Benchmarking the effectiveness of deep-ultraviolet light sources against a variety of pathogens
One of the critical developments in air and surface disinfection is the use of deep-ultraviolet (DUV) radiation. This method is known as UV germicidal irradiation (UVGI). UVGI involves the use of UVC radiation with wavelengths of 200 to 280 nm, which are in the germicidal range. Currently, the most...
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| Format: | Final Year Project |
| Language: | English |
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Nanyang Technological University
2024
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| Online Access: | https://hdl.handle.net/10356/181608 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | One of the critical developments in air and surface disinfection is the use of deep-ultraviolet (DUV) radiation. This method is known as UV germicidal irradiation (UVGI). UVGI involves the use of UVC radiation with wavelengths of 200 to 280 nm, which are in the germicidal range. Currently, the most common DUV light source is the mercury lamp. However, the use of mercury will eventually be phased out due to its harmful effects on human health and the environment. DUV light-emitting diodes (LEDs) and cathodoluminescent (CL) DUV light sources are potential alternatives to the mercury lamp which are being explored in this project. This report will compare the optical performance and the germicidal efficiency of these DUV light sources on various pathogens. |
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