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Abstract
SUMMARY
Blood-culture broths showing macroscopic or radiometric evidence of growth of gram-negative bacilli were examined by a rapid automated bacterial identification system. A differential centrifugation technique was developed to prepare suitable inocula. The identification results obtained were confirmed by the API 20E method, with single colonies of the strains isolated 24 h later. Of 90 organisms tested, seven did not give the same identification by the two systems. With the rapid automated technique a presumptive identification of gram-negative bacilli can be made 24 h earlier than by more conventional methods.
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© Society for General Microbiology, 1986