MicroRotofor™ Cell

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MicroRotofor™ Cell

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Discontinued Product
The Rotofor® family of products has been discontinued. We will continue to provide support for Rotofor owners until March, 2020.

 

The MicroRotofor cell uses liquid-phase IEF to fractionate small volumes (2.5 ml) of proteins in free solution by their pI. The MicroRotofor cell can be used to reduce the complexity of samples prior to any protein analysis technique (including mass spectrometry and 2-D electrophoresis). In 2-D electrophoresis applications, protein fractionation by pI improves downstream sample loading and separation on narrow- and micro-range IPG strips. Whether used alone or as part of a broader separation or purification scheme, the MicroRotofor cell offers rapid, simple, and effective fractionation and enrichment of proteins from complex protein mixtures.

The MicroRotofor cell is easy to set up and offers:

  • Unique liquid-phase fractionation by pI, eliminating proteins outside a pI range of interest
  • Up to tenfold concentrations of proteins of interest
  • Customizable pH gradients — wide or narrow linear pH gradients can be generated using Bio-Lyte® ampholytes
  • Rapid recovery of proteins focused into 10 liquid fractions
  • Integrated temperature regulation to improve reproducibility and to preserve protein structure and function for native separations
  • Preassembled disposable focusing chambers

Accessory equipment required to run the MicroRotofor cell includes a 1,000 V power supply such as the PowerPac™ HV power supply (which is capable of running at 1 W constant power) and house vacuum. Bio-Lyte ampholytes are required to form the internal pH gradient.

Related Products

Different configurations of the Rotofor system are available to accommodate different sample loads. The Rotofor®, Mini Rotofor, and MicroRotofor cells all share the following features:

  • Interchangeable cylindrical focusing chambers, which enable refractionation of selected fractions for even greater purification
  • Maintenance of biological activity
  • Customizable pH gradients — wide or narrow linear pH gradients can be generated using Bio-Lyte ampholytes
  • Focusing and enrichment of a protein of interest into 1 or 2 fractions in a single step

 

  Rotofor Cell Mini Rotofor Cell MicroRotofor Cell
Number of fractions 20 20 10
Sample volume 35–60 ml 18 ml 2.5 ml
Fraction volume 1.75–3 ml 0.7 ml 200–250 µl
Sample load Milligram to gram Microgram to milligram Up to to 1 mg


MicroRotofor cell lysis kits provide convenient cell lysis and protein extraction protocols to generate total protein samples that are ready for fractionation with a MicroRotofor IEF cell or other downstream applications such as SDS-PAGE and 2-D gel electrophoresis. Kits are available for mammalian, bacterial, plant, and yeast cells.

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(Discontinued) MicroRotofor™ Cell Kit

1702800
100/120 V, preparative IEF device, with accessories (high voltage power supply required, #164-5056 sold separately)

This product is no longer available. Please contact technical support for more information on replacement product.

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(Discontinued) MicroRotofor™ Cell Kit

1702801
220/240 V, preparative IEF device, with accessories (high voltage power supply required, #164-5056 sold separately)

This product is no longer available. Please contact technical support for more information on replacement product.

View similar items:

(Discontinued) MicroRotofor™ System

1702802
100/120 V, preparative IEF device with accessories (#170-2800) with high voltage power supply (#164-5056)

This product is no longer available. Please contact technical support for more information on replacement product.
MicroRotofor™ System

1702803
220/240 V, preparative IEF device with accessories (#170-2800) with high voltage power supply (#164-5052)

This product is being discontinued soon. Please contact customer service for more information.

View similar items:

Number Description Options
3131 The Rotofor System As a Prefractionation Device Used Prior to Electrophoresis, Rev A Click to download

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