Redefining Metal Organic Frameworks in Biosensors: Where Are We Now?

Area of Science:

• Materials Science
• Nanotechnology
• Analytical Chemistry

Background:

• Metal-organic frameworks (MOFs) are porous nanomaterials with tunable properties, high stability, and ordered porosity.
• MOFs are promising candidates for biosensing, drug delivery, and catalysis due to their unique structural and functional characteristics.
• Recent advancements focus on MOF nanoarchitecture modifications and guest material incorporation to tailor their functionality for specific applications.

Purpose of the Study:

• To review the critical roles of MOF nanomaterials in the development of high-performance biosensors.
• To explore the structure-activity relationships in MOFs through various engineering approaches.
• To highlight the applications of MOFs in electrochemical and optical biosensors and discuss future perspectives.

Main Methods:

• Review of existing literature on MOF nanomaterials in biosensing.
• Analysis of MOF structural properties and their influence on sensor performance.
• Examination of MOF applications in electrochemical and optical biosensing platforms.

Main Results:

• MOFs serve as stable frameworks for biomolecules, possess intrinsic sensitivity-enhancing properties, and act as nanozymes.
• Structural engineering of MOFs, including precursor tuning and guest molecule incorporation, allows for precise control over their activity.
• MOF-based biosensors demonstrate enhanced sensitivity, selectivity, and stability in various sensing matrices.

Conclusions:

• MOF nanomaterials are crucial for advancing biosensor technology, offering superior performance through tailored design.
• Understanding the structure-activity relationship is key to optimizing MOFs for specific biosensing tasks.
• Future research should focus on overcoming current challenges to develop next-generation MOF-based biosensors.