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Vivaspin 2 ultrafiltration units. 0.4 to 3ml samples. High Recovery: 95-98%. Hold up volume <10µl. Choice of directly pipetting the concentrate from the dead stop pocket built into the bottom of the concentrator, or alternatively reverse spinning into the concentrate recovery cap which can then be sealed for storage. Can be used in fixed angle or swing bucket rotors accepting 15ml conical bottom tubes. Membranes: Polyethersulfone (PES) for fastest concentrations, Cellulose triacetate for protein removal/ultrafiltrate recovery, Hydrosart® for highest recovery with Ig fractions.  

 
Reference Membrane Cut off D SU Price
PES 3000 25
PES 3000 100
PES 5000 25
PES 5000 100
PES 10000 25
PES 10000 100
PES 30000 25
PES 30000 100
PES 50000 25
PES 50000 100
PES 100000 25
PES 100000 100
PES 300000 25
PES 300000 100
PES 1000000 25
PES 1000000 100
PES 0.2 µm 25
PES 0.2 µm 100
PES 5 x (5k, 10k, 30k 50k 100k) 5x5
CTA 5000 25
CTA 5000 100
CTA 10000 25
CTA 10000 100
CTA 20000 25
CTA 20000 100
Hydrosart® 2000 25
Hydrosart® 2000 100
Hydrosart® 5000 25
Hydrosart® 5000 100
Hydrosart® 10000 25
Hydrosart® 10000 100
Hydrosart® 30000 25
Hydrosart® 30000 100
* CTA : Cellulose triacetate  
 
 
 
 
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