4 ml Ultrafiltration Centrifugal Tube, 3KDa MWCO, 24/cs

Ultrafiltration Centrifugal Tube

Ultrafiltration centrifuge tube devices provide rapid and efficient concentration and purification of up to 15ml of biological samples. The unique vertical design and filtration area provide fast sample processing and high sample recovery rate (typically greater than 90% of dilute starting solution), while maintaining a gentle concentration environment to pre-serve protein activity and conformation. Solute polarization and subsequent fouling of the membrane are reduced by the vertical design,and a physical dead stop in the filter device prevents spinning to dryness and potential sample loss. The wide selection of ultra filtration molecular weight cut-off (MWCO) devices incorporate PES membrane, which is very low in protein and nucleic acid binding.

• Ultrafiltration centrifuge tubes are designed with large membranes and a small inclination angle, which greatly increases sample throughput and reduces test time.
• They provide high sample recovery and 25-50 times greater concentration.
• The ultrafiltration unit can be used in fixed-angle rotor or pendulum centrifuges, where the filtrate is collected in the lower centrifuge tube and the concentrate can be pipetted out of the ultrafiltration unit.