Chemical structure
Fig. 1 - Chemical structure of flavonoids 1-4 isolated
... the structure of a molecule are rare in the literature, as seen in a study by Reynolds (1987) is a good ...the chemical structure of certain substances may be favorable to increase in allelopathic ...
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Evaluation of the influence of fluoroquinolone chemical structure on stability: forced degradation and in silico studies
... distinct chemical structures. The chemical hydrolysis of five fluoroquinolones was studied using alkaline and photolytic degradation aiming to observe the differences in molecular ...the chemical ...
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isolated from Agardhiella ramosissima : chemical structure and antiinflammation activity
... different chemical medi- ators are involved including excitatory amino acids, neuropeptides, PGE2, nitric oxide, and kinins (Malmberg & Yaksh, 1995; Omote, Kawamata, Kawamata, & Namiki, 1998; Santos & ...
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J. Aerosp. Technol. Manag. vol.2 número2
... and chemical analysis, infrared spectroscopy characterization and measurement of HTPB/IPDI (isophorone diisocyanate) reactivity, expressed as pot ...unchanged chemical structure, an increase in ...
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J. Braz. Chem. Soc. vol.16 número5
... where V, E, S, A, and B are solute parameters developed by Abraham and coworkers representing, respectively, the characteristic volume, excess index of refraction, dipolarity/polarizability, and hydrogen bond donor and ...
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Braz. J. Pharm. Sci. vol.51 número3
... their chemical structure, in addition to other reports related to some species from this ...common chemical characteristics of these species, providing information that may help new researchers to ...
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Amorphous hydrogenated carbon films treated by SF(6) plasma
... coefficient, chemical inertness and biocompatibility ...Enhanced Chemical Vapor Deposition (PECVD), and their properties depend on the conditions of the process such as discharge power, excitation ...
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Campina Grande, PB, Brazil
... the chemical characteristics of this polymer combined with the knowledge of the properties of the drilling fluid should highlight the functions performed by this polymer, as well as help to define, more precisely, ...
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SWEETLEAD: an in silico database of approved drugs, regulated chemicals, and herbal isolates for computer-aided drug discovery.
... molecular structure and collecting relevant associated ...resulting structure is associated with the input drug ...each structure receives are tallied and the structure obtaining the most ...
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Engineered Trehalose Permeable to Mammalian Cells.
... trehalose chemical structure rather than manipulating the cell, is an innocuous, cell- friendly method for trehalose delivery, with demonstrated potential for trehalose loading in different types of cells ...
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Mat. Res. vol.6 número2
... groups are present at very low levels. Although the modifi- cation of polymer surfaces by corona discharge has already been studied, further research work is necessary in order to understand changes in the surface ...
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Estudo químico de constituintes das cascas do caule de Aristolochia esperanzae Kuntze (Aristolochiaceae), empregando métodos espectroscópicos e teóricos
... other chemical classes, such as coumarins, flavonoids, phenolic compounds, and ...this chemical class and the bactericidal activity of these ...the chemical structure of each ...
201
Effect of ion irradiation on the structural properties and hardness of a-C:H:Si:O:F films
... To allow comparison to growth without intentional ion implantation, some films were also grown by plasma enhanced chemical vapor deposition (PECVD). The objectives were to investigate the effects of fluorine ...
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Feasibility of RF Sputtering and PIIID for production of thin films from red mud
... During the extraction of aluminum from bauxite, a waste of oxides containing traces of heavy metals in a highly alkaline matrix, called Red Mud (RM), is produced. In this study RM is characterized and the feasibility of ...
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Criotolerância de embriões Bos Taurus Indicus e Bos Taurus Taurus produzidos in vitro e in vivo
... In the present work we have associated the cytoplasmic lipid content of bovine blastocysts with the chemical structure of their membrane lipids, discriminating between Bos taurus indi[r] ...
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REVIEW EMPLOYING CONFORMATIONAL ANALYSIS IN THE MOLECULAR MODELING OF AGROCHEMICALS: INSIGHTS ON QSAR PARAMETERS OF 2,4-D
... to chemical structures drawn with the aid of a software like ChemDraw and ...encode chemical information: different atomic radii and colors were found to represent size (like in steric effects) and the ...
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Filamentary structure in chemical tracer distributions near the subtropical jet following a wave breaking event
... filamentary structure is created by large-scale dynamical processes including Rossby wave ...observed structure, which can be diagnosed using tracer-tracer ...the chemical characteristics of the ...
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Effects of forest structure on litter production, soil chemical composition and litter–soil interactions
... Vegetation structure was characterized in a phytosociological survey of the lower and upper strata in 10 sampling units in the target areas. All species were identified in loco. Plants less than 0.3 m high and ...
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J. Braz. Chem. Soc. vol.28 número3
... requirements for the cytotoxic activity of prodiginines, arguing that replacement of individual pyrrole rings or removal of the peripheral methoxyl group at C3 of the B-ring significantly decreased cytotoxicity. The ...
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Condensed tannins from Ficus virens as tyrosinase inhibitors: structure, inhibitory activity and molecular mechanism.
... From the fluorescence quenching study the hydroxyl groups of the condensed tannins were found to quench the intrinsic fluorescence of the tyrosinase. Moreover, condensed tannins have also been reported to chelate metal ...
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