Some Physiological Aspects of Phytoextraction of Heavy Metals

Valiev, R.Sh.; Ol’shanskaya, L. N.

doi:10.6060/tcct.20165901.5293

IVUZKKT

2018

DOI: 10.6060/tcct.20165901.5293

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Some Physiological Aspects of Phytoextraction of Heavy Metals

R.Sh. Valiev¹,

L. N. Ol’shanskaya²

Abstract: Mechanisms of ions intake into cells and carrier proteins of heavy metals are described. Classification of heavy metals on their biological role in the biosphere was carried out. Some information on the features of metals in body cells is given.

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Cited by 2 publications

References 7 publications

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Wastewater Treatment of Iron(III) Ions with Residual Biomass of Microalgae Сhlorella Sorokiniana

et al. 2019

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The sorption properties of the residual biomass of microalgae Chlorella sorokiniana, which is formed after the extraction of lipids, were investigated. Residual biomass is waste and is used for wastewater treatment from iron(III) ions. Microstructural studies of Chlorella sorokiniana microalgae and residual biomass after lipid extraction were carried out. The purification of model wastewater from iron(III) ions under static conditions has been studied, the purification efficiency and adsorption capacity of the residual biomass of Chlorella sorokiniana have been calculated. A model filter was created, where residual biomass of Chlorella sorokiniana was used as a filtering load and sorption processes were studied under dynamic conditions. The efficiency of purification of model wastewater from iron(III) ions has been calculated and a comparative analysis of the effectiveness of purification under static and dynamic conditions has been carried out. A method for the disposal of spent sorbents as an additional fuel is proposed. The specific heat of combustion (q = 20,674 kJ/kg) of the spent sorbents from the residual biomass of microalgae Chlorella sorokiniana, the value of which is not inferior to traditional energy sources, was determined experimentally.

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Wastewater Treatment of Iron(III) Ions with Residual Biomass of Microalgae Сhlorella Sorokiniana

et al. 2019

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Action of Extracts From Artemi̇si̇a L. On the Plasmatic Membrane Under Stress Conditions

Babayeva,

Musayev

2024

Russian Journal of Biological Physics and Chemisrty

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Plant bioactive compounds are supposed to be the modifiers of structural-functional properties of cell plasma membrane under HM contamination. To test a protective effect of extracts from Artemisia L. species, possessing high adaptive potential to different soil contaminations, on electrical properties of algae cells under HM treatments was the aim of the present work. Extracts from Artemisia plants were isolated from above-ground parts of A.scoparia and A.szovitsiana by acetone hydrolyzation. Microelectrode techniques were used to study the regularities of change of membrane potential and membrane resistance of Chara gymnophylla and Nitella flexilis plasmalemma under influence of Cd, Cu, Zn, Pb and the extracts from Artemisia species. Statistically reliable hyperpolarizing effect of A.szovitsiana and A.scoparia extracts in relation to Zn and Pb was revealed, respectively. Elimination by extracts a decrease of membrane conductivity caused by Cd and Zn and also an increase of conductivity by Cu was determined. Though a high HM accumulation capacity of Artemisia L. species is noticed to not connect with protective effect of their extracts on membrane conductivity, they can be a potential source for the searching new chemical compounds which are capable to induce the plant tolerance to stress impacts.

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Some Physiological Aspects of Phytoextraction of Heavy Metals

Abstract: Mechanisms of ions intake into cells and carrier proteins of heavy metals are described. Classification of heavy metals on their biological role in the biosphere was carried out. Some information on the features of metals in body cells is given.

Cited by 2 publications

References 7 publications

Wastewater Treatment of Iron(III) Ions with Residual Biomass of Microalgae Сhlorella Sorokiniana

Wastewater Treatment of Iron(III) Ions with Residual Biomass of Microalgae Сhlorella Sorokiniana

Action of Extracts From Artemi̇si̇a L. On the Plasmatic Membrane Under Stress Conditions

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