Identification of Fingerprint Peaks at the Level of E. coli Strains via Fe3O4-COOH Nanomaterials

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Identification of Fingerprint Peaks at the Level of E. coli Strains via Fe3O4-COOH Nanomaterials
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Identification of E. coli strain by MALDI-TOF MS was improved by synthesis of Fe₃O₄-COOH nanomaterials. The fingerprint peaks of E. coli strain, as well as the resolution and sensitivity of MALDI-TOF MS detection were increased by the enrichment of bacterial proteins in E. coli K-12 and DSM 30083T lysate. Results showed that E. coli K-12 had four matching peaks, while E. coli DSM 30083T had eight peaks, which thus improved the identification of E. coli strains by MALDI-TOF MS.

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HUANG Yanling, CHENG Yang, LI Chunyuan. Identification of Fingerprint Peaks at the Level of E. coli Strains via Fe3O4-COOH Nanomaterials[J]. Journal of Food Science and Biotechnology,2020,39(12):80-84.

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Online: April 06,2021
Published: December 25,2020

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