Advances in Fluorescence/Colorimetric Dual-Signal Sensors Enabled by Diverse Signal Activation Mechanisms

Area of Science:

• Analytical Chemistry
• Materials Science
• Sensor Technology

Background:

• Conventional single-signal sensors face limitations in sensitivity, detection range, and accuracy.
• Growing demand for advanced sensing technologies necessitates novel, portable, and cost-effective solutions.
• Dual-signal sensors integrate multiple detection modalities to overcome single-signal limitations.

Purpose of the Study:

• To review signal activation strategies and design principles for fluorescence/colorimetric dual-signal sensors.
• To highlight specific recognition mechanisms for diverse targets in dual-signal sensing.
• To provide insights for developing next-generation sensors with improved performance.

Main Methods:

• Review of recent advancements in fluorescence/colorimetric dual-signal sensor technology.
• Analysis of signal activation strategies and synergistic effects.
• Examination of target recognition mechanisms and sensor design principles.

Main Results:

• Fluorescence/colorimetric dual-signal sensors offer enhanced detection accuracy, broader ranges, and improved flexibility.
• Synergistic integration of optical signals significantly boosts detection efficiency.
• Diverse targets can be effectively recognized through specific design and activation strategies.

Conclusions:

• Dual-signal sensors represent a significant advancement over conventional single-signal systems.
• Optimized signal activation and recognition mechanisms are key to next-generation sensor design.
• These sensors hold great promise for applications in food safety, environmental monitoring, and biomedical fields.