Sample-to-answer sensing technologies for nucleic acid preparation and detection in the field

Area of Science:

• Biotechnology
• Molecular Diagnostics
• Point-of-Care Testing

Background:

• Efficient in-field sample preparation and disease diagnosis are critical for timely intervention.
• Current methods for nucleic acid extraction in field settings are challenging.
• Portable nucleic acid amplification and detection methods are under development.

Purpose of the Study:

• To review recent advances in portable sample preparation technologies.
• To discuss facile detection methods for integrated sample-to-answer devices.
• To examine commercial kits and devices for on-site plant disease diagnosis.

Main Methods:

• Review of recent scientific literature on portable nucleic acid extraction and detection.
• Analysis of emergent sample-to-answer sensing systems.
• Discussion of commercial products and their limitations for field applications.

Main Results:

• Integrated portable platforms enable sample-to-answer disease detection outside laboratory settings.
• These systems offer potential for improved healthcare, agriculture surveillance, and environmental monitoring.
• Advances in lysis and extraction protocols are key to developing effective portable devices.

Conclusions:

• Portable sample-to-answer devices hold significant promise for decentralized disease diagnostics.
• Further development is needed to overcome challenges in commercial kits for on-site plant disease diagnosis.
• These technologies can enhance disease surveillance and response in diverse settings.