Sartorius Vivaspin™ Filtrate Centrifugal Concentrators

Offered with multiple MWCOs and two membrane options:

• Cellulose triacetate (CTA) features high hydrophilicity and very low non-specific binding.
• Cast without a support that could bind filtered solutes, these membranes are ideal where high target molecule recovery from the filtrate is important.
• Polyethersulfone (PES) membranes exhibit low fouling characteristics,
• Have a uniform surface, devoid of hydrophobic or hydrophillic interactions, offering excellent protein recoveries for most solutions.

Typical applications for Vivaspin™ Filtrate include:

• Sample preparation for free drug
• Metabolite or hormone analyses
• Sample deproteinization
• Separation of proteins from low molecular weight substances in biological samples
• Sample capacity of 0.5 to 2.5 mL
• May be used in fixed angle or swing bucket rotors, accepting standard conical or flat bottom 15 mL centrifuge tubes
• Typically filter 90% of the initial sample volume in 30 minutes
• Avoid premature membrane blockage by particle loaded samples
• Retrieve the ultrafiltrate immediately after centrifugation without any disassembly