Related Experiment Video
Updated: May 14, 2026

Self-Assembly of Microtubule Tactoids
Published on: June 23, 2022
Templated nanocrystal assembly on biodynamic artificial microtubule asters
Erik D Spoerke1, Andrew K Boal, George D Bachand
1Electronic, Optical, and Nano Materials, Sandia National Laboratories, Albuquerque, New Mexico, United States. edspoer@sandia.gov
Researchers developed artificial microtubule asters using microtubules (MTs) and MT-associated proteins (MAPs). These dynamic biomimetic structures serve as novel templates for organizing nanomaterials, paving the way for advanced nanocomposites.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Synthetic Biology
Background:
- Microtubules (MTs) and MT-associated proteins (MAPs) are essential for biological nanoassembly.
- Natural MT assemblies inspire strategies for synthetic nanomaterial development.
Purpose of the Study:
- To explore a dynamic biofabrication process mimicking natural microtubule asters.
- To demonstrate controllable assembly of artificial microtubule asters.
- To show these asters can template secondary nanomaterials.
Main Methods:
- MAP-mediated assembly and growth of functionalized MTs onto synthetic particles.
- Characterization of the dynamic properties of the assembled asters.
- Application of asters as templates for 3D nanocrystal organization.
Main Results:
- Successfully created controllable and reversible three-dimensional biomimetic microtubule asters.
- Demonstrated the utility of these asters as dynamic biotemplates.
- Achieved organization of secondary nanomaterials across multiple length scales.
Conclusions:
- Biomimetic microtubule asters offer a novel pathway for nanomaterial assembly.
- This biofabrication strategy enables next-generation nanocomposite development.
- The dynamic nature of asters allows for versatile material organization.
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