Originally posted by ag4lm4
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Unless -- some people do a nanodrop on a sample and then dilute their sample to the working range of a high sensitivity chip. Same issue as always with UV spec -- lots of stuff absorbs at 260 nm. But you might have plenty of sample but the dilution prior to running on a high sensitivity chip dropped it below the ability of the chip to detect. If that is the case, try running a 1 ul undiluted on a high sensitivity chip.
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Phillip
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