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

Bruker Biotyper MALDI TOF Mass Spectrometer versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²

February 2012

Incorrect genus identification was provided for 58 (13%) and 10 (2%) isolates using the BD Phoenix and Bruker mass spectrometry systems, respectively. Correct genus but incorrect species identification was provided for 10 (2%) and 19 (4%) of the isolates for the BD Phoenix and Bruker mass spectrometry systems, respectively.

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Bruker Biotyper versus BD Phoenix2

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Jump to section:

• Introduction
• Objectives
• How Does Mass Spectrometry Work?
• Types of Mass Spectrometry
• Matrix-Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry
• Matrix-Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry - Bruker Biotyper
• Matrix-Assisted Laser Desorption Ionization
• Matrix-Assisted Laser Desorption Ionization
• Matrix-Assisted Laser Desorption Ionization
• Time of Flight
• Mass Spectrum Generated Compared with Library (Database)
• Commercial MALDI TOF Systems for Microbial Identification
• MALDI TOF Mass Spectrometry Preparatory Extraction*
• Bacterial Identification by Mass Spectrometry
• Bacterial Identification by MALDI TOF Mass Spectrometry¹
• Bruker Biotyper MALDI TOF Mass Spectrometry versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²
• Bruker Biotyper MALDI TOF Mass Spectrometer versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²
• Bruker Biotyper MALDI TOF Mass Spectrometer versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²
• Bruker Biotyper MALDI TOF Mass Spectrometer versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²
• Bruker Biotyper MALDI TOF Mass Spectrometer versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²
• Bruker Biotyper MALDI TOF Mass Spectrometer versus BD Phoenix Automated Microbiology System Identification of Gram-Negative Bacilli²
• Identification of Gram-Positive Cocci by Bruker Biotyper Mass Spectrometry³
• Identification of Gram-Positive Cocci by Bruker Biotyper Mass Spectrometry³
• Gram-Positive Cocci³
• Gram-Positive Cocci³
• Misidentification by Bruker Biotyper³
• MALDI TOF Mass Spectrometry: Strengths
• MALDI TOF Mass Spectrometry: Limitations
• Bacteriology Laboratory Workflow Today
• Workflow with Mass Spectrometry
• References
• Acknowledgments
• Questions