A Review of the Effect of Processing Variables on the Fabrication of Electrospun Nanofibers for Drug Delivery Applications
Tóm tắt
Electrospinning is a fast emerging technique for producing ultrafine fibers by utilizing electrostatic repulsive forces. The technique has gathered much attention due to the emergence of nanotechnology that sparked worldwide research interest in nanomaterials for their preparation and application in biomedicine and drug delivery. Electrospinning is a simple, adaptable, cost‐effective, and versatile technique for producing nanofibers. For effective and efficient use of the technique,several processing parameters need to be optimized for fabricating polymeric nanofibers. The nanofiber morphology, size, porosity, surface area, and topography can be refined by varying these parameters. Such flexibility and diversity in nanofiber fabrication by electrospinning has broadened the horizons for widespread application of nanofibers in the areas of drug and gene delivery, wound dressing, and tissue engineering. Drug‐loaded electrospun nanofibers have been used in implants, transdermal systems, wound dressings, and as devices for aiding the prevention of postsurgical abdominal adhesions and infection. They show great promise for use in drug delivery provided that one can confidently control the processing variables during fabrication. This paper provides a concise incursion into the application of electrospun nanofibers in drug delivery and cites pertinent processing parameters that may influence the performance of the nanofibers when applied to drug delivery.
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Tài liệu tham khảo
FormhalsA. Process and apparatus for preparing artificial threads US Patent 1-975-504 1934.
FormhalsA. Method and apparatus for spinning US Patent 2-160-962 1939.
FormhalsA. Artificial thread and method of producing same US Patent 2-187-306 1940.
FormhalsA. Production of artificial fibres from fibre forming liquids US Patent 2-323-025 1934.
Larrondo L., 1981, Electrostatic fiber spinning from polymer melts. 1. Experimental-observations on fiber formation and properties, Journal of Polymer Science A, 19, 909
Larrondo L., 1981, Electrostatic fiber spinning from polymer melts. 2. Examination of the flow field in an electrically driven jet, Journal of Polymer Science A, 19, 921
Liang D., 2005, In vitro non-viral gene delivery with nanofibrous scaffolds, Nucleic Acids Research, 33, 10.1093/nar/gni171
Venugopal J., 2005, Electrospun nanofibers: biomedical applications, Proceedings of the Institution of Mechanical Engineers N, 218, 35
He C., 2008, Fabrication of drug-loaded electrospun aligned fibrous threads for suture applications, Journal of Biomedical Materials Research B, 89, 80
Jacoby M., 2004, Hollow nanofibers in a single step: electrospinning, sol-gel chemistry are combined to form nanotubular fibers, Chemical and Engineering New, 82
Zhou J., 2010, Electrospinning of silk fibroin and collagen for vascular tissue engineering, International Journal of Biological Macromolecules, 47, 10.1016/j.ijbiomac.2010.07.010
Kattamuri N., 2005, Development and surface characterization of positively charged filters, Journal of Materials Science, 40, 4531, 10.1007/s10853-005-2803-0