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TitleFiber average size and distribution dependence on electrospinning parameters of poly(vinylidene fluoride trifluoroethylene) (P(VDF-TrFE)) membranes for biomedical applications
Author(s)Sencadas, Vítor João Gomes Silva
Ribeiro, C.
Pereira, J.
Correia, Vítor
Lanceros-Méndez, S.
KeywordsElectroactive membranes
Poly(vinylidene fluoride-trifluorethylene)
Tissue and biomedical engineering
Poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE))
Issue date2012
JournalApplied Physics A: Materials Science & Processing
Abstract(s)Poly(vinylidene fluoride-trifluoethylene) electrospun membranes were obtained from a blend of dimethylformamide (DMF) and methylethylketone (MEK) solvents. The inclusion of the MEK to the solvent system promotes a faster solvent evaporation allowing complete polymer crystallization during the jet travelling between the tip and the grounded collector. Several processing parameters were systematically changed to study their influence on fiber dimensions. Applied voltage and inner needle diameter do not have large influence on the electrospun fiber average diameter but in the fiber diameter distribution. On the other hand, the increase of the distance between the needle tip to collector results in fibers with larger average diameter. Independently on the processing conditions, all mats are produced in the electroactive phase of the polymer. Further, MC-3T3-E1cell adhesion was not inhibited by the fiber mats preparation, indicating their potential use for biomedical applications.
Publisher version
AccessRestricted access (UMinho)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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