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Co-electrospinning of Core−Shell Fibers Using a Single-Nozzle Technique
Abstract
Co-electrospinning is ideally suited for fabricating continuous fibers encasing materials within a polymer sleeve, but requires relatively complex coannular nozzles. A single-nozzle co-electrospinning technique is demonstrated using blends of poly(methyl methacrylate) (PMMA)/polyacrylonitrile (PAN) solutions in dimethylformamide (DMF). The as-spun fibers have outer diameters in the range of 0.5-5 microm and possess a core-shell structure similar to that attained via coannular nozzles. The technique relies on the precipitation of PMMA solution droplets, which become trapped at the base of the Taylor cone issuing the PAN solution jet from its tip. A theoretical analysis shows that the outer shell flow is sufficiently strong to stretch the inner droplet into the Taylor cone, thus forming a core-shell jet. The method seems attractive for technological applications involving macroscopically long and radially inhomogeneous or hollow nano/micro fibers.
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Cited by
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Persano, L., Camposeo, A., Tekmen, C., & Pisignano, D. (2013) · Macromolecular Materials and Engineering · doi:10.1002/mame.201200290 · Cited by 965
Yao, H., Zheng, G., Hsu, P.-C., Kong, D., Cha, J. J., Li, W., Seh, Z. W., McDowell, M. T., Yan, K., Liang, Z., et al. (2014) · Nature Communications · doi:10.1038/ncomms4943 · Cited by 398
Biomedical Applications of Electrospun Nanofibers: Drug and Nanoparticle Delivery
Bhattarai, R. S., Bachu, R. D., Boddu, S. H. S., & Bhaduri, S. (2018) · Pharmaceutics · doi:10.3390/pharmaceutics11010005 · Cited by 322
Nanowire-in-Microtube Structured Core/Shell Fibers via Multifluidic Coaxial Electrospinning
Chen, H., Wang, N., Di, J., Zhao, Y., Song, Y., & Jiang, L. (2010) · Langmuir · doi:10.1021/la100611f · Cited by 287
Bioinspired Superwettability Electrospun Micro/Nanofibers and Their Applications
Hou, L., Wang, N., Wu, J., Cui, Z., Jiang, L., & Zhao, Y. (2018) · Advanced Functional Materials · doi:10.1002/adfm.201801114 · Cited by 284
Metadata
- Authors
- Bazilevsky, A. V., Yarin, A. L., & Megaridis, C. M.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-02-01
- Volume
- 23
- Issue
- 5
- Pages
- 2311-2314
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2010085196
- Cited by
- 335
- References
- 0
- FWCI
- 6.75
- Type
- journal article
- Language
- en
- Open access
- closed
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- Bazilevsky, A. V., Yarin, A. L., & Megaridis, C. M. (2007). Co-electrospinning of Core−Shell Fibers Using a Single-Nozzle Technique. Langmuir. https://doi.org/10.1021/la063194q
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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