objective: the aim of the present study was to evaluate the structure and distribution of glycoconjugates during molar tooth germ development in mice materials and methods: sixteen tooth germs were obtained from balb/c mice embryos 15 to 18 days post-gestation and fixed in 10% formalin. after routine tissue processing, 5 μm sections were cut and stained with bsa1-b4 and pna using the lectin his...

there is a growing concern about the application of molecular methods in epidemiological studies of infectious diseases. the objective of this study was to determine the genetic stability of methicillin resistance genes in staphylococcus aureus for the evaluation of resistance strain distribution. one hundred and fifteen s. aureus isolates from patients with staphylococcal infection were collec...

this study examined naturally-occurring university classroom interactions at iranian universities and provided an analysis of silence patterns as politeness strategies used by male and female students. since empirical studies of silence in classroom settings are scarce, this paper aimed to explain such phenomena using participant interviews, classroom observation and detailed discourse analysis...

purchase and consumption are an inseparable part of man’s social actions and play a vital role in allocating resources for the production of various products, their distribution pattern as well as economic, political and social development. if this issue is to be seen from the perspective of consumer behavior, consumption patterns and purchasing are considered a cultural phenomenon to be explai...