Advanced Fiber Materials, Volume. 6, Issue 1, 00358(2024)

Flexible Copper-Doped Silica Fibers Promote Infected Conjunctival Tissue Repair Through Antibacterial and Anti-inflammatory Effects

Jie Cui1,†... Yuchen Cai2,3,†, Xiao Yu1, Yihong Shen1, Tianyi Zhou2,3, Binbin Sun1, Pengfei Cai1, Zhengchao Yuan1, Muhammad Shafiq4,5, Mohamed EL-Newehy6, Hany EL-Hamshary6, Xingping Zhou1,*, Yao Fu2,3,** and Xiumei Mo1,*** |Show fewer author(s)
Author Affiliations
  • 1State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, People’s Republic of China
  • 2Department of Ophthalmology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
  • 3Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 200011, People’s Republic of China
  • 4Innovation Center of NanoMedicine, Kawasaki Institute of Industrial Promotion, 3-25-14 Tono-machi, Kawasaki-ku, Kanagawa 210-0821, Japan
  • 5United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
  • 6Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, 11451 Riyadh, Saudi Arabia
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    The conjunctiva is crucial in safeguarding the eye from harm or infection, thereby ensuring the preservation of the vision. The repair of infected conjunctival damage is necessary. The objective of this study is to develop copper-doped flexible silica nanofibers (SiO2@Cu NFs) with multifunctional antibacterial and anti-inflammatory characteristics. The continuous release of copper ions from electrospun membranes is shown to be effective to promote antibacterial and bioactive functions. Nanofiber membranes also exhibit biocompatibility and promote cell growth, angiogenesis, and inflammation modulation. In vivo evaluations further reveal the therapeutic efficacy of SiO2@Cu NFs to promote the structural and the functional recoveries of the conjunctiva. Taken together, SiO2@Cu NFs may hold significant promise for the fabrication of alternative ocular bandage to suppress bacterial infection and promote repair of ocular tissues and may potential be also used for related disciplines. Schematic diagram showing the fabrication of SiO2@Cu NFs for the regeneration of infected conjunctiva.

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    Jie Cui, Yuchen Cai, Xiao Yu, Yihong Shen, Tianyi Zhou, Binbin Sun, Pengfei Cai, Zhengchao Yuan, Muhammad Shafiq, Mohamed EL-Newehy, Hany EL-Hamshary, Xingping Zhou, Yao Fu, Xiumei Mo. Flexible Copper-Doped Silica Fibers Promote Infected Conjunctival Tissue Repair Through Antibacterial and Anti-inflammatory Effects[J]. Advanced Fiber Materials, 2024, 6(1): 00358

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    Paper Information

    Category: Research Articles

    Received: Jun. 5, 2023

    Accepted: Dec. 14, 2023

    Published Online: Jul. 4, 2024

    The Author Email: Zhou Xingping (xpzhou@dhu.edu.cn), Fu Yao (drfuyao@126.com), Mo Xiumei (xmm@dhu.edu.cn)

    DOI:10.1007/s42765-023-00358-5

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