离子共价有机网络被限制在分子打印的聚合物中,用于鱼类产品中海斯胺的光感应
Dianwei Zhang1, Yuanchen Ma1, Shengnan Wang1
1Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 11 Fucheng Road, Beijing, 100048, China.
Journal of fluorescence
|February 24, 2025
概括
一个新的光探针可以准确地检测水产产品中的肉类腐烂指标 - - 组织胺. 这种快速方法提高了食品安全和质量评估.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
背景情况:
- 组胺是肉类腐烂的关键指标,也是潜在的食品安全危害.
- 准确和快速检测组胺是确保食品质量和预防不良健康影响的关键.
- 现有的检测方法可能缺乏实时质量控制所需的灵敏度,选择性或现场适用性.
研究的目的:
- 开发一种新的光探针,用于在水产品中敏感和选择性检测组胺.
- 为了增强探测器的抗干扰能力,以便在复杂矩阵中进行可靠的测量.
- 为食品安全应用提供一个在现场快速评估组胺水平的工具.
主要方法:
- 开发一种局限于分子印记聚合物 (iCON@MIPs) 光探针的离子共价有机网络.
- 使用iCOFs作为发光元件,通过离子吸引提高选择性.
- 采用分子印记技术来提高抗干扰性能.
- 探测器在570nm的光辐射的表征.
主要成果:
- iCON@MIPs探测器在570nm处呈现出明亮黄色的辐射,适合在现场检测.
- 达到了低检测极限为0.516微克L-1的组胺.
- 在鱼样中表现出良好的恢复率 (87.29-102.26%),表明可靠的性能.
- 探测器显示提高了胺检测的选择性和抗干扰能力.
结论:
- 开发的iCON@MIPs光探针提供了一种有效和快速的基因组胺检测方法.
- 这项技术在监测食品,农业和环境样本中的有害物质方面具有重大潜力.
- 探头有助于现场检测,提高质量和安全评估的效率.
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