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Reference type: Journal
Authors: Sooraj MP, Mathew B
Article Title: Structure-specific sorbent based on nanostructures for selective recognition of cimetidine from its structural analogues.
Publication date: 2014
Journal: Journal of Applied Polymer Science
Volume: 131
Issue: (20)
Page numbers: n/a.
DOI: 10.1002/app.40947

Abstract: Synthetic molecular units for cimetidine recognition (MWCNT-MIP) were fabricated at the vinyl functionalized surface of MWCNT (MWCNT-CH=CH2). The products and intermediates were characterized using Fourier-transform infrared spectroscopy, PXRD, thermogravimetric analysis, scanning electron microscope, and tunneling electron microscope techniques. The well fit curve of Langmuir adsorption isotherm clearly indicated the increased homogeneity of MWCNT-MIP (R2 = 0.998) as compared to the bulk MIP (R2 = 0.966). The rebinding process was found to follow a second-order kinetics with a rapid adsorption rate and decreased time period which suggested the enhancement of recognition sites on the surface of MWCNT-MIP. The maximum saturated binding capacity (Qmax) showed a 31.73% increase after the incorporation of MWCNT on MIPs. The relative selectivity coefficient (k') of MWCNT-MIP (6.82) was higher than that of the bulk MIP (4.23). In addition, reusability of bulk and MWCNT-MIPs was demonstrated. It was found that MWCNT-MIP showed five repeated cycles without any loss in performance. 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40947
Template and target information: cimetidine
Author keywords: adsorption, morphology, Thermogravimetric analysis

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