Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy

Abstract In this study we aimed to compare the mineralogical, thermal, physicochemical, and biological characteristics of recent organic carbon-rich sediments (‘sapropels’) from three geographically distant Romanian lakes (Tekirghiol and Amara, SE Romania, and Ursu, Central Romania) with distinct hy...

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Autores principales:	Andreea Baricz, Erika A. Levei, Marin Șenilă, Simona Cîntă Pînzaru, Mihaela Aluaş, Adriana Vulpoi, Claudiu Filip, Carmen Tripon, Dorin Dădârlat, Doriana M. Buda, Francisc V. Dulf, Adela Pintea, Adorján Cristea, Vasile Muntean, Zsolt G. Keresztes, Mircea Alexe, Horia Leonard Banciu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9690dacbf4804c228e7ca6d77d9d18ea
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spelling	oai:doaj.org-article:9690dacbf4804c228e7ca6d77d9d18ea2021-12-02T18:48:23ZComprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy10.1038/s41598-021-97904-12045-2322https://doaj.org/article/9690dacbf4804c228e7ca6d77d9d18ea2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97904-1https://doaj.org/toc/2045-2322Abstract In this study we aimed to compare the mineralogical, thermal, physicochemical, and biological characteristics of recent organic carbon-rich sediments (‘sapropels’) from three geographically distant Romanian lakes (Tekirghiol and Amara, SE Romania, and Ursu, Central Romania) with distinct hydrogeochemical origins, presently used for pelotherapy. The investigated lakes were classified as inland brackish Na-Cl-sulfated type (Amara), coastal moderately saline and inland hypersaline Na-Cl types (Tekirghiol and Ursu, respectively). The settled organic matter is largely composed of photosynthetic pigments derived from autochthonous phytoplankton. Kerogen was identified in the sapropel of coastal Tekirghiol Lake suggesting its incipient maturation stage. The mineral composition was fairly similar in all sapropels and mainly consisted of quartz, calcite, and aragonite. Smectite, illite, mixed layer smectite/illite appeared as major clay components. Potentially toxic elements were found in low concentrations. The physical properties (i.e., specific heat, thermal conductivity and retentivity) and cation exchange capacity are comparable to other peloids used for therapy. This study is the first comprehensive multi-approached investigation of the geochemical nature of recent sapropels in Romanian saline lakes and thus contributes to expanding our knowledge on the origin and physicochemical qualities of organic matter-rich peloids with therapeutic uses.Andreea BariczErika A. LeveiMarin ȘenilăSimona Cîntă PînzaruMihaela AluaşAdriana VulpoiClaudiu FilipCarmen TriponDorin DădârlatDoriana M. BudaFrancisc V. DulfAdela PinteaAdorján CristeaVasile MunteanZsolt G. KeresztesMircea AlexeHoria Leonard BanciuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Andreea Baricz Erika A. Levei Marin Șenilă Simona Cîntă Pînzaru Mihaela Aluaş Adriana Vulpoi Claudiu Filip Carmen Tripon Dorin Dădârlat Doriana M. Buda Francisc V. Dulf Adela Pintea Adorján Cristea Vasile Muntean Zsolt G. Keresztes Mircea Alexe Horia Leonard Banciu Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy
description	Abstract In this study we aimed to compare the mineralogical, thermal, physicochemical, and biological characteristics of recent organic carbon-rich sediments (‘sapropels’) from three geographically distant Romanian lakes (Tekirghiol and Amara, SE Romania, and Ursu, Central Romania) with distinct hydrogeochemical origins, presently used for pelotherapy. The investigated lakes were classified as inland brackish Na-Cl-sulfated type (Amara), coastal moderately saline and inland hypersaline Na-Cl types (Tekirghiol and Ursu, respectively). The settled organic matter is largely composed of photosynthetic pigments derived from autochthonous phytoplankton. Kerogen was identified in the sapropel of coastal Tekirghiol Lake suggesting its incipient maturation stage. The mineral composition was fairly similar in all sapropels and mainly consisted of quartz, calcite, and aragonite. Smectite, illite, mixed layer smectite/illite appeared as major clay components. Potentially toxic elements were found in low concentrations. The physical properties (i.e., specific heat, thermal conductivity and retentivity) and cation exchange capacity are comparable to other peloids used for therapy. This study is the first comprehensive multi-approached investigation of the geochemical nature of recent sapropels in Romanian saline lakes and thus contributes to expanding our knowledge on the origin and physicochemical qualities of organic matter-rich peloids with therapeutic uses.
format	article
author	Andreea Baricz Erika A. Levei Marin Șenilă Simona Cîntă Pînzaru Mihaela Aluaş Adriana Vulpoi Claudiu Filip Carmen Tripon Dorin Dădârlat Doriana M. Buda Francisc V. Dulf Adela Pintea Adorján Cristea Vasile Muntean Zsolt G. Keresztes Mircea Alexe Horia Leonard Banciu
author_facet	Andreea Baricz Erika A. Levei Marin Șenilă Simona Cîntă Pînzaru Mihaela Aluaş Adriana Vulpoi Claudiu Filip Carmen Tripon Dorin Dădârlat Doriana M. Buda Francisc V. Dulf Adela Pintea Adorján Cristea Vasile Muntean Zsolt G. Keresztes Mircea Alexe Horia Leonard Banciu
author_sort	Andreea Baricz
title	Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy
title_short	Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy
title_full	Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy
title_fullStr	Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy
title_full_unstemmed	Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy
title_sort	comprehensive mineralogical and physicochemical characterization of recent sapropels from romanian saline lakes for potential use in pelotherapy
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9690dacbf4804c228e7ca6d77d9d18ea
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Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy

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