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Related Concept Videos

Microbial Biosensors01:17

Microbial Biosensors

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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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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...
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Needle-Shaped Biosensors for Precision Diagnoses: From Benchtop Development to In Vitro and In Vivo Applications.

Ruier Xue1,2, Fei Deng1,2, Tianruo Guo1,2

  • 1Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, NSW 2052, Australia.

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Summary

Needle-shaped biosensors (N-biosensors) enable precise in situ detection of disease biomarkers in tissues. This technology shows promise for accurate diagnoses of cancer, diabetes, and infections, advancing precision medicine.

Keywords:
clinical biomarkerscomplex clinical samplesin situ detectionneedle-shaped biosensorprecision diagnosis

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Clinical Diagnostics

Background:

  • In situ detection of biomarkers is crucial for understanding disease progression and improving diagnostics.
  • Needle-shaped biosensors (N-biosensors) offer a promising approach for real-time measurements within organs.
  • Previous in vitro and in vivo studies demonstrate the potential of N-biosensors for biomarker detection.

Purpose of the Study:

  • To review current N-biosensor designs for in situ biomarker detection.
  • To discuss preclinical applications of N-biosensors in diagnosing diseases.
  • To explore future directions and challenges in N-biosensor technology development.

Main Methods:

  • Overview of state-of-the-art benchtop N-biosensor designs.
  • Analysis of preclinical in vivo studies showcasing diagnostic capabilities.
  • Discussion of technological challenges and future research avenues.

Main Results:

  • N-biosensors demonstrate high accuracy in detecting biomarkers in various organs (e.g., brain, spinal cord).
  • Successful preclinical applications reported for diagnosing cancer, diabetes, and infectious diseases.
  • Significant progress noted in the clinical translation of N-biosensor technology.

Conclusions:

  • N-biosensor technology is advancing precision diagnostics through sensitive in situ biomarker detection.
  • Further development is needed to overcome challenges and realize the full potential of next-generation N-biosensors.
  • This technology holds promise for enhanced disease management and personalized treatment strategies.