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DIAFILTRATION [1 record]

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Record 1 2017-01-25

English

Subject field(s)
  • Biological Sciences
  • Biotechnology
CONT

Ultrafiltration can also be used for the rapid removal of low molecular mass solutes, such as ethanol or water from protein solutions, a process which has been termed diafiltration. In this process the liquid lost as ultrafiltrate is continuously replaced by fresh buffer, thus maintaining a constant volume of solution in the ultrafiltration cell... By suitable choice of ultrafiltration apparatus this technique is applicable to any scale of operation ranging from a few millilitres to hundreds (or thousands) of litres.

French

Domaine(s)
  • Sciences biologiques
  • Biotechnologie
CONT

Selon le nombre de boucles élémentaires (étages) mises en œuvre, l'efficacité [...] du procédé dit «continu» [...] se rapprochera ou non de celle du procédé batch et le temps de séjour sera abaissé (dans les installations industrielles actuelles, les temps de séjour sont inférieurs à 20 minutes). Autre avantage : l'optimisation des opérations de diafiltration : on abaisse au maximum la quantité de solvant à injecter en continu pour purifier de façon satisfaisante les macromolécules séparées.

Spanish

Campo(s) temático(s)
  • Ciencias biológicas
  • Biotecnología
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