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Gram

Gram

a gram is the unit of measurement used to measure mass in the metric system. It is equal to the mass of one millilitre (one thousandth of a litre) of water at the temperature where water has the highest density (4 degrees C).


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Please help us I.D. this micro-organism

... you're using? Third, you say you found an organism living in a human. Have you taken any steps to identify it's domain? Any staining at all? (ie, gram +/- or nuclear staining, etc..) It's near impossible to identify an organism with the information you provided.

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by jyaron
Sun Aug 09, 2009 5:10 pm
 
Forum: Microbiology
Topic: Please help us I.D. this micro-organism
Replies: 4
Views: 168

Not getting lower molecular weight bands in SDS-PAGE

... i am getting distinct bands at higher molecular weight region but not getting anything below 35 kD region. i'm approximately loading 25 micro gram of protein. i have confirmed the observation by immunobloting the membrane with higher (VDAC-1) and lower molecular weight (COX-IV) proteins. Could ...

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by writoban
Wed Aug 05, 2009 12:52 pm
 
Forum: Molecular Biology
Topic: Not getting lower molecular weight bands in SDS-PAGE
Replies: 1
Views: 86

Test on unknown bacteria

Hi I would like to find out is it possible if i do a Cytochrome oxidase c test on gram positive bacteria then use the entero tube for those test negtive and oxi/ferm tube for the posiive ones? bcz i've been finding only this test can be done on gram negative bacteria ...

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by damm182
Tue Aug 04, 2009 4:34 am
 
Forum: Microbiology
Topic: Test on unknown bacteria
Replies: 0
Views: 120

Needing help identifying uknowns for micro lab

Tests 7A 7B SIM black/pur negative Gram negative negative Rod 2x1 3 to 4x1 Motile non pos PR lactose pos negative PR glucose pos pos Litmus alkaline didn't test FTM facultative aerobic Catalase negative negative MR pos pos VP pos Starch negative ...

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by avon7774
Wed Jul 29, 2009 10:35 pm
 
Forum: Microbiology
Topic: Needing help identifying uknowns for micro lab
Replies: 1
Views: 99

Re: Methods Identifying Unknown Bacteria?

Gram's stain is certainly useful in classification but not always truthful. Some organisms, Acinetobacter in particular, can readily stain gram-positive in fresh clinical material, yet stains gram-negative after growth on ...

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by stochastic
Fri Jul 24, 2009 2:00 am
 
Forum: Microbiology
Topic: Methods Identifying Unknown Bacteria?
Replies: 5
Views: 224
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