this study was designed to investigate the effect of p. fluorescens fy32 inoculation on the activities of some antioxidant enzymes and ion concentration of two canola cultivars (sarigol and hyola308) under salinity stress (150 and 300 mm nacl) in the greenhouse condition (fall 2012, dept. of plant breeding and biotechnology, faculty of agriculture, university of tabriz). the experimental design...

the present study describes the encapsulation of protocorm of cymbidium bicolor lindl. from 60 days-old in seed cultures for short- term conservation and propagation. various concentrations and combinations of gelling matrix (sodium alginate) and complexing agents (calcium chloride) were tested to prepare uniform beads. the ideal beads were ob- tained through a combination of 3% sodium alginate...

Prostaglandin I2 (PGI2, prostacyclin), a potent vasodilator synthesized by the blood vessels, has been postulated to play a role in hypertension. The purpose of our study was to test this hypothesis by monitoring the in vivo production of PGI2 in Dahl salt-sensitive (S) and salt-resistant (R) rats under normal and high sodium intake. The 24-hour urinary excretion of two endogenous metabolites o...

Objective(s): The aim of this study was to synthesize triangular gold nanoparticles, and then to evaluate their capability for inhibition of Candida albicans secreted aspartyl proteinase 2(Sap2).Materials and Methods: To synthesize the nanoparticles, hydrogen tetrachloroaurate and hexadecyl trimethyl ammonium bromide were incubated in presence of Sn(IV) meso-tetra(N-methyl-4-pyridyl) porphine t...

OBJECTIVE To compare off-the-shelf digital imaging equipment with a standard single lens reflex 35-mm endoscopic camera in a busy pediatric ears, nose, and throat setting. DESIGN Two digital cameras with an endoscope adapter and a step-down ring were evaluated to obtain optimal settings for digital endoscopic photography. The equipment was used in various clinical and surgical settings to inc...

abstract alstroemeria is one of the most important cut flowers in the world which is multiplicated by rhizome explants in in vitro conditions . the major problem in using rhizome explants is fungal and bacterial contamination which inhibit the preparation of strill explants. therefor in this experiment, the effect of disinfecting compounds like sodium hypochlorite, mercury chloride, nano silver...

A fall in extracellular pH increased membrane conductance of the giant cell in the abdominal ganglion of Aplysia californica. Chloride conductance was trebled whereas potassium conductance was increased by 50%. Half the giant cells were hyperpolarized (2-8 mv) and half were depolarized (3-10 mv) by lowering the pH. The hyperpolarizing response always became a depolarizing response in half-chlor...

Electron probe x-ray microanalysis of the composition of rabbit portal anterior mesenteric vein smooth muscle was performed following sodium loading and washout into sodium-free lithium solutions. Sodium and lithium were also measured with atomic absorption spectrophotometry. Cellular uptake of sodium and loss of potassium during sodium loading were much faster at high (37 degrees C) than at lo...

1. The release of catecholamines (CA) from rat adrenal incubated in vivo in Locke solution was studied. 2. Acetylcholine-induced release of CA and CA release by 56 mM KCl were inhibited by verapamil and lanthanum chloride which block calcium permeability. 3. CA secretion induced by salbutamol or by theophylline was unaffected by either verapamil or lanthanum chloride. 4. Dantrolene-sodium inhib...