用MXene修改的基于纤维的电子舌头,用于敏感检测牛奶中的抗生素残留物
Murilo H M Facure1,2, Lingyi Bi3, Teng Zhang3
1Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, Sao Carlos, SP 13560-970, Brazil.
ACS omega
|February 9, 2026
概括
新的MXene纤维检测食品中的抗生素残留物. 这种具有成本效益的电子舌头系统可以在低度的牛奶中识别西林,四环素和链杆菌素,确保食品安全.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 食品安全 食品安全
背景情况:
- 食品中的抗生素残留物对人类健康和经济构成重大风险.
- 对抗生素的快速,灵敏和经济有效的检测方法至关重要.
- 现有的方法可能缺乏广泛的食品安全监测的敏感性或实用性.
研究的目的:
- 为阻抗电子舌头开发MXene修改的纤维电极.
- 评估系统检测微量特定抗生素残留物的能力.
- 在真实的食品样本中展示这项技术的实际应用.
主要方法:
- 通过对尼龙进行Ti3C2,Ti3C1.75N0.25和Ti3C1.5N0.5MXenes的涂层来制造MXene纤维.
- 使用这些MXene纤维作为电极在阻抗电子舌头 (e-tongue).
- 使用电阻数据检测和区分西林甲,四环素化物和菌素硫酸盐.
主要成果:
- 基于MXene修改的纤维电子舌头成功检测了微量抗生素残留物.
- 该系统可以区分克洛克萨西林甲,四环素化物和甲 streptomycin.
- 在真实牛奶样本中检测到的抗生素度低至10nM.
结论:
- 低成本的MXene修饰尼龙纤维为电子舌头系统提供了可扩展和实用的电极解决方案.
- 这种方法为检测食品中的各种抗生素残留物提供了一种强大而敏感的方法.
- 开发的e-tongue系统代表了食品安全分析的一个有前途的进步.
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