introduction: microorganisms and microbial products are the main etiologic factors in pulp and periapical diseases. the present study aimed to compare the antifungal activity of two different sealers, ah-26 and mta fillapex against three strains of candida, 24, 48, 72 h and 7 days after mixing. methods and materials: the microorganisms used in this study were candidia albicans ( atcc 10231) , c...

macaroni is one of the favorite dishes in iranian,s family food program. in this study, effects of using different level of curcumin as a natural and functional component extracted from curcuma longa plant, against total count , total coliforms, psychrotrophic bacteria, yeasts and moulds and colorimetric properties of macaroni in comparison with beta carotene and turmeric as commercial color ad...

background bacterium-bacterium antagonistic interactions could be important in the ecology of marine bacteria. antimicrobial properties of microorganisms are exploited in various fields of human activities. objectives antagonism of heterotrophic bacteria from different marine environments of tropical and temperate zones was examined. materials and methods bacteria were isolated from biofilm sam...

medicinal plants are a source of great economic value all over the world. nature has bestowed on us a very rich botanical wealth and large number of diverse types of plants grows in different parts of the country. in this study the in vitro antimicrobial activity of crude ethanolic, methanolic and water extracts of the stem bark of o.basilicum were investigated. the extracts exhibited antimicro...

conclusions the emergence of streptococcus pneumoniae strains with multiple resistance needs permanent monitoring of antibiotic susceptibility patterns of clinical isolates. we have found that ceftazidime is not a suitable drug for choosing the treatment of pneumococcal infections. results the study showed that three strains (6%) and six strains (12%) indicated intermediate resistance and compl...

milk proteins provide a natural source of bioactive peptides with potential health benefits and applications in the food industry. the release of these peptides from milk proteins is achieved either by hydrolysis using digestive proteases or by lactic acid bacteria fermentation. peptides, particularly those derived from milk proteins, can exert a wide range of nutritional, functional and biolog...

substituted schiff bases (hydrazones) 5a-j have been prepared from the starting material 2-chloro pyridine-3-carboxylic acid 1 by a sequence of reactions like reaction with 2-amino-6-nitro benzothiazole (ullamann condensation), thionyl chloride, hydrazine hydrate and different aromatic aldehydes. on cyclocondensation of 5a-j with thioglycolic acid in dry 1,4-dioxane furnished desired compounds ...

background: the prevalence of antimicrobial resistance among enterobacteriaceae is increasing worldwide. identification of pathogens and their resistance to antimicrobials is mandatory for successful empiric antibiotic treatment. the aim of this study was to investigate the prevalence of antimicrobial resistance of enterobacteriaceae isolated from hospital-acquired and community-acquired infect...

background and objectives: neisseria gonorrhoeae is the second most sexually transmitted diseases agents in developing countries. antimicrobial resistance strains have created serious health concern. the aim of this study was to determine the frequency of endocervical gonococcal infection and antimicrobial susceptibility of n.gonorrhoeae in kashan, iran. materials and methods: in this study, 29...

background: we reviewed the monthly laboratory surveillance reports and hospital laboratory database in dhahira region, oman. methods: all patients for whom a stool sample examination request was made from 1 st january 2002 to 31 st december 2006 (5 years) were included in the study. antimicrobial resistance pattern was studied for 2 years period. the cultures were done using standard laborator...