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Article

Fabrication of Silk Fibroin Fluorescent Nanofibers via Electrospinning

Industrial Research Institute of Nonwovens and Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, China
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Polymers 2019, 11(6), 986; https://doi.org/10.3390/polym11060986
Received: 17 April 2019 / Revised: 22 May 2019 / Accepted: 24 May 2019 / Published: 4 June 2019
Fluorescent silk fibroin nanofibers were fabricated via electrospinning method with three kinds of fluorescent dyes. Electrospun fluorescent nanofibers showed smooth surfaces and average diameters of 873 ± 135 nm, 835 ± 195 nm, and 925 ± 205 nm, respectively, for silk fibroin-fluorescein sodium, silk fibroin-rhodamine B, and silk fibroin-acridine orange nanofibers containing 2.0 wt% fluorescent dyes. At the same time, the secondary structure of silk fibroin in fluorescent nanofibers was predominantly amorphous conformation without influence by adding different concentrations of fluorescent dyes, as characterized by Fourier transform infrared spectroscopy and X-ray diffraction. Thermal degradation behavior of fluorescent silk fibroin nanofibers with a dramatic decrease in weight residue was observed at around 250 °C. The fluorescence effect of fluorescent silk fibroin nanofibers was changed by changing the concentration of different fluorescent dyes. These fluorescent nanofibers may make promising textile materials for large scale application. View Full-Text
Keywords: fluorescence; silk fibroin; nanofiber; electrospinning fluorescence; silk fibroin; nanofiber; electrospinning
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MDPI and ACS Style

Pang, L.; Ming, J.; Pan, F.; Ning, X. Fabrication of Silk Fibroin Fluorescent Nanofibers via Electrospinning. Polymers 2019, 11, 986. https://doi.org/10.3390/polym11060986

AMA Style

Pang L, Ming J, Pan F, Ning X. Fabrication of Silk Fibroin Fluorescent Nanofibers via Electrospinning. Polymers. 2019; 11(6):986. https://doi.org/10.3390/polym11060986

Chicago/Turabian Style

Pang, Liaoliao, Jinfa Ming, Fukui Pan, and Xin Ning. 2019. "Fabrication of Silk Fibroin Fluorescent Nanofibers via Electrospinning" Polymers 11, no. 6: 986. https://doi.org/10.3390/polym11060986

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