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Facilitated SLM extraction of peptides with D2EHPA as a carrier

Authors
Journal
Desalination
0011-9164
Publisher
Elsevier
Publication Date
Volume
163
Identifiers
DOI: 10.1016/s0011-9164(04)90175-0
Keywords
  • Analytical Applications Of Membrances

Abstract

Abstract The extraction of short peptides through a supported liquid membrane containing di-2-(ethylhexyl)phosphoric acid (D2EHPA) as a carrier was investigated. The extraction was carried out from the aqueous donor phase with pH 3 to amore acidic acceptor phase. The proton gradient between the donor and the acceptor phase was the main driving force of the mass transfer in this system. The influence of various parameters such as diluent of the carrier, pH of the donor and acceptor phase, peptide structure and concentration on the extraction efficiency was presented.

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