world apricot (prunus armeniaca l.)  production is increasing steadily due to breeding of new high yielding cultivars in different countries. more recently, breeding programs have been modified according to consumers’ demands and also improvement in resistance to diseases (sharka, monilinia etc.), frost damages, and determination of self-(in) compatibility. in this study, fourteen apricot breed...

purpose : to determine the prevalence of the uncorrected refractive errors in bojnourd students methods : in a cross-sectional study, the samples were selected proportionate to the population of the schools using stratified randomized cluster sampling. the target population was the primary and junior high school students of the city of bojnourd. visual acuity (va) (snellen chart) and cycloplegi...

culture as the philosophy of life refers to the values, norms and rules, and actual behaviorwhich is taken over by man from the past generations, and to leave it to next generation in a differentform, separates individuals belonging to the culture from individuals belonging to other cultures.each of these different attitudes describes the degree to which the culture values the past, the present...

new biodegradable network polymers containing siloxane-linked polymeric prodrugs of 5-ammino-2-hydroxybenzoic acid (5-asa) in the main chain were prepared by ter polymerization of methacrylic acid (ma), 2-hydroxyethylmethacrylate (hema), and bis (trimethylsilyloxy) methylsilane (vbm) in the presence of some new cross-linking agents.the monomers and polymers were characterized by ft-ir and 1h-nm...

b a ckground: s taphylococcus aureus (s. aureus) has remained always an important pathogen of common infections acquired in community and as  well as serious nosocomial infections. with advent of penicillins and cephalosporins, infections could be effectively treated, but with the global emergence of methicillin resistant staphylococcus aureus strains (mrsa) physicians were  again left  with li...

opening frontiers has led in the last two decades to a massive migration of romanians to spain and italy, two countries known to have large areas planted with olives. romania owns large areas planted with ash forests. because of cross-reactivity between these two trees belonging to the oleaceae family and the big allergenic potential of olive pollens, after a number of years of residence in the...

purpose : to determine the distribution of iris colors in the population of tehran and to assess possible associations between iris color and ocular disorder methods : through a stratified random cluster sampling approach, 160 clusters were selected in different municipality districts of tehran, and the approached households were invited to a clinic. after the initial interview, all participant...

lidocaine (lc) is a local anesthetic agent. the aim of this study was to prolong the anesthetic effect of this drug in the oral cavity in the treatment of oral mucositis. films of lc were prepared with three different molecular weights (mw) of chitosan in three different concentrations (1-3%) and were then cross-linked by solvent casting evaporation method with tripolyphosphate penta sodium sal...

background: methicillin resistant staphylococcus aureus (mrsa) is a common major human pathogen that causes hospital-acquired infections. characterization and typing of the staphylococcal cassette chromosome has led to a better understanding of mrsa infection cycle in hospital. the meca-associated hypervariable region size classifies mrsa isolates that colonized in nasal carriers. objectives: t...