scholarly journals Preparation of Multiple Interaction Membrane Chromatography using Mixed Matrix Membrane Preparation Concept

2012 ◽  
Vol 44 ◽  
pp. 133-135
Author(s):  
S.M. Saufi ◽  
C.J. Fee
Keyword(s):  
Membrane Preparation ◽  
Mixed Matrix Membrane ◽  
Mixed Matrix ◽  
Membrane Chromatography ◽  
Multiple Interaction

MULTIPLE INTERACTIONS MIXED MATRIX MEMBRANE CHROMATOGRAPHY USING ANION AND CATION EXCHANGER RESIN FOR WHEY PROTEIN FRACTIONATION

2015 ◽  
Vol 75 (1) ◽  
Author(s):  
Chan Fong Shiew ◽  
Nurul Shamsinar ◽  
Nurul Izwanie Rasli ◽  
Syed M. Saufi
Keyword(s):  
Whey Protein ◽  
Cation Exchanger ◽  
Binding Capacity ◽  
Whey Proteins ◽  
Packed Bed ◽  
Mixed Matrix Membrane ◽  
Mixed Matrix ◽  
Ethylene Vinyl Alcohol ◽  
Membrane Chromatography ◽  
Multiple Interactions

Membrane chromatography can overcome the limitation of packed bed chromatography in terms of high processing speed, low pressure drop and acceptable protein binding capacity. In the current study, multiple interactions mixed matrix membrane (MMM) chromatography was prepared for batch fractionation of whey protein. Lewatit CNP105 cation exchanger resin and Lewatit MP500 anion exchanger resin were mixed into two different membrane polymer solutions of ethylene vinyl alcohol (EVAL) and cellulose acetate (CA). The membranes were test to bind lactoferrin (LF)-spiked whey. The binding capacity for acidic whey proteins to the MMM follows the order of β-lactoglobulin (β-Lac) > BSA > α-lactalbumin. The binding capacity of EVAL MMM is higher than CA based MMM, more prominently for β-Lac. The average binding capacity of β-Lac in the EVAL and CA MMM are 50.827 mg β-Lac/ g MMM and 19.174 mg β-Lac /g MMM, respectively. High purity of β-Lac and LF were recovered from the MMM after the elution as shown by the SDS PAGE gel.

scholarly journals Detailed Investigation on Laboratory Scale Mixed-matrix-membrane Preparation for Gas Separation

2012 ◽  
Vol 44 ◽  
pp. 1870-1872 ◽  
Author(s):  
D. Hülagü ◽  
V. Kramer ◽  
M. Böttger ◽  
M. Kraume ◽  
E. Lyagin
Keyword(s):  
Gas Separation ◽  
Laboratory Scale ◽  
Membrane Preparation ◽  
Mixed Matrix Membrane ◽  
Mixed Matrix

Aqueous One-Step Modulation for Synthesizing Monodispersed ZIF-8 Nanocrystals for Mixed-Matrix Membrane

2021 ◽  
Vol 13 (9) ◽  
pp. 11296-11305
Author(s):  
Xu Jiang ◽  
Shanshan He ◽  
Gang Han ◽  
Jun Long ◽  
Songwei Li ◽  
...  
Keyword(s):  
Mixed Matrix Membrane ◽  
Mixed Matrix ◽  
One Step

Kinetics studies on free radical scavenging property of ceria in polysulfone–ceria radiation resistant mixed-matrix membrane

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Amita Bedar ◽  
Beena G. Singh ◽  
Pradip K. Tewari ◽  
Ramesh C. Bindal ◽  
Soumitra Kar
Keyword(s):  
Radical Scavenging ◽  
Radiation Environment ◽  
Mixed Matrix Membranes ◽  
Mixed Matrix Membrane ◽  
Ceria Nanoparticles ◽  
Ros Scavenging ◽  
Mixed Matrix ◽  
Stable States ◽  
Host Matrix ◽  
Γ Radiation

Abstract Cerium oxide (ceria) contains two stable states of cerium ions (Ce3+ and Ce4+). The presence of these two states and the ability to swap from one state to another (Ce3+ ↔ Ce4+) by scavenging the highly reactive oxygen species (ROS) generated from radiolysis of water, ensure the enhanced stability of polysulfone (Psf) membranes in the γ-radiation environment. In this study, the ROS scavenging ability of ceria was studied. Ceria nanoparticles were found to scavenge ROS like hydroxyl radicals and hydrogen peroxide (H2O2). The H2O2 scavenging is due to the peroxidase-like catalytic activity of ceria nanoparticles. The ROS scavenging is responsible for offering protection to the Psf host matrix and in turn the stability to the Psf-ceria mixed-matrix membranes (MMMs) in γ-radiation environment. Thus, presence of ceria nanoparticles provides an opportunity for utilizing Psf-ceria MMMs in ionizing radiation environment with increased life span, without compromise in the performance.

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