Results 241 to 250 of about 418,530 (303)

An Exploratory Experimental Analysis Backed by Quantum Mechanical Modeling, Spectroscopic, and Surface Study for C-Steel Surface in the Presence of Hydrazone-Based Schiff Bases to Fix Corrosion Defects in Acidic Media. [PDF]

ACS Omega
Moustafa AHE, Abdel-Rahman HH, Barakat A, Mohamed HA, El-Kholany AS.   +4 more
europepmc   +1 more source

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

Advanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio, B. Spedicato, G. Corallo, A. Inguscio, M. Greco, D. Musarò, D. Vergara, A. F. Muro, G. De Sabbata, L. R. Soria, N. Brunetti Pierri, M. Maffia   +11 more
wiley   +1 more source

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Acidity level in concentrated mineral acid mixtures. Iso-acidic media

Canadian Journal of Chemistry, 1987
Assuming the relationship between the R0(H) acidity function and the water activity in mineral acid concentrated solutions, iso-acidic solutions are prepared by mixing in all proportion two or three of the acids: H3PO4, HCl, HClO4, H2SO4, H2SiF6. These solutions are characterized by an equal R0(H) acidity level and different redox and complexing ...
C. Louis, A. Bebba, J. Bessiere
openaire   +1 more source

Dissolution of Platinum in Acidic Media

ECS Meeting Abstracts, 2006
Abstract not Available.
Kenichiro Ota, Yuuki Koizumi, Shigenori Mitsushima, Nobuyuki Kamiya   +3 more
openaire   +1 more source

Fluorogermanate(IV) equilibria in acid media

Polyhedron, 1990
Abstract The equilibria between Ge(OH) 4 , HF and H + ions in aqueous solution have been investigated, at 25°C in NaClO 4 as well as in LiClO 4 med The potentiometric data have been explained by the presence of GeF 4 , Ge(OH)F 4 − , GeF 6 2− , HGeF 6 − and a minor complex ...
Liberato Ciavatta, Mauro Iuliano, Raffaella Porto, Ermanno Vasca   +3 more
openaire   +2 more sources

Pyrrhotite dissolution in acidic media

Applied Geochemistry, 2014
Abstract Non-oxidative dissolution rates for hexagonal pyrrhotite (Fe1−xS) were measured for pH values ranging from 0 to 1.3 and temperatures ranging from 25 to 70 °C. These results showed that pyrrhotite dissolution rate increases with decreasing pH or increasing temperature.
Paul Chiriţă, J. Donald Rimstidt
openaire   +1 more source

Pyrite dissolution in acidic media

Geochimica et Cosmochimica Acta, 2004
Oxidation of pyrite in aqueous solutions in contact with air (oxygen 20%) was studied at 25°C using short-term batch experiments. Fe2+ and SO42− were the only dissolved Fe and S species detected in these solutions. After a short period, R = [S]tot/[Fe]tot stabilized from 1.25 at pH = 1.5 to 1.6 at pH = 3. These R values were found to be consistent with
Descostes, M., Vitorge, P., Beaucaire, C.   +2 more
openaire   +1 more source

T. C. in acidic media

Journal of Labelled Compounds, 1970
AbstractTritium labelling of aromatic compounds in a few acidic media and the intramolecular distributions of radioactivities in the tritiated compounds were investigated. Various kinds of aromatic compounds were treated with powerful acid complex, TH2PO4.BF3, or some other tritiated acids at room temperature.
Masayuki Hamada, Reiko Kiritani
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Epimerization of Benzylpenicilloic Acid in Alkaline Media

Journal of Pharmaceutical Sciences, 1984
5R,6R-Benzylpenicilloic acid was found to epimerize slowly in alkaline media to 5S,6R-benzylpenicilloic acid until equilibrium was established. Epimerization proceeded via the imine tautomer of penamaldic acid rather than the enamine form and was found to favor the 5S,6R-epimer at equilibrium.
I, Ghebre-Sellassie, S L, Hem, A M, Knevel   +2 more
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