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Reference type: Journal
Authors: Khan MN, Irshad M, Mujahid A, Hussain T, Raza MH, Ahmad MN, Mujahid A, Farooq MU
Article Title: Molecular Imprinted Polysiloxanes for Selective Removal of Leucomalachite Green.
Publication date: 2015
Journal: Asian Journal of Chemistry
Volume: 27
Issue: (12)
Page numbers: 4369-4372.
DOI: 10.14233/ajchem.2015.19124
Alternative URL: http://www.asianjournalofchemistry.co.in/user/journal/viewarticle.aspx?ArticleID=27_12_10

Abstract: Leucomalachite green sensitive molecular imprinted polysiloxanes were synthesized by sol-gel polymerization. The imprinting of leucomalachite green in polymer matrix was investigated by FTIR studies which indicate the presence of leucomalachite green characteristic peaks. Washing imprinted polysiloxanes with deionized water leads to the removal of leucomalachite green thus, developing adapted cavities for reversible re-inclusion of analyte molecules. The recognition properties of imprinted polysiloxanes were evaluated by their rebinding affinity towards leucomalachite green. In rebinding studies, imprinted polysiloxanes showed significant binding affinity for leucomalachite green i.e. tested in the range of 0.04 to 0.1 mmol whereas the non-imprinted polysiloxanes exhibited much lower binding. Imprinted polysiloxanes were highly selective for leucomalachite green recognition as they showed five-fold higher binding response when compared with structurally related methyl violet dye. Finally, their reusability was evaluated which indicated that the rebinding efficiency of regenerated polysiloxanes was more than 80 % comparing to freshly prepared polymer suggesting them highly cost effective and could be used as potential recognition matrix for leucomalachite green removal from environmental samples.
Template and target information: leucomalachite green
Author keywords: Leucomalachite green, molecular imprinting, polysiloxanes, Methyl violet


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