评估 ATP 测试用于配电系统监控:与 HPC 的比较,冷却的影响,以及持有时间依赖性
William S Chen1, Leili Abkar1, Madjid Mohseni2
1Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, Canada.
Journal of biological engineering
|November 5, 2024
概括
腺三酸盐 (ATP) 测试为水中的微生物监测提供了更快,更敏感的替代方案. 这项研究发现,ATP测试即使使用和不同的保留时间也是可靠的,这支持它们与水利设施采样相结合.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 微生物学 微生物学
背景情况:
- 传统的微生物监测方法,如培养,是缓慢和不太敏感的.
- 腺三酸盐 (ATP) 测定为微生物检测提供了一个更快,更敏感的替代方案.
- 需要进一步调查的挑战,如灭和ATP测试的保持时间灵敏度.
研究的目的:
- 评估细胞ATP (cATP) 测试在化水分配系统中的可靠性.
- 评估灭剂和样本保留时间对cATP结果的影响.
- 探索cATP在水质监测中作为异质板数 (HPC) 的替代品的潜力.
主要方法:
- 从加拿大两家公用事业公司 (温哥华地铁和哈利法克斯水) 收集了化水样本.
- 将细胞ATP (cATP) 结果与异质变性板数 (HPC) 进行比较.
- 评估了添加硫酸盐作为灭剂的效果,并分析了在4,6和24小时保持时间的样本.
主要成果:
- 在低活性水中发现HPC和cATP之间没有显著的相关性.
- 尽管相关性很差,但使用既定指南解释HPC和cATP结果,对95%的样本得出了相同的结论.
- 添加灭和变化的保留时间 (4,6,24小时) 并没有显著改变cATP结果.
- 在一个公用事业中,cATP与自由的相关性比HPC更好.
结论:
- ATP测试是一种灵敏,快速和可靠的水监测方法.
- 这项研究支持将ATP测试纳入常规水利设施采样程序.
- ATP的测试证明了抗灭和持久时间变化的稳定性,解决了关键的实施挑战.
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