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Updated: Jun 15, 2026

Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold
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Published on: October 26, 2018

Controlled assembly for well-defined 3D bioarchitecture using two active enzymes.

Dong Chung Kim1, Jung Inn Sohn, Dejian Zhou

  • 1BK21 Physics Research Division, Department of Energy Science, Institute of Basic Science, SKKU Advanced Institute of Nanotechnology, Center for Nanotubes and Nanostructured Composites, Sungkyunkwan University, Suwon, 440-746, South Korea.

ACS Nano
|February 26, 2010
PubMed
Summary
This summary is machine-generated.

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Researchers created a novel bioarchitecture using layer-by-layer assembly of two enzymes: lactate oxidase (LOD) and horseradish peroxidase (HRP). This method enables precise 3D nanostructure fabrication for advanced biosensing applications.

Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Enzyme Engineering

Background:

  • Enzyme immobilization is crucial for biosensor development.
  • Layer-by-layer (LBL) assembly offers precise control over multilayer structures.
  • Fabricating complex bioarchitectures with multiple enzymes presents challenges.

Purpose of the Study:

  • To develop a convenient method for fabricating bioarchitectures with two distinct active enzymes.
  • To demonstrate the utility of surface-templated LBL assembly for creating well-defined 3D nanostructures.
  • To explore the biosensing potential of these bienzyme LBL structures.

Main Methods:

  • Utilized surface-templated layer-by-layer (LBL) assembly.
  • Coupled avidin/biotin-lactate oxidase (biotin-LOD) bilayers with avidin/biotin-horseradish peroxidase (biotin-HRP) bilayers.

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Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro
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  • Fabricated bioarchitectures on prepatterned surfaces.

    • Main Results:

    • Successfully fabricated a bioarchitecture with two different active enzymes (LOD and HRP).
    • Achieved precise control over the position and height of 3D nanostructures.
    • Demonstrated the high functionality of the LBL-assembled bienzyme structures.

    Conclusions:

    • Surface-templated LBL assembly is an effective method for creating enzyme-based bioarchitectures.
    • The fabricated LOD/HRP bioarchitectures show promise for various biosensing applications.
    • This approach allows for the convenient fabrication of functional enzyme nanostructures.