Comparison of pore size distributions from dextran retention tests and liquid-liquid displacement porosimetry

被引：15

作者：

Calvo, Jose Ignacio ^{[1
]}

Peinador, Rene Israel ^{[1
]}

Thom, Volkmar ^{[2
]}

Schleuss, Tobias ^{[2
]}

ToVinh, Khuong ^{[2
]}

Pradanos, Pedro ^{[1
]}

Hernandez, Antonio ^{[1
]}

机构：

[1] Univ Valladolid, Fac Ciencias, Dept Fis Aplicada, SMAP,UA,UVA,CSIC, Valladolid 47071, Spain

[2] Sartorius Stedim Biotech GmbH, Membrane R&D Biotechnol, August Spindler Str 11, D-37079 Gottingen, Germany

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2017年 / 250卷

关键词：

Ultrafiltration membrane; Dextran retention; Liquid-liquid displacement porosimetry; Pore size distribution; Cut-off estimation; NANOFILTRATION MEMBRANES; ULTRAFILTRATION MEMBRANES; IMAGE-ANALYSIS; UF MEMBRANES; PREDICTION; TRANSPORT; POROMETRY; MOLECULES; REJECTION;

D O I：

10.1016/j.micromeso.2017.05.032

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Polyethersulfone (PES) UF retentive membranes developed to be used for virus retention have been characterized by dextran retention and liquid-liquid displacement porosimetry (LLDP). Results have been used to obtain the pore size distributions (PSD) of such membranes from both techniques. The comparison of pore size distributions obtained from both techniques suggests that PSD strongly correlates with retention capabilities and performance of the membrane, being LLDP a fast and reliable way to estimate MWCO of the analysed membranes. The method used here can be standardised to make it an accurate and convenient way to asses' possible applications for a given filter. (C) 2017 Elsevier Inc. All rights reserved.

引用

页码：170 / 176

页数：7

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