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Related Concept Videos

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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A Method for Selecting Structure-switching Aptamers Applied to a Colorimetric Gold Nanoparticle Assay
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Gold-based nanohybrid materials in biosensing.

Lev A Dykman1, Olga I Guliy1

  • 1Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences, Saratov, 410049, Russia.

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|September 14, 2025
PubMed
Summary
This summary is machine-generated.

Gold nanohybrid materials significantly enhance biosensor performance, improving sensitivity and selectivity. This review highlights their role in advancing nanobiosensor technologies for better analytical applications.

Keywords:
Biosensor systemsGold nanoparticlesGold-based nanohybrid materials

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Area of Science:

  • Nanomaterials Science
  • Biosensor Technology
  • Analytical Chemistry

Background:

  • Nanohybrid materials are emerging as next-generation materials due to their multifunctionality.
  • Nanobiotechnologies have enabled the development of novel sensors based on nanohybrid materials.
  • The integration of nanohybrids into biosensorics offers enhanced analytical capabilities.

Purpose of the Study:

  • To review the progress in developing biosensors utilizing gold-based nanohybrid materials.
  • To summarize the efficacy of these nanohybrid biosensors in nanobiosensor technologies.

Main Methods:

  • Review of existing literature on gold nanohybrid materials in biosensor development.
  • Analysis of the application of gold nanoparticles in various biosensor platforms.
  • Discussion of surface plasmon resonance (SPR) and surface-enhanced Raman scattering (SERS) based biosensors.

Main Results:

  • Gold nanoparticles are widely used in biosensorics due to ease of synthesis, functionalization, and biocompatibility.
  • Nanohybrid materials improve sensitivity, detection range, selectivity, and reproducibility of biosensors.
  • Gold-based nanohybrids are effective in both traditional (colorimetric, electrochemical, fluorescent) and advanced biosensor types.

Conclusions:

  • Gold-based nanohybrid materials represent a significant advancement in biosensor technology.
  • These materials offer versatile platforms for developing highly sensitive and selective nanobiosensors.
  • Continued research in this area promises further innovation in analytical and diagnostic applications.