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Using Micro-Electro-Mechanical Systems MEMS to Develop Diagnostic Tools
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Cell-free systems for low-cost diagnostics.

Rupal Dhariwal1, Mukul Jain1

  • 1Research & Development Cell, Parul University, Vadodara, Gujarat, India; Department of Life Sciences, Parul Institute of Applied Sciences, Parul University, Vadodara, Gujarat, India.

Progress in Molecular Biology and Translational Science
|January 25, 2026
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Summary
This summary is machine-generated.

Cell-free diagnostics offer a revolutionary, low-cost solution for rapid and scalable point-of-care testing. These systems leverage cellular machinery for accessible healthcare, especially in resource-limited settings.

Keywords:
BiosensorsCRISPR-CasCell free systemsDiagnosticsMicrofluidicsPersonalized healthcareRNA aptamersSynthetic biology

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Area of Science:

  • Biotechnology
  • Molecular Diagnostics
  • Synthetic Biology

Background:

  • Cell-free systems provide a versatile platform for diagnostics, overcoming limitations of traditional cell-based assays.
  • These systems are crucial for point-of-care (POC) applications, particularly in resource-poor regions, offering speed and flexibility.

Purpose of the Study:

  • To provide a comprehensive overview of cell-free diagnostic development, covering principles, design, and technological advancements.
  • To explore the biochemical foundations, leading platforms, and synthetic biology applications enhancing diagnostic performance.

Main Methods:

  • Discussion of biochemical principles of cell-free expression (ribosomal function, transcriptional control, energy regeneration).
  • Emphasis on leading platforms: E. coli lysates, wheat germ extracts, and PURE systems.
  • Integration of synthetic biology tools: gene circuits, CRISPR-Cas, RNA aptamers for improved sensitivity and specificity.

Main Results:

  • Exploration of innovations in paper-based, microfluidic, and wearable biosensors for real-time, field-deployable diagnostics.
  • Analysis of challenges including reagent stability, scalability, and regulatory considerations.
  • Highlighting trends like AI-based design and personalized diagnostics.

Conclusions:

  • Cell-free diagnostics show immense promise in bridging healthcare gaps and improving global health access.
  • The book serves as an encyclopedic resource for researchers and innovators in cell-free diagnostics.