Showing 1-30 of 31 results for "379387"
Ayşen Demir Mülazımoğlu et al.
Sensors (Basel, Switzerland), 12(4), 3916-3928 (2012-06-06)
Electrochemical oxidation of quercetin, as an important biological molecule, has been studied in non-aqueous media using cyclic voltammetry, electrochemical impedance spectroscopy and scanning electron microscopy. To investigate the electrochemical properties of quercetin, an important flavonoid derivative, on a different surface...
L P Thornburg et al.
Veterinary pathology, 22(4), 327-332 (1985-07-01)
Three different histochemical methods for copper detection were compared. Atomic absorption analysis was used to substantiate the tissue stains. There was good correlation between rhodanine staining and rubeanic acid-stained tissue sections. The orcein reaction for copper-associated protein did not consistently...
Rodrigo Gonçalves Ribeiro et al.
Brazilian dental journal, 21(3), 216-219 (2011-01-05)
This ex vivo study evaluated dentin permeability of the root canal in the apical third of different human groups of teeth. Eighty teeth were used, 8 from each dental group: maxillary and mandibular central incisors, lateral incisors and canines, maxillary...
S Goto et al.
The Japanese journal of surgery, 14(2), 135-138 (1984-03-01)
An improved staining technique for acetylcholinesterase (AChE) activity using rubeanic acid was used to make a clinical diagnosis in 54 children with constipation. Nineteen were thus confirmed to have Hirschsprung's disease. False positive or negative reactions were nil. The sites...
H O Desseyn et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 59(6), 1359-1372 (2003-03-28)
The article describes the vibrational characterization of the secondary thioamide formation and especially a spectroscopical interesting study of different types of hydrogen bonding in NN'-dihydroxyalkyldithiooxamides.
Nickel (II) complexes with dithiooxamide, N, N'-di-methyl-and N, N'-di-hydroxyethyl-dithiooxamide.
Peyronel G, et al.
Inorgorganica Chimica Acta, 5, 627-633 (1971)
David M Cate et al.
Lab on a chip, 15(13), 2808-2818 (2015-05-27)
Exposure to metal-containing aerosols has been linked with adverse health outcomes for almost every organ in the human body. Commercially available techniques for quantifying particulate metals are time-intensive, laborious, and expensive; often sample analysis exceeds $100. We report a simple...
Mustafa Soylak et al.
Journal of hazardous materials, 137(2), 1035-1041 (2006-05-02)
A simple and facile preconcentration procedure based on the coprecipitation of trace heavy metal ions with copper(II)-rubeanic acid complex has been developed. The analytical parameters including pH, amounts of rubeanic acid, sample volume, etc. was investigated for the quantitative recoveries...
Z H Chohan et al.
Journal of inorganic biochemistry, 46(1), 41-48 (1992-04-01)
A number of cobalt(II) and nickel(II) complexes with novel dithiooxamide ligands derived from precursors such as benzonitrile, benzosulfonamide, benzaldehyde, benzoic acid, and phenol have been synthesized and characterized on the basis of their elemental analysis molar conductance, magnetic moment, H...
E Teske et al.
The Veterinary record, 131(2), 30-32 (1992-07-11)
The reliability of a cytological examination of impression smears of the liver was investigated in 89 Bedlington terriers by using the rubeanic acid staining method for copper and comparing the results with the results of a histological examination. Histological examination...
[H2-antihistaminics, VII: Synthesis and H2-antihistaminic activity of N,N'-substituted thioureas, cyanoguanidines and dithiooxamides (author's transl)].
R Barzen et al.
Archiv der Pharmazie, 314(7), 617-622 (1981-07-01)
Mustafa Soylak et al.
Journal of hazardous materials, 138(1), 195-200 (2006-06-30)
A sorbent extraction procedure for lead, iron, cadmium and manganese ions on Sepabeads SP70 adsorption resin has been presented prior to their flame atomic absorption spectrometric determinations. By the passage of aqueous samples including analyte ions-rubeanic acid chelates through Sepabeads...
T E Bunton
Journal of comparative pathology, 102(1), 25-31 (1990-01-01)
A comparison of orcein, rubeanic acid and rhodanine histochemical stains in serial sections of liver from white perch (Morone americana) with abnormal hepatic copper storage is described. Staining reactions correlated well with hepatic copper concentrations although the threshold was the...
Jacqueline C Whittemore et al.
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc, 24(4), 656-661 (2012-05-16)
In contrast to dogs, the role of copper and iron accumulation in feline hepatic disease remains poorly characterized. Therefore, the objective of the current study was to compare the amount and distribution of copper and iron accumulation for different disease...
Bart Spee et al.
Journal of veterinary internal medicine, 20(5), 1085-1092 (2006-10-27)
Inherited defects of copper metabolism resulting in hepatic copper accumulation and oxidative-stress might cause breed-associated forms of hepatitis. Biliary excretion is the major elimination route of copper, therefore increased hepatic copper concentrations could also be caused by cholestasis. The aim...
J S Kumaratilake et al.
Research in veterinary science, 42(1), 73-81 (1987-01-01)
Six Merino sheep were dosed orally with a 0.2 per cent solution of copper sulphate, six others were undosed controls. Liver biopsies were obtained and stained for copper by the p-dimethylaminobenzylidene rhodanine (DMABR), rubeanic acid (RA) and ferricyanide (FCN) methods...
V N Ierusalimskiĭ et al.
Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova, 42(6), 1116-1123 (1992-11-01)
In the paper are presented the results of the experiments with the retrograde staining of the left-side cutaneous nerves of the pedal ganglia of the snail Helix lucorum. The somata of neurons which sent processes forming the studied nerves were...
Intensification of nickel- and cobalt-filled neurone profiles following differential staining by rubeanic acid.
D L Quicke et al.
Journal of microscopy, 119(2), 267-272 (1980-07-01)
Yurii A Simonov et al.
Organic & biomolecular chemistry, 1(16), 2922-2929 (2003-09-13)
The hydrogen-bonding networks for seven new binary compounds of dithiooxamide, (NH2CS)2 (dtox) and dithiobiurea (NH2CSNH)2 (dtur) with crown ethers, 18-crown-6 (18C6), 15-crown-5 (15C5), 12-crown-4 (12C4), cis-syn-cis-(DCHA), and cis-anti-cis-(DCHB) isomers of dicyclohexyl-18 -crown-6 are discussed. (15C5.dtox), (18C6.dtur) and (DCHB.dtur) afford one-dimensional...
M Lesna et al.
Digestion, 22(3), 113-118 (1981-01-01)
Liver tissue samples from 111 patients with various hepatic disorders including 37 with primary biliary cirrhosis (PBC) and 22 with chronic active hepatitis (CAH) were studied. Of the PBC patients, 33 out of 37 (89%) showed orcein-positive and rubeanic acid-positive...
Danielle Cristine Messias et al.
Oral health & preventive dentistry, 9(3), 269-273 (2011-11-10)
This in vitro investigation assessed whether different dentifrices would be capable of controlling the enamel erosion progression caused by HCl. Sixty bovine enamel slabs were covered with acid-resistant varnish, except for a 2.5-mm2 circular area on the labial surface. According...
Xiang Zhu et al.
Chemical communications (Cambridge, England), 50(95), 15055-15058 (2014-10-21)
Thiazolothiazole-linked porous organic polymers have been synthesized from a facile catalyst-free condensation reaction between aldehydes and dithiooxamide under solvothermal conditions. The resultant porous frameworks exhibit a highly selective uptake of CO2 over N2 under ambient conditions.
A N Nosikov et al.
Prikladnaia biokhimiia i mikrobiologiia, 37(6), 739-741 (2002-01-05)
A highly sensitive method for tungsten detection in proteins based on the ability of this metal to catalyze the oxidation of with hydrogen peroxide is described. The method allows determining tungsten in protein samples in the concentration range of -0.05...
E Guibal et al.
International journal of biological macromolecules, 28(5), 401-408 (2001-04-28)
Glutaraldehyde-cross-linked chitosan (GCC), thiourea derivative of chitosan (TGC) and rubeanic acid derivative of chitosan (RADC) have previously been shown to be very efficient at removing platinum and palladium from single component dilute acidic solutions. This study examines the competitive sorption...
E K Weisburger et al.
Journal of the National Cancer Institute, 67(1), 75-88 (1981-07-01)
Fourteen chemicals of varied uses were tested for carcinogenicity by oral administration in male and female Charles River CD rats. Under the conditions of the tests, propane sultone, propylene imine, and ethylenethiourea, in addition to the positive control N-2-fluorenylacetamide, were...
Judit Marsillach et al.
PloS one, 9(10), e110054-e110054 (2014-10-22)
Homocysteinylation of lysine residues by homocysteine thiolactone (HCTL), a reactive homocysteine metabolite, results in protein aggregation and malfunction, and is a well-known risk factor for cardiovascular, autoimmune and neurological diseases. Human plasma paraoxonase-1 (PON1) and bleomycin hydrolase (Blmh) have been...
A Ghauch et al.
Chemosphere, 40(12), 1327-1333 (2000-05-02)
Diffuse reflectance spectroscopy can be successfully used for the quantitative determination of small amounts of pollutants like metals. The remission function was found to be linearly proportional to the concentration, when we applied the Kubelka-Munk equation. The color reactions of...
B Iyengar
Acta anatomica, 115(4), 357-360 (1983-04-01)
The early chick blastoderm has been used as a rapidly proliferating organised system of differentiating cells. From the present study, it is noted that copper is transported into the blastoderm through the periblastodermal yolk globules. Over a large dose range...
Preparation of Dithiooxamide Derivatives.
Hurd RN, et al.
The Journal of Organic Chemistry, 26(10), 3980-3987 (1961)
[Antitubercular agents. 44. N,N-dialkyldithiooxamide].
K Waisser et al.
Die Pharmazie, 43(11), 794-794 (1988-11-01)

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