Technologies and Engineering
Technologies and Engineering
ISSN 2786-5371 e-ISSN 2786-538X
DOI: 10.30857/2786-5371
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Author

Olga Smirnova

Junior Researcher

L.M. Litvinenko Institute of Physical-Organic and Coal Chemistry of the National Academy of Sciences of Ukraine

02155, 50 Kharkivsʹke shose Str., Kyiv, Ukraine 

https://orcid.org/0000-0003-4143-7535

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Keywords: humic acids; hematomelanic acids; radical chain oxidation; antioxidants; prooxidants active pharmaceutical ingredients

Oxidation of organic substrates of different natures in the presence of humic and hematomelanic acids

Iryna Efimova, Olga Smirnova, Volodymyr Bessarabov

https://doi.org/10.30857/2786-5371.2022.6.8

Suggested citation

Efimova, I., Smirnova, O., & Bessarabov, V. (2022). Oxidation of organic substrates of different natures in the presence of humic and hematomelanic acids. Technologies and Engineering, 23(6), 82-88. https://doi.org/10.30857/2786-5371.2022.6.8
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  • 30.11.2022
  • 590 Views
  • Technologies and Engineering - Vol. 23, No. 6, 2022
open access

Keywords: supramolecular system, oxygen anion radical, 18-crown-6, complex formation, electrochemical oxygen ratio, spectrophotometry, potentiometry

Technologies of complex formation in the system of crown ether – KO2 – solvent, as one of the methods of obtaining a stable anion-radical oxygen form

Iryna Efimova, Olga Smirnova, Volodymyr Bessarabov

https://doi.org/DOI:10.30857/1813-6796.2019.6.13

Suggested citation

Efimova, I., Smirnova, O., & Bessarabov, V. (2019). Technologies of complex formation in the system of crown ether – KO2 – solvent, as one of the methods of obtaining a stable anion-radical oxygen form. Technologies and Engineering, 20(6), 134-140. https://doi.org/DOI:10.30857/1813-6796.2019.6.13
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  • 19.12.2019
  • 464 Views
  • Technologies and Engineering - Vol. 20, No. 6, 2019
open access

Keywords: ascorbic acid; antioxidants; inhibition; synergism; additivity

Study of the action of binary antioxidant compositions with ascorbic acid on model systems

Iryna Efimova, Olga Smirnova, Volodymyr Bessarabov

https://doi.org/10.30857/2786-5371.2024.5.9

Suggested citation

Efimova, I., Smirnova, O., & Bessarabov, V. (2024). Study of the action of binary antioxidant compositions with ascorbic acid on model systems. Technologies and Engineering, 25(5), 90-100. https://doi.org/10.30857/2786-5371.2024.5.9
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  • 09.10.2024
  • 398 Views
  • Technologies and Engineering - Vol. 25, No. 5, 2024