Review
Engineering, Biomedical
Bin Kong, Rui Liu, Jiahui Guo, Ling Lu, Qing Zhou, Yuanjin Zhao
Summary: Nano/micro fibers have attracted much attention in fiber science due to their special functions and properties, and they have a wide range of applications in fields such as environmental engineering, electronics, and biomedicine.
BIOACTIVE MATERIALS
(2023)
Article
Polymer Science
Ting -Fang Chen, Chieh-Tsung Lo
Summary: Core-sheath fibers composed of crystalline polymer (PEO) in the core and amorphous polymers (PS and PMMA) in the sheath were fabricated through coaxial electrospinning. PEO crystallization behavior was influenced by the hard confinement of the immobile sheath, resulting in decreased crystallite size, degree of crystallinity, and crystallization kinetics.
Article
Chemistry, Multidisciplinary
Zhangbin Feng, Ke Wang, Yukang Liu, Biao Han, Deng-Guang Yu
Summary: In this study, core-sheath structure fibers composed of PVDF and NPs as the shell layer and PCL as the core layer were prepared using electrospinning. The addition of PVDF and NPs increased the polar phase of the fibers, and PCL improved their mechanical properties. The core-sheath structure fibers demonstrated enhanced mechanical and piezoelectric properties, making them suitable for wearable electronics applications.
Article
Biochemistry & Molecular Biology
Yubo Liu, Xiaohong Chen, Yuhang Gao, Yuyang Liu, Dengguang Yu, Ping Liu
Summary: In this study, core-sheath fibers based on cellulose acetate were prepared using modified triaxial electrospinning technology for controlled and sustained release of water-insoluble drugs. The optimized core-sheath structure showed better water retention and flatter sustained-release profiles compared to monolithic fibers, with potential for significant improvements in drug delivery systems.
Article
Polymer Science
Selin Kyuchyuk, Dilyana Paneva, Nevena Manolova, Iliya Rashkov, Daniela Karashanova, Nadya Markova
Summary: This study reports the preparation of nanofibrous composites with core/double-sheath structure using single-spinneret electrospinning. The produced materials showed improved mechanical properties and antimicrobial activity, making them promising for wound healing applications.
Article
Polymer Science
Zhenzhen Quan, Yuqing Xu, Hui Rong, Weiguo Yang, Yaobin Yang, Guo Wei, Dongxiao Ji, Xiaohong Qin
Summary: In this study, the oil-in-water core-sheath structured nanofibers were prepared using dodecanol and polyvinyl alcohol as the oil phase and water phase, respectively. The formation mechanism of the core-sheath structure was investigated. It was found that the nanofibers exhibited an obvious core-sheath structure with a good thermal cycle stability and high phase transition enthalpy when the water phase content was greater than or equal to 10 wt% and the oil phase content was less than or equal to 8 wt%.
Article
Biochemistry & Molecular Biology
Selin Kyuchyuk, Dilyana Paneva, Daniela Karashanova, Nadya Markova, Ani Georgieva, Reneta Toshkova, Nevena Manolova, Iliya Rashkov
Summary: In this study, composite fibrous materials were successfully prepared by electrospinning poly(ethylene oxide) (PEO) and beeswax (BW). The embedded drug, 5-Nitro-8-hydroxyquinoline (NQ), exhibited antibacterial, antifungal, and anticancer properties. The PEO/BW/NQ fibrous materials showed selective bioactivity against bacteria, fungi, and cancer cells.
MACROMOLECULAR BIOSCIENCE
(2022)
Article
Materials Science, Composites
Sixian Chen, Fengyun Guo, Ziyi Guo, Lei Gao, Dongming Qi, Jie Xiong, Yong Zhao
Summary: Inspired by silk, double core-sheath bi-phasic fibers were fabricated in this study, showing improved strength, maintained hydrophobicity, and cytocompatibility. This strategy holds great potential for applications such as material carriers and tissue engineering scaffolds.
COMPOSITES COMMUNICATIONS
(2022)
Article
Polymer Science
Magda Blosi, Anna Luisa Costa, Simona Ortelli, Franco Belosi, Fabrizio Ravegnani, Alessio Varesano, Cinzia Tonetti, Ilaria Zanoni, Claudia Vineis
Summary: A new class of high-performant filter media was designed to advance facemask technology and provide efficient solutions against virus propagation, utilizing electrospun PVA/AgNPs nanofibers. Physicochemical characterization and testing showed that the filter media achieved a 97.7% filtration efficiency for nano-aerosolized particles and maintained pressure drop in line with FFP1 and FFP2 masks, paving the way for its application in facemasks as advanced filtering media.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Review
Nanoscience & Nanotechnology
Prerana Rathore, Jessica D. Schiffman
Summary: Electrospinning is increasingly popular for producing fibrous assemblies with high surface area, and coaxial electrospinning has emerged as a modified version to address limitations of traditional methods. This review discusses the mechanism of coaxial electrospinning, operational parameters for fabricating continuous fibers, and modifications to improve fiber properties. Examples of diverse applications and current limitations of coaxial electrospinning are also included for discussion.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Biotechnology & Applied Microbiology
Chenghui Qian, Yubo Liu, Si Chen, Chenyang Zhang, Xiaohong Chen, Yuehua Liu, Ping Liu
Summary: In this study, core-sheath nanofibers composed of polycaprolactone (PCL) polymer were successfully fabricated, with Simvastatin (SIM) confined to the core and nanohydroxyapatite (nHA) loaded on the surface. The nanofibers exhibited cylindrical morphology, and their core-sheath structure was confirmed using Transmission Electron Microscope. SIM was found to be in an amorphous state within the nanofibers, and excellent chemical compatibility was observed among SIM, nHA, and PCL through Fourier Transform InfraRed spectroscopy. The core-sheath nanofibers showed sustained release of SIM for 672 hours, and they demonstrated the most favorable cell proliferation behavior.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
Longfei Li, Fei Peng, Guoqiang Zheng, Kun Dai, Chuntai Liu, Changyu Shen
Summary: In this study, a facile strategy for fabricating core-sheath piezoelectric fiber (C-PEF) by electrospinning poly(vinylidene fluoride) (PVDF) onto stainless steel wires was reported. The C-PEF can respond well to bending deformation and can be assembled into a piezoelectric bending sensor for airflow speed sensing. Moreover, the spring-like structured C-PEF (S-C-PEF) can serve as a piezoelectric spring sensor and monitor human sleep behavior in a sophisticated manner. This work paves the way for developing low-cost and reliable multigeometric piezoelectric sensors for bending sensing and health monitoring.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Bo Yang, Dawei Pan, Laixi Sun, Shufan Chen, Weidong Wu, Bo Li
Summary: This study reports the fabrication of polymer composite fibers embedding ultra-long micro/nanowires using an iterative melt co-drawing and bundling technique. By preparing PMMA porous array templates, Cu nanowires were successfully prepared and smooth complete orientation PMMA micro/nanowires were obtained.
Article
Biochemistry & Molecular Biology
Chih-Hao Chen, Yuan-Hsun Cheng, Shih-Heng Chen, Andy Deng-Chi Chuang, Jyh-Ping Chen
Summary: In this study, core-sheath nanofiber membranes (CSNFMs) with silver nanoparticles embedding in the polylactic acid nanofiber sheath and hyaluronic acid in the nanofiber core were prepared. The CSNFMs functioned as barrier membranes to reduce fibroblast penetration without hampering nutrient transports to prevent post-operative peritendinous adhesion. The CSNFM with thin-sheath and Ag NPs showed antibacterial activity with low cytotoxicity and exhibited the highest efficacy in reducing fibroblast attachment in vitro.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Nanoscience & Nanotechnology
Hyo Jung Son, Hae-Jin Kim, Seongsik Jeong, Yooseong Ahn, Hoichang Yang, Minwoo Park
Summary: This article introduces a novel stretchable interconnect structure using nonvolatile droplet-conductive microfiber arrays. By employing the interfacial capillary spooling, the PU@Ag fibers can reversibly coil and uncoil under tensile force, while maintaining excellent conductivity.
ACS APPLIED MATERIALS & INTERFACES
(2023)