a new category of hybrid organic-inorganic zirconium phosphonate, zr[(o3pch2)2nc6h4co2h].2h2o was synthesized and the applicability of the prepared sorbent as an ion-exchanger for removal of ni2+, cu2+ and zn2+ from aqueous solutions was evaluated. the characterization of the synthesis product was done using tg-dtg, sem, xrd, ft-ir techniques. study of the sorption isotherms and its kinetic par...

securigera securidaca (l.) degen & dorfl grows in different parts of iran. the seeds of the species are used in iranian folk medicine as an anti-diabetic agent. many studies have established hypoglycemic effects of amino acids and in the present investigation, amino acids of securigera securidaca seeds have been evaluated. the ground seeds were extracted using petroleum ether, hot ethanol a...

introduction: polyclonal antibodies are required to be affinity purified. improved purification methods of polyclonal antibody provide an opportunity to pick the most purified immunoglobulins as a primary or secondary antibody in immunoassays that are included in many vaccine studies. two common techniques for purifying proteins is salt precipitation and chromatography purification. our work fo...

objective: bleaching of the teeth is considered as a safe, effective, and conservative procedure to treat discolored teeth. the aim of the present study was to compare the amount of mercury and silver released from amalgam after applying two brands of carbamide peroxide 16% bleaching gel. materials and methods: for this experimental study, 384 amalgam tablets were prepared. the samples were kep...