DEAE葡聚糖凝胶A-25/二乙氨基乙基交联葡聚糖凝胶A-25/葡聚糖凝胶DEAE-A25/DEAE Sephadex A-25

英文名称：DEAE Sephadex A-25
其他名称：二乙氨基乙基交联葡聚糖凝胶A-25；葡聚糖凝胶DEAE-A25

Type of ion exchanger： Weak anion
Total ionic capacity(mmol/g dry powder)：3～4
Available capacity(mg/ml avained gel)：
①thyroglobulin(MW669000)：1
②HSA(MW68000)：30
③α-lactalbumin(a-乳清蛋白MW14300)：140
Bead structure：Cross-linked dextran
Dry particle size range：40～120um
Max operating linear flow rate：475cm/h at 25℃；HR 16/10 column；5cm bed height
pH working range：2～9
pH stability：long term and short term 2～13
Chemical stability：Stable to all commonly used aqueous buffers and additives such as 8 M urea and 6 M guanidine hydrochloride
Physical stability：Negligible volume variation due to changes in pH or ionic strength
性状：阴离子交换剂。
用途：生化研究。低分子量蛋白、多肽、核苷酸以及巨大分子（MW>200KD）