UV Light Inactivation of Bacterial Biothreat Agents | Zendy

Laura J. Rose | Zendy; Heather O’Connell | Zendy

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UV Light Inactivation of Bacterial Biothreat Agents

Author(s) -

Laura J. Rose,

Heather O’Connell

Publication year - 2009

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.02180-08

Subject(s) - bacillus anthracis , microbiology and biotechnology , spore , biology , log reduction , bacteria , food science , chemistry , genetics

Seven species of bacterial biothreat agents were tested for susceptibility to UV light (254 nm). All gram-negative organisms tested required <12 mJ/cm(2) for a 4-log(10) reduction in viability (inactivation). Tailing off of the B. anthracis spore inactivation curves began close to the 2-log(10) inactivation point, with a fluence of approximately 40 mJ/cm(2), and 3-log(10) inactivation still was not achieved with a fluence of 120 mJ/cm(2).

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