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Engineering Cellular Photocomposite Materials Using Convective Assembly.

Jessica S Jenkins1, Michael C Flickinger2,3, Orlin D Velev4

  • 1Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, 911 Partners Way, NC 27695, USA. jsjenkin@ncsu.edu.

Materials (Basel, Switzerland)
|August 16, 2017
PubMed
Summary
This summary is machine-generated.

Convective assembly rapidly deposits living cells and polymers into thin films, creating functional biocomposite materials. This technique enables applications like artificial leaves and self-cleaning surfaces, unifying colloid science and cell biology.

Keywords:
artificial leavesbiocomposite materialscellular photocompositescolloidal coatingscontinuous convective-sedimentation assembly

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Area of Science:

  • Colloid and Surface Science
  • Cell Biology
  • Materials Science

Background:

  • Industrial-scale fabrication of photoreactive composite materials with living cells necessitates integrating colloid science and cell biology.
  • Current methods require deposition strategies that can handle delicate biological components alongside synthetic materials.

Purpose of the Study:

  • To review the non-biological convective assembly literature and its modifications for depositing living cells.
  • To explore the potential of convective assembly for creating advanced biocomposite materials for various applications.

Main Methods:

  • Review of convective assembly techniques, focusing on adaptations for living cell deposition.
  • Analysis of parameters influencing coating microstructure, including process, substrate, and particle characteristics.
  • Comparison of biocomposite coatings with existing cellular encapsulation systems.

Main Results:

  • Convective assembly can rapidly deposit cells and polymer particles into thin (<10 µm), organized films.
  • Engineered films exhibit controlled adhesion, composition, thickness, and particle packing.
  • The method has evolved from batch to continuous processes for multi-layer biocomposite coatings.

Conclusions:

  • Convective assembly offers a viable strategy for fabricating stable, functional biocomposite materials at industrial scales.
  • Further development can address challenges in engineering multi-layered cellular photocomposite materials with high reactivity and robustness.
  • The technique facilitates the creation of biomimetic leaves and self-cleaning surfaces.