INABILITY to measure mitral regurgitant flow has greatly limited the hemodynamic evaluation of mixed mitral valve disease, and of any associated myocardial disease. A direct dye-dilution measurement of regurgitant flow by recording simultaneous left atrial and arterial dilution curves after injection of dye into the left ventricle was suggested 6 years ago,1 2 and several theoretical analyses o...

INABILITY to measure mitral regurgitant flow has greatly limited the hemodynamic evaluation of mixed mitral valve disease, and of any associated myocardial disease. A direct dye-dilution measurement of regurgitant flow by recording simultaneous left atrial and arterial dilution curves after injection of dye into the left ventricle was suggested 6 years ago,1 2 and several theoretical analyses o...

Dye-sensitized Solar Cell (DSSC) based on ZnO nanostructures has been fabricated using mangosteen peel extract as dyes the Yonekawa method and Grätzel method. This research synthesized with nanoparticles, nanorods, nanoflower, nanotree morphologies. Two different morphological structures of were mixed ratio 25:75, 50:50, 75:25, performance DSSC was investigated. The dye used in extracted from v...

introduction: basal cell carcinoma (bcc) is the most common cutaneous malignancy. proffered treatment for these lesions is surgery. based on patient’s age, drug allergies, and place of lesions, surgery may not be the best option, and alternative treatments should be considered. pulsed dye laser (pdl) may be a good alternative therapy. the aim of the present study was to determine the effectiven...

up to now, lots of materials such as active carbon, iron, manganese, zirconium, and metal oxides have been widely used for removal of dyes from contaminated water. among these, ferrite nanoparticle is an interesting magnetic material due to its moderate saturation magnetization, excellent chemical stability and mechanical hardness. graphene, a new class of 2d carbonaceous material with atom thi...

ABSTRACT. The azo dye of 1,3-dimethylxanthine, namely 8-[(4-acetyl phenyl azo)]-1,3-dimethylxanthine (APAX), was prepared in two steps. first step included the formation diazonium salt by reacting 4-aminoacetophenone with sodium nitrite NaNO2 under acidic conditions and completing diazotization process while maintaining a low temperature below 5 °C. resulting reacted 1,3-dimethylxanthine compou...