Fiber-optic biosensors--an overview.

Area of Science:

• Biomedical Engineering
• Analytical Chemistry
• Optoelectronics

Background:

• Modern laboratory analysis faces cost and time constraints.
• Growing demand for real-time, low-cost monitoring in various sectors.
• Need for advanced biosensing technologies in industrial, environmental, clinical, and food processing applications.

Purpose of the Study:

• To review progress in optical fiber biosensors over the past five years.
• To discuss key aspects of sensor development, including miniaturization, integrated systems, and multianalyte determination.
• To highlight future research directions in optical fiber biosensor technology.

Main Methods:

• Review of recent scientific literature on optical fiber biosensors.
• Classification of biosensors based on biorecognition elements (enzymes, whole cells, antibodies, nucleic acids, biomimetic polymers).
• Analysis of analytical characteristics and applications of various fiber-optic biosensor types.

Main Results:

• Significant advancements in optical fiber biosensor technology over the last five years.
• Emerging trends in miniaturization, integrated systems, and multianalyte detection.
• Diverse applications demonstrated across industrial, environmental, clinical, and food monitoring.

Conclusions:

• Optical fiber biosensors are a promising technology for real-time, cost-effective analysis.
• Continued research is expected to enhance sensor capabilities and expand their application scope.
• The development of novel biorecognition elements will drive future innovation in the field.