Recent Progress on Gold-Nanocluster-Based Fluorescent Probe for Environmental Analysis and Biological Sensing

Area of Science:

• Nanotechnology
• Materials Science
• Analytical Chemistry

Background:

• Gold nanoclusters (AuNCs) are emerging as key fluorescent probes.
• They exhibit superior fluorescence stability and tunable wavelengths compared to traditional organic dyes.
• This makes them highly attractive for various sensing applications.

Purpose of the Study:

• To review synthesis strategies for gold nanocluster-based fluorescent probes.
• To summarize their applications in environmental analysis and biological sensing.
• To highlight the advantages of AuNCs in fluorescence-based detection.

Main Methods:

• Exploration of diverse synthesis methodologies for AuNCs.
• Compilation of studies utilizing AuNCs for environmental pollutant detection.
• Review of research employing AuNCs for biological labeling, imaging, and sensing.

Main Results:

• Gold nanoclusters demonstrate significant potential as fluorescent probes.
• Their synthesis is adaptable, leading to probes with desirable optical properties.
• AuNCs show promise in detecting heavy metals and pollutants, and in biological applications.

Conclusions:

• Gold nanocluster-based fluorescent probes offer a robust platform for advanced sensing.
• Their tunable fluorescence and stability are advantageous over conventional probes.
• Continued research in AuNC synthesis and application will drive innovation in environmental and biological monitoring.