Liposome-metal nanoparticle based sensing systems for (bio)analytical applications

Area of Science:

• Nanotechnology
• Biochemistry
• Analytical Chemistry

Background:

• Liposome-metal nanoparticle (MeNP) hybrids are emerging as advanced platforms for biosensing.
• They offer advantages like low toxicity, enhanced stability, and improved selectivity and signal amplification.

Purpose of the Study:

• To comprehensively review the state-of-the-art applications of MeNP-liposome hybrids in the (bio)analytical domain.
• To explore the diverse configurations and functionalities of these hybrid systems in biosensing.

Main Methods:

• Review of recent literature (last decade) on MeNP-liposome hybrid applications in biosensing.
• Categorization of MeNP positioning within liposomes (aqueous core, lipid bilayer, surface).
• Analysis of applications based on signal transduction systems (electrochemistry, fluorescence, etc.).

Main Results:

• MeNP-liposome hybrids can function as signal-generating labels, bioreagent carriers, sequestration agents, and signal amplification tools.
• Diverse analytical applications are enabled by various signal transduction methods.
• Examples highlight innovative uses in biosensing.

Conclusions:

• MeNP-liposome hybrids represent a versatile and powerful platform for advanced biosensing.
• Their strategic design allows for tailored functionalities, enhancing sensitivity and specificity in bioassays.
• Continued innovation in this area promises significant advancements in diagnostic technologies.