a new method was used to prepare abs/pa6 blends by in situ polymerization and compatibilization method. in this process, ε-caprolactam monomer was polymerized in presence of abs via activated anionic polymerization to produce pa6. the main ingredients of the reaction mixture included: monomer ()ε-caprolactam), catalyst na-caprolactamate), microactivator hdi)( and macro-activator sma)(. then, in...

background and objective: since the advent of mammography screening, ductal carcinoma in situ (dcis) of the breast has been diagnosed increasingly. in contrast to the situation in invasive breast carcinoma, there are only a few reports on androgen receptor (ar) status in dcis and few reports on estrogen (er) and progesterone (pr) receptors. materials and methods: ar expression was examined in 5...

purpose : this study was planned to evaluate the efficacy, safety and complication of photorefractive keratectomy (prk) as a retreatment of residual myopia after previous laser in situ keratomileusis (lasik). methods : in this descriptive study in ophthalmology ward, feiz hospital, isfahan university of medical sciences, iran, with the consideration of inclusion and exclusion criteria, 170 eyes...

This study evaluated in vitro and in situ the potential adverse effects of 10% carbamide peroxide on human enamel using microhardness, calcium loss and surface morphology analysis. Twenty-four enamel slices (4 mm2) were obtained from recently extracted premolars. The specimens were polished under water-cooling down to 1,200-grade sandpaper. After initial microhardness readings (100 g), the spec...

This work describes the stability of the selected in situ solutions for ophthalmic delivery of naphazoline hydrochloride ( FF17, FF18) and antazoline phosphate ( GG17 and GG18) based on the pH triggered concept using Carbopol 940 and HPMC K4M. The formulations were evaluated for their pH, isotonicity, gelling capacity, rheological characteristics, in vitro drug release , sterility and in vivo s...

The present investigation was aimed to formulate and characterize ion-activated in-situ gel loaded with Rizatriptan Benzoate (RIZ) for intranasal administration brain targeting. further optimized process formulation parameters by using 32 factorial design. batch having the concentrations of gellan gum HPMC E15 LV 33.83 mg 9.6 respectively. Gel strength mucoadhesive were found be 32.54 sec 2580....

PURPOSE To report the long-term (11-year) outcomes (stability and complications) of laser in situ keratomileusis (LASIK) in patients with high myopia. SETTING University refractive surgery center. METHODS Seven patients (4 with bilateral treatment and 3 with unilateral treatment) who had myopic LASIK and completed 11 years of follow-up were included in the study. RESULTS The mean age of t...