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评估分析方法,以便在便污染监测和评估方面做出更明智的决策

Yussi M Palacios Delgado¹, Maghfira Saifuddaolah², Rebekah Henry³

¹Department of Civil Engineering, Monash University, Melbourne, Victoria, Australia.

|January 31, 2025

概括

对比IDEXX Colilert和TECTATM用于便指标生物体检测,显示TECTATM在性能合规方面更好,而Colilert在监测方面可能更具成本效益. 这两种方法对于水质监测都是有用的.

科学领域:

环境微生物学环境微生物学
分析水质,分析水质.
公共卫生监督是对公共卫生的监督.

背景情况:

体指标生物 (FIO) 的量化对于公共卫生和水质监测至关重要.
像TECTATM和IDEXX Colilert这样的自动化方法比传统技术更能提高效率.
需要对这些方法进行不同污染水平和实际因素的比较分析.

研究的目的:

为了批判性地比较IDEXX Colilert和TECTATM用于测量指示性污染.
根据非正式解决方案的实际要求和成本因素评估其绩效.
为实验室提供决策分析,以定制方法选择.

主要方法:

使用785个水样 (饮用,井,表面,灰水,湿地) 进行了IDEXX Colilert和TECTATM的比较.
从斐济和印度尼西亚的非正式定居点收集了样本,其便污染水平各不相同.
分析了相关性,检测极限,稀释要求和周转时间.

主要成果:

两种方法对便污染的样品类型进行了类似的排名.
对于低度的大肠杆菌 (大肠杆菌) (<1-10^5 CFU/mL) 观察到高相关性.
在地表水中较高的大肠杆菌水平中存在中等相关性;在灰色水/污水样本中没有相关性. 在TECTATM中,需要稀释的次数较少.

结论:

由于稀释较少,结果更快,TECTATM对于性能合规性和快速的大肠杆菌评估具有优势.
尽管TECTATM的初始成本较高,但IDEXX Colilert对于广泛的监视可能更具成本效益.
可定制的决策分析框架帮助全球实验室选择最适合其需求的最佳方法.

关键词:

美国大肠杆菌 (E. coli).酶基质方法酶基质方法便病原体的病原体微生物危害微生物危害水的质量水的质量

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