Cited by 33Bone Tissue Engineering MaterialsSilk-based biomaterials and applicationsElectrospun Nanofibers in Biomedical Applications

Sandwich-like nanocomposite electrospun silk fibroin membrane to promote osteogenesis and antibacterial activities

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Xiang, Jing, Li, Yuzhou, Ren, Mingxing, He, Ping, Liu, Fengyi, Jing, Zheng, Li, Yong, Zhang, He +2 more·2022·Applied Materials Today

Abstract

Barrier membranes have broad application prospects in guided bone regeneration (GBR), but their use in orthopedic and dental applications is severely limited by the germ-laden microenvironment and soft-hard tissue hierarchy. Thus, a novel nanocomposite multifunctionalized sandwich-like GBR membrane (SGM) with enhanced osteogenic properties and antimicrobial activities was fabricated by the sequential electrospinning of zinc oxide nanoparticle-doped silk fibroin (nZnO/SF), pure SF, and hydroxyapatite nanoparticle-doped SF (nHA/SF). SEM images demonstrated a well-developed porous three-dimensional sandwich-like hierarchical structure, while TEM, FTIR, XRD and EDX analyses confirmed that nZnO and nHA were successfully incorporated into the SF nanofibers. The water contact angle test indicated that the SGM exhibited satisfactory hydrophilicity after integration with nZnO and nHA. In vitro biological experiments proved that SGM had good cytocompatibility with MC3T3-E1 and L929 cells and promoted the differentiation and mineralization of MC3T3-E1 cells. Additionally, antibacterial assays suggested that the SGM exhibited noticeable antimicrobial activity in vitro and in vivo. Furthermore, the SGM promoted bone formation in both rat calvarial defect models and periodontal defect models. Consequently, the multifunctionalized nanofibrous SGM, which simultaneously exhibits good biocompatibility and enhanced osteogenic and antimicrobial properties, holds promise for GBR applications.

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Crossref · 10.1016/j.apmt.2021.101273

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  • A silk-based scaffold with a three-layer structure (silk fibroin doped with zinc oxide nanoparticles, pure silk fibroin, and silk fibroin doped with hydroxyapatite nanoparticles) demonstrated good biocompatibility and enhanced osteogenic and antibacterial properties.

    “Researchers have also prepared a silk-based scaffold with a three-layer structure (silk fibroin doped with zinc oxide nanoparticles, pure silk fibroin, and silk fibroin doped with hydroxyapatite nanoparticles) for bone repair using a continuous electrospinning method, demonstrating good biocompatibility and enhanced osteogenic and antibacterial properties [76].”

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Authors
Xiang, J., Li, Y., Ren, M., He, P., Liu, F., Jing, Z., Li, Y., Zhang, H., Ji, P., & Yang, S.
Affiliations
Stomatological Hospital of Chongqing Medical University (CN)
Corresponding author
  • Zhang, He
  • Ji, Ping
  • Yang, Sheng
Venue
Applied Materials Today
Publisher
Elsevier BV
Published
2022-03
Volume
26
Pages
101273
ISSN
2352-9407 (ISSN-L)
OpenAlex
W3216178924
Cited by
33
References
68
Citations by year
2026: 3 · 2025: 6 · 2024: 15 · 2023: 8 · 2022: 1
FWCI
1.82
Type
journal article
Language
en
Open access
Locations
Applied Materials Today (publishedVersion, cc-by-nc-nd)
Funders
  • National Natural Science Foundation of China (81500894, 81901057, 82001103, 82170936, 82171010)
  • Chongqing Science and Technology Commission (20190103)
  • Natural Science Foundation of Chongqing (cstc2019jcyj-bshX0005, cstc2019jcyj-msxmX0366)
  • Chongqing Municipal Education Commission (KJQN201900441)
  • Program for Innovation Team Building at Institutions of Higher Education in Chongqing (CXTDG201602006)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
  • Physical Sciences › Materials Science › Biomaterials › Silk-based biomaterials and applications
  • Physical Sciences › Materials Science › Biomaterials › Electrospun Nanofibers in Biomedical Applications
Keywords
silk fibroin, electrospun nanofibers, guided bone regeneration, zinc oxide nanoparticles, hydroxyapatite nanoparticles, osteogenic differentiation, antibacterial activity, bone regeneration, periodontal regeneration, MC3T3-E1 cells, periodontal defects, hydrophilicity, cytocompatibility

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