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Water hog

water hog

(Science: zoology) The capybara.


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Recommendations for Bacteria Detection?

Well, the standard way is to filter the water and keep the filter on some growth medium to see how many colonies will form. However, not every growth medium will suit every bacteria and some bacteria are unculturable in general. More precise ...

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by JackBean
Wed Oct 08, 2014 9:34 am
 
Forum: Microbiology
Topic: Recommendations for Bacteria Detection?
Replies: 4
Views: 862

Recommendations for Bacteria Detection?

I think you can use a hemocytometer to count the total bacteria present in the water. But it is difficult to count the motile bacteria in hemocytometer. I suggest to use a disinfectant to kill the bacteria before counting.I think you can also use a stain for seeing ...

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by josem
Tue Oct 07, 2014 7:58 pm
 
Forum: Microbiology
Topic: Recommendations for Bacteria Detection?
Replies: 4
Views: 862

Re: Science vs. Science Fiction, non-scientist needs help

... use iron, (though often this comes from a host http://onlinelibrary.wiley.com/doi/10.1016/0307-4412(83)90043-2/pdf, http://www.dbi.ca/books/PDFs/Water-Paper.PDF). [*]Bioluminescent bacteria often use molecules such as Luciferase (http://en.wikipedia.org/wiki/Luciferase). https://microbewiki.kenyon.edu/index.php/Bioluminescent_Bacteria_in_Human_Settings ...

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by sosippus
Wed Sep 24, 2014 8:16 pm
 
Forum: Microbiology
Topic: Science vs. Science Fiction, non-scientist needs help
Replies: 2
Views: 868

Help with the basic understanding of Ecosystems

... is relatively similar. Obviously you get different environmental conditions within ecosystems, e.g. the temperature and light within the water of a lake changes with depth, but on the whole the dominating factors are the same, e.g. the entire lake ecosystem is dominated by fresh water, ...

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by BasicBiology
Wed Sep 24, 2014 8:06 am
 
Forum: Ecology
Topic: Help with the basic understanding of Ecosystems
Replies: 1
Views: 511

Deproteinizing plasma?

... for the deproteinization of small volumes of mouse plasma for measurement of plasma radiolabeled glucose: 1) Add 10 uL of plasma into 20 uL of dd water. 2) Add 25 uL of BaOH (0.3N from Sigma B4059) and then add 25 uL of ZnSO4 (0.3N from Sigma Z2876). 3) Vortex and spin at 12,000 rpm for 10 minutes. ...

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by ChristopherC4rm34n
Tue Sep 09, 2014 6:15 pm
 
Forum: Physiology
Topic: Deproteinizing plasma?
Replies: 10
Views: 9524
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