Journal
JOURNAL OF NANOMATERIALS
Volume 2013, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2013/483569
Keywords
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Funding
- National Basic Research Program of China (973 Program) [2011CB710901]
- National Natural Science Foundation of China [10802006, 10925208, 11272038, 81171473]
- 111 Project [B13003]
- International Joint Research Center of Aerospace Biotechnology and Medical Engineering, Ministry of Science and Technology of China
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The magnetic electrospinning (MES) method has been applied to generate aligned nanofibers. But researchers have different view-points on the usage of magnetic particles in the polymeric solutions. In order to investigate the effect of magnetic particles in forming the ordered fibers, the poly(lactic-co-glycolic acid) solutions with or without Fe3O4 nanoparticles were electrospun via MES. The fibers were compared at different voltages (13.5, 15.5, 17.5, and 19.5 kV) and flow rates (0.6, 0.9, 1.2, and 1.8 mL/h). It is shown that the well-aligned fibers can be fabricated by both magnetic and nonmagnetic solutions. The doping of Fe3O4 nanoparticles can increase the aligned fibers in some degree, especially at high applied voltage and flow rate. The diameters of fibers electrospun by MES were smaller than those by conventional electrospinning, and the diameter of fibers by MES without magnet particles was the smallest.
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