromine-containing, water-insoluble dye usedmainly in toner and cosmetics.

a red or brown potassium or sodium salt of the above dye, it is usedas a biological stain and in pharmaceuticals.


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Conflicting results of Gram-Negative unknown

... My Unknown papers are due tomorrow... 1. MacConkey Agar *Negative for lactose fermentation -Results: No color change in media (remained pink) 2. Eosin Methylene Blue agar * Conflicted about results, believed to be negative RESULTS: Pink growth with slight darkening around the edges 3. Hektoen ...

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by Jrh21854
Sun Dec 01, 2013 8:25 pm
 
Forum: Microbiology
Topic: Conflicting results of Gram-Negative unknown
Replies: 0
Views: 703

Help asap! Cant find unknown Bacteria

... i have on it. If someone could help me find this bacteria that would be great Unknown Bacteria. Gram Pos Rod, Nutrient Agar Clear Blood Agar Clear Eosin Methylene Blue Agar Clear Mannitol Salt Agar Tan, Circles, Elevated Glucose Acid Pro- Positive Gas Production- Negative Sucrose Acid Pro-Positive ...

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by dshenberger
Wed Dec 03, 2008 3:47 pm
 
Forum: Microbiology
Topic: Help asap! Cant find unknown Bacteria
Replies: 0
Views: 1556

Help asap! Cant find unknown Bacteria

... i have on it. If someone could help me find this bacteria that would be great Unknown Bacteria. Gram Pos Rod, Nutrient Agar Clear Blood Agar Clear Eosin Methylene Blue Agar Clear Mannitol Salt Agar Tan, Circles, Elevated Glucose Acid Pro- Positive Gas Production- Negative Sucrose Acid Pro-Positive ...

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by dshenberger
Wed Dec 03, 2008 3:36 pm
 
Forum: Microbiology
Topic: Help asap! Cant find unknown Bacteria
Replies: 3
Views: 3221

Re: Help Identifying Unknown Bacteria

NEED HELP! Unknown Bacteria. Gram Pos Rod, Nutrient Agar Clear Blood Agar Clear Eosin Methylene Blue Agar Clear Mannitol Salt Agar Tan, Circles, Elevated Glucose Acid Pro- Positive Gas Production- Negative Sucrose Acid Pro-Positive Gas "- Neg Lactose Acid "- ...

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by dshenberger
Tue Dec 02, 2008 9:55 pm
 
Forum: Microbiology
Topic: Help Identifying Unknown Bacteria
Replies: 6
Views: 9287

Spermatozoa staining

... I read that double-staining (trypan blue/congo red + Giemsa) is good to differ dead/alive and also the presence of acrosome. Triple-staining (eosin/nigrosin+Bismarck brown+...(I forgot the third dye)) is said good too, but I don't have all the component. Well, the conventional Giemsa works ...

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by DoctorStein
Sun Jun 29, 2008 11:14 am
 
Forum: Cell Biology
Topic: Spermatozoa staining
Replies: 0
Views: 1937
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