CHARACTERIZATION OF STRONG-ION EXCHANGE BIOPROCESS MEMBRANES

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NAZARI NIMA; Moazeni Targhi Mehran; Kazemi Pezhman; Mohseni Deniz

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Seminar Paper

Paper Information

Seminar: CONFERENCE OF SPECIALIZED RENEWABLE ENERGY, CLEAN AND EFFICIENT
Year:2014 | Issue:6

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Title

CHARACTERIZATION OF STRONG-ION EXCHANGE BIOPROCESS MEMBRANES

Author(s)

NAZARI NIMA | Moazeni Targhi Mehran | Kazemi Pezhman | Mohseni Deniz | Issue Writer Certificate

Keywords

STRONG ANION EXCHANG

STRONG CATION EXCHANGE

BIOPROCESS

NONWOVEN MEMBRANES

ION EXCHANGE MEMBRANES

Abstract

IN THIS ARTICLE, STRONG ANION-EXCHANGE (Q) AND STRONG CATION-EXCHANGE (S) MEMBRANES WERE DEVELOPED FROM COMMERCIAL POLYBUTYLENE TEREPHTHALATE (PBT) NONWOVEN FABRICS FOR BIOSEPARATIONS THROUGH A TWO-STEP MODIFICATION METHOD: (I) CONFORMAL GRAFTING OF POLY GLYCIDYL METHACRYLATE (POLYGMA) ON THE NONWOVEN FIBERS BY PHOTO-INDUCED GRAFT POLYMERIZATION, AND (II) FURTHER CONVERSION OF EPOXY GROUPS IN THE GMA TO ANION-EXCHANGEGROUPS QUATERNARY AMINE (Q) OR CATION-EXCHANGE GROUPS SULFONIC ACID (S). ATTENUATED TOTAL REFLECTION FOURIER TRANSFORM INFRARED (ATR-FTIR) WAS USED TO CHARACTERIZE THE CHEMICAL CHANGES OF THE MEMBRANES AFTER EACH MODIFICATION STEP. SCANNING ELECTRON MICROSCOPY (SEM) WAS USED TO ANALYZE THE OVERALL PORE STRUCTURE AND DETAILED FIBER SURFACE MORPHOLOGY AFTER EACH SURFACE MODIFICATION. THE DENSITY OF ION-EXCHANGE LIGANDS WAS DETERMINED THROUGH ELEMENTAL ANALYSIS (EA). THESE NEWLY DEVELOPED NONWOVEN BASED ION-EXCHANGE MEMBRANES ARE ABLE TO CAPTURE PROTEINS BASED ON ELECTROSTATIC INTERACTIONS WITH HIGH CAPACITY. THESE INEXPENSIVE FUNCTIONALIZED NONWOVEN MEMBRANES ARE PROMISING ALTERNATIVE MATERIALS FOR DEVELOPING SINGLE-USE DISPOSABLE DEVICES FOR EITHER CONTAMINANT REMOVAL OR DIRECT CAPTURE OF BIOPRODUCTS FROM COMPLEX FLUIDS.

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APA: Copy

NAZARI, NIMA, Moazeni Targhi, Mehran, Kazemi, Pezhman, & Mohseni, Deniz. (2014). CHARACTERIZATION OF STRONG-ION EXCHANGE BIOPROCESS MEMBRANES. CONFERENCE OF SPECIALIZED RENEWABLE ENERGY, CLEAN AND EFFICIENT. SID. https://sid.ir/paper/942916/en

Vancouver: Copy

NAZARI NIMA, Moazeni Targhi Mehran, Kazemi Pezhman, Mohseni Deniz. CHARACTERIZATION OF STRONG-ION EXCHANGE BIOPROCESS MEMBRANES. 2014. Available from: https://sid.ir/paper/942916/en

IEEE: Copy

NIMA NAZARI, Mehran Moazeni Targhi, Pezhman Kazemi, and Deniz Mohseni, “CHARACTERIZATION OF STRONG-ION EXCHANGE BIOPROCESS MEMBRANES,” presented at the CONFERENCE OF SPECIALIZED RENEWABLE ENERGY, CLEAN AND EFFICIENT. 2014, [Online]. Available: https://sid.ir/paper/942916/en

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