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Millipore

Ultrafree® Centrifugal Filter, 0.5 mL Sample Volume

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Synonym(s):
DA Centrifugal Filter Unit, DA Centrifugal Filter Unit For DNA extraction, Ultrafree-DA Centrifugal Filter Unit, 0.5 mL
eCl@ss:
36100101

material

polypropylene

Quality Level

sterility

non-sterile

manufacturer/tradename

Ultrafree®

parameter

0.5 mL sample volume
50 °C max. temp.

technique(s)

DNA extraction: suitable

L

45 mm

diam.

10.7 mm

filtration area

0.2 cm2

shipped in

ambient

Related Categories

General description

Recover 100 to 10,000 bp DNA from agarose gel slices in a single 10-minute spin. The kit consists of a pre-assembled filter device with an agarose gel nebulizer, a microcentrifuge vial, and modified TAE gel extraction buffer (dry).

The device utilizes gel compression to extract DNA from the agarose. Centrifugal force collapses the gel structure, drives the agarose through a small orifice in the gel nebulizer and the resultant gel slurry is sprayed into the sample filter cup.

Prepared DNA requires no further purification for most applications, including cloning and radioisotopic or fluorescent DNA sequencing. Since agarose gel electrophoresis has high resolving power, the small and large non-specific amplification products that frequently interfere with cloning and sequencing after PCR are completely removed from the product.

  • Minimal hands-on time
  • 10-minute spin
  • Fully-functional DNA


Performance
Typical DNA Recoveries from Agarose Gels

DNA Size (bp) Percent DNA Recoveries

100 78
700 71
1000 77
2027 47
4361 35
9416 32
23130 29

Protocol
1. Excise the band of interest after routine electrophoretic analysis of PCR products or other DNA through an agarose gel.
2. Place the gel slice into the pre-assembled device. Note: Protocol is not compatible with low melting point agarose.
3. Spin at 5,000 x g for 10 minutes to extract gel slurry into filter cup.
4. DNA can be stored in the capped filtrate vial after discarding the sample filter cup and gel nebulizer.

Application

Fixed-angle microfuge rotor w/maximum 5,000 x g

Legal Information

Ultrafree is a registered trademark of Merck KGaA, Darmstadt, Germany

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