Both freshwater and drinking water quality inspection standards have corresponding legal standard values. However, the current standard test procedure requires several days of bacterial culture to obtain the test results.
In order to achieve rapid detection of water quality, better protect public health and avoid economic losses, the German Federal Ministry of Education initiated the implementation of the "clean water and drinking water bacteria monitoring" (SEKT) joint project. Recently, the project research team has developed a new technology for rapid detection of bacteria and microorganisms in water. Using this new technology, it takes less than an hour to detect and determine the content of bacteria and microorganisms in water. In addition, the project has developed compact inspection equipment that can be used directly on site.
The new achievement is based on fluorescent labeling technology, which distinguishes the fluorescent labels attached to bacteria and microorganisms through a microscope. In the detection process, first use a specific fluorescent marker to stain the bacteria and microorganisms in the water body to be detected, and then send the tested sample to an automatic microscope for observation. The project team built a high-power LED light source in the microscope, and the spectrum analysis can determine the level of bacteria and microorganisms in the sample.
This new technology can be widely used in freshwater and drinking water quality testing, beverage, food and pharmaceutical industries. In addition, there are broad prospects for water quality monitoring in public places such as swimming pools, hot springs, restaurants, hotels and so on.
In January 2012, under the framework of the "Optical Technology Initiative in the Field of Life Sciences" of the German Federal Ministry of Education and Research, a joint project "Surveillance of Clean Water and Drinking Water" (SEKT) was implemented. The implementation period of the project is 3 years, with a total funding of 2 million euros.
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