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Comprehensive characterization of indoor airborne bacterial profile

查看全文 作　　者：P. L. [1,2]Chan;P. H. F. [2]Yu;Y. W. [1,3]Cheng;C. Y. [3]Chan;P. K. [1]Wong 高影响力作者 机构地区：[1]Department of Biology, The Chinese University of Hong Kong;[2]Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University;[3]Department of Microbiology, The Chinese University of Hong Kong高影响力机构 出　　处：《Journal of Environmental Sciences》索引2009年第21卷第8期,共5页高影响力期刊 基　　金：supported by a research grant from the Research Grant Council of the Hong Kong SAR Government, China 摘　　要：This 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 . 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/m3), 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. 关 键 词：细菌鉴定 室内空气 文件 表征 环境空气 MIDI 碳源利用 优势细菌
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