OBJECTIVE The aim of the present study was to determine the in vitro maximum inhibitory dilution (MID) of two chlorhexidinebased oral mouthwashes (CHX): Noplak, Periogard, and one polyhexamethylene biguanide-based mouthwash (PHMB): Sanifill Premium against 28 field Staphylococcus aureus strains using the agar dilution method. MATERIALS AND METHODS For each product, decimal dilutions ranging f...

Fifty-six Staphylococcus aureus isolates recovered between 1998 and 2003 from 31 rabbit farms with and without problems of chronic staphylococcosis, were screened for resistance to enrofloxacin, erythromycin, gentamicin, lincomycin, neomycin, penicillin and tetracyclines using the agar dilution test. For penicillin, a disk diffusion test was also performed. The detection of tetP(B), tet(K), tet...

The purpose of this study is to evaluate the antimicrobial effect of Iranian mineral trioxide aggregate (IMTA) and NanoSilver–IMTA (NS–IMTA) at clinical concentrations against Fusobacterium nucleatum, a Gram-negative anaerobic bacterium, which is one of the most prevalent taxa in the infected apical root canal system, chronic suppurative apical periodontitis and endodontic flare-ups. We combine...

B.W. Senior. 1968. Agar diffusion method for the assay of colicins. Appl. Microbiol. 16:1768-1774. 8.Sahin, G., E. Palaska, M. Ekizoglu, and M. Ozalp. 2002. Synthesis and antimicrobial activity of some 1,3,4-oxadiazole derivatives. Farmaco. 57:539-542. 9.Schumacher, U.K. 1997. Comparison of the Etest and a microbroth dilution system (Sceptor) to a reference agar dilution method for susceptibili...

  Background and Objective: Organisms producing CTX-M β-lactamases are emerging as a source of resistance to oxyiminocefalosporins such as ceftriaxone and ceftazidime. However, the laboratory detection of these strains is not well defined. In this study, phenotypic assay for screening of extended-spectrum β-lactamases producing strains and molecular assay for the identification of CTX-M β-lact...

Evaluation of an Agar Dilution Method for Identification of Extended-Spectrum Beta-Lactamase (ESBL)-Producing Klebsiella pneumoniae in the Environment