ephane Gaubert

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The influence of the endothelium on aortic contractility to KCl 100 mM was studied during maturation and aging in normotensive Wistar and spontaneously hypertensive rats (SHR). In Wistar rats, there was no significant difference in maximal responses in the course of aging whether the endothelium was present (E+) or not (E-). A similar result was obtained in(More)
The in vitro activities of six quinolone derivatives, rosoxacin, pefloxacin, ofloxacin, ciprofloxacin, A-56619 and A-56620, were compared with those of penicillin, cefotaxime, spectinomycin, chloramphenicol, tetracycline and erythromycin against 50 nonpenicillinase-producing and 15 penicillinase-producing Neisseria gonorrhoeae strains. Ciprofloxacin was the(More)
The in vitro activity of sparfloxacin was determined for 60 strains of Neisseria gonorrhoeae, 15 strains of Chlamydia trachomatis and 40 strains each of Gardnerella vaginalis, Mycoplasma hominis, and Ureaplasma urealyticum and compared with those of ampicillin, azithromycin, clarithromycin, erythromycin, ofloxacin, temafloxacin and tetracycline.(More)
The minimal inhibitory concentrations (MICs) of five new quinolones were determined by agar dilution, for 50 clinical isolates of Gardnerella vaginalis. They are compared with those of metronidazole, ampicillin, erythromycin and tetracycline which are widely used for the treatment of lower genital tract infections in women. The MICs of rosoxacin and(More)
We consider Lyapunov exponents of random iterates of monotone homogeneous maps. We assume that the images of some iterates are lines, with positive probability. Using this memory-loss property which holds generically for random products of matrices over the max-plus semiring, and in particular, for Tetris-like heaps of pieces models, we give a series(More)
We report the first isolation in France of a penicillinase-non producing Neisseria gonorrhoeae with high level tetracycline resistance. The minimal inhibitory concentrations (MICs) of nine antibiotics were determined by agar dilution for the tetracycline resistant strain and 39 other penicillinase-non producing N. gonorrhoeae strains which were isolated(More)
The set of min-max functions F : R n ! R n is the least set containing coordinate substitutions and translations and closed under pointwise max, min, and function composition. The Duality Conjecture asserts that the trajectories of a min-max function, considered as a dynamical system, have a linear growth rate (cycle time) and shows how this can be(More)
The minimal inhibitory concentration (MIC) of twelve antibiotics was determined by the method of dilution in agar for 50 non penicillinase-producing and 15 penicillinase-producing Neisseria gonorrhoeae (PPNG) strains. The commonly used antibiotics are active in vitro against all the strains. For the non PPNG stains, no difference was observed between the(More)
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