Browsing ICAQF - Outras produções by Submit Date
Now showing items 1-20 of 163
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Europium tetracycline biosensor for the determination of cholesterol - art. no. 643017
(Spie-int Soc Optical Engineering, 2007-01-01)Development of cholesterol biosensors is of great importance in clinical analysis because the concentration of cholesterol in blood is a fundamental parameter for the prevention and diagnosis of a number of clinical disorders ...
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Synthetic approaches to naturally occurring ten-membered-ring lactones
(Georg Thieme Verlag Kg, 2007-11-02)The strategies for the synthesis of naturally occurring ten-mernbered-ring lactones, which are the most abundant of the medium-ring lactones, are discussed. According to their structures and/or biosynthesis, the molecules ...
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1,5-asymmetric induction in boron-mediated aldol reactions of beta-oxygenated methyl ketones
(Royal Soc Chemistry, 2008-01-01)This tutorial review describes that high levels of substrate-controlled, 1,5-stereoinduction are obtained in the boron-mediated aldol reactions of beta-oxygenated methyl ketones with achiral and chiral aldehydes. Remote ...
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Hypocrellin B, a perylenequinonoid pigment, and its complexes with lanthanide ions: optical characterization and enhancements in its photodynamic properties
(Elsevier B.V., 2009-01-01)Hypocrellins, perylenequinonoid pigments isolated from Hypocrella bambusae, are known photodynamic agents. They exhibit several advantages over the other photosensitizers, such as ready preparation, easy purification, low ...
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Layered niobate nanosheets: building blocks for advanced materials assembly
(Royal Soc Chemistry, 2009-01-01)Layered materials with intracrystalline reactivity undergo intercalation and pillaring reactions to produce materials with useful properties for catalysis, electrodes for Li batteries and adsorbents. New possibilities for ...
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Neuromodulatory property of standardized extract Ginkgo biloba L. (EGb 761) on memory: Behavioral and molecular evidence
(Elsevier B.V., 2009-05-07)Although it has been suggested that the standardized Ginkgo biloba leaf extract (Egb 761) may have a beneficial effect on memory, the cellular and molecular changes that underlie this process are not yet well defined. the ...
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Kinetic and mechanistic investigation of the ozonolysis of 2,4-xylidine (2,4-dimethyl-aniline) in acidic aqueous solution
(Elsevier B.V., 2009-06-02)The ozonolysis of 2,4-xylidine (2,4-dimethyl-aniline) in acidic aqueous solution was investigated by determining the major reaction products and their evolution as a function of the reaction time and their dependence on ...
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Impedance studies of poly(methylmethacrylate-co-acrylic acid) doped polyaniline films on aluminum alloy
(Elsevier B.V., 2009-07-01)Films of polyaniline doped with poly(methylmethacrylate-co-acrylic acid) - PAni-PMMA-co-AA - were prepared on AA3104-H19 alloy, an aluminum alloy used in the Brazilian can industry, by immersion of the pre-treated surfaces ...
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Oxidative Damage to Cytochrome c Induced by Aminoacetone
(Elsevier B.V., 2010-01-01) -
Micro Raman Spectroscopy Investigation of Patinas Formed by Exposure of Copper to Vapor of Several Aqueous Electrolyte Solutions
(Amer Inst Physics, 2010-01-01) -
Data Analysis of Monochromatic Signals from ALLEGRO GW Detector
(Elsevier B.V., 2010-02-01)We have analyzed ALLEGRO's data for the year 1997 searching for monochromatic gravitational wave (GW) signals. for this, we had to take into account the Doppler shift; effect caused by the rotation and translation of the ...
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Immobilization of biomolecules on nanostructured films for biosensing
(Elsevier B.V., 2010-02-15)This paper brings an overview of the use of nanostructured films in several types of biosensors, with emphasis on the advantageous control of molecular architecture which is typical of the layer-by-layer (LbL) and ...
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Control of infection by pyroptosis and autophagy: role of TLR and NLR
(Springer, 2010-05-01)Cells can die by distinct mechanisms with particular impacts on the immune response. in addition to apoptosis and necrosis, recent studies lead to characterization of a new pro-inflammatory form of cell death, pyroptosis. ...
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Does zearalenone, an estrogenic mycotoxin, have immunotoxic effects?
(Elsevier B.V., 2010-07-17) -
Toxic effects of Senecio brasiliensis on rat phagocytes
(Elsevier B.V., 2010-07-17) -
Ipomoea carnea, a poisonous plant, promotes changes in lymphocyte distribution of young rats
(Elsevier B.V., 2010-07-17) -
Paradise revealed: first-class science rocked by the sound of the waves
(Nature Publishing Group, 2010-08-01) -
Chitosan in Nanostructured Thin Films
(Amer Chemical Soc, 2010-08-01)This review paper brings an overview of the use of chitosans in nanostructured films produced with the Langmuir-Blodgett (LB) or the electrostatic layer-by-layer (LbL) techniques, with emphasis on their possible applications. ...