These centrifugal devices are ideal for the concentration or ultrafiltration of difficult to filter samples, even whole blood or cell lysates.

• PS body
• Styrene acrylonitrile (SAN) filtrate vessel
• PE concentrator cap
• Filtrate is a ready-to-use ultrafiltration unit for up to 2,5 ml samples
• Unhindered passage of low molecular weight solutes prior to ultrafiltrate analysis
• Rapid protein removal from biological samples
• Recover samples directly, without the need to remove any caps or disassemble the unit

They may be used for removal of low molecular weight substances or proteins for samples in the 0,5 to 2,5 ml range. Vivaspin® Filtrate enables ultrafiltration against the direction of centrifugal force for fast preparation of ultrafiltrates wtihout premature blocking of the membrane.

It is especially recommended when the ultrafiltrate (permeate) is required for analysis, since this is collected above the membrane.