Results 171 to 180 of about 645 (224)

Nobiletin Modulates Adipocyte-Derived Exosomal miRNA to Improve Liver Lipid Metabolism in Obese Mice. [PDF]

J Agric Food Chem
Leung SY, Ho NY, Ho CT, Pan MH.
europepmc   +1 more source

Flexible Cotton Fabric-Based Ionizing Radiation Dosimeter for 2D Dose Distribution Measurements over a Wide Dose Range at High Dose Rates. [PDF]

Int J Mol Sci
Kozicki M, Sąsiadek-Andrzejczak E, Wach R, Maras P.   +3 more
europepmc   +1 more source

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New synthesis of 28- and 30- crown-formazans and Bis formazans

Tetrahedron, 1998
Abstract The macrocyclic cyano crown formazans 3a-c and cyano crown formazans with two formazyl moieties 4a-c were prepared by the azo coupling of the appropriate bis diazonium salts 2a-c with cyanoacetic acid in different medium. The Bis macrocyclic crown formazan 9 was prepared by condensation of 1.3-diaminopropane with the 16-oxo crown formazan 8.
Ashraf A Abbas
exaly   +3 more sources

Formazans and their metal complexes

Russian Chemical Reviews, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Sigeikin, G. I., Lipunova, G. N., Pervova, I. G.   +2 more
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Cyclische Formazane

Chemische Berichte, 1955
AbstractEs werden Cycloformazane erstmalig dargestellt. Man kann sie aus Phenylnitroformaldehyd‐[2‐nitro‐diphenylyl‐(2′)‐hydrazonen] über die ihnen entsprechenden Amidrazone durch Oxydation mit Luftsauerstoff synthetisieren. Chemische und physikalische Eigenschaften dieser neuen Verbindungsklasse werden erörtert.
Jerchel, D., Edler, W.
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Tetrazolium Salts and Formazans

Progress in Histochemistry and Cytochemistry, 1976
The history of the tetrazolium salts and formazans goes back 100 years, to when Friese (1875) reacted benzene diazonium nitrate with nitromethane, to produce a cherry-red "Neue Verbindung". This was the first formazan. 19 years later, Von Pechmann and Runge (1894) oxidised a formazan to produce the first tetrazolium salt.
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Formazans of the pyrimidine series

Chemistry of Heterocyclic Compounds, 1975
A series of 1-(2′-pyrimidyl)-3,5-diarylformazans was synthesized. Their structures were studied by means of IR and electronic spectroscopy, and assumptions regarding the most probable tautomeric forms of the investigated compounds were made. The ionization constants of the formazans were measured.
E. S. Karavaeva, N. P. Bednyagina, T. A. Sharkova, I. I. Mudretsova   +3 more
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Synthesis of formazan-3-yltriazolium salts: A new class of formazan and crown-formazan derivatives of expected useful applications

Tetrahedron, 1997
Abstract The 1-aza-2-azoniaallene salts 3 react with 3-cyanoformazans 4–6 to give the corresponding 5-(1,5-diarylformazan-3-yl)triazolium salts 7–9 or the rearrangement derivatives 10–12 or the oxidation products 13–15. Reaction of 3a,d with the crown cyanoformazan 18 gave the corresponding crown-formazanyltriazolium salts 19a,d.
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Prevention of hemoglobin interference on the formazan reaction

Clinica Chimica Acta, 2008
Hb interference induces false test results and thus hinders the establishment of further applications that use the formazan method. We attempted to eliminate hemoglobin (Hb) interference on the formazan reaction.Total serum bile acid (TBA) reagent was constructed to elucidate the mechanism of Hb interference.
Junya, Ono, Hajime, Yoshimura
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Tetrazolium salts and formazans

2020
Tetrazolium salts discussed here are of the 2-H type, and contain one or more five-membered heterocyclic rings, each of which carries a delocalized positive charge. Such a tetrazolium compound may be represented by a pair of Kekule forms. Tetrazolium salts can be reduced to formazans by a variety of mild reductants, including those of enzyme-catalyzed ...
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