material
polycarbonate vial, polypropylene container, regenerated cellulose membrane, rubber O-ring
manufacturer/tradename
Millipore 4202, Millipore 42403
parameter
~0.5 mL sample volume
concentrate volume
5-15 μL
membrane area × diam. × L
0.32 cm2 × 12.3 mm × 45 mm
color
yellow
pore size
3 kDa MWCO
General description
The lab standard for sub-microliter volumes. Ideal for protein, nucleic acid concentration, desalting and buffer exchange or removal of primers, linkers and unincorporated labels.
Fixed-angle microcentrifuge rotor with max. 14,000 x g.
Fixed-angle microcentrifuge rotor with max. 14,000 x g.
- Solute recoveries typically >95%, ideal for dilute (ng.mL ranger) protein solutions
- Has a deadstop for reproducible concentrate volumes
- Inverted spin method of concentrate retrieval maximizes recovery
- Low-binding Ultracel-YM membrane
- Color coding indicates MW cut-off
- Convenient sample storage of filtrate or concentrated sample in standard microcentrifuge collection tube
- Use in standard 1.5 mL tube fixed-angle rotors
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