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100			_a20150707a2014 k y0engy50 ba
101	0		_aeng
135			_adrnn ---uucaa
181		0	_ai
182		0	_ab
200	1		_aFerroelectric polymer scaffolds based on a copolymer of tetrafluoroethylene with vinylidene fluoride: Fabrication and properties _fE. N. Bolbasov [et al.]
203			_aText _celectronic
300			_aTitle screen
320			_a[References: p. 41 (46 tit.)]
330			_aA solution blow spinning technique is a method developed recently for making nonwoven webs of micro- and nanofibres. The principal advantage of this method compared to a more traditional electrospinning process is its significantly higher production rate. In this work, the solution blow spinning method was further developed to produce nonwoven polymeric scaffolds based on a copolymer of tetrafluoroethylene with vinylidene fluoride solution in acetone. A crucial feature of the proposed method is that high-voltage equipment is not required, which further improves the method's economics. Scanning electron microscopy analysis of the samples demonstrated that the surface morphology of the nonwoven materials is dependent on the polymer concentration in the spinning solution. It was concluded that an optimum morphology of the nonwoven scaffolds for medical applications is achieved by using a 5% solution of the copolymer. It was established that the scaffolds produced from the 5% solution have a fractal structure and anisotropic mechanical properties. X-ray diffraction, infrared spectroscopy, Raman spectroscopy and differential scanning calorimetry demonstrated that the fabricated nonwoven materials have crystal structures that exhibit ferroelectric properties. Gas chromatography has shown that the amount of acetone in the nonwoven material does not exceed the maximum allowable concentration of 0.5%. In vitro analysis, using the culture of motile cells, confirmed that the nonwoven material is non-toxic and does not alter the morpho-functional status of stem cells for short-term cultivation, and therefore can potentially be used in medical applications.
333			_aРежим доступа: по договору с организацией-держателем ресурса
461			_tMaterials Science and Engineering: C
463			_tVol. 40 _v[P. 32-41] _d2014
610	1		_aэлектронный ресурс
610	1		_aтруды учёных ТПУ
701		1	_aBolbasov _bE. N. _cphysicist _cEngineer of Tomsk Polytechnic University _f1981- _gEvgeny Nikolaevich _2stltpush _3(RuTPU)RU\TPU\pers\30857
701		1	_aAnissimov _bY. G.
701		1	_aPustovoytov _bA. V.
701		1	_aKhlusov _bI. A. _cbiophysicist _cProfessor of Tomsk Polytechnic University, doctor of medical Sciences _f1963- _gIgor Albertovich _2stltpush _3(RuTPU)RU\TPU\pers\34907
701		1	_aZaitsev _bA. A.
701		1	_aZaitsev _bK. V.
701		1	_aLapin _bI. N.
701		1	_aTverdokhlebov _bS. I. _cphysicist _cAssociate Professor of Tomsk Polytechnic University, Candidate of physical and mathematical science _f1961- _gSergei Ivanovich _2stltpush _3(RuTPU)RU\TPU\pers\30855
712	0	2	_aНациональный исследовательский Томский политехнический университет (ТПУ) _bФизико-технический институт (ФТИ) _bКафедра теоретической и экспериментальной физики (ТиЭФ) _h138 _2stltpush _3(RuTPU)RU\TPU\col\18726
801		2	_aRU _b63413507 _c20160603 _gRCR
856	4		_uhttp://dx.doi.org/10.1016/j.msec.2014.03.038
942			_cCF