Samples

... good reason to do that, and considering what we know about you dataset (not much) I guess that the only z dimension that you have is the number of samples for each particular (X,Y) coordinates, but that will make sense only if there are more than one of each pair.

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... most grateful if someone could please tell me how to calculate the number of permutations in SAM analysis. I know that it depends on the number of samples being analysed, and that it requires the factorial of this number - but have not been able to find the correct formula! Thank you!

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... in our lab. (We always prestain gels - poststaining is no option because its too inconvenient and timeconsuming - using 1xTAE buffer). Our DNA samples and the ladders aren't separated as sharply as it was when we used ethidium bromide. I already have some ideas what to try to improve the separation ...

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Hi there, I have been trying to determine the genotype of some cell samples using PCR and agaorse gel electrophoresis. On one of the samples, I was supposed to find two bands representing a heterozygote for a particular mutated receptor but I could only see ...

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... and concentrated sample. All of these came from the same initial fixed stock. We also did a differential count for dividing cells using the same samples My weird results showed up between my control and my concentrated samples. Since my cells were fixed, I expected to have the same ratios between ...

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