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Related Concept Videos

Enzymes02:34

Enzymes

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Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions.
Enzyme deficiencies can often translate into life-threatening diseases. For example, a genetic abnormality resulting in the deficiency of the enzyme G6PD...
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Introduction to Mechanisms of Enzyme Catalysis01:13

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For many years, scientists thought that enzyme-substrate binding took place in a simple "lock-and-key" fashion. This model stated that the enzyme and substrate fit together perfectly in one instantaneous step. However, current research supports a more refined view scientists call induced fit. The induced-fit model expands upon the lock-and-key model by describing a more dynamic interaction between enzyme and substrate. As the enzyme and substrate come together, their interaction causes...
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Induced-fit Model01:13

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Most chemical reactions in cells require enzymes—biological catalysts that speed up the reaction without being consumed or permanently changed. They reduce the activation energy needed to convert the reactants into products. Enzymes are proteins, that usually work by binding to a substrate—a reactant molecule that they act upon.
Enzymes exhibit substrate specificity, meaning that they can only bind to certain substrates. This is mainly determined by the shape and chemical...
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Related Experiment Video

Updated: Mar 8, 2026

Microfluidic On-chip Capture-cycloaddition Reaction to Reversibly Immobilize Small Molecules or Multi-component Structures for Biosensor Applications
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Biocatalytic Self-Assembly Using Reversible and Irreversible Enzyme Immobilization.

M P Conte1, K H A Lau1, R V Ulijn1,2,3,4

  • 1WestCHEM/Department of Pure & Applied Chemistry, University of Strathclyde , 295 Cathedral Street, Glasgow G1 1XL, United Kingdom.

ACS Applied Materials & Interfaces
|January 13, 2017
PubMed
Summary
This summary is machine-generated.

Enzyme-controlled self-assembly using polydopamine coatings enables smart biomaterial development. This approach allows precise control over material properties for biomedical applications and nanofabrication.

Keywords:
bioinspired materialsbiointerfaceshydrogelpolydopaminepolyphenolproteinsupramolecular chemistrysurface functionalization

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Area of Science:

  • Biomaterials Science
  • Enzyme Engineering
  • Surface Chemistry

Background:

  • Biocatalytic control offers versatile enzyme-mediated tuning of material structure and properties.
  • Smart biomaterials are crucial for advanced biomedical applications.
  • Enzyme surface interactions significantly influence self-assembly processes.

Purpose of the Study:

  • To investigate the impact of enzyme surface localization and release on molecular self-assembly.
  • To explore the use of bioinspired polydopamine and polyphenol coatings for biocatalytic control.
  • To demonstrate tunable self-assembly for both bulk and surface-localized applications.

Main Methods:

  • Functionalization of surfaces with polydopamine and polyphenol coatings.
  • Controlled release of enzymes from coated surfaces.
  • Irreversible immobilization of enzymes onto surfaces.
  • Monitoring of molecular self-assembly processes.

Main Results:

  • Polydopamine and polyphenol coatings effectively controlled enzyme release and immobilization.
  • Enzyme release facilitated bulk gelation.
  • Enzyme immobilization localized self-assembly to the surface.
  • Demonstrated versatility in controlling self-assembly via surface-bound enzymes.

Conclusions:

  • Bioinspired coatings provide a platform for precise biocatalytic control of self-assembly.
  • This method enables the development of enzyme-responsive materials and advanced nanofabrication techniques.
  • Surface functionalization strategies offer tunable control over biomaterial properties and assembly.