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Bacterial Identification by Matrix-Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry



Gram-Positive Cocci3

Slide 25

February 2012

Subgroup analysis was performed for the staphylococci, streptococci and enterococci and the "related genera."  Staphylococci, streptococci and enterococci subjected to extraction yielded a genus-level identification in 98% of cases and a species-level identification in 79% of cases. Staphylococci, streptococci, and enterococci tested directly from colonies yielded a genus-level identification in 63% of cases and a species-level identification in 26% of cases. The "related genera" subjected to extraction yielded a genus-level identification in 88% of cases and a species-level identification in 4% of cases. The "related genera" tested directly yielded a genus-level identification in 40% of cases and a species-level identification in 5% of cases.

Gram-Positive Cocci3

 


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