How do you determine how much coloines are on a plate for example 10^4 , 10^3 , or less than <1000? - how much for urine culture
IM, for example, a urine culture. incubated for 24 to 72 hours in search of growth. I now have a growth of 3 different colonies of streptococci, staphylococci and yeast. If the agar How do I count the colonies
Thursday, February 18, 2010
How Much For Urine Culture How Do You Determine How Much Coloines Are On A Plate For Example 10^4 , 10^3 , Or Less Than <1000?
2 comments:
It is linked by the loop calibration. If you are using a loop of 0.001 ml, multiply the number of each type of colony in 1000th
For example, in their culture, if it is 10 colonies of Streptococcus reported as 10,000 (10 ^ 4) CFU / ml, 100 colonies of Staphylococcus 100,000 to be (10 ^ 5) CFU / ml, etc.
If you used a loop of 0.01 ml, which you multiply the number of colonies per 100.
Colony count (or the number of virus plaque) in a plate Angar.
The total use dilution tube (to make the colony count plate) X amount overdrawn.
Look at all the plates and the best solution with 30-300 colonies (or plaques). (> 300 y \\ \\ \\ \\ \\ \\ \\ \\ u0026lt; 30 is a high level of errors that may include air pollutants to significantly is very low and the high number is due to errors in counting the colonies confused by many to be smaller).
They use a total dilution tube where he concentration of the bacteria.
When the plates (with the same amount of money) a way of diluting the whole story now.
Determine the entire tube dilution dilution:
Dilution = quantity of sample (by the amount of sample to + amount already distributed in the tube)
Multiply the total of each dilution x tube dilution precedents for a total dilution of the new pipe.
Determine the amount, the amount of money used to dilute the special plate or spread plate.
You can an automatic counter.
Have a great Halloween!
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