Results 1 to 10 of about 26,681 (248)

Activity of Microbial-Derived Phenolic Acids and Their Conjugates against LPS-Induced Damage in Neuroblastoma Cells and Macrophages

Metabolites, 2023
The aim of this study was to investigate whether microbial-derived phenolic acids, 3,4-dihydroxyphenylacetic (DHPA), protocatechuic acid (PCA), and dihydrocaffeic acid (DHCFA) and their conjugated forms (DHCFA 3-O-sulfate and DHCFA 3-O-β-D-glucuronide ...
Dolores González de Llano, Mikel Roldán, Laura Parro, Begoña Bartolomé, M. Victoria Moreno-Arribas   +4 more
doaj   +1 more source

Bat guano minerals and mineralization processes in Chameau Cave, Eastern Morocco

International Journal of Speleology, 2021
The decay of bat guano deposits in caves produces mineral accumulations, mainly phosphates and secondary sulfates. Chameau Cave, Eastern Morocco, is located in the semi-arid Bni Snassen Mountains.
Philippe Audra, Vasile Heresanu, Lionel Barriquand, Mohamed El Kadiri Boutchich, Stephane Jaillet, Edwige Pons-Branchu, Pavel Bosak, Hai Cheng, R Lawrence Edwards, Michel Renda   +9 more
doaj   +1 more source

Minerals of Fe in the oxidation zone of massive sulfide ore in the South Pechenga structure zone, Kola region: Identification by the Raman spectroscopy [PDF]

Vestnik MGTU, 2017
The paper presents data on the study of iron-bearing minerals formed in the oxidation zone of massive sulfide ores. The minerals are represented by two groups: oxides, i. e. goethite and lepidocrocite, and sulfates, i. e.
Kompanchenko A. A., Voloshin A. V., Sidorov M. Yu   +2 more
doaj   +1 more source

Scaling in a Geothermal Heat Exchanger at Soultz-Sous-Forêts (Upper Rhine Graben, France): A XRD and SEM-EDS Characterization of Sulfide Precipitates

Geosciences, 2021
The Soultz-Sous-Forêts geothermal site (France) operates three deep wells for electricity production. During operation, scales precipitate within the surface installation as (Ba, Sr) sulfate and (Pb, As, Sb) sulfide types.
Béatrice A. Ledésert, Ronan L. Hébert, Justine Mouchot, Clio Bosia, Guillaume Ravier, Olivier Seibel, Éléonore Dalmais, Mariannick Ledésert, Ghislain Trullenque, Xavier Sengelen, Albert Genter   +10 more
doaj   +1 more source

Reduction of sulfate, nitrate and nitrite ions by Desulfovibrio sp. under the influence of ferrum (III) citrate

Біологічні студії, 2020
The influence of ferrum (III) citrate added to the cultivation medium, on the reduction of sulfate, nitrate, and nitrite ions by sulfate-reducing bacteria Desulfovibrio desulfuricans IMV K-6, Desulfovibrio sp. Yav-6, and Desulfovibrio sp.
O. M. Moroz, S. O. Hnatush, G. V. Yavorska   +2 more
doaj   +1 more source

Heparan sulfates and heparan sulfate binding proteins in sepsis

Frontiers in Molecular Biosciences, 2023
Heparan sulfates (HSs) are the main components in the glycocalyx which covers endothelial cells and modulates vascular homeostasis through interactions with multiple Heparan sulfate binding proteins (HSBPs).
Yi-En Liao, Jian Liu, Katelyn Arnold
doaj   +1 more source

Distribution and chemical composition of halotrichite in geothermal fields of Kamchatka

Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2023
Halotrichite has been identified in geothermal fields of the Kambalny-Pauzhetka-Koshelev region, the Bolshoi Semiachik complex, and the Mutnovsky volcano (Kamchatka, Russia).
R.M. Sheveleva, M.A. Nazarova, A.A. Nuzhdaev, P.S. Zhegunov, E.S. Zhitova   +4 more
doaj   +1 more source

Optimizing the Sulfates Content of Cement Using Neural Networks and Uncertainty Analysis

ChemEngineering, 2023
This study aims to approximate the optimum sulfate content of cement, applying maximization of compressive strength as a criterion for cement produced in industrial mills.
Dimitris C. Tsamatsoulis, Christos A. Korologos, Dimitris V. Tsiftsoglou   +2 more
doaj   +1 more source

THE NATURAL AND ANTHROPOGENIC FACTORS’ IMPACT ON WATER QUALITY IN COOLING POOLS (THE LAKE GUSINOYE AS A STUDY CASE)

Водное хозяйство России: проблемы, технологии, управление, 2020
The materials of the expedition of the Faculty of Geography of Moscow State University on Lake Gusinoye in August 2019 made it possible to assess the hydrological structure of the lake, the distribution of the flow of the main tributaries and wastewater ...
Anna N. Lukyanova, Olga N. Lukyanova, Ludmila Y. Yefimova, Vasiliy A. Yefimov   +3 more
doaj   +1 more source

Dose-dependent effect of electron acceptor and donor on dissimilatory sulfate reduction by bacteria Desulfovibrio Piger Vib-7 of human intestine

Біологічні студії, 2014
Growth of Desulfovibrio piger Vib-7 bacteria of human intestine under the influence of the electron acceptor and donor in different concentrations and the parameters of dissimilatory sulfate reduction have been studied.
I. V. Kushkevych
doaj   +1 more source