一种多功能泡片用于单泡/衍生/提取:硫胺残留分析的综合策略
Di Chen1, Yixin Ma1, Xirui Pei1
1School of Pharmaceutical Sciences, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Zhengzhou University, Zhengzhou, 450001, China.
Analytica chimica acta
|February 18, 2026
概括
一个新的泡片简化了硫胺残留分析,通过在单个步骤中结合提取和衍生. 这种快速方法增强了对抗微生物残留的食品安全监测.
科学领域:
- 分析化学 分析化学
- 食品科学 食品科学 食品科学
- 环境科学 环境科学
背景情况:
- 食品中的硫胺残留物对健康构成风险,包括过敏和抗菌素耐药性.
- 敏感和高效的监测方法对于执行严格的残留物限值至关重要.
- 传统的硫胺分析方法由于多步提取和衍生而耗时.
研究的目的:
- 为硫胺残留物分析制定一个简化,单步骤的策略.
- 在复杂的食物矩阵中将,衍生和提取整合到一个操作中.
- 为食品安全监督提供一个快速且具有成本效益的替代方案.
主要方法:
- 开发一种多功能泡片,含有泡前体,光胺,Fe3O4纳米粒子和氧化多壁碳纳米管.
- 同时衍生和磁性固体相提取硫胺,由平板电脑产生的二氧化碳泡促进.
- 使用乙进行后续分析的快速脱,通常是LC-FLD.
主要成果:
- 通过片剂介导的手术只需要4分钟的提取时间和0.5分钟的脱落时间.
- 取得了优异的线性 (R2 > 0.998),低检测极限 (0.130-0.285 ng/g) 和高恢复率 (82.6-107.0%) 与低RSD (<10%).
- 在增添蜂蜜样本中证明了准确的量化,相对误差最小,与传统方法相比,但步骤减少和使用溶剂.
结论:
- 综合/衍生/提取策略为硫胺残留分析提供了快速,经济高效和可自动化的工作流.
- 这种基于平板电脑的方法显著减少了样品制备中的手动处理和溶剂消耗.
- 该方法与LC-FLD兼容,为可靠的食品安全监测提供了LC-MS的实际替代方案.
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