Browsing by Title Artículos de revistas
Now showing items 2675-2694 of 2801
-
(American Society of Microbiology, 1973)Cell-free extract supernatant fluids of Pseudomonas aeruginosa were shown to lack malic dehydrogenase but possess a nicotinamide adenine dinucleotide (NAD) - or NAD phosphate (NADP)-dependent enzymatic activity, with ...
-
(JOHN WILEY & SONS LTD, 2005-11)Two new dammarane triterpenoids, 20R,21-epoxydammar-24-ene-3,23-dione and 20R,21-epoxy-3 beta-hydroxydammar-24-ene-23-one have been isolated from the aerial parts of Kageneckia angustifolia D. Don, Rosaceae, along with the ...
-
(2006)Full title: Two new hybrid organic/inorganic copper(II)-oxovanadate(V) diphosphonates: [Cu2(phen)2(O3PCH2PO 3)(V2O5)(H2O)]·H 2O and [Cu2(phen)2(O3P(CH 2)3PO3)(V2O5)] ·C3H8. Synthesis, structure, and magnetic properties. ...
-
(International Union of Crystallography, 1995)The syntheses and solid-state structures of two stilbene carbamates, 4-[2-(4-nitrophenyl)]phenylcarbamic acid ethyl ester, C17H16N2O4,(2), are described. The crystallization from tetrahydrofuran solutions occurs in the ...
-
(SOCIEDAD CHILENA DE QUIMICA, 2003-06)This work presents two new topological indices, C(u) and C-A(u), that permit their application to organic molecules containing oxygen, nitrogen, sulfur and halogens. These indices are obtained by modifying Schultz molecular ...
-
(International Union of Crystallography, 2014)Two new NiII complexes involving the ancillary ligand bis[(pyridin-2-yl)methyl]amine (bpma) and two different carboxylate ligands, i.e. homophthalate [hph; systematic name: 2-(2-carboxylatophenyl)acetate] and ...
-
(2014)Two new NiII complexes involving the ancillary ligand bis[(pyridin-2-yl)methyl]amine (bpma) and two different carboxylate ligands, i.e. homophthalate [hph; systematic name: 2-(2-carboxylatophenyl)acetate] and ...
-
Two oxo complexes with tetra-nuclear [Fe-4(mu(3)-O)(2)](8+) and trinuclear [Fe-3(mu(3)-O](7+) units (BLACKWELL PUBLISHING, 2006-07)Two new oxo complexes, namely hexa-mu(2)-acetato-acetato-aquabis(di-3-pyridylamine)di-mu(3)-oxo-tetrairon(III) chloride monohydrate ethanol 1.25-solvate, [Fe-4(C2H3O2)(7)O-2(C10H9N3) (2)(H2O)]Cl center dot 1.25C(2)H(6)O ...
-
(WILEY-BLACKWELL PUBLISHING, 2009-07)mu-Benzene-1,2,4,5-tetracarboxylato-kappa O-2(1):O-4) bis[aquabis(2,2-methylpropane-1,3-diamine-kappa N-2,N') nickel(II)] methanol disolvate tetrahydrate, [Ni-2(C10H2O8)(C5H14N2)(4)(H2O)(2)]center dot 2CH(4)O center dot ...
-
(WILEY-BLACKWELL PUBLISHING, 2009-07)catena-Poly[[tetraaquabis(1H-pyrazole-kappa N-2) nickel(II)] [[diaquabis(1H-pyrazole-kappa N-2) nickel(II)]-mu-benzene-1,2,4,5-tetracarboxylato-kappa O-2(1):O-4] tetrahydrate], {[Ni(C3H4N2)(2)(H2O)(4)][Ni(C10H2O8)(C3H4N2 ...
-
(2007)Two polymorphic forms of a mixed zinc/copper biquinoline dihydrogenphosphate are presented, showing almost identical monomeric units, viz. (2,2 '-biquinoline-kappa N-2,N ')bis(dihydrogenphosphato-kappa O)copper(II)/zinc(II), ...
-
(American Society for Microbiology, 2013-04)Salmonella enterica serotype Gallinarum is the causative agent of fowl typhoid, a disease characterized by high morbidity and mortality that causes major economic losses in poultry production. We have reported that S. ...
-
(PLOS ONE, 2013)The role of the Salmonella Pathogenicity Islands (SPIs) in pathogenesis of Salmonella enterica Typhimurium infection in the chicken is poorly studied, while many studies have been completed in murine models. The Type VI ...
-
(Taylor & Francis, 2018)UHPLC/ESI/MS identification of organic compounds is the first step in the majority of screening techniques for the characterization of biologically active metabolites in natural sources. This paper describes a method for ...
-
(MDPI, 2021)Gaultheria pumila (Ericaceae) (known as Chaura or Mutilla) is a Chilean native small shrub that produces berry fruits consumed by local Mapuche people. In this study, the chemical fingerprinting and antioxidant, enzyme ...
-
(Elsevier, 2015)A novel analytical approach involving an improved rotating-disk sorptive extraction (ROSE) procedure and ultra-high-performance liquid chromatography (UHPLC) coupled to an ultraspray electrospray ionization source (UESI) ...
-
(ELSEVIER, 2006-11-03)In the present work the efficiency of extraction of aliphatic diesel range organics (DROs) and polycyclic aromatic hydrocarbons (PAHs) from soil was assessed by using dynamic modes of pressurized solvent extraction (PSE), ...
-
(JOHN WILEY & SONS LTD, 2009-06)The polar Diels-Alder (DA) reactions of 2-acetyl-1,4-benzoquinone (acBQ) with methyl substituted 1,3-butadienes have been studied using DFT methods at the B3LYP/6-31 G(d) level of theory. These reactions are characterized ...
-
Une méthode simple pour le traitement des filtres employés dans l'etude des aerosols atmosphériques. (Akadémiai Kiadó, 1982)A simple and rapid method for the multielement routine analysis of atmospheric particulate matter is described. The samples collected on four different types of filters were treated with HNO3 and HCl at 110-120 ºC in pyrex ...
-
(2005)1,4-dihydropyridine derivatives constitute an important pharmacological group for the treatment of cardiovascular diseases. We have synthesised a series 4-(5′-nitro-2′-furyl)-1,4-dihydropyridine derivatives, which were ...