introduction : the aim of this in vitro study was to evaluate the effect of smear layer on the push-out bond strength of white mineral trioxide aggregate (wmta) with and without disodium hydrogen phosphate (na 2 hpo 4 ). materials and methods: dentin discs with standard cavities were obtained from extracted human single-rooted teeth and divided to 4 groups ( n =15) according to the irrigation r...

No significant differences were found in the reactions of irradiated, normal, or partially parathyroidectomized rabbits to injections of calcium chloride or disodium hydrogen phosphate. Intravenous injections of calcium chloride caused only a transient rise in blood calcium, which returned to its former level within a few hours. The upper level of blood calcium concentration is independent of p...

The dye reagent is buffered by M/10 phosphate salts at pH 7.4 and is prepared by dissolving 12.07 gm. anhydrous disodium hydrogen phosphate powder, 2.04 gm. potassium dihydrogen phosphate crystals, 2.60 gm. sodium arsenite powder, and 2.10 gm. sodium fluoride powder in 1 L. of distilled water. Sufficient 2,6-dichlorobenzenoneindophenol sodium is added to bring the absorbance of the solution to ...

XALATAN Sterile Ophthalmic Solution (latanoprost ophthalmic solution) is supplied as a sterile, isotonic, buffered aqueous solution of latanoprost with a pH of approximately 6.7 and an osmolality of approximately 267 mOsmol/kg. Each mL of XALATAN contains 50 micrograms of latanoprost. Benzalkonium chloride, 0.02% is added as a preservative. The inactive ingredients are: sodium chloride, sodium ...

We investigated differences between goat and cow milk by exploring the factors influencing milk stability by testing the heat coagulation time. Heat-stable milk samples were characterized by a higher pH, a lower heating temperature, a lower calcium concentration, a higher concentrations of EDTA-2Na, phosphate and citrate. However the sucrose concentration caused different patterns of heat stabi...

The objective of the present study was to formulate and evaluate nasal delivery system contains Ondansetron hydrochloride 4 mg/ml. Ondansetron hydrochloride loaded colloidal dispersion were prepared for nasal drug delivery using various polymers like β-cyclodextrin, hydroxyl propyl βcyclodextrin at different concentrations. The optimized formulation contains 0.02% benzalkonium chloride as a pre...

Exo-polysaccharides like dextran produced by Weissella sp. have a wide range of applications in the food, pharmaceutical and other industries. This biopolymer and its derivatives like iron dextran, clinical dextran are rapidly emerging as a new and industrially important products. Dextran a polymer of glucose is produced using sucrose rich media with nitrogen source. It also requires efficient ...

The use of accelerated temperature stability studies using the Arrhenius relationship is routine for estimating the stability of a drug at room temperature. Therefore, the acceleration method is used to determine the expiration date of dexamethasone aqueous formulation manufactured in Iran. A high-performance liquid chromatography (HPLC) method utilizing ultraviolet (UV) detection for dexa...

the use of accelerated temperature stability studies using the arrhenius relationship is routine for estimating the stability of a drug at room temperature. therefore, the acceleration method is used to determine the expiration date of dexamethasone aqueous formulation manufactured in iran. a high-performance liquid chromatography (hplc) method utilizing ultraviolet (uv) detection for dexametha...