在表面和水样本上检测生物负担,采用快速,超灵敏和高通量的方式
Md Sadique Hasan1,2, Chad Sundberg1,3, Elias Gilotte1,3
1Center for Advanced Sensor Technology, University of Maryland Baltimore County, Baltimore, Maryland, USA.
Biotechnology progress
|March 18, 2024
概括
本研究介绍了一种基于resazurin的快速测定方法,用于检测表面和水中的微生物生物负担. 经过验证的方法实现了高灵敏度,这对于食品,水和生物制药中的公共卫生应用至关重要.
科学领域:
- 微生物学 微生物学
- 分析化学 分析化学
- 公共卫生 公共卫生
背景情况:
- 生物负担检测对于确保食品,水和生物制药行业的安全至关重要.
- 目前的方法可能缺乏全面污染分析所需的灵敏度,速度或可移植性.
- 评估固体表面和水性环境中的微生物负载直接影响公共卫生结果.
研究的目的:
- 开发和验证用于检测生物负担的快速,灵敏和准确的试验.
- 建立一个分析固体表面和水样中的微生物污染的协议.
- 为了将基于resazurin的测定与便携式多通道度仪相结合,用于现场部署的分析.
主要方法:
- 从实验室的固体表面中分离微生物,使用擦拭技术.
- 收集和分析流水样本以检测微生物污染.
- 优化基于resazurin的测定以提高生物负担检测.
- 将优化的测定与便携式多通道度仪集成在一起.
主要成果:
- 开发的试验和方案在检测生物负担方面表现出高灵敏度.
- 在固体表面上成功检测到微生物负荷低至20 CFU/cm2.
- 在水样中成功检测到微生物负载低至10 CFU/mL.
- 综合系统提供了快速而准确的生物负担量化.
结论:
- 基于resazurin的测定,加上便携式度仪,为快速检测生物负担提供了强大的解决方案.
- 经过验证的协议对表面和水样本分析都有效.
- 这种方法通过快速评估污染,为保护公共卫生做出了重大贡献.
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