نتایج جستجو برای: bactericidal
تعداد نتایج: 11202 فیلتر نتایج به سال:
The inadequacy of the present medical therapy of Pseudomonas aeruginosa endocarditis prompted an investigation of the in vitro activities of aztreonam, cefsulodin, and imipenem compared with that of ticarcillin against 37 strains of P. aeruginosa isolated from patients with endocarditis. Inhibitory and bactericidal activities were studied for each beta-lactam alone and in combination with tobra...
Multidrug-resistant Pseudomonas aeruginosa (MDRP) infection has become a serious clinical problem in the currently. We reported the bactericidal activity in the filtrated supernatant of Streptococcus (S.) sanguinis against P. aeruginosa. The S. sanguinis, isolated from the sputum of a pulmonary-disease patient, was cultured for overnight, and filtered supernatant was tested for bactericidal eff...
Reassessment of the ;gastric bactericidal barrier' to enteric bacteria in man included studies of the bactericidal activity of (1) the normal and achlorhydric stomach in vivo and (2) normal and achlorhydric gastric juice and other media in vitro. Within 30 minutes virtually all bacteria (Serratia marcescens) were eliminated in the normal stomach whereas no reduction occurred in the achlorhydric...
Minimum inhibitory and bactericidal concentrations of four antibiotics and their combinations were determined for 38 strains of enterococci by a microtitration tube dilution technique. The drugs were ampicillin, vancomycin, gentamicin, and streptomycin; the combinations were ampicillin-gentamicin, ampicillin-streptomycin, vancomycin-gentamicin, and vancomycin-streptomycin. At achievable serum c...
BACKGROUND Glycerol monolaurate (GML) is an antimicrobial agent that has potent activity against gram-positive bacteria. This study examines GML antibacterial activity in comparison to lauric acid, in broth cultures compared to biofilm cultures, and against a wide range of gram-positive, gram-negative, and non-gram staining bacteria. METHODOLOGY/PRINCIPAL FINDINGS GML is ≥ 200 times more effe...
BACKGROUND Meningococcal factor H binding protein (fHbp) is a promising vaccine candidate. Anti-fHbp antibodies can bind to meningococci and elicit complement-mediated bactericidal activity directly. The antibodies also can block binding of the human complement down-regulator, factor H (fH). Without bound fH, the organism would be expected to have increased susceptibility to bacteriolysis. Here...
The bactericidal pharmacodynamics of antibiotics against Escherichia coli were analyzed by a concentration-killing curve (CKC) approach, and the novel parameters median bactericidal concentration (BC(50)) and bactericidal intensity (r) for bactericidal potency were proposed. By using the agar plate method, about 500 E. coli cells were inoculated onto Luria-Bertani plates containing a series of ...
Although the literature contains a number of reports regarding the bactericidal efficiency of certain specified concentrations of sodium hydroxide against various test organisms, very little of this information is presented in a manner suitable for mathematical analysis. To obtain the data required for analysis, an experimental study was made of the bactericidal efficiency of sodium hydroxide. ...
An enhanced bactericidal activity of human serum for B. subtilis develops during many different forms of illness, e.g. carcinoma, virus and bacterial infections, and during acute coronary occlusion. This increased bactericidal effect cannot be related to leucocytosis, fever, serum complement, C-reactive protein, or a specific antibody reaction. The serum bactericidal factor becomes inactive in ...
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