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Sartorius Vivaspin™ Filtrate Centrifugal Concentrators
Remove proteins from difficult to filter samples, even whole blood. Sartorius Vivaspin™ Filtrate performs centrifugal ultrafiltration against the direction of centrifugal force for fast and simple preparation of protein-free ultrafiltrates. PES and CTA membranes for 5000 to 300,000 Dalton MWCO.
Supplier: Sartorius 13249E
Description
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, exceptional flux and broad pH compatibility.
- 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
Specifications
| Reusable | |
| Cellulose Triacetate | |
| 0.5 to 2.5 mL | |
| Small volume centrifugal ultrafiltration of biological samples | |
| 12 Pk. | |
| 93 mm |
| Centrifugal Ultrafiltration | |
| 20 kDa | |
| Non-sterile | |
| 2000xG (Fixed Angle Rotor); 2500xG (Swinging Bucket Rotor) | |
| 0.5 to 2.5 mL | |
| 14 mm |