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Plasmonic Colloidosome-Based Multifunctional Platform for Bacterial Identification and Antimicrobial Resistance
Jia Yi1, Xinjun Wang1,2, Yuchen Dai1
1Department of Chemistry, Shanghai Stomatological Hospital , Fudan University , Shanghai 200000 , China.
Analytical Chemistry
|October 30, 2019
Summary
Plasmonic colloidosomes offer a novel platform for rapid bacterial identification and antimicrobial resistance (AMR) detection. This advancement enhances personalized patient treatment and combats the spread of AMR.
Area of Science:
- Biotechnology
- Analytical Chemistry
- Microbiology
Background:
- Antimicrobial resistance (AMR) poses a significant global health challenge.
- Accurate and rapid bacterial identification is crucial for effective treatment and AMR containment.
Purpose of the Study:
- To investigate the use of plasmonic colloidosomes for bacterial analysis.
- To evaluate their potential in mass spectrometry (MS) and Raman scattering applications.
Main Methods:
- Utilized plasmonic colloidosomes as a platform for bacterial culture and analysis.
- Integrated the platform with matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) MS.
- Employed Raman scattering for single-cell analysis.
Main Results:
- Colloidosomes provided a stable platform for bacterial analysis.
- MALDI-TOF MS coupled with colloidosomes achieved species-level identification with high sensitivity (down to 50 cells).
- Raman scattering enabled strain-level discrimination and AMR detection at the single-cell level.
Conclusions:
- Plasmonic colloidosomes show broad potential for versatile bacterial detection and typing.
- This platform can significantly improve diagnostic speed and accuracy for bacterial infections.
- The technology aids in personalized medicine and AMR surveillance.
