We developed a polymerase chain reaction method in order to detect and identify both Yersinia pseudotuberculosis and pathogenic Yersinia enterocolitica. Polymerase chain reaction was performed by using a mixture of primers against the inv gene from Y. pseudotuberculosis and the ail gene from pathogenic Y. enterocolitica. Further addition of primers against the plasmid-coded virF gene from Y. en...

In order to take care of the many inquiries constantly received on this subject, the Pan Ameritan Sanitary Bureau has prepared this brief account with the hope that the suggestions offered may prove of practica1 value to persons contemplating extended trips or temporary residence in the tropics. The tropics present a great variety of health problems, the complexity of which is enhanced by varia...

Much of the work in loop quantum gravity and quantum geometry rests on a mathematically rigorous integration theory on spaces of distributional connections. Most notably, a diffeomorphism invariant representation of the algebra of basic observables of the theory, the Ashtekar-Isham-Lewandowski representation, has been constructed. Recently, several uniqueness results for this representation hav...

This paper deals with the design and parameter identification of hydrodynamic models based on the mass density conservation equation properly closed by suitable relations linking mass velocity to the local density profiles. The contents are proposed in three parts. First, various experimental data are phenomenologically interpreted and constrained into suitable analytic models. Then the above m...

Following this will be q program of semi-classical, popular, and military music. Arrangements will be so varied that everybody should find some p|eces of especial Meres t . "Just ail Echo in the Valley," current song hit, will be followed by the march, "Reign of Rhythm." Then will come "Atlantis," suite in four parts. "Dinah", with which the band j won much fame during the football season, and ...

Yersinia enterocolitica and other Yersinia species, such as Y. pseudotuberculosis, Y. bercovieri, and Y. intermedia, were differentiated using Fourier transform infrared spectroscopy (FT-IR) combined with artificial neural network analysis. A set of well defined Yersinia strains from Switzerland and Germany was used to create a method for FT-IR-based differentiation of Yersinia isolates at the ...

Sixty strains of Yersinia enterocolitica from five serogroups (O:3; O:9; O:8; O:5; and O:5,27) and eight non-Y. enterocolitica strains, recovered from diverse sources (humans, animals, food, and the environment) in Europe, Argentina, and the United States, were examined by the pulsed-field gel electrophoresis (PFGE) technique of contour clamped homogeneous electric field electrophoresis (CHEF) ...