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Nothing contained herein shall be construed as granting by implication, estoppel or otherwise any license or right under any patent or trademark of Beckman Coulter or any third party. Except as expressly provided above, nothing contained herein shall be construed as granting any license or right under any Beckman Coulter copyright. Government Users Restricted Rights - As per GSA ADP Schedule Contract with Beckman Coulter, Inc., the use, duplication or disclosure is restricted as follows: Beckman Coulter hereby authorizes user to copy those documents published on the World Wide Web by Beckman Coulter, for noncommercial use, and only within the user's organization. All other trademarks are the property of their respective owners. in the United States and other countries. Beckman Coulter, the stylized logo, and the Beckman Coulter product and service marks mentioned herein are trademarks or registered trademarks of Beckman Coulter, Inc. MALDI Biotyper is the property of Bruker Daltonik GmbH. “Integrating Rapid Pathogen Identification and Antimicrobial Stewardship Significantly Decreases Hospital Costs.” Arch Lab Med, 2013, 137:1247–54.Ĩ. “Impact of Rapid Organism Identification via MALDI-TOF Combined with Antimicrobial Stewardship Team Intervention in Adult Patients with Bacteremia and Candidemia.” Clin Infect Dis, 2013, 57:1237–45.ħ. “Application and Use of Various Mass Spectrometry Methods in Clinical Microbiology.” Clin Microbiol Infect. Review Paper - Tackling a crisis for the health and wealth of nations_1.pdf. "Antimicrobial Resistance: Tackling a Crisis for the Health and Wealth of Nations." The Review on Antimicrobial Resistance, 2014. "Detect and Protect Against Antibiotic Resistance.". Department of Health and Human Services Centers for Disease Control and Prevention.
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"Detect and Protect Against Antibiotic Resistance" Fact Sheet.Ģ. MALDI-TOF can analyze a wide range of masses, but is best used for determination of MW >1 kD. Centers for Disease Control and Prevention. MALDI (Matrix Assisted Laser Desorption Ionization) is a mass spectroscopy (MS) technique whereby a sample consisting of an analyte in a matrix is irradiated and the molecular weight is determined using time of flight (TOF) MS. The accuracy of the Bruker MALDI Biotyper as a microorganism identification system, together with its associated libraries, is considered comparable to 16S rRNA gene sequencing (the gold standard) and is globally recognized as the clinical laboratory standard for microbial identification.ġ.
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Lighter ions take less time to travel to the detector heavier ions take more time.Ī software application identifies the sample by comparing the resulting pattern of mass peaks to a library of known patterns. The system measures the analytes’ time of flight to the detector and produces a characteristic spectrum. The ionized molecules are subsequently accelerated by a potential difference and fly through the field-free, high-vacuum flight tube towards the detector. A laser strikes the target-a sample fixed to a solid surface with a matrix compound-converting the protein molecules into gas without fragmenting or decomposing them. In mass spectrometry analysis, sample protein molecules are converted into ions in the gas phase and measured for their mass-to-charge (m/z) ratio. Figure 1. Depiction of internal MALDI-TOF mass spectrometry process.