Comprehensive characterization of indoor airborne bacterial profile
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AbstractThis is the first detailed characterization of the airborne bacterial profiles in indoor environments. Two restaurants were selected for this study. Fifteen genera of bacteria were isolated from each restaurant and identified by three different bacterial identification systems including MIDI, Biolog and Riboprinter (R). The dominant bacteria of both restaurants were Gram-positive bacteria in which Micrococcus and Bacillus species were the most abundant. Most bacteria identified were representative species of skin and respiratory tract of human, and soil. Although the bacterial levels in these two restaurants were below the limit of the Hong Kong Indoor Air Quality Objective (HKIAQO) Level 1 standard (i.e., < 500 cfu/M-3), the majority of these bacteria were opportunistic pathogens. These results suggested that the identity of airborne bacteria should also be included in the IAQ to ensure there is a safety guideline for the public.
All Author(s) ListChan PL, Yu PHF, Cheng YW, Chan CY, Wong PK
Journal nameJournal of Environmental Sciences
Volume Number21
Issue Number8
Pages1148 - 1152
LanguagesEnglish-United Kingdom
Keywordsairborne bacterial profile; bacterial identification; indoor air quality
Web of Science Subject CategoriesEnvironmental Sciences; ENVIRONMENTAL SCIENCES; Environmental Sciences & Ecology

Last updated on 2021-19-09 at 23:52