級(jí)別:BR Useful fractionation range(MW):globular proteins 1×103~1×105 DNA exlusion limit(base pairs):30 Bead form:Spherical,diameter 25-75um in wet form Bead structure:Allyl dextran and N,N-methylene bisacrylamide pH stability:long term 3~11,short term 2~13 Chemical stability:Stable to all commonly used fuffers:0.2M NaOH;0.1M HC1;1M acetic acid;8M urea;6M guanidine HC1;1% SDS;2M NaC1;24% ethanol;30% propanol;30% acetonitrile(tested at 40℃ for 7 days) Physical stability:Negligible volume variation due to changes in pH or ionic strength 性狀:含20%乙醇,底部為膠體。 用途:生化研究。蛋白分離 保存:2~8℃