Nucleic acid lateral flow tests for molecular diagnosis: an update

Area of Science:

• Molecular diagnostics
• Biotechnology
• Point-of-care testing

Background:

• Nucleic acid lateral flow (NALF) tests are emerging tools for molecular diagnostics.
• These tests have broad applications in clinical practice, food safety, genotyping, and environmental monitoring.
• Simplifying analyte detection is a primary goal, similar to lateral flow immunoassays.

Purpose of the Study:

• To describe the fundamental characteristics of nucleic acid lateral flow (NALF) tests.
• To highlight recent advancements and evolutions in NALF test technology.
• To identify challenges in NALF test development, particularly concerning equipment independence.

Main Methods:

• Review of basic features and recent evolutions in nucleic acid lateral flow (NALF) test technology.
• Focus on design principles aimed at simplifying detection.
• Discussion of challenges related to equipment dependency.

Main Results:

• NALF tests are designed for simplified analyte detection.
• Recent evolutions focus on enhancing NALF test capabilities.
• The accuracy of NALF tests remains an under-investigated area.

Conclusions:

• NALF tests hold significant promise for molecular diagnostics in diverse fields.
• Reducing or eliminating the need for sophisticated equipment is a critical challenge for NALF test design.
• Further research is needed to fully understand and optimize NALF test performance.