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Contamination

Contamination

The soiling or pollution by inferior material, as by the introduction of organisms into a wound or sewage into a stream.

Origin: L. Contaminatio from con =together _ tangere = to touch The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors.A substance that contaminates.


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Re:

... only the buffer but any additive you're using other additive that I used is antimicrobial reagent-tetracycline HCL which is I used for prevent any contamination in the reaction but I think there is no difference after added this reagent, means that OD blank and substrate control still higher.

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by intandiana
Sun Jan 19, 2014 5:59 am
 
Forum: Molecular Biology
Topic: blank and substrate control give OD reads
Replies: 9
Views: 1159

Re: Re:

... I cannot rule out the presence of bacteria for certain, but the findings in your blood film can also be staining artifacts or (bacterial) contamination. This is important to note, since especially some species of Bartonella can indeed cause persistent bacteremia. Furthermore, the petechiae ...

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by snowathlete
Fri Dec 13, 2013 2:08 pm
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 3420

Re: Re:

... a very real posibility. I made these smears myself at home and although I took what precautions I could, I cannot discount the possibility of contamination. Thing is, how can I be sure either way? I am considering asking my GP to order a blood culture to see if anything turns up, but I doubt ...

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by biohazard
Fri Dec 13, 2013 8:13 am
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 3420

Re: Re:

... site and thus unrelated to your being ill? Have these dots been seen multiple times in different samples, or just this one time? If latter, contamination is always a possibility. The skin if literally full of all kinds of cocci and other bacteria. Yes you raise a very real posibility. I ...

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by snowathlete
Thu Dec 12, 2013 6:57 pm
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 3420

Re:

... site and thus unrelated to your being ill? Have these dots been seen multiple times in different samples, or just this one time? If latter, contamination is always a possibility. The skin if literally full of all kinds of cocci and other bacteria.

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by biohazard
Thu Dec 12, 2013 4:49 pm
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 3420
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