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Updated: Jun 3, 2026

One-day Workflow Scheme for Bacterial Pathogen Detection and Antimicrobial Resistance Testing from Blood Cultures
Published on: July 9, 2012
Novel electrical method for early detection of viable bacteria in blood cultures
Sachidevi Puttaswamy1, Byung Doo Lee, Shramik Sengupta
1Department of Biological Engineering, University of Missouri, Columbia, Missouri 65211-5200, USA.
Abstract:
We present a novel electrical method for detecting viable bacteria in blood cultures that is 4 to 10 times faster than continuous monitoring blood culture systems (CMBCS) like the Bactec system. Proliferating bacteria are detected via an increase in the bulk capacitance of suspensions, and the threshold concentration for detection is ∼ 10(4) CFU/ml (compared to ∼ 10(8) CFU/ml for the Bactec system).
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