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Processes 2016, 4(3), 31; doi:10.3390/pr4030031

Comparison of Membrane Chromatography and Monolith Chromatography for Lactoferrin and Bovine Serum Albumin Separation

Laboratoire d’Automatique et de Génie des Procédés (LAGEP), Université Claude Bernard Lyon I, 43 bd du 11 Novembre 1918, Bâtiment CPE, Villeurbanne Cedex 69622, France
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Academic Editor: Angelo Basile
Received: 13 July 2016 / Revised: 16 August 2016 / Accepted: 29 August 2016 / Published: 6 September 2016
(This article belongs to the Special Issue Membrane Separation Processes)
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Abstract

These last few decades, membranes and monoliths have been increasingly used as stationary phases for chromatography. Their fast mass transfer is mainly based on convection, which leads to reduced diffusion, which is usually observed in resins. Nevertheless, poor flow distribution, which causes inefficient binding, remains a major challenge for the development of both membrane and monolith devices. Moreover, the comparison of membranes and monoliths for biomolecule separation has been very poorly investigated. In this paper, the separation of two proteins, bovine serum albumin (BSA) and lactoferrin (LF), with similar sizes, but different isoelectric points, was investigated at a pH of 6.0 with a BSA-LF concentration ratio of 2/1 (2.00 mg·mL−1 BSA and 1.00 mg·mL−1 LF solution) using strong cation exchange membranes and monoliths packed in the same housing, as well as commercialized devices. The feeding flow rate was operated at 12.0 bed volume (BV)/min for all devices. Afterward, bound LF was eluted using a phosphate-buffered saline solution with 2.00 M NaCl. Using membranes in a CIM housing from BIA Separations (Slovenia) with porous frits before and after the membrane bed, higher binding capacities, sharper breakthrough curves, as well as sharper and more symmetric elution peaks were obtained. The monolith and commercialized membrane devices showed lower LF binding capacity and broadened and non-symmetric elution peaks. View Full-Text
Keywords: membrane chromatography; monolith chromatography; bovine serum albumin (BSA); lactoferrin (LF); separation membrane chromatography; monolith chromatography; bovine serum albumin (BSA); lactoferrin (LF); separation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Teepakorn, C.; Fiaty, K.; Charcosset, C. Comparison of Membrane Chromatography and Monolith Chromatography for Lactoferrin and Bovine Serum Albumin Separation. Processes 2016, 4, 31.

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