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Um estudo para determinar a carga biológica das máscaras de oxigénio por radiação gama by Aneeqa Javed, Rasheeda Bashir, Shagufta Naz

Um estudo para determinar a carga biológica das máscaras de oxigénio por radiação gama

by Aneeqa Javed , Rasheeda Bashir , Shagufta Naz
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Book cover type: Paperback
  • ISBN13: 9786209521256
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Edicoes Nosso Conhecimento
  • Publisher Imprint: Edicoes Nosso Conhecimento
  • Publication Date:
  • Pages: 76
  • Original Price: GBP 38.0
  • Language: Portuguese
  • Edition: N/A
  • Item Weight: 114 grams
  • BISAC Subject(s): Life Sciences / Microbiology

Este estudo centra-se na determina��o da carga biol�gica de m�scaras de oxig�nio fabricadas por tr�s empresas diferentes e na otimiza��o da dose de radia��o gama para a elimina��o da carga biol�gica. A carga biol�gica foi identificada atrav�s da realiza��o de an�lises morfol�gicas por colora��o de Gram e caracteriza��o bioqu�mica por tira API 20E. Os resultados confirmaram a presen�a de tr�s tipos diferentes de bact�rias: Bacillus subtilis, Staphylococcus epidermidis e Staphylococcus aureus. As m�scaras de oxig�nio que apresentavam a carga biol�gica m�xima foram enviadas para a Pakistan Radiation Services (PARAS) para irradia��o em tr�s doses diferentes selecionadas: 20 kGy, 25 kGy e 30 kGy. Embora 25 kGy fosse recomendado para a esteriliza��o de dispositivos m�dicos descart�veis, neste caso, a elimina��o eficaz e completa da carga biol�gica foi alcan�ada com a dose de 30 kGy. M�scaras de oxig�nio esterilizadas de forma inadequada s�o respons�veis por causar infec��es secund�rias em pacientes imunocomprometidos. Assim, m�scaras de oxig�nio esterilizadas por meio de radia��o gama otimizada ajudam a elevar o padr�o de sa�de p�blica, prevenindo o risco de infec��es.

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