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Reference type: Journal
Authors: Feng LA, Liu YJ, Zhou XD, Hu JM
Article Title: The fabrication and characterization of a formaldehyde odor sensor using molecularly imprinted polymers.
Publication date: 2005
Journal: Journal of Colloid and Interface Science
Volume: 284
Issue: (2)
Page numbers: 378-382.
DOI: 10.1016/j.jcis.2004.10.054
Alternative URL: http://www.sciencedirect.com/science/article/B6WHR-4F31PPW-9/2/d62fe89a5d3daa1caa436194163ba136

Abstract: The fabrication and characterization of odor sensors based on molecularly imprinted polymers is reported as the first case of imprinting formaldehyde. A quartz crystal microbalance is employed as a sensitive apparatus of a sensor for the determination of odor formaldehyde. An equation is deduced to characterize the interaction between molecularly imprinted films and the template. A linear relationship between the frequency shifts and the concentration of analyte in the range of 1.25 to 14.25 μM is found. The detection limit is about 20.5 μM. The sensor can selectively distinguish gaseous formaldehyde. It is envisaged that this novel and handy method could be employed to determine formaldehyde gas in the atmosphere
Template and target information: formaldehyde
Author keywords: formaldehyde, molecular imprinting, quartz crystal microbalance


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