The effect of gentamicin sulphate on the fracture properties of a manually mixed bone cement. (Articolo in rivista)

Type
Label
  • The effect of gentamicin sulphate on the fracture properties of a manually mixed bone cement. (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Baleani M, Persson C, Guandalini L, Piazza E, Erani P, Squarzoni S, Viceconti M. (2007)
    The effect of gentamicin sulphate on the fracture properties of a manually mixed bone cement.
    in Fatigue & fracture of engineering materials & structures (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Baleani M, Persson C, Guandalini L, Piazza E, Erani P, Squarzoni S, Viceconti M. (literal)
Pagina inizio
  • 479 (literal)
Pagina fine
  • 488 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 30 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Bologna, 40136, Italy; ITOI CNR, Unit of Bologna c/o Istituti Ortopedici Rizzoli, Bologna, 40136, Italy (literal)
Titolo
  • The effect of gentamicin sulphate on the fracture properties of a manually mixed bone cement. (literal)
Abstract
  • This work investigates the effect of adding gentamicin, an antibiotic, on the fracture properties of bone cement. Endurance limit, fatigue crack propagation and fracture toughness were determined for a polymethylmethacrylate-based cement, containing 10% w/w of barium sulphate as radiopacifying agent, and the same formulation modified by the addition of 4.22% w/w of gentamicin sulphate. The antibiotic does not affect the endurance limit nor the fracture toughness of the material. There are significant differences in the parameters of the ParisÂ’ law fitting the crack growth data: once the main crack is nucleated, it initially propagates at a lower rate but thereafter accelerates faster in gentamicin loaded bone cement. Despite this difference, the growth rate for the same stress intensity factor remains of the same order ofmagnitude in both formulations. The addition of 4.22% w/w of gentamicin sulphate to radiopaque bone cement has a negligible total effect on the fracture properties of the material. (literal)
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