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Potential of Polarized PVDF/Carbon Nanotube Nanocomposite Scaffolds for Cell Growth

Published online by Cambridge University Press:  01 June 2015

Jun Young Lim ,
Sook Young Park ,
Hyun Jeong Kim  and
Yongsok Seo
Jun Young Lim
Affiliation:
RIAM School of Materials Science and Engineering, College of Engineering, Seoul National University, Daehakro 1, Kwanakgu, Seoul, Republic of Korea, 151-744
Sook Young Park
Affiliation:
Department of Dental Anesthesiology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea 110-768
Hyun Jeong Kim
Affiliation:
Department of Dental Anesthesiology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea 110-768
Yongsok Seo*
Affiliation:
RIAM School of Materials Science and Engineering, College of Engineering, Seoul National University, Daehakro 1, Kwanakgu, Seoul, Republic of Korea, 151-744
*
*[email protected]
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Abstract

We investigated the effects of varying the multiwalled carbon nanotube (MWCNT) contents, as well as the additional use of drawing and poling on the polymorphic behavior and electroactive (piezoelectric) properties of the cast poly(vinylidene fluoride) (PVDF)/MWCNT membranes. Dramatic changes occurred in the polar β-phase crystal contents with the MWCNT loading. An optimum concentration of MWCNT exists for PVDF film polarization. On the other hand, films prepared by electrospinning process exhibited almost constant amount of β-phase with the MWCNT concentration. In this process, polymer fibers with diameters down to the nanometer range, or nanofibers, are formed by subjecting a fluid jet to a high electric field. The remanent polarization and piezoelectric response increased with the β-phase crystals. Cell adhesion and proliferation measured with MTT (Methylthiazolyl diphenyl-tetrazolium bromide) assay coincidentally responded to the polarized PVDF films (β-phase amount).

Keywords

ferroelectricpolymercellular (material type)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1718: Symposium B – Multifunctional Polymeric and Hybrid Materials , 2015 , pp. 15 - 20
Copyright
Copyright © Materials Research Society 2015 

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References

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