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Article

Synthesis and Characterization of Hybrid Molecularly Imprinted Polymer (MIP) Membranes for Removal of Methylene Blue (MB)

by
Saliza Asman
1,2,
Nor Azah Yusof
3,4,*,
Abdul Halim Abdullah
3,4 and
Md Jelas Haron
3
1
Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
2
Department of Science and Mathematics, Faculty of Science, Technology and Human Development, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia
3
Department of Chemistry, Faculty of Science, Universiti of Putra Malaysia, Serdang 43400, Selangor, Malaysia
4
Institute of Advanced Technology (ITMA), Universiti of Putra Malaysia, Serdang 43400, Selangor, Malaysia
*
Author to whom correspondence should be addressed.
Molecules 2012, 17(2), 1916-1928; https://doi.org/10.3390/molecules17021916
Submission received: 15 December 2011 / Revised: 2 February 2012 / Accepted: 3 February 2012 / Published: 15 February 2012
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Abstract

This work reports the synthesis and characterization of a hybrid molecularly imprinted polymer (MIP) membrane for removal of methylene blue (MB) in an aqueous environment. MB-MIP powders were hybridized into a polymer membrane (cellulose acetate (CA) and polysulfone (PSf)) after it was ground and sieved (using 90 µm sieve). MB-MIP membranes were prepared using a phase inversion process. The MB-MIP membranes were characterized using Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscope (SEM). Parameters investigated for the removal of MB by using membrane MB-MIP include pH, effect of time, concentration of MB, and selectivity studies. Maximum sorption of MB by PSf-MB-MIP membranes and CA-MB-MIP membranes occurred at pH 10 and pH 12, respectively. The kinetic study showed that the sorption of MB by MB-MIP membranes (PSf-MB-MIP and CA-MB-MIP) followed a pseudo-second-order-model and the MB sorption isotherm can be described by a Freundlich isotherm model.
Keywords: molecularly imprinted polymer (MIP); MB-MIP membrane; methylene blue (MB); cellulose acetate (CA); polysulfone (PSf) molecularly imprinted polymer (MIP); MB-MIP membrane; methylene blue (MB); cellulose acetate (CA); polysulfone (PSf)

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MDPI and ACS Style

Asman, S.; Yusof, N.A.; Abdullah, A.H.; Haron, M.J. Synthesis and Characterization of Hybrid Molecularly Imprinted Polymer (MIP) Membranes for Removal of Methylene Blue (MB). Molecules 2012, 17, 1916-1928. https://doi.org/10.3390/molecules17021916

AMA Style

Asman S, Yusof NA, Abdullah AH, Haron MJ. Synthesis and Characterization of Hybrid Molecularly Imprinted Polymer (MIP) Membranes for Removal of Methylene Blue (MB). Molecules. 2012; 17(2):1916-1928. https://doi.org/10.3390/molecules17021916

Chicago/Turabian Style

Asman, Saliza, Nor Azah Yusof, Abdul Halim Abdullah, and Md Jelas Haron. 2012. "Synthesis and Characterization of Hybrid Molecularly Imprinted Polymer (MIP) Membranes for Removal of Methylene Blue (MB)" Molecules 17, no. 2: 1916-1928. https://doi.org/10.3390/molecules17021916

APA Style

Asman, S., Yusof, N. A., Abdullah, A. H., & Haron, M. J. (2012). Synthesis and Characterization of Hybrid Molecularly Imprinted Polymer (MIP) Membranes for Removal of Methylene Blue (MB). Molecules, 17(2), 1916-1928. https://doi.org/10.3390/molecules17021916

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