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Bacterial detection: from microscope to smartphone.

Subash C B Gopinath1, Thean-Hock Tang2, Yeng Chen3

  • 1Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, 13200 Bertam, Kepala Batas, Penang, Malaysia; Department of Oral Biology & Biomedical Sciences and OCRCC, Faculty of Dentistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.

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Accurate bacterial detection is crucial for public health, especially for foodborne pathogens. This review covers methods from microscopy to smartphone-based systems for pathogen sensing.

Keywords:
16S rRNABacteriaBiosensorPathogen

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Area of Science:

  • Microbiology
  • Biotechnology
  • Sensor Technology

Background:

  • Bacteria's widespread presence necessitates effective detection methods.
  • Pathogenic bacteria pose significant risks to human health, particularly in food and water.
  • Accurate sensing systems are vital for diagnosing infections and controlling outbreaks.

Purpose of the Study:

  • To provide a comprehensive overview of current bacterial detection systems.
  • To highlight the evolution of bacterial sensing technologies.
  • To discuss applications in food safety and water treatment.

Main Methods:

  • Review of existing literature on bacterial detection techniques.
  • Categorization of sensing methods: morphological visualization, component detection, and whole-cell detection.
  • Discussion of technologies ranging from traditional microscopy to advanced smartphone-based platforms.

Main Results:

  • Diverse bacterial detection strategies are available, each with specific applications.
  • Technological advancements have led to more sensitive and accessible sensing platforms.
  • Smartphone-based detection offers potential for rapid, on-site bacterial analysis.

Conclusions:

  • Effective bacterial sensing is critical for public health and safety.
  • A range of technologies exist, from basic observation to sophisticated biosensors.
  • Future developments may focus on portable, user-friendly, and highly specific detection systems.