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Process Study, Development and Degradation Behavior of Different Size Scale Electrospun Poly(caprolactone) and Poly(lactic acid) Fibers

Publication Type : Journal Article

Thematic Areas : Nanosciences and Molecular Medicine

Publisher : Journal of Polymer Research, Springer Netherlands

Source : Journal of Polymer Research, Springer Netherlands, Volume 25, Number 3 (2018)

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Keywords : Biomedical applications, degradation, Electrospinning, Fibers, Hydroxyapatite, Lactic acid, Medical applications, Microfibers, Morphology, Multi-scale, Nanocomposites, Nanofibers, Phosphate-buffered salines, Poly (lactic acid) fiber, Poly lactic acid, Quantitative measurement, Scaffolds (biology), scanning electron microscopy, Stability, Structural stabilities, Thermogravimetric analysis, tissue engineering

Campus : Kochi

School : Center for Nanosciences

Center : Amrita Center for Nanosciences and Molecular Medicine Move, Nanosciences

Department : Nanosciences and Molecular Medicine

Year : 2018

Abstract : This study describes the preparation of electrospun poly(caprolactone) (PCL) and poly(lactic acid) (PLA) fibrous scaffolds with and without nano-hydroxyapatite (nHAp) having nanoscale, microscale and combined micro/nano (multiscale) architecture. Processing parameters such as polymer concentration, voltage, flow rate and solvent compositions were varied in wide range to display the effect of each one in determining the diameter and morphology of fibers. The effect of each regulating parameter on fiber morphology and diameter was evaluated and characterized using scanning electron microscope (SEM). Degradability of the selected fibrous scaffolds was verified by phosphate buffered saline immersion and its morphology was analyzed through SEM, after 5 and 12nbsp;months. Quantitative measurement in degradation was further evaluated through pH analysis of the medium. Both studies revealed that PLA had faster degradation compared to PCL irrespective of the size scale nature of fibers. Structural stability evaluation of the degraded fibers in comparison with pristine fibers by thermogravimetric analysis further confirmed faster degradability of PLA compared to PCL fibers. The results indicate that PLA showed faster degradation than PCL irrespective of the size-scale nature of fibrous scaffolds, and therefore, could be applied in a variety of biomedical applications including tissue engineering. © 2018, Springer Science+Business Media B.V., part of Springer Nature

Cite this Research Publication : K. T. Shalumon, Anjana, J., Dr. Ullas Mony, Dr. Jayakumar Rangasamy, and Chen, J. - P., “Process Study, Development and Degradation Behavior of Different Size Scale Electrospun Poly(caprolactone) and Poly(lactic acid) Fibers”, Journal of Polymer Research, vol. 25, 2018.

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