一个三合一的多功能传感器,用于简洁地检测生物氨基和牛肉新鲜度
Dongjuan Wang1, Xiuqian Ding1, Jinling Xie2
1College of Chemistry and Chemical Engineering, Qingdao University, 266071, China.
Analytica chimica acta
|December 6, 2023
概括
一个新型传感器通过颜色和光检测生物原胺 (BAs),这是食物腐烂的关键指标. 该方法为实时食品安全评估提供了一种简单,敏感和选择性的方法.
科学领域:
- 分析化学 分析化学
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
背景情况:
- 生物氨基 (BA) 是食品腐败的关键指标,并构成食品安全风险.
- 目前的BA检测方法往往缺乏简单性,敏感性或选择性.
- 开发快速可靠的BA检测对于食品安全至关重要.
研究的目的:
- 开发一种新型,高度敏感和选择性的传感器,用于检测生物氨基胺 (BA).
- 通过多式联络响应,方便地实时监测食物腐烂情况.
- 创建一个便携式检测系统,用于现场评估食品的新鲜度.
主要方法:
- 一个三合一的传感器,3,6-bis(dimethylamino) -9-(ethylthio) xanthylium (PSE),是合成的.
- 传感器表现出多式响应:嗅觉,色度和光.
- 装有PSE的纸质试卷被制造用于便携式蒸汽检测.
主要成果:
- 该PSE传感器表现出对BA的高灵敏度和选择性,检测极限低 (0.03μM).
- PSE和BA之间的核友置换反应引发了快速的多重反应.
- 装有PSE的纸条通过RGB色彩分析准确地确定了BA水平.
结论:
- 开发的PSE传感器为实时BA检测提供了一个简单,灵敏和选择性的方法.
- 便携式PSE试验条允许使用智能手机技术进行肉类新鲜度的非破坏性评估.
- 这种方法大大提高了现场食品安全监测.
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