Check the listing for details. Pre-Stained Protein Marker IV (8-200KD), 250 uL. Condition: New. Listed at 52.00 USD. Product IntroductionPrestained Protein Marker II are a mixture of ten high-purity and pre-stained recombinant proteins, which is convenient for monitoring of electrophoresis and transfer efficiency. It is suitable as a protein molecular weight standard for SDS-PAGE and Western Blot.The bands display in Tris-Glycine gel range from 10-200 kDa (~8, ~13, ~20, ~30, ~40, ~55, ~68, ~90, ~110, ~140, ~200 kDa), of which 90 kDa, 30 kDa and 8 kDa are rose-red bands, and the others are blue bands.Storage and Handling ConditionsStorage at -20°C;Valid for 12 months.Assay Protocol / Procedures1. Allow the tube to reach room temperature and thoroughly mix before use.2. In a conventional mini or midi electrophoresis system, the loading volume of Prestained Protein Marker II is 5-10 μL.3. Prestained Protein Marker II should be stored at -20℃ immediately after use.Notes1. This product is ready-to-use, no need to add reducing agent.2. This product cannot be heated, which will cause the protein bands to degrade or discolor.3. Please wear lab coat and disposable gloves during operation. For Research Use Only!