Related Experiment Video
Updated: Jul 31, 2026

07:22
Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors
Published on: November 20, 2013
Detection of low levels of Listeria monocytogenes within 20 hours using an evanescent wave biosensor
T B Tims1, S S Dickey, D R Demarco
1Department of Biology, University of South Florida, 4202 E. Fowler Ave., SCA 110, Tampa, FL 33620, USA. ttims@chuma.cas.usf.edu
Abstract
No abstract available in PubMed .
Related Concept Videos
Microbial Biosensors
Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...

