Results 211 to 220 of about 83,452 (253)

Comparative Cytocompatibility and Oxidative Stress Analysis of Green-Synthesized Nano-Silver Fluoride and Silver Diamine Fluoride in Human Gingival Fibroblasts. [PDF]

J Funct Biomater
Palankalieva AP, Stoykova ID, Georgiev MI, Belcheva AB.   +3 more
europepmc   +1 more source

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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
exaly   +3 more sources

MTT assay for cell viability: Intracellular localization of the formazan product is in lipid droplets [PDF]

Acta Histochemica, 2012
Although MTT is widely used to assess cytotoxicity and cell viability, the precise localization of its reduced formazan product is still unclear. In the present study the localization of MTT formazan was studied by direct microscopic observation of ...
Alfonso Blázquez-Castro, Richard Horobin, Juan CARLOS Stockert   +2 more
exaly   +2 more sources

Tetrazolium salts and formazan products in Cell Biology: Viability assessment, fluorescence imaging, and labeling perspectives [PDF]

Acta Histochemica, 2018
For many years various tetrazolium salts and their formazan products have been employed in histochemistry and for assessing cell viability. For the latter application, the most widely used are 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium ...
Alfonso Blázquez-Castro, Richard Horobin, Juan CARLOS Stockert   +2 more
exaly   +3 more sources

Arylations mediated by lead(IV) in the presence of formazan and imine ligands [PDF]

Tetrahedron Letters, 2009
The use of formazan and imine ligands in arylations of β-dicarbonyl systems by phenyl boronic acid/lead(IV) carboxylates is examined. © 2009 Elsevier Ltd.
Amber L Thompson, Mark Moloney, Hamid Latif Siddiqui   +2 more
exaly   +2 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
openaire   +2 more sources

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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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.
openaire   +2 more sources

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
openaire   +1 more source