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Title: Large scale purification of RNA nanoparticles by preparative ultracentrifugation. Author: Jasinski DL, Schwartz CT, Haque F, Guo P. Journal: Methods Mol Biol; 2015; 1297():67-82. PubMed ID: 25895996. Abstract: Purification of large quantities of supramolecular RNA complexes is of paramount importance due to the large quantities of RNA needed and the purity requirements for in vitro and in vivo assays. Purification is generally carried out by liquid chromatography (HPLC), polyacrylamide gel electrophoresis (PAGE), or agarose gel electrophoresis (AGE). Here, we describe an efficient method for the large-scale purification of RNA prepared by in vitro transcription using T7 RNA polymerase by cesium chloride (CsCl) equilibrium density gradient ultracentrifugation and the large-scale purification of RNA nanoparticles by sucrose gradient rate-zonal ultracentrifugation or cushioned sucrose gradient rate-zonal ultracentrifugation.[Abstract] [Full Text] [Related] [New Search]