Printed circuit boards: system automation and alternative matrix for biosensing

Area of Science:

• Bioelectronics
• Biosensor Technology
• Diagnostic Devices

Background:

• Circuit integration has significantly improved biosensor capabilities, enhancing sensing ability and speed.
• Bioelectronics has enabled the development of point-of-care (PoC) devices with superior performance over conventional systems.
• These PoC devices offer advantages like lower costs, smaller size, and greater reproducibility.

Purpose of the Study:

• To review advances in printed circuit board (PCB) technology for biosensing applications.
• To highlight the role of flexible PCB upgrades in enhancing biosensor features.
• To explore the emerging use of PCBs as matrix materials for analyte detection.

Main Methods:

• Review of current literature on PCB fabrication techniques for biosensors.
• Analysis of how PCB modifications impact biosensor performance metrics.
• Examination of case studies showcasing PCB-based biosensing systems.

Main Results:

• Flexible PCB fabrication is a reliable method for improving biosensor portability, wearability, and detection limits.
• PCB technology facilitates smart output integration and automation in biosensing devices.
• PCBs show potential as alternative matrix materials for detecting diverse analytes.

Conclusions:

• Advances in PCB technology are crucial for the evolution of next-generation biosensors.
• PCB integration offers a pathway to more automated, sensitive, and user-friendly diagnostic tools.
• The adaptability of PCB fabrication supports the development of versatile biosensing platforms.