Aza-BODIPY-based Fluorescent and Colorimetric Sensors and Probes

Area of Science:

• Organic Chemistry
• Materials Science
• Analytical Chemistry

Background:

• Aza-boron-dipyrromethenes (Aza-BODIPYs) are a class of near-infrared (NIR) absorbing and emitting chromophores.
• They exhibit superior optical and electronic properties, along with enhanced physiological and photostability compared to other NIR dyes.
• Facile synthetic routes have established Aza-BODIPYs as crucial fluorophores with diverse applications.

Approach:

• This review focuses on Aza-BODIPY-based fluorescent and colorimetric chemosensors.
• Chemosensors and probes are categorized into five sections based on target analytes: pH, metal ions, anions, reactive oxygen species (ROS), and reactive nitrogen species (RNS).
• The review explores the potential and existing applications of Aza-BODIPY chemosensors.

Key Points:

• Aza-BODIPY chemosensors demonstrate significant potential for detecting a wide range of analytes.
• Applications span from pH sensing to the detection of biologically relevant species like ROS and RNS.
• The development of Aza-BODIPY-based sensors offers a versatile platform for various scientific disciplines.

Conclusions:

• Aza-BODIPY technology is still in its early stages of development, indicating substantial future potential.
• These compounds show promise for translation into practical biomedical and materials science applications.
• Continued research is expected to broaden the applications of Aza-BODIPY in numerous fields.