基于光的多重免疫染色学试验带,用于在蔬菜中同时检测农药
Zhengtao Li1, Haowei Dong1, Haifang Wang2
1School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, Shandong 255049, China.
Food chemistry
|November 10, 2024
概括
一个新的双通道测试带可以同时检测蔬菜中的两种农药残留物,即imidacloprid和tolfenpyrad. 这种方法为快速现场查提供了更好的灵敏度和成本效益.
科学领域:
- 分析化学 分析化学
- 食品安全科学 食品安全科学
背景情况:
- 蔬菜中的农药残留物构成了严重的食品安全问题.
- 传统的免疫染色学仅限于单个目标检测,影响大规模查的效率和成本.
研究的目的:
- 开发一种双通道时间分辨率光免疫染色学试验条 (TRFITS) 用于同时检测伊米达克洛普里德 (IMI) 和托尔芬皮拉德 (TOL).
- 提高现场农药残留分析的敏感性和降低成本.
主要方法:
- 开发使用时间分辨率光微球的双通道TRFITS.
- 优化伊米达克洛普里德和托尔芬皮拉德的检测条件.
- 使用蔬菜样本验证TRFITS的有效性.
主要成果:
- 在15分钟内,TRFITS实现了IMI和TOL的同时检测.
- 观察到增强的灵敏度:IMI的0.22 ng/mL和TOL的11.85 ng/mL,大约是传统方法的20倍.
- 在蔬菜样本中确切检测IMI和TOL.
结论:
- 开发的TRFITS提供了一种实用和高效的解决方案,用于同时,快速和敏感地对多种农药残留物进行现场查.
- 与传统方法相比,这种方法可以降低材料消耗和运营成本.
更多相关视频
09:10Combination of Adhesive-tape-based Sampling and Fluorescence in situ Hybridization for Rapid Detection of Salmonella on Fresh Produce
Published on: October 18, 2010
12.9K
06:18Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
Published on: March 13, 2018
14.2K
相关概念视频
01:25Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
01:24Automated Microbial Diagnostics
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...