Paulsson:Nanodrop

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Nanodrop Spectrophotometer

Measuring E. coli cultures

It seems that using more than the minimal 2ul is important for obtaining reliable measurements. 4ul will do.

• OD600 = 0.1 is equivalent to approximately 1.0 x 10(8) cells/ml

determined at one dilution with MC1061 at mid-log, 12/11/06, Per M.