Journal
FEMS YEAST RESEARCH
Volume 4, Issue 1, Pages 119-122Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S1567-1356(03)00145-4
Keywords
RNA analysis; Agilent Bioanalyzer RNA 6000 Nano Assay; agarose electrophoresis; double-stranded RNA
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Precise quantification and quality characterisation of isolated RNAs are prerequisites for their further exploitation in genome-wide microarrays, Northern blots, cDNA library preparation and others. Our data indicate that RNA analyses using Agilent RNA Nano Assay exhibit several advantages when compared with those performed on ethidium bromide-stained agarose gel electrophoresis or on a spectrophotometer. The RNA Nano Assay makes it possible to estimate RNA concentrations in the range from 1000 ng mul(-1) to 17 ng mul(-1). The presence of impurities including traces of DNA within RNA samples does not influence the concentration measurements. Like agarose gel electrophoresis, RNA Nano Assay allows to analyse RNAs dissolved in formamide and therefore protected against RNase action. Moreover, it allows a clearer distinction of partially degraded samples. The limitation of RNA Nano Assay is the impossibility to detect and to analyse double-stranded RNAs. (C) 2003 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
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