Fabrication of Anthocyanidin-Encapsulated Polyvinyl Alcohol Nanofibrous Membrane for Smart Packaging.

IF 4.4 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Nanomaterials Pub Date : 2024-10-24 DOI:10.3390/nano14211701

Maryam Aldoghaim, Jabrah Alkorbi, Salhah D Al-Qahtani, Ghadah M Al-Senani

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Abstract

Smart colorimetric packaging has been an important method to protect human health from external hazardous agents. However, the currently available colorimetric detectors use synthetic dye probes, which are costly, toxic, difficult to prepare, and non-biodegradable. Herein, an environmentally friendly cellulose nanocrystal (CNC)-supported polyvinyl alcohol (PVA) nanofibrous membrane was developed for the colorimetric monitoring of food spoilage. Anthocyanidin (ACY) is a naturally occurring spectroscopic probe that was isolated from pomegranate (Punica granatum L.). By encapsulating the anthocyanin probe in electrospun polyvinyl alcohol fibers in the presence of a mordant (M), M/ACY nanoparticles were generated. After exposure to rotten shrimp, an investigation on the colorimetric changes from purple to green for the smart nanofibrous fabric was conducted using the coloration parameters and absorbance spectra. In response to increasing the length of exposure to rotten shrimp, the absorption spectra of the anthocyanin-encapsulated nanofibrous membrane showed a wavelength blueshift from 580 nm to 412 nm. CNC displayed a diameter of 12-17 nm. The nanoparticle diameter of M/ACY was monitored in the range of 8-13 nm, and the nanofiber diameter was shown in the range of 70-135 nm. Slight changes in comfort properties were monitored after encapsulating M/ACY in the nanofibrous fabric.

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用于智能包装的花青素封装聚乙烯醇纳米纤维膜的制备。

智能比色包装一直是保护人类健康免受外部有害物质侵害的重要方法。然而，目前可用的比色探测器使用的是合成染料探针，成本高、毒性大、制备困难且不可生物降解。在此，我们开发了一种环境友好型纤维素纳米晶（CNC）支撑的聚乙烯醇（PVA）纳米纤维膜，用于食品腐败变质的比色监测。花青素（ACY）是从石榴（Punica granatum L.）中分离出来的一种天然光谱探针。在媒染剂（M）存在的情况下，将花青素探针封装在电纺聚乙烯醇纤维中，生成了 M/ACY 纳米粒子。暴露于烂虾后，利用着色参数和吸光度光谱对智能纳米纤维织物从紫色到绿色的色度变化进行了研究。随着暴露于烂虾时间的增加，花青素包裹的纳米纤维膜的吸收光谱显示出波长从 580 纳米到 412 纳米的蓝移。CNC 的直径为 12-17 纳米。监测到 M/ACY 的纳米颗粒直径在 8-13 纳米之间，纳米纤维直径在 70-135 纳米之间。在纳米纤维织物中封装 M/ACY 后，监测到其舒适性发生了轻微变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nanomaterials NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

8.50

自引率

9.40%

发文量

3841

审稿时长

14.22 days

期刊介绍： Nanomaterials (ISSN 2076-4991) is an international and interdisciplinary scholarly open access journal. It publishes reviews, regular research papers, communications, and short notes that are relevant to any field of study that involves nanomaterials, with respect to their science and application. Thus, theoretical and experimental articles will be accepted, along with articles that deal with the synthesis and use of nanomaterials. Articles that synthesize information from multiple fields, and which place discoveries within a broader context, will be preferred. There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental or methodical details, or both, must be provided for research articles. Computed data or files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. Nanomaterials is dedicated to a high scientific standard. All manuscripts undergo a rigorous reviewing process and decisions are based on the recommendations of independent reviewers.