Controlled continuous tapering chitosan-poly(ethylene oxide) nanofibers using a differential voltage regulation in near-field electrospinning

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题名:	Controlled continuous tapering chitosan-poly(ethylene oxide) nanofibers using a differential voltage regulation in near-field electrospinning
作者:	傅尹坤;Fuh, Yiin-Kuen;Chen, Sheng Zhan
贡献者:	工學院機械工程學系
日期:	2013-09-01
上传时间:	2026-04-23 14:54:15 (UTC+8)
出版者:	American Scientific Publishers;26650 The Old Road, Suite 208, Valencia, California 91381-0751, USA: American Scientific Publishers
摘要:	摘要： This paper reports a differential voltage regulation (DVR) via near-field electrospinning (NFES) to obtain continuous tapering chitosan-poly(ethylene oxide) nanofibers with decreasing diameters of 1000 to 250 nm. The key parameters were applied differential voltage in the range of 800 to 400 V and voltage regulation time at 1-3 seconds. A controlled continuous deposition chart has been experimentally constructed and parallel nanofibers as well as grid patterns with decreasing diameters are successfully obtained via the low-voltage operation of 400 V. Both DVR and low-voltage regime minimize bending instabilities and patterning perturbations of polymer jet inevitably encountered in higher voltage ranges of conventional far-field electrospinning. In addition, we have successfully demonstrated the feasibility to continuously pattern nanofibers on two-dimensional (2D) and three-dimensional (3D) substrates. This novel yet simple fabrication route will promise the use of electrospun nanofibers based interconnection and customized patterning for advanced fabrics such as biomimic scaffolds in tissue engineering. 出版者： 26650 The Old Road, Suite 208, Valencia, California 91381-0751, USA: American Scientific Publishers 出版日期： 2013-09-01 出處： Advanced science letters, 2013-09, Vol.19 (9), p.2658-2661 識別號： ISSN: 1936-6612 識別號： EISSN: 1936-7317 識別號： DOI: 10.1166/asl.2013.5014
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