Kohli, Roma ; Gupta, Pradeep Kumar ; Dube, Alok (2000) Helium-Neon laser preirradiation induces protection against UVC radiation in wild-type E. coli strain K12AB1157 Radiation Research, 153 (2). pp. 181-185. ISSN 0033-7587
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Abstract
We have observed that preirradiation with a helium-neon laser (632.8 nm) induces protection against UVC radiation in wild-type E. coli strain K12AB1157. The magnitude of protection was found to depend on the helium-neon laser irradiance, exposure time, and period of incubation between helium-neon laser exposure and subsequent UVC irradiation. The optimum values for dose, irradiance and interval between the two exposures were found to be 7 kJ/m2, 100 W/m2 and 1 h, respectively. The possible involvement of singlet oxygen in the helium-neon laser-induced protection is also discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Radiation Research Society. |
| ID Code: | 22340 |
| Deposited On: | 23 Nov 2010 13:01 |
| Last Modified: | 16 Feb 2011 06:55 |
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