创新的双氧化酶纳米酶传感器阵列用于快速检测动物来源食品中的四环素
Xin Li1, Ling Jiang1, Tanzeel Riaz Ahmad2
1College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637009, China.
Journal of hazardous materials
|January 24, 2026
概括
一个新的纳米酶传感器阵列有效地检测和区分食物中的四环素抗生素 (TCs). 这种高通量方法通过识别有害的TC残留物来提高食品安全,这对公共卫生至关重要.
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:
- 环素抗生素 (TCs) 在动物来源的食品中普遍存在,由于潜在的抗菌素耐药性,过敏反应和毒性,造成了严重的食品安全风险.
- 传统方法在复杂的食物矩阵中难以准确检测TC,这凸显了需要先进的,高通量分析策略的需要.
研究的目的:
- 开发一种新的纳米酶色度传感器阵列,用于敏感分化和检测四种常见的四环素 (四环素,氧四环素,四环素和多环素).
- 解决现有方法在食品样本中分析复杂TC污染物的局限性.
主要方法:
- 通过将MnO2与金属有机框架 (MOF) 衍生物 (ZnNC) 结合,构建一个MnO2/ZnNC纳米酶传感器阵列,表现出双氧化酶活性.
- 利用阵列的氧化酶和乳酶活动来产生独特的化学指纹,通过色度分析来区分和量化TC.
主要成果:
- 传感器阵列成功区分和量化了四环素,其线性范围为1-200μM,四环素的检测极限为0.2242μM.
- 在盲目样本识别和实际食品样本内的差异化中实现了100%的准确性和90.3%-104.5%的恢复率.
- 证明了与氧化环素,甲环素和多环素具有相似的定量能力.
结论:
- 开发的MnO2/ZnNC纳米酶色度传感器阵列为识别复杂食品系统中的四环素残留物提供了强大的高通量策略.
- 这项工作有助于推进基于纳米酶的传感器阵列,以改善食品安全监测和公共卫生保护.
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