Copper oxalate formation by lichens and fungi
The present work focuses on the revealing the patterns of copper oxalates formation under the influence of lichens and fungi by combination of the results of field studies and model experiments. These findings create the scientific basis for the potential microbial technology applications (ore enric...
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ftstpetersburgun:oai:dspace.spbu.ru:11701/38652 2023-05-15T17:01:09+02:00 Copper oxalate formation by lichens and fungi Frank‑Kamenetskaya, Olga V. Zelenskaya, Marina S. Izatulina, Alina R. Vereshchagin, Oleg S. Vlasov, Dmitry Yu. Himelbrant, Dmitry E. Pankin, Dmitrii V. 2021-12-20 http://hdl.handle.net/11701/38652 en eng http://hdl.handle.net/11701/38652 Article 2021 ftstpetersburgun 2022-12-06T01:08:56Z The present work focuses on the revealing the patterns of copper oxalates formation under the influence of lichens and fungi by combination of the results of field studies and model experiments. These findings create the scientific basis for the potential microbial technology applications (ore enrichment, monuments conservation, environment bioremediation, etc.). Copper oxalate moolooite Cu(C2O4)·H2O was discovered in saxicolous lichen Lecidea inops on the weathered chalcopyrite ore of Voronov Bor deposit (Central Karelia, Russia). Bioinspired syntheses of moolooite and wheatleyite Na2Cu( C2O4)2 2H2O with the participation of the microscopic fungi Aspergillus niger (active producer of oxalic acid) were carried out on weathered Cu-ore from the Voronov Bor deposit. It was shown that morphology of moolooite crystals is controlled both by the underlying rock and by the species composition of microorganisms. Iron ions (sourced from the underlying rock) in the crystallization medium inhibits the moolooite formation. The observed intensive dissolution of moolooite crystals are well explained by washing effect of the intratalline solutions which depends on repeatedly dehydration / rehydration cycles in the lichens. Joint interpretation of original and published data shows that moolooite along with other cooper oxalates are biominerals. Article in Journal/Newspaper karelia* Saint Petersburg State University: Research Repository (DSpace SPbU) Bor ENVELOPE(126.850,126.850,61.750,61.750) |
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Open Polar |
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Saint Petersburg State University: Research Repository (DSpace SPbU) |
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ftstpetersburgun |
language |
English |
description |
The present work focuses on the revealing the patterns of copper oxalates formation under the influence of lichens and fungi by combination of the results of field studies and model experiments. These findings create the scientific basis for the potential microbial technology applications (ore enrichment, monuments conservation, environment bioremediation, etc.). Copper oxalate moolooite Cu(C2O4)·H2O was discovered in saxicolous lichen Lecidea inops on the weathered chalcopyrite ore of Voronov Bor deposit (Central Karelia, Russia). Bioinspired syntheses of moolooite and wheatleyite Na2Cu( C2O4)2 2H2O with the participation of the microscopic fungi Aspergillus niger (active producer of oxalic acid) were carried out on weathered Cu-ore from the Voronov Bor deposit. It was shown that morphology of moolooite crystals is controlled both by the underlying rock and by the species composition of microorganisms. Iron ions (sourced from the underlying rock) in the crystallization medium inhibits the moolooite formation. The observed intensive dissolution of moolooite crystals are well explained by washing effect of the intratalline solutions which depends on repeatedly dehydration / rehydration cycles in the lichens. Joint interpretation of original and published data shows that moolooite along with other cooper oxalates are biominerals. |
format |
Article in Journal/Newspaper |
author |
Frank‑Kamenetskaya, Olga V. Zelenskaya, Marina S. Izatulina, Alina R. Vereshchagin, Oleg S. Vlasov, Dmitry Yu. Himelbrant, Dmitry E. Pankin, Dmitrii V. |
spellingShingle |
Frank‑Kamenetskaya, Olga V. Zelenskaya, Marina S. Izatulina, Alina R. Vereshchagin, Oleg S. Vlasov, Dmitry Yu. Himelbrant, Dmitry E. Pankin, Dmitrii V. Copper oxalate formation by lichens and fungi |
author_facet |
Frank‑Kamenetskaya, Olga V. Zelenskaya, Marina S. Izatulina, Alina R. Vereshchagin, Oleg S. Vlasov, Dmitry Yu. Himelbrant, Dmitry E. Pankin, Dmitrii V. |
author_sort |
Frank‑Kamenetskaya, Olga V. |
title |
Copper oxalate formation by lichens and fungi |
title_short |
Copper oxalate formation by lichens and fungi |
title_full |
Copper oxalate formation by lichens and fungi |
title_fullStr |
Copper oxalate formation by lichens and fungi |
title_full_unstemmed |
Copper oxalate formation by lichens and fungi |
title_sort |
copper oxalate formation by lichens and fungi |
publishDate |
2021 |
url |
http://hdl.handle.net/11701/38652 |
long_lat |
ENVELOPE(126.850,126.850,61.750,61.750) |
geographic |
Bor |
geographic_facet |
Bor |
genre |
karelia* |
genre_facet |
karelia* |
op_relation |
http://hdl.handle.net/11701/38652 |
_version_ |
1766054204768518144 |