Document Detail


Fabrication of aligned poly(lactic acid)-chitosan nanofibers by novel parallel blade collector method for skin tissue engineering.
MedLine Citation:
PMID:  22764409     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Poly(lactic acid) (PLA) was blended with chitosan (CS) to fabricate electrospun aligned PLA-CS nanofibers. These prepared nanofibers were aligned using a novel collector made of parallel blades which is designed to increase the transversal electric field across the gap. SEM images show that the fiber diameter mostly ranges between 150 +/- 60 nm and Fourier Transform infrared Spectroscopy (FTIR) analysis confirm the presence of PLA and CS. X-Ray Diffraction (XRD) studies explains the amorphous nature of electrospun PLA-CS nanofibers, suitable for faster degradation. Degradation studies confirmed that PLA-CS nanofiber has enhanced degradation than the pure PLA fibers. Cell studies with human dermal fibroblasts (HDF) show the orientation of cells along the direction of fiber alignment. The results indicate that the prepared PLA-CS aligned nanofibers are promising material for skin tissue engineering.
Authors:
K T Shalumon; D Sathish; S V Nair; K P Chennazhi; H Tamura; R Jayakumar
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of biomedical nanotechnology     Volume:  8     ISSN:  1550-7033     ISO Abbreviation:  J Biomed Nanotechnol     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-07-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101230869     Medline TA:  J Biomed Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  405-16     Citation Subset:  IM    
Affiliation:
Amrita Center for Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, India.
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