Browsing by Issue Date Artículos de revistas
Now showing items 1401-1420 of 2801
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(Wiley-V CH Verlag GMBH, 2007-07)Tne reductive electrochemistry of 1-methyl-4-nitro-2-hydroxymethylimidazole, a 4-nitroimidazole derivative, was examined in the presence of surfactants anionic as sodium dodecyl sulfate (SDS), nonionic, Triton-X, Cationic, ...
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(2007-07)Detection of singlet oxygen emission, lmax = 1270 nm, following laser excitation and steady-state methods were employed to measure the total reaction rate constant, kT, and the reactive reaction rate constant, kr, for the ...
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(BLACKWELL PUBLISHING, 2007-07)Meeting Abstract
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(PARTHENON PUBLISHING GROUP, 2007-07)Background. The role of tumor necrosis factor-alpha (TNF-alpha) in granulosa luteal cell function and steroidogenesis is still controversial. Our aim was to examine the steroiclogenic response, together with the simultaneous ...
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(LANDES BIOSCIENCE, 2007-07)The second messenger myo-inositol-1,4,5-trisphosphate (IP3) acts on the IP3 receptor (IP3R), an IP3-activated Ca2+ channel of the endoplasmic reticulum (ER). The IP3R agonist IP3 inhibits starvation-induced autophagy. The ...
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4-(2-Hydroxyphenyl)-2-phenyl-2,3-dihydro-1H-1,5-benzodiazepine and the 2-(2,3-dimethoxyphenyl)-, ... (BLACKWELL PUBLISHING, 2007-07)The 1,5-benzodiazepine ring system exhibits a puckered boatlike conformation for all four title compounds [4-(2-hydroxyphenyl)2- phenyl-2,3-dihydro-1H-1,5-benzodiazepine, C21H18N2O, (I), 2-(2,3-dimethoxyphenyl)-4-(2-hydr ...
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Inclusion complexes of estrone and estradiol with beta-cyclodextrin: Voltammetric and HPLC studies (WILEY, 2007-07)The interaction of estrone and estradiol with beta-cyclodextrins (beta CD) was investigated by differential pulse voltammetry (DPV) and high-performance liquid chromatography (HPLC) in mixed media. The co-solvent influence ...
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(WILEY-V C H VERLAG GMBH, 2007-07)We studied the reactivity of peroxynitrite and different nucleic acid molecules using DNA electrochemical biosensors. SIN-1 (3-morpholinosydnonimine) has been used for the simultaneous generation of NO- and superoxide, ...
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(COLEGIO FARMACEUTICOS PROVINCIA DE BUENOS AIRES, DEPT CIENTIFICO, 2007-07)The purpose of this study was to evaluate in vivo the Sun Protection Factor (SPF) of two sunscreens made in a pharmacy, utilizing for such purpose a technique described by the Food and Drug Administration (FDA). This study ...
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(SOC MEDICA SANTIAGO, 2007-08)Despite advances in treatment, chronic heart failure still is associated with a pool- prognosis and remains a leading cause of cardiovascular death. Cumulatingi evidence sugigest,; that imbalances in redox state lead to a ...
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(SPRINGER, 2007-08)Lipid changes related to quality loss were evaluated during frozen storage of coho salmon for up to 15 months. Biochemical indices concerning lipid hydrolysis (free fatty acids, FFA) and oxidation (peroxide value, PV; ...
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(SOC CHILENA QUIMICA, 2007-09)The concentration of trace elements and other analytes of environmental interest was determined in waters and sediments of the Coya and Cachapoal rivers (VI Region, Central Chile), which corresponds to a location highly ...
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(SOC CHILENA QUIMICA, 2007-09)The aim of this work is based in the reduction of independent variables in multivariate regression analysis to one by means a vector dot product (E-3). By this way, it is omit the orthogonalized procedure to obtained valid ...
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(ELSEVIER SCIENCE BV, 2007-09)Chicken eggshell (ES) is an industrial byproduct containing 95% calcium carbonate, and its disposal constitutes a serious environmental hazard. Different proportions of chicken eggshell as bio-filler for polypropylene (PP) ...
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(WILEY-V C H VERLAG GMBH, 2007-09-14)Recycling of thermoplastic wastes consisting using SEBS/EPR and SBR/EPR as compatibilizers. The effect of PE/PP/PS/HIPS blends was investigated by The effect of the binary compatibilizer systems and processing conditions ...
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(MACROMOLECULAR MATERIALS AND ENGINEERING 292(9): 1027-1034, 2007-09-14)Poly(propylene) (PP) composites were prepared by using eggshell (ES) as filler and their mechanical properties were compared with those using talc (TA) and calcium carbonate (CC) of different grain sizes (X-50). A decrease ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2007-10)Total element determination and chemical fractionation were carried out in airborne particulate matter (PM10) from the Cerrillos monitoring station in Santiago, Chile, sampled in July (winter), 1997-2003. Element concentration ...
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(SOC GENERAL MICROBIOLOGY, 2007-10)Shigella flexneri 2a 2457T produces lipopolysaccharide (LIPS) with two O-antigen (OAg) chain lengths: a short (S-OAg) controlled by WzzB and a very long (VL-OAg) determined by Wzz(pHS-2). This study demonstrates that the ...
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(LIPPINCOTT WILLIAMS & WILKINS, 2007-10)The RhoA/Rho kinase (ROCK) pathway is a new mechanism of remodeling and vasoconstriction. Few data are available regarding ROCK activation when angiotensin I-converting enzyme is high and blood pressure is normal. We ...
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(ELSEVIER SCIENCE BV, 2007-10-25)The aurophilic attraction and the spectroscopic properties of [AU(3)(MeN=COMe)(3)](n) (n = 1-4) were studied at the MP2 and density functional theory (B3LYP and PBE) levels. Theoretical calculations at the MP2 level are ...