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载于 PAN 静电纺纳米纤维上的硫酸根掺杂的 AgPO 纳米粒子增强的抗菌性能。

Enhanced Antibacterial Property of Sulfate-Doped AgPO Nanoparticles Supported on PAN Electrospun Nanofibers.

机构信息

Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University, Jeonju 54907, Korea.

Korea Institute of Carbon Convergence Technology (KCTECH), Jeonju 54853, Korea.

出版信息

Molecules. 2020 Mar 19;25(6):1411. doi: 10.3390/molecules25061411.

DOI:10.3390/molecules25061411
PMID:32204541
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7144394/
Abstract

Heterojunction nanofibers of PAN decorated with sulfate doped AgPO nanoparticles (SO-AgPO/PAN electrospun nanofibers) were successfully fabricated by combining simple and versatile electrospinning technique with ion exchange reaction. The novel material possessing good flexibility could exhibit superior antibacterial property over sulfate undoped species (AgPO/PAN electrospun nanofibers). FESEM, XRD, FTIR, XPS and DRS were applied to characterize the morphology, phase structure, bonding configuration, elemental composition, and optical properties of the as fabricated samples. FESEM characterization confirmed the successful incorporation of SO-AgPO nanoparticles on PAN electrospun nanofibers. The doping of SO ions into AgPO crystal lattice by replacing PO ions can provide sufficient electron-hole separation capability to the SO-AgPO/PAN heterojunction to generate reactive oxygen species (ROS) under visible light irradiation and enhances its antibacterial performance. Finally, we hope this work may offer a new paradigm to design and fabricate other types of flexible self-supporting negative-ions-doped heterojunction nanofibers using electrospinning technique for bactericidal applications.

摘要

通过将简单通用的静电纺丝技术与离子交换反应相结合，成功制备了 PAN 修饰的硫酸盐掺杂 AgPO 纳米颗粒（SO-AgPO/PAN 电纺纳米纤维）的异质结纳米纤维。这种具有良好柔韧性的新型材料在抗细菌性能方面优于未掺杂硫酸盐的物质（AgPO/PAN 电纺纳米纤维）。FESEM、XRD、FTIR、XPS 和 DRS 被用于表征所制备样品的形态、相结构、键合构型、元素组成和光学性质。FESEM 表征证实了 SO-AgPO 纳米颗粒成功地结合到 PAN 电纺纳米纤维上。SO 离子通过取代 PO 离子掺入 AgPO 晶格中，可以为 SO-AgPO/PAN 异质结提供足够的电子-空穴分离能力，在可见光照射下产生活性氧物种（ROS），并提高其抗菌性能。最后，我们希望这项工作可以为使用静电纺丝技术设计和制造其他类型的柔性自支撑负离子掺杂异质结纳米纤维提供一个新的范例，以用于杀菌应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/4a29293ecc9c/molecules-25-01411-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/849377a84b10/molecules-25-01411-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/a8331037471b/molecules-25-01411-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/58d736fa53bd/molecules-25-01411-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/1d19d452f16a/molecules-25-01411-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/ac7ee7e195ee/molecules-25-01411-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/cc3133616ef9/molecules-25-01411-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/d67510616276/molecules-25-01411-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/4a29293ecc9c/molecules-25-01411-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/849377a84b10/molecules-25-01411-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/a8331037471b/molecules-25-01411-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/58d736fa53bd/molecules-25-01411-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/1d19d452f16a/molecules-25-01411-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/ac7ee7e195ee/molecules-25-01411-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/cc3133616ef9/molecules-25-01411-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/d67510616276/molecules-25-01411-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6c66/7144394/4a29293ecc9c/molecules-25-01411-g008.jpg

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