Publication Type : Journal Article
Thematic Areas : Nanosciences and Molecular Medicine
Publisher : Carbohydrate Polymers
Source : Carbohydrate Polymers, Volume 80, Number 2, p.414-420 (2010
Url : http://www.scopus.com/inward/record.url?eid=2-s2.0-77249173700&partnerID=40&md5=f1bdf3390b6851894922dc6a354731b4
Keywords : acetone, AFM, Beaded fibers, Biomedical applications, Caprolactone, chitin, chitosan, Concentration (process), Conductivity measurements, Electrospinning, Electrospuns, Fibrous scaffolds, Fourier transform infrared spectroscopy, FTIR, matrix, Nanofibers, Nanofibrous scaffolds, Novel solvents, Optimum value, Organic acids, Scaffolds, SEM, Single-step, Solvent mixtures, Spinnability, Thermal properties, Thermodynamic properties
Campus : Kochi
School : Center for Nanosciences
Center : Amrita Center for Nanosciences and Molecular Medicine Move, Nanosciences
Department : Nanosciences and Molecular Medicine
Year : 2010
Abstract : A fibrous scaffold comprising of chitosan (CS) and poly(ε-caprolactone) (PCL) was electrospun from a novel solvent mixture consisting of formic acid and acetone. CS concentration was varied from 0.5% to 2% by fixing PCL concentration as a constant (6%). Selected CS concentration (1%) was further blended with 4-10% PCL to obtain fine nanofibers. The composition of mixing was selected as 25:75 (1:3), 50:50 (1:1) and 75:25 (3:1) of CS and PCL. Lower concentrations of PCL resulted in beaded fibers where as 8% and 10% of PCL in lower compositions of chitosan resulted in fine nanofibers. Viscosity and conductivity measurements revealed the optimum values for the spinnability of the polymer solutions. Optimized combination of CS and PCL (1% CS and 8% PCL) in 1:3 compositions was further characterized using SEM, FTIR, AFM and TG-DTA. The developed electrospun CS/PCL scaffold would be an excellent matrix for biomedical applications.
Cite this Research Publication : K. T. Shalumon, Anulekha, K. H., Girish C. M., Prasanth, R., Shantikumar V. Nair, and Dr. Jayakumar Rangasamy, “Single Step Electrospinning of Chitosan/poly(caprolactone) Nanofibers using Formic Acid/Acetone Solvent Mixture”, Carbohydrate Polymers, vol. 80, pp. 414-420, 2010.