Results 201 to 210 of about 26,151 (255)
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Carcinogenic Azo-compounds

Nature, 1954
IN 1940, Cook et al. 1 reported that 2 : 2′-azo-naphthalene (I) produces cancers of the liver in mice. The compound was also given to rats by subcutaneous injection, and with the food; but in this species no neoplastic changes were found in the livers. There is a brief note in the 24th Annual Report of the British Empire Cancer Campaign, 1947, p.
G M, BADGER, G E, LEWIS, R T, REID
openaire   +2 more sources

On the Azo/Hydrazo Equilibrium in Sudan I Azo Dye Derivatives

The Journal of Physical Chemistry A, 2013
In this study, Raman, infrared, UV/vis, NMR, and single crystal X-ray diffraction spectroscopies are used to elucidate the tautomeric equilibrium of azo dyes derived from 1-phenyl-azo-2-naphthol (Sudan I). A new crystallographic structure is described for Sudan I, revealing the presence of intramolecular hydrogen bonds and supramolecular interactions ...
Gilson R, Ferreira   +4 more
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Azo cyclization: peptide cyclization via azo bridge formation

The Journal of Peptide Research, 2002
Abstract: A novel method for peptide cyclization in solution: the azo cyclization is presented herein. Ring closure by forming an azo bridge was achieved in situ by connecting the corresponding side chains of para amino phenylalanine (Pap) residues to those of tyrosine or histidine residues present in the corresponding linear precursors.
G, Fridkin, C, Gilon
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The significance of azo-reduction in the mutagenesis and carcinogenesis of azo dyes

Mutation Research/Reviews in Genetic Toxicology, 1983
Azo dyes are widely used in textile, printing, cosmetic, drug and food-processing industries. They are also used extensively in laboratories as either biological stains or pH indicators. The extent of such use is related to the degree of industrialization.
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Effect of Cooperative Hydrogen Bonding in Azo−Hydrazone Tautomerism of Azo Dyes

The Journal of Physical Chemistry A, 2007
Azo-hydrazone tautomerism in azo dyes has been modeled by using density functional theory (DFT) at the B3LYP/6-31+G(d,p) level of theory. The most stable tautomer was determined both for model compounds and for azo dyes Acid Orange 7 and Solvent Yellow 14.
Özen, Alimet Sema   +2 more
openaire   +3 more sources

AZO/Au/AZO multilayer as a transparent conductive electrode

physica status solidi (a), 2012
AbstractA multilayer of Al doped ZnO/gold/Al doped ZnO (AZO/Au/AZO) was deposited by atomic layer deposition (ALD), and its structural, electrical, and optical properties were investigated. The thin Au interlayer was deposited by e‐beam evaporator and showed a series of islands.
Seungjun Lee   +5 more
openaire   +1 more source

Azo or hydrazone structure in azo pigments

NIP & Digital Fabrication Conference, 2010
Yuya Kamei   +2 more
openaire   +1 more source

Azo Cope Rearrangements of Nonstabilized Azo Compounds

Angewandte Chemie International Edition in English, 1987
Karin Beck   +4 more
openaire   +1 more source

Electrochemical oxidation of azo dyes in water: a review

Environmental Chemistry Letters, 2023
A B Isaev   +2 more
exaly  

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