The three groups were compared to a control group (n = 68) to evaluate cognitive effects of the antiepileptic drugs. We examined drug effects cross-sectionally
at baseline, 6 months, and 12 months. There were no significant differences in efficacy among the three AEDs. LEV caused fewer adverse events than the other AEDs. PB produced persistent negative Alvocidib cognitive side effects. LEV was associated with improved cognitive performance, specifically attention level and oral fluency items. LTG had a better effect on mood. LEV had a benign neuropsychological side effect profile, making it a cognitively safe drug to use for controlling established seizures in elderly selleckchem patients with Alzheimer’s disease. (C) 2010 Elsevier Inc. All rights reserved.”
“The overall goal of this study was
to develop a rapid method based on optical imaging and spectroscopy for real time characterization of interactions of free radicals with oil in water emulsions. The method was based on encapsulation of a lipid soluble, free radical sensitive dye that transforms from a non-fluorescent to a fluorescent state upon reaction with hydroxyl radicals. Using this approach, interaction of hydroxyl radicals generated using the Fenton’s reagents in aqueous phase with free radical sensitive dye encapsulated in the oil phase of whey protein isolate (WPI) stabilized emulsion was characterized. The results based on fluorescence imaging and spectroscopy showed a linear increase in fluorescence of free radical sensitive dye during the initial time period (-30 min) of incubation with the Fenton’s reagents. The results showed a high degree of correlation between spectroscopy and quantitative fluorescence imaging measurements. Increase in fluorescence of free radical sensitive dye Bucladesine in vitro was a function of concentration of ferrous ions and hydrogen peroxide. Incorporation of EDTA reduced the rate of increase in fluorescence of the dye due to the chelation of metal ions (p < 0.05). The addition of alpha-tocopherol in the lipid phase also significantly reduced the rate of increase in
fluorescence ( p 0.05). Lipid oxidation was measured to validate propagation of radicals in the oil phase of the emulsion. The results showed a positive correlation between an increase in fluorescence of the free radical sensitive dye and the level of lipid peroxidation. In summary, the method developed in this study is sensitive for real time quantitative measurement of interactions of free radicals with emulsions. (C) 2010 Elsevier Ltd. All rights reserved.”
“Amphoteric polymer hydrogels were prepared by the copolymerization of three kinds of N,N’-dimethyll-N-alkylmethacryloxylethyl ammoniumbromide (DMAEA) with different lengths of alkyl chains (DMAEA-RB) (R-ehtyl/hexyl/dodecyl), acrylic acid (AA), and acrylamide (AM).