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CFU

Acronym for: colony-forming unit.

See colony-forming unit for definition and additional information.


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CFU

... 100 ul (mikrolitres), because spreading 100 l (litres) of culture on single plate would take ages :-D 1. just type the number you got: 10^-6 - 248 CFU/100ul 10^-7 - 33 CFU/100ul 10^-8 - 1 CFU/100ul 2. just ten times more obviously 3. just divide CFU/ml by dilution (e.g. 10/10^-8 = 1×10^9), so you'll ...

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by JackBean
Mon Jul 29, 2013 10:48 am
 
Forum: Molecular Biology
Topic: CFU
Replies: 1
Views: 1096

CFU

... = Too many to count (TMTC) colonies 10-6 = 248 colonies 10-7 = 33 colonies 10-8 = 1 colony 1. From this data state how many colony forming units (CFU) are present in 100 l of each dilution. Remember to state the units (state units – CFU 100 (l-1) 2. How many CFU were present in 1 ml of each dilution? ...

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by angel92
Mon Jul 22, 2013 9:42 pm
 
Forum: Molecular Biology
Topic: CFU
Replies: 1
Views: 1096

Re: Bacterial Calculation

Hallo, You don`t need a serial dilution calculator ... seriously. If you get 55 colonies at a 10^4 dilution, then you have 5.5*10^5 cfu/mL (in case you used an aliquot of 1 mL). If you count 85 colonies at a 10^5 dilution then it`s 8.5*10^6 cfu/mL, which is already close to the concentration ...

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by EnricoPallazzo
Sun Jan 13, 2013 9:43 am
 
Forum: Microbiology
Topic: Bacterial Calculation
Replies: 3
Views: 3077

CFU conversion

Then I think I should just ignore the cfu and convert Mol to mMol, because it clearly specifies that the concentration is 3.39 mol/cfu. Thanks a lot. :)

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by Holmes
Mon Dec 03, 2012 8:22 am
 
Forum: Microbiology
Topic: CFU conversion
Replies: 4
Views: 3654

CFU conversion

Then it's technically per CFU, because each cell theoretically give rise to single colony. On the other hand, the concentration inside cell will be different from that in media.

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by JackBean
Tue Nov 27, 2012 10:09 am
 
Forum: Microbiology
Topic: CFU conversion
Replies: 4
Views: 3654
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