Motivated by the Eulerian ribbon graph minors, in this paper we introduce notion of checkerboard colourable minors for graphs and its dual: bipartite graphs. abstract graphs, another i.e. join are also introduced. Using these then give excluded minor characterizations classes plane

A novel design method of simultaneous beam forming and focusing using a checkerboard anisotropic surface is proposed verified in this paper. The multibeam control regardless far near regions can easily be achieved through rearrangement the structure. unit cell utilized consists two identical metallic structures divided by dielectric material. When EM wave with circular polarization (CP) inciden...

Background: A. baumannii-calcoaceticus (Abc) complex has surfaced as a major nosocomial pathogen causing blood stream infection and ventilators associated pneumonia (VAP). Carbapenems have come to be the cornerstone of treatment for Abc complex. However, there has been an increased incidence of infections with carbapenem resistant strains. To validate the clinical practice of combination antibi...

We present the case of a patient with ventilator-associated pneumonia (VAP) caused by a pan-resistant Acinetobacter baumannii successfully treated with the combination colistin plus vancomycin plus rifampin, whose in vitro activity was investigated by checkerboard method and killing testing. Furthermore, the serum bactericidal activity (SBA) was assessed. Our case shows that an innovative regim...