This weak anion-exchange medium is designed for downstream purification of proteins, nucleic acids, and peptides. It uses highly crosslinked high-flow agarose functionalized with diethylaminoethyl groups. The weak anion-exchange ligand provides controllable pH-dependent selectivity. The 45-165 µm particles provide high permeability and relatively low backpressure. A BSA adsorption capacity above 50 mg/mL supports preparative capture and intermediate purification. The medium provides a maximum stated flow rate of 750 cm/h. Broad chemical compatibility supports use with common buffers, denaturants, ethanol, and sodium hydroxide. The matrix tolerates steam treatment and can be scaled for manufacturing applications.
Specification
Model: DEAE Seplife FF Appearance: White spherical gel, odorless and tasteless Type: Weak anion-exchange medium Matrix: Seplife 6FF Ligand: Diethylaminoethyl Particle size: 45-165 µm BSA adsorption capacity:>50 mg/mL Ion-exchange capacity: 0.11-0.16 mmol/mL Maximum flow rate: 750 cm/h Pressure resistance: 0.3 MPa Operating temperature: 4-40°C Long-term pH stability: 2-12 Short-term CIP pH stability: 1-14 Chemical compatibility: Common aqueous buffers, 1 mol/L sodium hydroxide, 8 mol/L urea, 8 mol/L guanidine hydrochloride, and 70% ethanol Heat resistance: 121°C in water for 30 min
Features
Weak anion-exchange selectivity Up to 750 cm/h flow >50 mg/mL BSA capacity Low operating backpressure Broad chemical stability Wide CIP pH tolerance Steam-resistant matrix Scalable process performance