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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hwang, Jungho Park, Chul Woo Lee, Sung Hwa Park, Ji-Woon |
| Description | Author Affiliation: Park CW ( HAE Research and Development Center, LG Electronics, Seoul 153-802, Republic of Korea. Electronic address: answer10@yonsei.ac.kr.) |
| Abstract | In this study, we introduce a methodology for disrupting cell membranes with air ions coupled with ATP bioluminescence detection for real-time monitoring of bioaerosol concentrations. A carbon fiber ionizer was used to extract ATP from bacterial cells for generating ATP bioluminescence. Our methodology was tested using Staphylococcus epidermidis and Escherichia coli, which were aerosolized with an atomizer, and then indoor bioaerosols were also used for testing the methodology. Bioaerosol concentrations were estimated without culturing which requires several days for colony formation. Correlation equations were obtained for results acquired using our methodology (Relative Luminescent Unit (RLU)/m(3)) and a culture-based (Colony Forming Unit (CFU)/m(3)) method; CFU/m(3)=1.8 × measured RLU/m(3) for S. epidermidis and E. coli, and CFU/m(3)=1.1 × measured RLU/m(3) for indoor bioaerosols under the experimental conditions. Our methodology is an affordable solution for rapidly monitoring bioaerosols due to rapid detection time (cell-lysis time: 3 min; bioluminescence detection time: <1 min) and easy operation. |
| ISSN | 09565663 |
| Volume Number | 52 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-02-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Adenosine Triphosphate Isolation & Purification Air Microbiology Biosensing Techniques Methods Luminescent Measurements Aerosols Bacteria Chemistry Cytology Carbon Colony Count, Microbial Escherichia Coli Ions Staphylococcus Epidermidis Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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