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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
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Related Experiment Video

Updated: May 24, 2025

Design to Implementation Study for Development and Patient Validation of Paper-Based Toehold Switch Diagnostics
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On Paper Diagnostics: A Brief History and Future Perspectives.

Nathan Khosla1, Andrew DeMello2, Daniel Richards3

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Summary

Paper-based diagnostics offer accessible healthcare solutions by simplifying complex tests for point-of-care use. This technology addresses global health disparities by enabling easy-to-use, low-cost diagnostic tools.

Keywords:
DiagnosticsPaper-based microfluidicsPoint-of-care

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Area of Science:

  • Biochemistry
  • Chemistry
  • Engineering
  • Medical Diagnostics

Background:

  • Diagnostic technologies are crucial for patient health assessment and disease identification.
  • Advancements in science and engineering have accelerated diagnostic technology development.
  • Increased complexity has led to centralized labs, causing healthcare disparities.

Purpose of the Study:

  • To review the interdisciplinary development of paper-based diagnostics.
  • To detail their journey from concept to commercial success.
  • To discuss the current state-of-the-art and future potential.

Main Methods:

  • Review of interdisciplinary innovations in paper-based diagnostics.
  • Analysis of market introduction and commercialization pathways.
  • Assessment of current technological capabilities and limitations.

Main Results:

  • Paper-based diagnostics leverage interdisciplinary advances for simplified assays.
  • New formats enable point-of-care (PoC) and at-home testing.
  • Commercial successes demonstrate market viability.

Conclusions:

  • Paper-based diagnostics are shifting the paradigm towards decentralized healthcare.
  • Further improvements can enable more complex chemistries on simple platforms.
  • These devices hold promise for reducing global healthcare disparities.