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Dialysing Tubing made of Regenerated Cellulose − Praktik

Application area Gentle desalination, purification and concentration of sensitive biological... more

Application area

Gentle desalination, purification and concentration of sensitive biological materials, such as sera, plant extracts, cell hydrolysates

Dialysis of blood, protein solutions, and of other biocolloid systems.

Desalination of metal colloids.

Growing of bacterial cultures.

Demonstration material for teaching and training.

Product specification

Material: Seamlessly manufactured dialysing tubing made of regenerated cellulose.

Features: Sterilization -wet or dry- up to +120 °C allowed. Do not dry up the dialysing tubing without having treated it first with a diluted glycerol solution.

Average pore diameter: 15-20 Å

MW cut-off: 10-20 kDalton

Biochemical analysis: Separation of low molecular and high molecular proteins and nucleic acid fragments.

Concentration: Solutions of biomolecules of a molecular weight exceeding 12,000 - 15,000 can be concentrated quickly and gently by suspending them in a 20 % solution of polyethylene glycol M 2000.

Salt exchange: Solutions of high-molecular salts cannot only be made free of the salt, but a new desired ionic environment can be established by exchange.

No additional information available.
Item Image Flat width
mm
Füll-Ø
mm
spez. Füllvolumen
ml/cm
Einheit
m
Price
Euro*
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