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Two 15 mL centrifugal ultrafiltration units with an Ultracel-style membrane and a nominal 3 kDa molecular weight cut-off. These units are intended for concentrating and desalting biological samples such as small proteins and peptides. They are compatible with centrifuges that accept 15 mL filter units; please check rotor type, adapter requirements, and maximum RCF for your equipment.
- Format and volume: 15 mL centrifugal ultrafiltration unit for concentration and buffer exchange of biological samples; seller offer includes 2 units
- Membrane and cutoff: Ultracel-style membrane with 3 kDa molecular weight cut-off (3 kDa MWCO) for retaining proteins/peptides above 3 kDa while allowing smaller solutes to pass
- Ease of use: Straightforward spin-and-recover workflow with pipette-accessible concentrate region and graduated 15 mL markings for sample monitoring
- Application range: Suitable for concentrating and desalting biological samples including small proteins, peptides, and other macromolecules in research and laboratory settings