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Related Concept Videos

Polymers02:34

Polymers

41.8K
The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the...
41.8K

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3D Printing Polymers with Supramolecular Functionality for Biological Applications.

Allison M Pekkanen1,2, Ryan J Mondschein2,3, Christopher B Williams2,4

  • 1School of Biomedical Engineering and Sciences, Virginia Tech , Blacksburg, Virginia 24061, United States.

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Summary
This summary is machine-generated.

Supramolecular polymers combined with 3D printing create advanced materials for biomedical uses. This approach allows for precise control over material properties, enabling the development of sophisticated tissue scaffolds and drug delivery systems.

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Area of Science:

  • Supramolecular chemistry
  • Polymer science
  • Additive manufacturing
  • Biomedical engineering

Background:

  • Supramolecular chemistry utilizes reversible interactions (e.g., hydrogen bonding, π-π stacking) to create well-defined bulk materials.
  • These interactions allow for tunable mechanical, viscoelastic, and processing properties, facilitating the manufacturing of complex structures.
  • The integration of supramolecular polymers with additive manufacturing (3D printing) offers enhanced control over material properties at multiple length scales.

Purpose of the Study:

  • To review the synthesis and characterization of supramolecular polymers for additive manufacturing and biomedical applications.
  • To explore the application of supramolecular polymers in 3D printing for drug delivery and tissue engineering.
  • To highlight the potential of supramolecular assembly in controlling anisotropy and creating hierarchical structures in printed objects.

Main Methods:

  • Literature review focusing on supramolecular polymer synthesis and characterization.
  • Analysis of additive manufacturing techniques applied to supramolecular polymers.
  • Examination of case studies in drug delivery and tissue scaffold formation using these materials.

Main Results:

  • Supramolecular polymers enable precise control over molecular, macromolecular, and feature length scales in 3D printed constructs.
  • Additive manufacturing with supramolecular polymers can enhance production speed, tune surface properties for cell interactions, and improve mechanical performance.
  • Dynamic supramolecular assembly allows for control over object anisotropy and the creation of gradient properties.

Conclusions:

  • Supramolecular polymers are highly versatile for additive manufacturing, offering tailored hierarchical structures and tunable properties.
  • This technology holds significant promise for developing next-generation biomedical devices, including advanced tissue scaffolds and drug delivery systems.
  • The dynamic nature of supramolecular interactions provides exquisite geometrical control and functionalization possibilities for biomedical applications.