background and aim: in recent years, due to the indiscriminate and irrational use of synthetic drugs, the resistance of pathogenic microorganisms has increased; therefore, new compounds are vitally needed. the purpose of this study was to investigate the effect of ethanolic and aqueous extracts of berberis vulgaris on escherichia coli, klebsiella pneumoniae, proteus mirabilis, citrobacter frund...

Minimum inhibitory concentrations (MICs) are defined as the lowest concentration of an antimicrobial that will inhibit the visible growth of a microorganism after overnight incubation, and minimum bactericidal concentrations (MBCs) as the lowest concentration of antimicrobial that will prevent the growth of an organism after subculture on to antibiotic-free media. MICs are used by diagnostic la...

Actinospectacin, a broad-spectrum antibiotic derived from Streptomyces spectabilis, was released for clinical trials more than 10 years ago. Although it possesses activity against many micro-organisms, both Gram-positive and Gram-negative, its use has been limited mainly to the treatment of gonorrhoea. Its efficacy in the treatment of this disease has been reported by a number of investigators....

conclusions the kin gingival chlorhexidine mouthwash has a greater effect than behsa and boht mouthwashes on oral microorganisms and is recommended to be used for plaque chemical inhibition. results the mics for kin gingival, behsa and boht mouthwashes were 0.14, 0.48 and 1000 micrograms/ml using the tube method for s. mutans, respectively. the mbcs for the mentioned mouthwashes were 0.23, 1.9 ...