BACKGROUND Reactive oxygen species are implicated in the physiopathogenesis of salt-induced hypertension and the C242T polymorphism of the p22-phox gene has been associated with higher superoxide production. This study investigated the impact of this polymorphism on the relationship between urinary sodium excretion (USE) and blood pressure levels in an urban Brazilian population. METHODS We c...

Ashkenazi Jews with the I1307K adenomatous polyposis coli gene variant were suggested to confer a higher risk for colorectal cancer (CRC). We assessed the clinical importance of this polymorphism in Israeli Jews at average and elevated risk for CRC. Among 1,370 consecutive subjects that were examined, 975 Ashkenazi Jews were stratified into those at average risk (no personal or family history o...

OBJECTIVE To measure health related quality of life and level of depression among patients with noncirrhotic chronic hepatitis B patients and hepatitis B surface antigen (HBsAg) carriers. METHODS The study was conducted at Psychiatry, Gastroenterology, and Infectious Disease Outpatients Clinics of the Harran University, Sanliurfa, Southeastern Turkey, between April and June 2005. A case contr...

BACKGROUND Developing measures to detect preclinical Alzheimer's Disease is vital, as prodromal stage interventions may prove more efficacious in altering the disease's trajectory. Gait changes may serve as a useful clinical heuristic that precedes cognitive decline. This study provides the first systematic investigation of gait characteristics relationship with relevant demographic, physical, ...

Aim: To enhance the aqueous solubility of olanzapine by using the Solid dispersion technique. Solid dispersions of Olanzapine were prepared by the dispersion method using using PGS and SSG as carriers. Drug:carrier ratios such as 1:1, 1:2, 1:4, 1:6, 1:8 and 1:10 were tried for optimization. Characterization was done by phase solubility, in vitro release, saturation solubility, permeation, wetta...

OBJECTIVE To test the hypothesis that aerobic-related leisure-time physical activity (PA) is associated with better cognitive function and that the effect varies among apolipoprotein E (APOE) genotype groups. DESIGN Cross-sectional study of persons examined in the Third National Health and Nutrition Examination Survey (NHANES-III; 1988-1994). SETTING US noninstitutionalized population. PA...

Light-induced generation of free charge carriers in semiconductors constitutes the physical basis of photodetection and photovoltaics. To maximize its efficiency, the energy of the photons must be entirely used for this purpose. This is highly challenging owing to the ultrafast thermalization of 'hot' carriers, which are created by absorption of high-energy photons. Thermalization leads to heat...

Among all the material parameters of a semiconductor, lifetime carriers is one most complex, as it function dominant recombination mechanism, number carriers, structural and temperature. Nevertheless, very useful fundamental parameter to be determined for qualification semiconductor in order allow improvement manufacturing process optimization operation device. Thus being strongly linked many p...

Growing interest in silicone elastomers for pharmaceutical purposes is due to both their beneficial material effect for scar treatment and their potential as drug carriers. Regarding their morphological structure, silicone polymers possess unique properties, which enable a wide range of applicability possibilities. The present study focused on developing a double-layer adhesive silicone film (D...

carbon nanotubes (cnts) are high aspect ratio allotropes of carbon. because of their unique physical and chemical characteristics, they are nominated for a vast variety of applications in the biomedical field. their very low solubility is the only problem of them which is solved by different methods of functionalization. after discoveries in the last few years of the capacity of cnts to penetra...