In Situ Embedding Hydrogen-Bonded Organic Frameworks Nanocrystals in Electrospinning Nanofibers for Ultrastable Broad-Spectrum Antibacterial Activity

Yao Wang; Ran Cao; Chen WangXiyu SongRuina WangJiacun LiuMengmeng ZhangJunyi HuangTingting YouYihua ZhangDapeng YanWendong HanLan YanJisheng XiaoPeng Li

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In Situ Embedding Hydrogen-Bonded Organic Frameworks Nanocrystals in Electrospinning Nanofibers for Ultrastable Broad-Spectrum Antibacterial Activity

机译：In Situ Embedding Hydrogen-Bonded Organic Frameworks Nanocrystals in Electrospinning Nanofibers for Ultrastable Broad-Spectrum Antibacterial Activity

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In the event of a public health crisis, highly effective and sustainable antimicrobialmaterials and equipment will be urgently needed. Here, the preparationis reported by electrospinning of broad-spectrum antibacterial nanofibersembedded in a photoactive hydrogen-bonded organic framework (HOF)of rod-like nanocrystals ≈60 nm in length. The resulting HOF@PVDF-HFPnanofibers maintain excellent tensile and breathability characteristics whileshielding HOF nanocrystals against acid and alkali corrosion. A series ofnanofibers embedded with different amounts and types of HOF nanocrystalsare prepared to optimize their efficiency of singlet oxygen (~1O_2) generation.The 0.5 wt.% HOF-101-F@PVDF-HFP nanofibers exhibit the most efficient~1O_2 generation that is enhanced by a factor of almost 2 when compared withthe HOF-101-F microcrystalline powder. The HOF@PVDF-HFP nanofibers aredemonstrated to highly effectively kill pathogens, including viruses, bacteria,and fungi in 30 min under ambient light conditions.

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《Advanced functional materials》 |2023年第20期|2214388.1-2214388.8|共8页
作者
Yao Wang; Ran Cao; Chen WangXiyu SongRuina WangJiacun LiuMengmeng ZhangJunyi HuangTingting YouYihua ZhangDapeng YanWendong HanLan YanJisheng XiaoPeng Li;
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Department of Cardiology, Heart Center, Department of Pharmacy,Guangdong Provincial Biomedical Engineering Technology ResearchCenter for Cardiovascular Disease, Translational Medicine Research Center,Zhujiang HospitalSouthern Medical UniversityGuangzhou,;

Department of ImmunologySchool of Basic Medical SciencesShanghai Institute of Infectious Disease and Biosecurity & ShanghaiPublic Health Clinical CenterFudan UniversityShanghai 200032, P. R. China;

Biosafety Level 3 LaboratorySchool of Basic Medical SciencesFudan UniversityShanghai 200032, P. R. ChinaSchool of PharmacyNaval Medical University325 Guohe Road, Shanghai 200433, P. R. ChinaShanghai Key Laboratory of Molecular Catalysis and Innovative MaterialsDepartment of ChemistryFudan University2005 Songhu Road, Shanghai 200438, P. R. ChinaState Key Laboratory for Modification of Chemical Fibers and PolymerMaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai 201620, P. R. China;

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antibacterial nanofibers; electrospinning; hydrogen-bonded organic frameworks; nanocrystals; singlet oxygen generation;

In Situ Embedding Hydrogen-Bonded Organic Frameworks Nanocrystals in Electrospinning Nanofibers for Ultrastable Broad-Spectrum Antibacterial Activity

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