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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Photochem+Photobiol+B
2020 ; 207
(ä): 111869
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Portable pulsed xenon ultraviolet light disinfection in a teaching hospital
animal laboratory in China
#MMPMID32278270
Li JJ
; Wang SN
; Qiao JJ
; Chen LH
; Li Y
; Wu Y
; Ding YX
; Wang MM
; Tian Y
; Liu YB
; Yan C
; Zhang C
; Gao CQ
J Photochem Photobiol B
2020[Jun]; 207
(ä): 111869
PMID32278270
show ga
An animal laboratory in a teaching hospital is a possible cause of cross
infection. We aimed to assess the infection control in our animal laboratory and
evaluate the disinfectant effects of a portable pulsed xenon ultraviolet (PX-UV)
machine. Samples were taken from the surface of research tables, other high touch
places, such as doorknobs, weighing scales, and handles of trolleys, and from air
in the barrier system pre- and post-manual cleaning and post-PX-UV disinfection.
The bacteria types were identified. We found that routine manual cleaning
significantly reduced bacterial colony form unit (CFU)/cm(2) (P = .02), and the
median of CFU/cm(2) reduced from 0.5 pre-cleaning to zero post-cleaning. PX-UV
disinfection also significantly reduced residual bacterial counts (P = .002),
with the highest counts 10 pre-PX-UV disinfection and 1 afterwards. Without
manual cleaning, PX-UV disinfected surfaces significantly (P < .001), median
count 6 pre-PX-UV disinfection and zero afterwards. PX-UV significantly reduced
bacterial colony counts in the air with the median count falling from 6 to zero
(P < .001). Some of the 21 species of pathogens we identified in the current
study are pathogenic, resistant to antibiotics, and able to cause nosocomial
infections and zoonosis. PX-UV reduced counts of most of the pathogens. PX-UV is
an effective agent against these pathogens.