235970

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Showing 1-9 of 9 results for "235970" within Papers

Inhibition by diacylmethane derivatives of mutagenicity and nucleic acid binding of 2-aminofluorene derivatives.

C Y Wang et al.

Journal of the National Cancer Institute, 81(22), 1743-1747 (1989-11-15)

The active methylene compounds acetylacetone, 1,1,1-trifluoroacetylacetone, benzoylacetone, dibenzoylmethane, and 1,3-indandione inhibited the mutagenicity of 2-nitrofluorene in Salmonella typhimurium. They also inhibited the N,O-acetyltransferase-catalyzed transfer RNA binding of N-hydroxy-2-acetylaminofluorene, but they did not inhibit N,O-acetyltransferase. However, only 1,3-indandione and 1,1,1-trifluoroacetylacetone significantly

Eu3+ -tetrakis β-diketonate complexes for solid-state lighting application.

Camila M B Leite Silva et al.

Luminescence : the journal of biological and chemical luminescence, 34(8), 877-886 (2019-07-28)

Eu3+ -β-diketonate complexes are used, for example, in solid-state lighting (SSL) or light-converting molecular devices. However, their low emission quantum efficiency due to water molecules coordinated to Eu3+ and low photostability are still problems to be addressed. To overcome such

Capillary gas chromatographic determination of putrescine and cadaverine in serum of cancer patients using trifluoroacetylacetone as derivatizing reagent.

M Y Khuhawar et al.

Journal of chromatography. B, Biomedical sciences and applications, 723(1-2), 17-24 (1999-03-18)

Trifluoroacetylacetone (FAA) derivatives of 1,4-diaminobutane (putrescine) (Pu) and 1,5-diaminopentane (cadaverine) (CA) were prepared and characterized by elemental microanalysis, IR, and mass spectrometry. Diamine derivatives were eluted from capillary gas chromatographic (CGC) column BP1 (12 m x 0.22 mm I.D.) or

Luminescence Thermometry on the Route of the Mobile-Based Internet of Things (IoT): How Smart QR Codes Make It Real.

João F C B Ramalho et al.

Advanced science (Weinheim, Baden-Wurttemberg, Germany), 6(19), 1900950-1900950 (2019-10-09)

Quick Response (QR) codes are a gateway to the Internet of things (IoT) due to the growing use of smartphones/mobile devices and its properties like fast and easy reading, capacity to store more information than that found in conventional codes

Inhibition by diacylmethane derivatives of mutagenicity in Salmonella typhimurium and tRNA-binding of chemical carcinogens.

C Y Wang et al.

Mutation research, 262(3), 189-193 (1991-03-01)

Effects of diacylmethanes on the mutagenicity of 2-naphthohydroxamic acid, methylnitrosourea, benzo[a]pyrene and aflatoxin B1 in S. typhimurium and the tRNA binding by benzo[a]pyrene and aflatoxin B1 were investigated. Acetylacetone, benzoylacetone and dibenzoylmethane inhibited the mutagenicity of 2-naphthohydroxamic acid, and dibenzoylmethane

Structure and vibrational assignment of the enol form of 1,1,1-trifluoro-2,4-pentanedione.

Mansoureh Zahedi-Tabrizi et al.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 65(2), 387-396 (2006-02-28)

Molecular structure of 1,1,1-trifluoro-pentane-2,4-dione, known as trifluoro-acetylacetone (TFAA), has been investigated by means of Density Functional Theory (DFT) calculations and the results were compared with those of acetylacetone (AA) and hexafluoro-acetylacetone (HFAA). The harmonic vibrational frequencies of both stable cis-enol

Synthesis, Characterization, Spectral Studies, Antibacterial Evaluation, Thermodynamics and DFT Calculations of Dimethyltin(IV) Dichloride Schiff Base.

Sheida Esmaielzadeh et al.

Acta chimica Slovenica, 62(4), 805-817 (2015-12-19)

A number of new 1:1 complexes of SnMe(2)Cl(2) with unsymmetrical tetradentate Schiff base ligand with NNOS coordination sphere have been synthesized and fully characterized by a variety of physico-chemical techniques viz. elemental analysis, molar conductivity, (1)H and (119)Sn NMR, IR

Analysis of aluminium in tablets by derivative ultraviolet spectrophotometry.

L Nobile et al.

Die Pharmazie, 46(2), 138-139 (1991-02-01)

Synthesis and anticancer activity evaluation of new 2-alkylcarbonyl and 2-benzoyl-3-trifluoromethyl-quinoxaline 1,4-di-N-oxide derivatives.

Belén Zarranz et al.

Bioorganic & medicinal chemistry, 12(13), 3711-3721 (2004-06-10)

As a continuation of our research in quinoxaline 1,4-di-N-oxide and with the aim of obtaining new anticancer agents, which can improve the current chemotherapeutic treatments, new series of 2-alkylcarbonyl and 2-benzoyl-3-trifluoromethylquinoxaline 1,4-di-N-oxide derivatives have been synthesized and evaluated for in

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