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Related Concept Videos

Rapid Identification of Pathogens01:25

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...
Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
Microbial Biosensors01:17

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...

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Related Experiment Video

Updated: Jun 1, 2026

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
06:18

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1

Published on: March 13, 2018

Fluorescent sensor array for rapid and accurate multiplexed pathogen identification.

Siyuan Huang1, Yuqing Hu1, Hongyu Wang1

  • 1Key Laboratory of Functional Polymer Materials (Ministry of Education), Institute of Polymer Chemistry, Tianjin Key Laboratory of Functional Polymer Materials, College of Chemistry, Nankai University, Tianjin, 300071, China.

Analytica Chimica Acta
|May 30, 2026
PubMed
Summary
This summary is machine-generated.

A novel fluorescent sensor array rapidly identifies pathogens and distinguishes drug-resistant strains in 30 minutes. This activity-driven platform addresses antimicrobial resistance by enabling faster, more accurate diagnostics.

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Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres
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Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Published on: October 23, 2011

Related Experiment Videos

Last Updated: Jun 1, 2026

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
06:18

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1

Published on: March 13, 2018

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres
11:09

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Published on: October 23, 2011

Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Microbiology

Background:

  • Antimicrobial resistance poses a significant global health challenge, exacerbated by delayed and inaccurate pathogen identification.
  • Current diagnostic methods often fail to guide appropriate antibiotic use, highlighting the need for rapid diagnostic solutions.
  • Bacterial activity-based sensing offers a promising avenue for swift pathogen identification.

Purpose of the Study:

  • To develop a rapid diagnostic platform for accurate pathogen identification and antimicrobial resistance analysis.
  • To create an activity-driven fluorescent sensor array for clinical applications.
  • To address the critical need for timely and precise tools in combating antimicrobial resistance.

Main Methods:

  • Development of a fluorescent sensor array comprising four targeted polymeric nanoprobes.
  • Functionalization of nanoprobes with specific recognition motifs, including phenylboronic acid and saccharides.
  • Incubation of nanoprobes with bacterial samples to observe distinct fluorescence response patterns.

Main Results:

  • Accurate identification of six pathogens with 96.6% accuracy within 30 minutes.
  • Discrimination between drug-sensitive and drug-resistant bacterial strains.
  • Fluorescence patterns correlated with differences in bacterial energy-dependent behavior.

Conclusions:

  • The sensor array's discriminatory ability stems from variations in bacterial receptor recognition and metabolic activity.
  • The developed sensing method focuses on the dynamic physiological absorption process for pathogen detection.
  • This rapid and accurate sensor array provides a valuable tool for pathogen detection and antimicrobial resistance analysis.