Flexible Plasmonic Biosensors for Healthcare Monitoring: Progress and Prospects

Area of Science:

• Nanotechnology and Materials Science
• Biomedical Engineering
• Biosensing Technology

Background:

• Noble metal nanoparticles are crucial plasmonic units for enhancing biosensor performance.
• Integration with flexible substrates enables conformal and adaptive healthcare monitoring devices.

Purpose of the Study:

• To provide a comprehensive review of recent advancements in flexible plasmonic biosensors for healthcare.
• To summarize fundamental principles, structural innovations, and applications in health monitoring.

Main Methods:

• Review of flexible substrate selection and integration processes for plasmonic units.
• Exploration of various flexible plasmonic biosensor types and detection mechanisms (SERS, colorimetric).

Main Results:

• Detailed overview of flexible plasmonic biosensors for monitoring temperature, glucose, ions, gas, and motion.
• Summary of applications in surface-enhanced Raman scattering (SERS) and colorimetric detections.

Conclusions:

• Flexible plasmonic biosensors represent a significant advancement in wearable healthcare technology.
• Addressing current challenges and future prospects is vital for enhancing living quality through improved health monitoring.