BioProduct : Molecular Biology : Nucleic Acid Purification : DNA Purification from PCR Products and Gel : RNzol LS Reagent: Blood : Liquid Sample Total RNA Extraction Kit(Spin-column)
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Product Name RNzol LS Reagent: Blood/Liquid Sample Total RNA Extraction Kit(Spin-column)
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Product Description RNzol LS Reagent is a ready-to-use reagent for the isolation of total RNA from whole blood and other liquid samples. The reagent, a mono-phasic solution of phenol and guanidine isothiocyanate, is an improvement to the single-step RNA isolation method developed by Chomczynski and Sacchi. During sample homogenization or lysis, RNzol LS Reagent maintains the integrity of the RNA, while disrupting cells and dissolving cell components. Addition of chloroform followed by centrifugation separates the solution into an aqueous phase and an organic phase. RNA remains exclusively in the aqueous phase. After transfer of the aqueous phase, the RNA is recovered by precipitation with isopropyl alcohol. After removal of the aqueous phase, the DNA and proteins in the sample can be recovered by sequential precipitation. Total RNA isolated by RNzol LS Reagent is free of protein and DNA contamination. It can be used for Northern blot analysis, dot blot hybridization, poly(A)+ selection, in vitro translation, RNase protection assay, and molecular cloning. For use in the polymerase chain reaction (PCR), treatment of the isolated RNA with amplification grade DNase I is recommended when the two primers lie within a single exon. RNzol LS Reagent facilitates isolation of a variety of RNA species of large or small molecular size. For example, RNA isolated from rat liver, electrophoresed on an agarose gel, and stained with ethidium bromide, shows discrete bands of high molecular weight RNA between 7 kb and 15 kb in size, (composed of mRNA¡¯s and hnRNA¡¯s) two predominant ribosomal RNA bands at ~5 kb (28S) and at ~2 kb (18S), and low molecular weight RNA between 0.1 and 0.3 kb (tRNA, 5S). The isolated RNA has an A260/A280 ratio ¡İ1.8 when diluted into TE. Features ¡ô Convenient, red cell and while cell do not need to be separated, additional red cell lysis procedure is cut ¡ô Rapid, easy-to-follow£¬ high-quality RNA can be harvested within 30min
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Vendor Information BioTeke Corporation 
http://www.bioteke.com