DEAE Dextran Resin


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DEAE Dextran Resin

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Product Overview : DEAE Dextran Resin is a weak anion exchanger based on the well documented and well proven Dextran base matrix. The resin is produced by introducing DEAE functional groups onto the cross-linked dextran matrix.
Matrix : Cross-linked dextran
Ion exchange capacity : 3–4 mmol/g dry powder
Functional group : diethylaminoethyl group:–O–CH2CH2–N+(C2H5)2H
Average particle size : 40-120 μm
Ligand : Diethylaminoethyl
Dynamic binding capacity : thyroglobulin (Mr 669 000): 1 mg/ml drained medium, HSA (Mr 68 000): 30 mg/ml drained medium), α-lactalbumin (Mr 14 300): 140 mg/ml drained medium
Recommended flow rate : 475 cm/h at 25°C
Viscosity : Store swollen medium in the presence of a suitable bacteriostat, e.g. 20% ethanol or 0.01 M NaOH at 4–8°C. Sodium azide or thiomersal should not be used as bacteriostat.
Chemical stability : Stable to all commonly used aqueous buffers additives such as 8 M urea and 6 M guanidine hydrochloride.
Physical stability : Negligible volume variation due to changes in pH or ionic strrength.
pH working range : 2-9
pH CIP range : 2-13
Autoclavable : In 0.1 M sodium chloride at 121 °C for 30 min
Warning : Avoid Oxidising agents and dextranase

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