Results 11 to 20 of about 15,002 (266)

The role of germanium in diseases: exploring its important biological effects

open access: yesJournal of Translational Medicine, 2023
With the development of organic germanium and nanotechnology, germanium serves multiple biological functions, and its potential value in biochemistry and medicine has increasingly captured the attention of researchers.
Xiao Luo   +9 more
doaj   +1 more source

Contents of germanium in coal seams Lviv-Volyn basin and Donbas

open access: yesМінеральні ресурси України, 2019
The main source of germanium sequestration in Ukraine is coal. According to modern requirements, the content of germanium in coal should be more than 10 g/t (air-dry weight), in coking - 3 g/t. Germanium can be obtained from mine water and coal rocks, as
I. V. Vasileva
doaj   +1 more source

Physiological Activity of Trace Element Germanium including Anticancer Properties

open access: yesBiomedicines, 2023
Germanium is an essential microelement, and its deficiency can result in numerous diseases, particularly oncogenic conditions. Consequently, water-soluble germanium compounds, including inorganic and coordination compounds, have attracted significant ...
Leonid G. Menchikov, Anatoliy V. Popov
doaj   +1 more source

Synthesis of Nanoamorphous Germanium and Its Transformation to Nanocrystalline Germanium [PDF]

open access: yesSmall, 2012
AbstractA simple reaction between a mild reducing agent such as a trialkoxysilane and GeIV species such as germanium tetraalkoxides in a room‐temperature water/alcohol solution produces silica‐coated ultrasmall (2–3 nm) amorphous germanium nanoparticles (na‐Ge/SiO2).
Dag O., Henderson, E.J., Ozin G.A.
openaire   +4 more sources

Local environment of germanium atoms in Ge3Sb2Te6, Ge2Sb2Te5, GeSb2Te4 and GeSb4Te7 amorphous and crystalline films

open access: yesPhysics of Complex Systems, 2023
The valence state and local environment of germanium atoms in Ge3Sb2Te6, Ge2Sb2Te5, GeSb2Te4 and GeSb4Te7 amorphous and crystalline films were determined by Mossbauer spectroscopy on the 119Sn isotope. In crystalline films, divalent germanium is located
Юрий Александрович Петрушин
doaj   +1 more source

Potential of germanium-based compounds in coronavirus infection

open access: yesActa Pharmaceutica, 2022
The first germanium compounds which exhibited immunomodulatory and antiviral effects were sesquioxane-type germanates. To date, more than a dozen compounds containing germanium have been synthesized and are being actively studied.
NAROKHA VIOLETTA   +2 more
doaj   +1 more source

Leaching kinetics and mechanisms in efficient chlorination leaching of germanium-rich fume dust [PDF]

open access: yesRSC Advances
Chlorination distillation is a critical step in the efficient purification of germanium, as it directly influences the quality of the product. However, the current chlorination distillation system still suffers from constrained germanium leaching ...
Enle Xu   +4 more
doaj   +1 more source

Implanting Germanium into Graphene [PDF]

open access: yesACS Nano, 2018
20 pages, 5 ...
Mukesh Tripathi   +6 more
openaire   +6 more sources

Organogermanium, Ge-132, promotes the clearance of senescent red blood cells via macrophage-mediated phagocyte activation

open access: yesHeliyon
Red blood cells (RBCs) are renewed in a cyclic manner. Aging RBCs are captured and degraded by phagocytic cells, and heme metabolic pigments are subsequently excreted in feces.
Tomoya Takeda   +6 more
doaj   +1 more source

Leaching behavior of germanium from germanium-rich lignite: A further comprehension of its occurrence state

open access: yesFuel Processing Technology
Germanium, a critical metal used in many strategy fields, is widely acknowledged as organic affinity. Germanium is main occurred in the humus of lignite, but its exact occurrence state remains unclear. In this work, various methods were employed to leach
Zhiyuan Zhang   +7 more
doaj   +1 more source

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