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Antifouling property of a weak polyelectrolyte membrane based on poly(acrylonitrile) during protein ultrafiltration / Su, Yanlei in Industrial & engineering chemistry research, Vol. 48 N° 6 (Mars 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 6 (Mars 2009) . - pp. 3136–3141 Titre : Antifouling property of a weak polyelectrolyte membrane based on poly(acrylonitrile) during protein ultrafiltration Type de document : texte imprimé Auteurs : Su, Yanlei, Auteur ; Chunxia Mu, Auteur ; Chao Li, Auteur Année de publication : 2009 Article en page(s) : pp. 3136–3141 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Weak  polyelectrolyte  membrane  Poly(acrylonitrile)  Bovine  serum  albumin  Lysozyme  Antifouling  property Résumé : The permeability of a weak polyelectrolyte ultrafiltration membrane based on poly(acrylonitrile and 2-dimethylaminoethyl methacrylate) (PAN-DMAEMA) copolymer was measured at various conditions of solution pH and ionic strength. Bovine serum albumin (BSA) and lysozyme were used as model proteins to investigate the antifouling property of PAN-DMAEMA ultrafiltration membrane. Electrostatic interactions, the conformation of PDMAEMA chains, and the nature of protein play important roles in enhancing the antifouling property of PAN-DMAEAM membrane. During BSA ultrafiltration, BSA rejection ratio is decreased, flux recovery ratio is remarkably increased, and the total membrane fouling and irreversible membrane fouling are decreased at higher pH value and ionic strength. During lysozyme ultrafiltration, the PAN-DMAEAM membrane displays excellent antifouling property in a broad range of pH and ionic strength. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801393z [article] Antifouling property of a weak polyelectrolyte membrane based on poly(acrylonitrile) during protein ultrafiltration [texte imprimé] / Su, Yanlei, Auteur ; Chunxia Mu, Auteur ; Chao Li, Auteur . - 2009 . - pp. 3136–3141. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 6 (Mars 2009) . - pp. 3136–3141 Mots-clés : Weak  polyelectrolyte  membrane  Poly(acrylonitrile)  Bovine  serum  albumin  Lysozyme  Antifouling  property Résumé : The permeability of a weak polyelectrolyte ultrafiltration membrane based on poly(acrylonitrile and 2-dimethylaminoethyl methacrylate) (PAN-DMAEMA) copolymer was measured at various conditions of solution pH and ionic strength. Bovine serum albumin (BSA) and lysozyme were used as model proteins to investigate the antifouling property of PAN-DMAEMA ultrafiltration membrane. Electrostatic interactions, the conformation of PDMAEMA chains, and the nature of protein play important roles in enhancing the antifouling property of PAN-DMAEAM membrane. During BSA ultrafiltration, BSA rejection ratio is decreased, flux recovery ratio is remarkably increased, and the total membrane fouling and irreversible membrane fouling are decreased at higher pH value and ionic strength. During lysozyme ultrafiltration, the PAN-DMAEAM membrane displays excellent antifouling property in a broad range of pH and ionic strength. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801393z