College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.
College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Faculty of Quality Management and Inspection & Quarantine, Yibin University, Yibin 644000, China.
Food Chem. 2025 Jan 1;462:140947. doi: 10.1016/j.foodchem.2024.140947. Epub 2024 Aug 24.
Excess nitrites are potentially threatening to human health, so it is urgent to develop accurate and sensitive methods. The development of sensors can provide early warning of possible hazards and alert people to protect public health. This work presents an NiS@MoS-composite with excellent electrochemical activity, representing a key finding for highly sensitive NO detection and sensor development. With the assistance of NiS@MoS, this electrochemical sensor has excellent quantitative detection performance. It has a wide detection range (0.0001-0.0020 mg/mL) and a low detection limit (1.863*10 mg/mL) for NO. This electrochemical sensor maintains excellent specificity among numerous interferences, and it completes the accurate detection of different real food samples. Pleasingly, the electrochemical sensor has satisfactory repeatability stability, and potential for practical applications. It would demonstrate tremendous potential in scientific dietary guidance, food safety detection and other fields.
过量的亚硝酸盐对人体健康具有潜在威胁，因此开发准确、灵敏的方法迫在眉睫。传感器的发展可以为可能存在的危险提供早期预警，提醒人们保护公众健康。本工作提出了一种具有优异电化学活性的 NiS@MoS 复合材料，代表了对高灵敏度 NO 检测和传感器开发的重要发现。NiS@MoS 的辅助作用使该电化学传感器具有出色的定量检测性能。它对 NO 具有很宽的检测范围（0.0001-0.0020mg/mL）和较低的检测限（1.863*10mg/mL）。该电化学传感器在众多干扰物质中保持着出色的特异性，能够准确检测不同的实际食品样本。令人欣喜的是，电化学传感器具有令人满意的重复性稳定性和实际应用潜力。它将在科学饮食指导、食品安全检测等领域展现出巨大的潜力。
