Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State

Gheorghe Duca; Vladislav Blonschi; Viorica Gladchi; Sergey Travin

doi:doi:10.11648/j.ajpc.20200903.12

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Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State

Gheorghe Duca, Vladislav Blonschi, Viorica Gladchi, Sergey Travin

Published in American Journal of Physical Chemistry (Volume 9, Issue 3)

Received: 16 July 2020 Accepted: 31 July 2020 Published: 19 August 2020

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Abstract

Sulfur-containing substances with reducing properties in natural water bodies are partners in the reactions with active oxygen forms (ROS) and so are their specific antipodes. The ratio of counterflows of an oxidizer and a reducing agent sets the redox potential of the aquatic environment, is responsible for its self-purification and ultimately forms the quality of water as a habitat. At the same time, data on the formation and destruction channels of substances with the reduced sulfhydryl groups and correlation dependences of their quantity with regard to the other components’ concentrations in natural aquatic environment are fragmentary and insufficient. During the years 2015-2019, four water bodies, two lotic systems and two lentic ones were monitored. Thiols and sulfates were monitored, and it was found that in all the monitored aquatic systems the thiols content is subject to seasonal variation; therefore, its provenance is predominantly natural. To elucidate the seasonal dynamics of different sulfur forms in natural waters, the Pearson linear correlation coefficient was calculated and a positive summer correlation was attested related to the maximal biological activity. This proves that sulfate ions are used by hydrobionts as a source of sulfur for the synthesis of organic compounds, including thiols. In spring and autumn, the calculated coefficients have negative values, which denotes the dominance of chemical oxidation of the organic compounds with sulfur. These are periods with minimal biological activity. It was shown that out of two studied thiols, cysteine and glutathione, only the first one has shown the toxicity with regard to cyanobacteria.

Published in	American Journal of Physical Chemistry (Volume 9, Issue 3)
DOI	10.11648/j.ajpc.20200903.12
Page(s)	52-61
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Monitoring, Redox Processes, Thiols, Sulfates, Cyanobacteria

References

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APA Style

Gheorghe Duca, Vladislav Blonschi, Viorica Gladchi, Sergey Travin. (2020). Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State. American Journal of Physical Chemistry, 9(3), 52-61. https://doi.org/10.11648/j.ajpc.20200903.12

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ACS Style

Gheorghe Duca; Vladislav Blonschi; Viorica Gladchi; Sergey Travin. Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State. Am. J. Phys. Chem. 2020, 9(3), 52-61. doi: 10.11648/j.ajpc.20200903.12

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AMA Style

Gheorghe Duca, Vladislav Blonschi, Viorica Gladchi, Sergey Travin. Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State. Am J Phys Chem. 2020;9(3):52-61. doi: 10.11648/j.ajpc.20200903.12

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@article{10.11648/j.ajpc.20200903.12,
  author = {Gheorghe Duca and Vladislav Blonschi and Viorica Gladchi and Sergey Travin},
  title = {Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State},
  journal = {American Journal of Physical Chemistry},
  volume = {9},
  number = {3},
  pages = {52-61},
  doi = {10.11648/j.ajpc.20200903.12},
  url = {https://doi.org/10.11648/j.ajpc.20200903.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20200903.12},
  abstract = {Sulfur-containing substances with reducing properties in natural water bodies are partners in the reactions with active oxygen forms (ROS) and so are their specific antipodes. The ratio of counterflows of an oxidizer and a reducing agent sets the redox potential of the aquatic environment, is responsible for its self-purification and ultimately forms the quality of water as a habitat. At the same time, data on the formation and destruction channels of substances with the reduced sulfhydryl groups and correlation dependences of their quantity with regard to the other components’ concentrations in natural aquatic environment are fragmentary and insufficient. During the years 2015-2019, four water bodies, two lotic systems and two lentic ones were monitored. Thiols and sulfates were monitored, and it was found that in all the monitored aquatic systems the thiols content is subject to seasonal variation; therefore, its provenance is predominantly natural. To elucidate the seasonal dynamics of different sulfur forms in natural waters, the Pearson linear correlation coefficient was calculated and a positive summer correlation was attested related to the maximal biological activity. This proves that sulfate ions are used by hydrobionts as a source of sulfur for the synthesis of organic compounds, including thiols. In spring and autumn, the calculated coefficients have negative values, which denotes the dominance of chemical oxidation of the organic compounds with sulfur. These are periods with minimal biological activity. It was shown that out of two studied thiols, cysteine and glutathione, only the first one has shown the toxicity with regard to cyanobacteria.},
 year = {2020}
}

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TY  - JOUR
T1  - Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State
AU  - Gheorghe Duca
AU  - Vladislav Blonschi
AU  - Viorica Gladchi
AU  - Sergey Travin
Y1  - 2020/08/19
PY  - 2020
N1  - https://doi.org/10.11648/j.ajpc.20200903.12
DO  - 10.11648/j.ajpc.20200903.12
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 52
EP  - 61
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20200903.12
AB  - Sulfur-containing substances with reducing properties in natural water bodies are partners in the reactions with active oxygen forms (ROS) and so are their specific antipodes. The ratio of counterflows of an oxidizer and a reducing agent sets the redox potential of the aquatic environment, is responsible for its self-purification and ultimately forms the quality of water as a habitat. At the same time, data on the formation and destruction channels of substances with the reduced sulfhydryl groups and correlation dependences of their quantity with regard to the other components’ concentrations in natural aquatic environment are fragmentary and insufficient. During the years 2015-2019, four water bodies, two lotic systems and two lentic ones were monitored. Thiols and sulfates were monitored, and it was found that in all the monitored aquatic systems the thiols content is subject to seasonal variation; therefore, its provenance is predominantly natural. To elucidate the seasonal dynamics of different sulfur forms in natural waters, the Pearson linear correlation coefficient was calculated and a positive summer correlation was attested related to the maximal biological activity. This proves that sulfate ions are used by hydrobionts as a source of sulfur for the synthesis of organic compounds, including thiols. In spring and autumn, the calculated coefficients have negative values, which denotes the dominance of chemical oxidation of the organic compounds with sulfur. These are periods with minimal biological activity. It was shown that out of two studied thiols, cysteine and glutathione, only the first one has shown the toxicity with regard to cyanobacteria.
VL  - 9
IS  - 3
ER  -

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Author Information

Gheorghe Duca

Research Centre of Physical and Inorganic Chemistry, Institute of Chemistry, Chisinau, Republic of Moldova
Vladislav Blonschi

Department of Industrial and Ecological Chemistry, Moldova State University, Chisinau, Republic of Moldova
Viorica Gladchi

Department of Industrial and Ecological Chemistry, Moldova State University, Chisinau, Republic of Moldova
Sergey Travin

Department of Dynamics of Chemical and Biological Processes, Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Moscow, Russian Federation

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APA Style

Gheorghe Duca, Vladislav Blonschi, Viorica Gladchi, Sergey Travin. (2020). Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State. American Journal of Physical Chemistry, 9(3), 52-61. https://doi.org/10.11648/j.ajpc.20200903.12

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ACS Style

Gheorghe Duca; Vladislav Blonschi; Viorica Gladchi; Sergey Travin. Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State. Am. J. Phys. Chem. 2020, 9(3), 52-61. doi: 10.11648/j.ajpc.20200903.12

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AMA Style

Gheorghe Duca, Vladislav Blonschi, Viorica Gladchi, Sergey Travin. Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State. Am J Phys Chem. 2020;9(3):52-61. doi: 10.11648/j.ajpc.20200903.12

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@article{10.11648/j.ajpc.20200903.12,
  author = {Gheorghe Duca and Vladislav Blonschi and Viorica Gladchi and Sergey Travin},
  title = {Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State},
  journal = {American Journal of Physical Chemistry},
  volume = {9},
  number = {3},
  pages = {52-61},
  doi = {10.11648/j.ajpc.20200903.12},
  url = {https://doi.org/10.11648/j.ajpc.20200903.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20200903.12},
  abstract = {Sulfur-containing substances with reducing properties in natural water bodies are partners in the reactions with active oxygen forms (ROS) and so are their specific antipodes. The ratio of counterflows of an oxidizer and a reducing agent sets the redox potential of the aquatic environment, is responsible for its self-purification and ultimately forms the quality of water as a habitat. At the same time, data on the formation and destruction channels of substances with the reduced sulfhydryl groups and correlation dependences of their quantity with regard to the other components’ concentrations in natural aquatic environment are fragmentary and insufficient. During the years 2015-2019, four water bodies, two lotic systems and two lentic ones were monitored. Thiols and sulfates were monitored, and it was found that in all the monitored aquatic systems the thiols content is subject to seasonal variation; therefore, its provenance is predominantly natural. To elucidate the seasonal dynamics of different sulfur forms in natural waters, the Pearson linear correlation coefficient was calculated and a positive summer correlation was attested related to the maximal biological activity. This proves that sulfate ions are used by hydrobionts as a source of sulfur for the synthesis of organic compounds, including thiols. In spring and autumn, the calculated coefficients have negative values, which denotes the dominance of chemical oxidation of the organic compounds with sulfur. These are periods with minimal biological activity. It was shown that out of two studied thiols, cysteine and glutathione, only the first one has shown the toxicity with regard to cyanobacteria.},
 year = {2020}
}

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TY  - JOUR
T1  - Dynamics of Different Sulfur Forms in Natural Waters and Their Influence on the Redox State
AU  - Gheorghe Duca
AU  - Vladislav Blonschi
AU  - Viorica Gladchi
AU  - Sergey Travin
Y1  - 2020/08/19
PY  - 2020
N1  - https://doi.org/10.11648/j.ajpc.20200903.12
DO  - 10.11648/j.ajpc.20200903.12
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 52
EP  - 61
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20200903.12
AB  - Sulfur-containing substances with reducing properties in natural water bodies are partners in the reactions with active oxygen forms (ROS) and so are their specific antipodes. The ratio of counterflows of an oxidizer and a reducing agent sets the redox potential of the aquatic environment, is responsible for its self-purification and ultimately forms the quality of water as a habitat. At the same time, data on the formation and destruction channels of substances with the reduced sulfhydryl groups and correlation dependences of their quantity with regard to the other components’ concentrations in natural aquatic environment are fragmentary and insufficient. During the years 2015-2019, four water bodies, two lotic systems and two lentic ones were monitored. Thiols and sulfates were monitored, and it was found that in all the monitored aquatic systems the thiols content is subject to seasonal variation; therefore, its provenance is predominantly natural. To elucidate the seasonal dynamics of different sulfur forms in natural waters, the Pearson linear correlation coefficient was calculated and a positive summer correlation was attested related to the maximal biological activity. This proves that sulfate ions are used by hydrobionts as a source of sulfur for the synthesis of organic compounds, including thiols. In spring and autumn, the calculated coefficients have negative values, which denotes the dominance of chemical oxidation of the organic compounds with sulfur. These are periods with minimal biological activity. It was shown that out of two studied thiols, cysteine and glutathione, only the first one has shown the toxicity with regard to cyanobacteria.
VL  - 9
IS  - 3
ER  -

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