title: Nano-web structures constructed with a cellulose acetate/lithium chloride/polyethylene oxide hybrid: modeling, fabrication and characterization.
abstract: Electrospun nano-web structures (ENWSs) were successfully fabricated from ionized binary solution of cellulose(Mn30)/polyethylene oxide(Mn200) (CA/PEO of 0.5-1.5). Final concentration of polymers was 12% (w/v) in the solution, and lithium chloride was used as ionizing agent. Response surface methodology (RSM) was applied to the optimize fabrication of ENWSs. Results of multiple linear regression analysis revealed that the solution properties and ENWSs morphology were strongly influenced by CA/PEO. An increase in PEO amount increased the viscosity which is a function of molecular weight, and as a result raised the entanglement of polymeric solution but decreased the surface tension that all support nanofibers fabrication. The size of nanofibers decreased with reducing PEO and LiCl concentration. Increasing the content of LiCl promoted the electrical conductivity (EC) value; however, junction zones were formed. The overall optimum region was found to be at combined level of 1.5% CA/PEO and 0.49% (w/v) LiCl.
authors.affiliation: Transfer Phenomena Laboratory (TPL), Department of Food Science, Technology and Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, PO Box: 4111, 31587-11167 Karadj, Iran. Electronic address: atefe_borumand@ut.ac.ir.
authors.forename: Atefeh
authors.initials: A
authors.lastname: Broumand
authors.affiliation: Transfer Phenomena Laboratory (TPL), Department of Food Science, Technology and Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, PO Box: 4111, 31587-11167 Karadj, Iran; Center of Excellence for Application of Modern Technologies for Producing Functional Foods and Drinks. Electronic address: emamj@ut.ac.ir.
authors.forename: Zahra
authors.initials: Z
authors.lastname: Emam-Djomeh
authors.affiliation: Transfer Phenomena Laboratory (TPL), Department of Food Science, Technology and Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, PO Box: 4111, 31587-11167 Karadj, Iran.
authors.forename: Faramarz
authors.initials: F
authors.lastname: Khodaiyan
authors.affiliation: Department of Biotechnology, Research Center of Medical Plant-ACECR, Karadj, Iran.
authors.forename: Sasan
authors.initials: S
authors.lastname: Mirzakhanlouei
authors.affiliation: Nanotechnology Laboratory, Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran, Karadj, Iran.
authors.forename: Driush
authors.initials: D
authors.lastname: Davoodi
authors.affiliation: Institute of Biochemistry & Biophysics (IBB), University of Tehran, Tehran, Iran.
authors.forename: Ali A
authors.initials: AA
authors.lastname: Moosavi-Movahedi
keywords: Cellulose acetate; Electrospinning; Molecular weight; Nano-web structures; Optimization