he author presents a protocol for decontamination of N95 filter masks by means of short wave ultraviolet irradiation (UV-C), as well as the results of the microbiological
validation testing of the UV-C device and qualitative research on the adherence of
professionals from the João de Barros Barreto University Hospital, of the University
Hospital Complex of the Federal University of Pará (HUJBB) to the aforementioned
protocol. The microbiological tests demonstrated the efficacy of the decontamination
protocol, as there was no bacterial growth in culture media inoculated with swabs of
masks used in the hospital and decontaminated in the UV-C device, which proved the
germicidal efficiency of UV-C irradiation. The results of the qualitative research point to
the adherence of nursing professionals to the practice of mask decontamination,
recognizing the practicality and contribution of the protocol to biosafety and occupational
safety. As part of the same protocol, an alternative packaging for storing masks in the
intervals of use of N95 masks is presented, considering their safe reuse. The protocol also
has the following advantages: low cost and practicality of use, in addition to contributing
to the reduction of infectious waste.
Descriptors: Decontamination. Ultraviolet Rays. Radiation Dosimeters. Personal
Protective Equipment. Respiratory Protection Devices. biosecurity.he author presents a protocol for decontamination of N95 filter masks by means of short wave ultraviolet irradiation (UV-C), as well as the results of the microbiological
validation testing of the UV-C device and qualitative research on the adherence of
professionals from the João de Barros Barreto University Hospital, of the University
Hospital Complex of the Federal University of Pará (HUJBB) to the aforementioned
protocol. The microbiological tests demonstrated the efficacy of the decontamination
protocol, as there was no bacterial growth in culture media inoculated with swabs of
masks used in the hospital and decontaminated in the UV-C device, which proved the
germicidal efficiency of UV-C irradiation. The results of the qualitative research point to
the adherence of nursing professionals to the practice of mask decontamination,
recognizing the practicality and contribution of the protocol to biosafety and occupational
safety. As part of the same protocol, an alternative packaging for storing masks in the
intervals of use of N95 masks is presented, considering their safe reuse. The protocol also
has the following advantages: low cost and practicality of use, in addition to contributing
to the reduction of infectious waste.
Descriptors: Decontamination. Ultraviolet Rays. Radiation Dosimeters. Personal
Protective Equipment. Respiratory Protection Devices. biosecurity.he author presents a protocol for decontamination of N95 filter masks by means of short wave ultraviolet irradiation (UV-C), as well as the results of the microbiological
validation testing of the UV-C device and qualitative research on the adherence of
professionals from the João de Barros Barreto University Hospital, of the University
Hospital Complex of the Federal University of Pará (HUJBB) to the aforementioned
protocol. The microbiological tests demonstrated the efficacy of the decontamination
protocol, as there was no bacterial growth in culture media inoculated with swabs of
masks used in the hospital and decontaminated in the UV-C device, which proved the
germicidal efficiency of UV-C irradiation. The results of the qualitative research point to
the adherence of nursing professionals to the practice of mask decontamination,
recognizing the practicality and contribution of the protocol to biosafety and occupational
safety. As part of the same protocol, an alternative packaging for storing masks in the
intervals of use of N95 masks is presented, considering their safe reuse. The protocol also
has the following advantages: low cost and practicality of use, in addition to contributing
to the reduction of infectious waste.
Descriptors: Decontamination. Ultraviolet Rays. Radiation Dosimeters. Personal
Protective Equipment. Respiratory Protection Devices. biosecurity.he author presents a protocol for decontamination of N95 filter masks by means of short wave ultraviolet irradiation (UV-C), as well as the results of the microbiological
validation testing of the UV-C device and qualitative research on the adherence of
professionals from the João de Barros Barreto University Hospital, of the University
Hospital Complex of the Federal University of Pará (HUJBB) to the aforementioned
protocol. The microbiological tests demonstrated the efficacy of the decontamination
protocol, as there was no bacterial growth in culture media inoculated with swabs of
masks used in the hospital and decontaminated in the UV-C device, which proved the
germicidal efficiency of UV-C irradiation. The results of the qualitative research point to
the adherence of nursing professionals to the practice of mask decontamination,
recognizing the practicality and contribution of the protocol to biosafety and occupational
safety. As part of the same protocol, an alternative packaging for storing masks in the
intervals of use of N95 masks is presented, considering their safe reuse. The protocol also
has the following advantages: low cost and practicality of use, in addition to contributing
to the reduction of infectious waste.
Descriptors: Decontamination. Ultraviolet Rays. Radiation Dosimeters. Personal
Protective Equipment. Respiratory Protection Devices. biosecurity.he author presents a protocol for decontamination of N95 filter masks by means of short wave ultraviolet irradiation (UV-C), as well as the results of the microbiological
validation testing of the UV-C device and qualitative research on the adherence of
professionals from the João de Barros Barreto University Hospital, of the University
Hospital Complex of the Federal University of Pará (HUJBB) to the aforementioned
protocol. The microbiological tests demonstrated the efficacy of the decontamination
protocol, as there was no bacterial growth in culture media inoculated with swabs of
masks used in the hospital and decontaminated in the UV-C device, which proved the
germicidal efficiency of UV-C irradiation. The results of the qualitative research point to
the adherence of nursing professionals to the practice of mask decontamination,
recognizing the practicality and contribution of the protocol to biosafety and occupational
safety. As part of the same protocol, an alternative packaging for storing masks in the
intervals of use of N95 masks is presented, considering their safe reuse. The protocol also
has the following advantages: low cost and practicality of use, in addition to contributing
to the reduction of infectious waste.
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