Data-informed discovery of hydrolytic nanozymes

Area of Science:

• Materials Science
• Biochemistry
• Nanotechnology

Background:

• Nanozymes offer enzyme-like activity with superior stability and environmental tolerance.
• Developing hydrolytic nanozymes faces challenges due to diverse substrates and complex mechanisms.
• Metal-organic frameworks (MOFs) are promising platforms for nanozyme development.

Purpose of the Study:

• To design and synthesize novel hydrolytic nanozymes based on MOFs.
• To enhance the catalytic activity and substrate specificity of nanozymes.
• To provide a rational methodology for designing effective hydrolytic nanozymes.

Main Methods:

• Data-informed screening and prediction of catalytic active sites in MOF-based nanozymes.
• Tuning Lewis acidity of metal clusters to increase intrinsic catalytic activity.
• Shortening ligand length to improve the density of active sites.

Main Results:

• A Ce-FMA-MOF-based hydrolytic nanozyme was successfully synthesized.
• The nanozyme demonstrated capability in cleaving phosphate, amide, and glycosidic bonds.
• The nanozyme also showed efficacy against biofilms, including mixtures of substrates.

Conclusions:

• A rational design strategy for hydrolytic nanozymes was established.
• The developed nanozyme broadens the scope and diversity of available nanozymes.
• This work contributes to the advancement of enzyme engineering and biomimetic catalysis.