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相关概念视频

Sampling Methods: Sample Types01:18

Sampling Methods: Sample Types

173
Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
173

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相关实验视频

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Sampling and Analysis of Animal Scent Signals
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低成本的复合自动采样器用于废水采样.

Hadi A Al-Agele1,2,3, Bao D Nguyen1, Liam P Zimmermann1

  • 1OPEnS Lab, Oregon State University, Corvallis, OR, United States.

HardwareX
|March 21, 2025
PubMed
概括

一个新的,低成本的自动取水器,可以灵活地监测废水,检测像SARS-CoV-2这样的病原体. 这种可定制的开源设备有助于通过污水分析早期检测公共卫生威胁.

关键词:
自动采样器自动采样器复合材料采样仪 复合材料采样仪流行病学 流行病学低成本的设计设计.废水是废水,废水就是废水.

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A Simple Method for Automated Solid Phase Extraction of Water Samples for Immunological Analysis of Small Pollutants
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Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
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Last Updated: May 21, 2025

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科学领域:

  • 环境科学 环境科学
  • 公共卫生 公共卫生
  • 工程 工程师 工程师 工程师

背景情况:

  • 污水监测对于检测病原体 (例如,SARS-CoV-2),药物使用和抗菌素耐药性至关重要.
  • 在社区中早期发现病毒爆发和病毒变异对于公共卫生响应至关重要.

研究的目的:

  • 开发一种低成本,灵活,开源的自动取水器,用于废水分析.
  • 创建一个可定制的设备,适应各种环境监测应用.

主要方法:

  • 设计了一台复合式自动取水仪,成本约为1000美元.
  • 实施了连续称重系统,以准确测量样品数量和切断.
  • 开发了可定制的硬件和固件,用于灵活的采样参数 (例如,样本大小,延迟时间).
  • 测试了采样器的性能,采用10g和100g的样本大小,在不同的吸水高度 (0.654.75m) 进行测试.

主要成果:

  • 开发的水采样器成本低 (<1000美元) 和开源.
  • 该系统提供了高度的操作灵活性,允许用户定义采样量和延迟.
  • 采样器的紧型设计 (直径和高度<0.5m) 便于在人类进入的开口中部署.
  • 实验数据验证了不同样本大小和吸水高度的系统功能.

结论:

  • 开发的自动水样取样器为基于废水的流行病学提供了具有成本效益和适应性的解决方案.
  • 这项技术可以提高对公共卫生威胁的早期检测,包括病毒病原体和抗菌素耐药性.
  • 开源性质促进了对各种环境监测需求的可访问性和定制性.