DataVXACS Applied Materials & InterfacesPaper
journal article·2023-07-19

pH-Responsive Polymer Films Based on Click Polymerization for Food Freshness Monitoring: Non-Toxic, Non-Leaking, and Antibacterial

Yukun Wang, Zhiyu Jin, Zijun Zhang, Changkai Zhou, Zhe Sun, Feng Yan

ACS Applied Materials & Interfaces· Volume 15· Issue 28
Publisher page
Source abstract

Abstract

With the requirements for food safety and quality, there has been increasing attention on intelligent food packaging, especially pH-responsive intelligent packaging. However, the toxicity of indicators and the vulnerability of composite films to leakage tend to change the composition of food and endanger human health. In this study, 2-allyoxy-1-hydroxy-anthraquinone (AhAQ), a pH-responsive plant dye that was modified from alizarin (AI), was grafted onto the pH-responsive intelligent film (AhAQF) via click polymerization. The obtained AhAQF film shows color change in response to ammonia vapor and exhibits adequate reversibility after treatment with volatile acetic acid. The obtained AhAQF exhibits zero leakage, owing to the covalent immobilization of AhAQ. Thus, the prepared pH-responsive films are non-toxic and antibacterial and show promising application prospects in visual food intelligent packaging and gas-sensitive labels.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersComposites

OpenAlex topics: Nanocomposite Films for Food Packaging · Conducting polymers and applications · Advanced Chemical Sensor Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China

Funding

Collaborative Innovation Center of Suzhou Nano Science and Technology · National Key Research and Development Program of China · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions · Jiangsu Province · Jiangsu Province Science Foundation for Carbon Emissions Peak and Carbon Neutrality Science and Technology Innovation

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