Rapid antimicrobial susceptibility testing of patient urine samples using large volume free-solution light scattering microscopy

Manni Mo, Yunze Yang, Fenni Zhang, Wenwen Jing, Rafael Iriya, John Popovich, Shaopeng Wang, Thomas Grys, Shelley E. Haydel, Nongjian Tao

Research output: Contribution to journalArticle

Abstract

The emergence of antibiotic resistance has prompted the development of rapid antimicrobial susceptibility testing (AST) technologies that will enable evidence-based treatment and promote antimicrobial stewardship. To date, many rapid AST methods have been developed, but few are able to be performed on clinical samples directly. Here we developed a large volume light scattering microscopy technique that tracks phenotypic features of single bacterial cells directly in clinical urine samples without sample enrichment or culturing. The technique demonstrated rapid (90 min) detection of Escherichia coli in 24 clinical urine samples with 100% sensitivity and 83% specificity and rapid (90 min) AST in 12 urine samples with 87.5% categorical agreement with two antibiotics, ampicillin and ciprofloxacin.

Original languageEnglish (US)
Pages (from-to)10164-10171
Number of pages8
JournalAnalytical Chemistry
Volume91
Issue number15
DOIs
StatePublished - Aug 6 2019

Fingerprint

Free volume
Light scattering
Microscopic examination
Testing
Anti-Bacterial Agents
Ampicillin
Ciprofloxacin
Escherichia coli

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Rapid antimicrobial susceptibility testing of patient urine samples using large volume free-solution light scattering microscopy. / Mo, Manni; Yang, Yunze; Zhang, Fenni; Jing, Wenwen; Iriya, Rafael; Popovich, John; Wang, Shaopeng; Grys, Thomas; Haydel, Shelley E.; Tao, Nongjian.

In: Analytical Chemistry, Vol. 91, No. 15, 06.08.2019, p. 10164-10171.

Research output: Contribution to journalArticle

Mo, Manni ; Yang, Yunze ; Zhang, Fenni ; Jing, Wenwen ; Iriya, Rafael ; Popovich, John ; Wang, Shaopeng ; Grys, Thomas ; Haydel, Shelley E. ; Tao, Nongjian. / Rapid antimicrobial susceptibility testing of patient urine samples using large volume free-solution light scattering microscopy. In: Analytical Chemistry. 2019 ; Vol. 91, No. 15. pp. 10164-10171.
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