Vivaspin 500, 50,000 MWCO PES, 25 pcs., $ 166,21

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High flow rates due to PES membranes Sample recovery in concentrate > 90% Vertical membrane for fast concentration Compatible with swing-out and fixed-angle rotors Safe concentration due to dead-stop reservoir Easy concentrate removal by pipetting Volume graduation for easy reading Description Vivaspin® centrifugal concentrators are disposable ultrafiltration units for the concentration of biological samples. Vivaspin® 500 centrifugal filters allow easy sample concentration in one step and can be used for volumes up to 500 µl in fixed-angle rotors for 2.2 ml centrifuge tubes. The patented design features (vertical membrane, narrow gap filtration chamber, US 5,647,990) minimise membrane clogging and allow rapid sample concentration even with particle-laden solutions. Vivaspin® 500 centrifugal concentrators are available with a PES membrane in a wide range of different pore sizes ( MWCO). A concentrate recovery of > 90% can be achieved in less than 30 min. The dead-stop reservoir in the sample container prevents concentration until the sample is dry. Performance characteristics Time required to concentrate up to 30x [min] at 20°C Concentrate recovery % Start volume 500 µl 500 µl Aprotinin 0.25 mg/ml (6,500 MW) 3,000 MWCO PES 30 96 % BSA 1.0 mg/ml (66,000 MW) 5. 000 MWCO PES 15 96 % 10,000 MWCO PES 30,000 MWCO PES 5 95 % IgG 0.25 mg/ml (160,000 MW) 30,000 MWCO PES 10 96 % 50,000 MWCO PES 10 96 % 100,000 MWCO PES 10 96 % VIVASPIN 500 50,000 MWCO PES 25/BOX, Vivaspin 500, 50,000 MWCO PES, 25pc

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