Description_x000D_ General description_x000D_ Sigma’s Transcript RNA Marker (0.28 – 6.6 kb) contains 9 RNA transcripts from 281 – 6,583 bases. Three μl of the ladder should be diluted in gel loading buffer and then loaded in a single lane on an agarose gel._x000D_ Application_x000D_ Suitable for size determination of small RNA using native or denaturing agarose gel electrophoresis._x000D_ Components_x000D_ Sigma’s Transcript RNA Marker (0.28 – 6.6 kb) is provided in a gel-loading solution with 10 mM Tris-HCl (pH 8.0), with 1.0 mM EDTA._x000D_ Other Notes_x000D_ Contains a mixture of nine RNA transcripts, 281–6,583 bases_x000D_ For optimal resolution, the recommended agarose gel concentration is 1.0%.