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# give the information about primer concentrations

## give the information about primer concentrations - Biology Forum

### give the information about primer concentrations - Biology Forums. Ask questions and discuss the study of Biology. If you have Biology questions from your homework ask them here!

#1
05-16-2012, 09:09 AM
Pipette Filler

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give the information about primer concentrations

i have primer of 45 nmoles of conce. how much i will use for pcr. and how i will dilute. plz
#2
05-20-2012, 08:41 AM
Pipette Filler

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Re: give the information about primer concentrations

good, its very nice
#3
05-21-2012, 02:22 AM
M.D/Ph.D

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Re: give the information about primer concentrations

Hi Muhammad, what is the final conc of primer conc you are expecting or plan to use? If you know just use the equation M1V1=M2V2.

at the moment you know M1 which is 45nM.
V1 = initial volume
M2 = final conc
M2 = final volume
#4
05-21-2012, 10:34 AM
Pipette Filler

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Re: give the information about primer concentrations

hi sir
i want to use 10x primer pair conc. in 25ul reaction volume
#5
05-22-2012, 12:45 AM
M.D/Ph.D

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Re: give the information about primer concentrations

10x or 10nM?

Let us look if it is 10nM (you can calculate yourself if other conc require by looking at example below)

M1V1=M2V2
M1 = 45nM (initial stock conc)
V1 = X, denote volume require of the stock
M2 = 10nM conc to archieve
V2 = 25uL, final volume to archieve

put it all in you get

(45)*X=(10)*25
rearrangement
X=((10)*25)/(45)
X=5.5555, or 5.56uL

Thus in a 25uL reaction you require to pipette stock primer volume of 5.56uL.

**Important, when using M1V1=M2V2 make sure you SI unit is the same for volume and conc.
#6
05-22-2012, 07:56 AM

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Re: give the information about primer concentrations

Quote:
 Originally Posted by adelaide good, its very nice
good good

 Tags concentrations , give , information , primer

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