The electrospinnability of visco-elastic sugar solutions

Tucker, Nick, Lepe, Pablo G. T., Watson, Andrew J. A. , Le Corre-Bordes, Deborah, Fairbanks, Antony J. and Staiger, Mark P. (2017) The electrospinnability of visco-elastic sugar solutions. Applied Rheology, 27 (3). p. 35703. ISSN 1430-6395

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The electrospinnability of visco-elastic sugar solutions
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It has been proposed that hydrogen bonding plays a role in promoting the electrospinnability of some materials. In this work, the significance of non-covalent interactions in the electrospinnability of aqueous sugar solutions (i.e. mono- and disaccharide) was investigated as a function of carbohydrate concentration. The electrospinnability of concentrated aqueous solutions of glucose, fructose and sucrose was studied by physicochemical and rheological characterization methods, and by subsequently examining the resulting morphology via scanning electron microscopy. The results on the electrospinning of concentrated saccharide solutions indicated the significance of non-covalent interactions on the electrospinning of these systems. Electrospinnability models based on critical concentration and visco-elasto capillary theories were compared with the experimental results. It is shown that visco-elasto capillary theory has the closest correlation with the experimental data. The electrospinnability of highly concentrated saccharide solutions appears to be directly related to the density and intermolecular bonding capacity of the solution.

Keywords:electrospinning, nanofibres, saccharide, hydrogen bonding, carbohydrates, bmjdoi
Subjects:H Engineering > H441 Flight Mechanics
Divisions:College of Science > School of Engineering
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ID Code:27403
Deposited On:27 Apr 2017 12:55

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