Biotechnologists from the Perm national research Polytechnic University (PNRPU) has developed a cost effective method of cleaning soil from lead and mercury. It is reported portal Naked Science with reference to the press service of the institution.
It is noted that the scientists used the method of phytoextraction — planting in the contaminated soil of plants with bacteria, which help to cleanse it from heavy toxic metals. In 20 samples of contaminated soil were placed in 25 seed oats. Due to the toxic effects of germination of cereals has decreased to 70 percent, and biomass plants, 69.8, compared with the original soil. Lead accumulated in the shoots and roots, and the mercury was at the top of the plants. In the samples also placed two unified culture chochoveni bacteria. The decrease of lead in the samples reached 9.5 per cent mercury and 40 per cent, additional to what is “rendered” oats.
“Lead occupies the first place among the causes of industrial poisoning. When it gets into the soil, it is included in the cycle of physical and chemical changes and easily gets into the groundwater,” explained Olga Bakhirev, PhD, associate Professor of the Department of chemistry and biotechnology PNRPU.
The increase in the number of domestic developments and patents for inventions is provided by the national project “Science”, which should be implemented in Russia to 2024. Only its implementation is planned to more than 625 billion rubles. He also suggests the creation of 15 scientific and educational centers of the world level, commissioning research facilities class “magicians” and the formation of an integrated system of training scientific and scientific-pedagogical personnel.
Video, photo All from Russia.