Recently, Prof. Mao Sheng from the School of Environmental Science and Engineering of Peking University and Prof. Zheng Yufeng from the Department of Chemistry of Fudan University collaborated to create a dLABer system using live rat exposed exhaled gas sampling, microfluidic and commercial silicon nanowire biosensors to realize real-time monitoring of living organisms. Exposure of biomarkers to exhaled air pollutants can be directly used for non-invasive online research on the health effects of air pollution.
In order to verify the system, the research team first injected the same amount of atmospheric particulate matter from different sources, and then used the dLABer system to monitor the level of inflammatory factor interleukin-6 (IL-6) in the exhaled breath of rats. The study found that the level of IL-6 produced by exposure to particulate matter from different sources was up to 1000-fold different, which was consistent with the trend of analyzing IL-6 levels in rat blood samples by enzyme-linked immunosorbent assay (ELISA). At the same time, it was also found that the results of PM toxicity obtained by different methods such as dithiothreitol (DTT) were consistent with those obtained by dLABer. The dLABer system developed by the research group has several orders of magnitude higher signal-to-noise ratio than ELISA, and can continuously monitor biomarker levels exhaled in living animals. The real-time monitoring of biomarkers in exhaled breath by dLABer not only helps us to understand the damage of air pollutants to the respiratory system (respiratory tract and lungs), but also provides a powerful basis for understanding the pathophysiological processes related to the respiratory system.
People's Daily (12th edition, July 20th, 2018)
Dynamic disinfection is a process of disinfection and cleaning of air and surfaces in indoor Spaces. A
new method of safe disinfection that does not cause harm or interference to people and the environment on
site.The charged particles and active oxygen components produced by the low-temperature plasma in the
equipment play a major role in the process of killing bacteria and viruses, and have the effect of
broad-spectrum sterilization. It can not only inactivate aerosol plankton in the air and bacteria
and viruses on the surface of object but also effectively decompose formaldehyde and volatile organic
compounds, degrade all kinds of bad smell and purify it Air environment.A small amount of high purity
zone.
Air purifiers, also known as "air cleaners", air purifiers, and purifiers, refer to decoration pollution that can absorb, decompose or convert various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, etc. , bacteria, allergens, etc.), household appliances that effectively improve air cleanliness, are mainly divided into household, commercial, industrial, and building.
There are many different technologies and media in air purifiers that enable it to provide clean and safe air to the user. Commonly used air purification technologies include: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, superstructured photomineralization technology, HEPA high-efficiency filtration technology, electrostatic dust collection technology, etc.; material technologies mainly include: photocatalyst, activated carbon, Carbon core filter technology, synthetic fibers, HEAP high-efficiency materials, negative ion generators, etc. Most of the existing air purifiers are composite types, that is, a variety of purification technologies and material media are used at the same time.
Air Sterilizer,Air Disinfector Purifier,Air Cleaner Machine,Air Disinfectant Spray
Jilin Sinoscience Technology Co. LTD , https://www.jlgkscience.com