Hydrogen peroxide is usually used for cleansing scratches and cuts. However, this is not the only one possible application of this substance in medicine. The vapor of a low-concentrated peroxide solution containing oxygen radicals can be used as an inhalant for an additional treatment of many illnesses. This has been established by the research team headed by V.L. Voeikov, at Biological Faculty of Moscow State University.
It is fashionable now to blame free radicals for all deadly sins, since it has been proved that their formation in the organism is connected with different illnesses and aging. On the one hand, it is true: the radicals act as "terrorists" and can harm a sensitive biochemical system through oxidizing lipids, damaging membranes, and destroying DNA and proteins.
On the other hand, experiments on rats and mice have shown that animals put into the atmosphere containing no superoxide radicals die in one or two weeks. Later it was found that organism not only uses external sources of highly-reactive forms of oxygen, but also produces them with the aid of certain enzymes. Such forms of oxygen have been first found in the cells performing immune functions (neutrophiles and phagocytes).
Nadejda Markina | alphagalileo
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For the first time, an interdisciplinary team from the University of Basel has succeeded in integrating artificial organelles into the cells of live zebrafish embryos. This innovative approach using artificial organelles as cellular implants offers new potential in treating a range of diseases, as the authors report in an article published in Nature Communications.
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At the 2018 ILA Berlin Air Show from April 25–29, the Fraunhofer Institute for Laser Technology ILT is showcasing extreme high-speed Laser Material Deposition (EHLA): A video documents how for metal components that are highly loaded, EHLA has already proved itself as an alternative to hard chrome plating, which is now allowed only under special conditions.
When the EU restricted the use of hexavalent chromium compounds to special applications requiring authorization, the move prompted a rethink in the surface...
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