Emissivity is defined as the ratio of the energy radiated by an object at a given temperature to the energy emitted by a perfect radiator, or blackbody, at the same temperature. The emissivity of a blackbody is 1.0. All values of emissivity fall between 0.0 and 1.0.
Ceftobiprole has been described as fifth-generation cephalosporin, though acceptance for this terminology is not universal. Ceftobiprole has powerful antipseudomonal characteristics and appears to be less susceptible to development of resistance.
Although ceftriaxone has beenshown to have been as effective as cefazolin in the prevention of infec-tion following coronary artery bypass surgery, no placebo-controlled tri-als have been conducted to evaluate any cephalosporin antibiotic in theprevention of infection following coronary artery bypass surgery.