Advancements and Prospects in DNA-Based Bioanalytical Technology for Environmental Toxicant Detection.

Area of Science:

• Environmental Science
• Analytical Chemistry
• Biotechnology

Background:

• Environmental pollution demands rapid, precise, and field-deployable analytical technologies.
• Next-generation platforms require molecular recognition fidelity and reliable signal transduction.
• DNA nanotechnology offers programmable molecular recognition and self-assembly for biosensing.

Purpose of the Study:

• To highlight the potential and strategic approaches for constructing DNA-based biosensors.
• To explore the progress in field-deployable DNA-based biosensors for environmental monitoring.
• To discuss challenges and future perspectives for DNA-based biosensing systems.

Main Methods:

• Leveraging DNA nanotechnology for sequence-specific molecular recognition.
• Utilizing programmable self-assembly of DNA structures.
• Integrating DNA biosensors with portable point-of-care platforms.

Main Results:

• DNA-based recognition elements enable tunable specificity and sensitivity in biosensors.
• Field-deployable DNA biosensors facilitate rapid, operator-agnostic detection of toxicants.
• These systems are suitable for complex environmental monitoring tasks across diverse matrices.

Conclusions:

• DNA nanotechnology provides a modular framework for next-generation biosensors.
• DNA-based biosensing systems are revolutionizing on-site environmental toxicant detection.
• Further development holds promise for broader applications in environmental pollution monitoring.