SiO2-based molecularly imprinted polymer composites and its application in fluorescence sensor analysis of 3-chloro-1,2-propanediol in paper food contact materials

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2024-12-10 DOI:10.1007/s42114-024-01108-w

Jinwei Zhao, Ting Xu, Baojie Liu, Jiali Pu, Chengrong Qin, Yi Xie, Cheng Xu, Chuanling Si, Chen Liang, Shuangquan Yao

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引用次数: 0

Abstract

Chloropropanols are common contaminants in food. Recently, food safety issues caused by 3-chloro-1,2-propanediol (3-MCPD) in paper food contact materials (FCM) have become the focus. However, existing analytical methods have limitations such as poor specificity, cumbersome operation, and long time consumption. Therefore, in this study, the specificity of molecularly imprinted solid-phase extraction (MISPE) and the rapid response of fluorescence sensors are combined to develop a new analytical method for the determination of 3-MCPD in paper FCM. In this study, a switch-type fluorescent sensor with dansyl chloride as the luminescent group and o-phenylenediamine as the recognition group is developed. Visual analysis of 3-MCPD is achieved, which has good linearity in the range of 10–70 µg/L and a detection limit of 0.038 µg/L. Molecularly imprinted polymers (MIP) with specific recognition of 3-MCPD are prepared as solid-phase extraction column fillers, and their adsorption characteristics and directional extraction capabilities are discussed. It is confirmed that the MISPE synergistic fluorescent sensor analysis method has good recovery (99.16%) and accuracy (98.35%). The luminescence mechanism of the fluorescent sensor and the specific binding mechanism of 3-MCPD and MIP are explained by DFT calculation technology. It provides a novel and powerful platform for simple, rapid, and visual colorimetric analysis of 3-MCPD in paper FCM.

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.