A student of school No. 2065 figured out how to clean wastewater from antibiotics
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A student of the eleventh medical class of school No. 2065, Grigory Zharkov, became the winner of the Big Challenges project competition. This award was given to schoolchildren for a study on the treatment of wastewater from antibiotics.
According to the scientific supervisor of the project, Candidate of Biological Sciences of the Institute of Fundamental Problems of Biology of the Russian Academy of Sciences Azat Abdullatypov, the work of Grigory Zharkov was called “Development of a renewable catalyst for wastewater treatment from antibiotics.”
“Together with Grigory, we have been working on the project for the second year,” Azat Abdullatypov specified. – We studied the enzyme laccase and its ability to quickly oxidize the antibiotic tetracycline, as well as furatsilin and furazolidol.
The results of the study can be used in different areas of agriculture. In particular, in such an industry as poultry farming, since the high density of keeping birds on farms contributes to the rapid spread of infection.
The bird receives antibiotics with food, then they are excreted along with the waste products and enter the wastewater. Bacteria living in them can become resistant to drugs. This is fraught with the fact that antibiotics simply cease to suppress bacteria.
As part of the study, the student tried to measure the rate of oxidation of antibiotics in test samples and proved that the laccase enzyme from Streptomyces carpinensis is able to oxidize antibiotics. Using computer simulations, the author of the scientific work proved that the reaction can be accelerated by replacing two amino acid residues of phenylalanine with either lysine residues or glutamate residues.
It is assumed that Grigory Zharkov’s research will be actively used in agriculture, and an excellent presentation of the project at the All-Russian stage of the Great Challenges intellectual competition will bring additional points to the USE for the eleventh grader.
Mona Platonov.
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