建立和应用一种基于AlphaLICA技术在牛奶中检测四环素抗生素的方法
Dian Li1, Yun Chen2, Shangbin Kao1
1College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China. jswxhb@163.com.
Analytical methods : advancing methods and applications
|January 6, 2026
概括
一种新的放大发光近距离同质试验 (AlphaLICA) 能够快速地在现场检测牛奶中的四环素抗生素残留物. 这种无洗方法克服了矩阵干扰,为高效的食品安全监测提供了高灵敏度.
科学领域:
- 分析化学 分析化学
- 食品安全 食品安全
- 生物技术是生物技术.
背景情况:
- 牛奶中的四环素抗生素 (TCA) 残留物给食品安全带来了重大挑战.
- 现有的检测方法受到矩阵干扰,复杂的程序以及缺乏现场快速选能力的困扰.
- 迫切需要有效和敏感的分析技术来检测牛奶中的TCA.
研究的目的:
- 开发一种高效,快速,无洗的选方法来检测牛奶中的四环素 (TC) 和其他TCA残留物.
- 为了克服矩阵干扰 (牛奶脂肪,乳酪蛋白) 和牛奶分析中的繁程序的挑战.
- 为高吞吐量,现场和快速现场监测TCA残留物提供可靠的解决方案.
主要方法:
- 一种放大发光近距离同质检测 (AlphaLICA) 技术的开发.
- 结合TC-BSA复合体到受体微球和山羊抗老鼠IgG抗体到供体微球.
- 均的,不需要洗的检测,可直接分析牛奶样本.
主要成果:
- 高灵敏度通过0.16 ng mL-1的检测极限 (LOD) 和0.83 ng mL-1的量化极限 (LOQ) 来实现.
- 卓越的性能,尖端恢复率为100.95-114.78% (RSD ≤8%) 和低交叉反应率 (CR ≤10.68%).
- 与传统的ELISA (75分钟) 相比,显著减少了测试时间 (10分钟),与参考方法保持高度一致 (r2 = 0.952).
结论:
- 开发的AlphaLICA方法对于检测牛奶中的TCA残留物是高效,快速和敏感的.
- 无洗,均的测定有效地减轻了矩阵干扰,简化了样本分析.
- 这项技术为现场对抗生素残留物的食品安全监测提供了可靠和高通量解决方案.
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