聚己内酯
纳米纤维
结晶度
材料科学
环糊精
柠檬烯
化学工程
热稳定性
纳米技术
有机化学
复合材料
化学
聚合物
精油
色谱法
工程类
作者
Zeyu Qin,Qinbo Jiang,Yucheng Zou,Meiyu Chen,Jiawen Li,Jing Wang,Hui Zhang
出处
期刊:Small
[Wiley]
日期:2024-04-12
标识
DOI:10.1002/smll.202400399
摘要
Abstract To address the issue of bacterial growth on fresh‐cut fruits, this paper reports the synthesis of nanosized γ‐cyclodextrin metal‐organic frameworks (CD‐MOFs) using an ultrasound‐assisted method and their application as carriers of limonene for antibacterial active packaging. The effects of the processing parameters on the morphology and crystallinity of the CD‐MOFs are investigated, and the results prove that the addition of methanol is the key to producing nanosized CD‐MOFs. The limonene loading content of the nanosized CD‐MOFs can reach approximately 170 mg g −1 . The sustained‐release behaviors of limonene in the CD‐MOFs are evaluated. Molecular docking simulations reveal the distribution and binding sites of limonene in the CD‐MOFs. CD‐MOFs are deposited on the surfaces of polycaprolactone (PCL) nanofibers via an immersion method, and limonene‐loaded CD‐MOF@PCL nanofibers are prepared. The morphology, crystallinity, thermal stability, mechanical properties, and antibacterial activity of the nanofibers are also studied. The nanofiber film effectively inhibits bacterial growth and prolongs the shelf life of fresh‐cut apples. This study provides a novel strategy for developing antibacterial active packaging materials based on CD‐MOFs and PCL nanofibers.
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