a special type of silica-based columns has been recently introduced into the market which is called narrow-bore columns. they have lower internal volume than the standard high-performance liquid chromatography (hplc) columns and thus reduce the solvent consumption by almost 80%.    a simple, accurate and environmentally friendly reversed phase- hplc (rp-hplc method) which could be used in fast ...

propranolol, a prototypical b-adrenergic receptor antagonist and atenolol, a cardio-selective b-antagonist are widely used in therapeutic regimens for treatment of hypertensive patients. in iran, several pharmaceutical manufacturers formulate these two b-blockers. as the formulation of a dosage form is essential for the patient's safety and drug efficacy, in this study we aimed to evaluate...

       Propranolol, a prototypical b-adrenergic receptor antagonist and atenolol, a cardio-selective b-antagonist are widely used in therapeutic regimens for treatment of hypertensive patients. In Iran, several pharmaceutical manufacturers formulate these two b-blockers. As the formulation of a dosage form is essential for the patient's safety and drug efficacy, in this study we aimed to evalu...