The process of assessment of the toxicity of nanoparticles of the oxides of metals with the use of the yeast rhodosporidium toruloides
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2020-11-06 18:18
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USATYI, Agafia; BESHLIU, Alina; EFREMOVA, Nadejda; CHISELITSA, Natalia. The process of assessment of the toxicity of nanoparticles of the oxides of metals with the use of the yeast rhodosporidium toruloides. In: Scientific Study and Research: Chemistry and Chemical Engineering, Biotechnology, Food Industry. 2020, nr. 1(21), pp. 17-26. ISSN 1582-540X.
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Scientific Study and Research: Chemistry and Chemical Engineering, Biotechnology, Food Industry
Numărul 1(21) / 2020 / ISSN 1582-540X

The process of assessment of the toxicity of nanoparticles of the oxides of metals with the use of the yeast rhodosporidium toruloides


Pag. 17-26

Usatyi Agafia, Beshliu Alina, Efremova Nadejda, Chiselitsa Natalia
 
Institute of Microbiology and Biotechnology
 
Disponibil în IBN: 8 iulie 2020


Rezumat

This study provides new information directed to solving the objective of highlighting and assessing the degree of hazard of nanoparticles to the environment. The proposed procedure is to apply as a model in the practice of monitoring the toxicity of metal oxide nanoparticles of pigmented yeasts. The proposed procedure is to apply, as a model, the nanoparticles of pigmented yeast Rhodosporidium toruloides (synonymous Rhodotorula gracilis) CNMN-Y-30 in the practice of monitoring the toxicity of metal oxide. Based on the response of the yeast, the level of toxicity of nanoparticles is determined based on the concentrations decrease by 50 % of the content of β-carotene in the biomass of yeasts and catalase antioxidant enzyme activity. This information can be used by professionals in the food industry, microbiology, medicine, cosmetology, textiles, etc., where those nanomaterials have applications.

Cuvinte-cheie
catalase, Fe3O4 nanoparticles, Rhodosporidium toruloides, TiO2 nanoparticles, β-carotene