A novel analytical method for atmospheric polycyclic aromatic hydrocarbons (PAHs) was developed based on laser induced fluorescence (LIF) of samples on quartz multi-channel polydimethylsiloxane traps. A tunable dye laser with a frequency doubling crystal provided the excitation radiation, and a double monochromator with a photomultiplier tube detected emitted fluorescence. The method allowed fo...

OBJECTIVE To compare the complications rate of percutaneous nephrostomy and double J ureteral stenting in the management of obstructive uropathy. METHODOLOGY Total number of 300 patients of age 20-80 years who underwent JJ stenting or percutaneous nephrostomy for obstructive uropathy were included in this study. Patients were divided in two groups i.e. A & B. In group A, 100 patients who unde...

Ca(2+) waves and oscillation are key signalling elements during the fertilization process of animals, and are involved, for example, in egg activation. In the unique double fertilization process in flowering plants, both the egg cell and the neighbouring central cell fuse with a sperm cell each. Here we succeeded in imaging cytosolic Ca(2+) in these two cells, and in the two synergid cells that...

This work presents an interpolated spline method to mathematically represent experimental data of a thermal distribution on tube with heat flux. Linear regression was compared the double linear interpolation process optimization algorithm and cubic curve proposed problem. The results show that can highly improve efficiency curves lead smooth empirical equation for experiments. chooses points in...

A general, simple and efficient method for preparing site-specific mutations in double-stranded plasmid DNA without the need for special plasmids, bacterial strains or reagents is described. Only one synthetic oligonucleotide for each mutation is required, subcloning is unnecessary and a high efficiency of mutation (58-97%) was obtained. If two synthetic oligonucleotide primers are used, two se...

Lung separation techniques in the morbidly obese patient undergoing thoracic or esophageal surgery may be at risk of complications during airway management. Access to the airway in the obese patient can be a challenge because they have altered airway anatomy, including a short and redundant neck, limited neck extension and accumulation of fat deposition in the pharyngeal wall contributing to di...