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Updated: Dec 13, 2025

Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7

Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7

Published on: September 17, 2017

Nano-enabled sensing approaches for pathogenic bacterial detection.

Maha Alafeef¹, Parikshit Moitra², Dipanjan Pan³

¹Bioengineering Department, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States; Biomedical Engineering Department, Jordan University of Science and Technology, Irbid, 22110, Jordan; Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Baltimore School of Medicine, 670 W Baltimore St., Baltimore, MD, 21201, United States.

Biosensors & Bioelectronics

|July 31, 2020

Summary

This summary is machine-generated.

Nanotechnology-based smart sensors offer rapid, real-time detection of pathogenic bacteria, including antibiotic-resistant strains. This advancement aids in early diagnosis and containment of infectious diseases at the point-of-care.

Keywords:

Bacterial sensing Carbon dots Infectious diseases Machine learning Metallic nanoparticles Nanoparticles

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Area of Science:

Biomedical Engineering
Nanotechnology
Infectious Disease Diagnostics

Background:

Antibiotic-resistant bacteria pose a significant global health threat.
Conventional bacterial detection methods are time-consuming and require expert users.
Real-time pathogen monitoring is crucial for outbreak prevention and containment.

Purpose of the Study:

To review recent advancements in nanoparticle-based sensors for bacterial detection.
To highlight the potential of nanotechnology in developing rapid and sensitive diagnostic platforms.
To discuss current challenges and future prospects in nanobiosensing for infectious diseases.

Main Methods:

Overview of nanoparticle properties (optical, magnetic, electrical) for bacterial sensing.
Discussion of various nanomaterials including carbon, metallic, and metal oxide nanoparticles.
Highlighting research on in vitro and in vivo bacterial detection using nanodiagnostics.

Main Results:

Nanomaterials enable enhanced bacterial sensing due to their unique properties.
Nanoparticle-based platforms show promise for early and rapid pathogen detection.
Techniques for single-cell bacterial detection are being advanced.

Conclusions:

Nanotechnology-based sensors are revolutionizing infectious disease diagnosis.
Integration with machine learning and wireless communication points to future diagnostic trends.
Further research is needed to overcome current challenges in nanodiagnostics.