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Updated: Jan 20, 2026

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Surface Patterning for Enhanced Protein Stability: Insights from Molecular Simulations.

Avishek Kumar1, Deepshikha Ghosh1, Mithun Radhakrishna1

  • 1Department of Chemical Engineering , Indian Institute of Technology (IIT) Gandhinagar , Palaj, Gandhinagar , Gujarat 382355 , India.

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Summary

Patterned hydrophobic surfaces can significantly enhance enzyme stability, overcoming challenges in enzyme immobilization. Tailoring surface patterns to protein structures improves thermal and structural stability for industrial applications.

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Area of Science:

  • Biochemistry and Materials Science
  • Enzyme immobilization
  • Protein stability

Background:

  • Enzyme activity reduction upon immobilization is a key industrial challenge.
  • Enzyme-surface and enzyme-enzyme interactions contribute to activity loss.
  • Understanding protein adsorption on surfaces is crucial for enzyme technology.

Purpose of the Study:

  • To investigate the impact of patterned hydrophobic surfaces on protein thermal and structural stability.
  • To explore how surface pattern characteristics influence enzyme adsorption and stability.
  • To provide insights for designing surfaces that enhance enzyme immobilization.

Main Methods:

  • Utilized a hydrophobic-polar lattice model for theoretical analysis.
  • Simulated protein adsorption and stability on patterned hydrophobic surfaces.
  • Varied surface pattern size, shape, and spacing to assess stability effects.

Main Results:

  • Homogeneous hydrophobic surfaces lead to protein denaturation.
  • Patterned surfaces significantly increase the stability of adsorbed proteins.
  • Optimal stability depends on pattern characteristics and protein hydrophobicity, with pattern complementarity being key at larger spacings.

Conclusions:

  • Carefully designed patterned surfaces can overcome enzyme activity loss during immobilization.
  • Surface pattern design, including size, shape, and spacing, is critical for maximizing protein stability.
  • Findings enable the rational design of enzyme-specific surfaces for improved industrial enzyme applications.