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Related Experiment Video

Updated: Jan 5, 2026

Dendrimer-based Uneven Nanopatterns to Locally Control Surface Adhesiveness: A Method to Direct Chondrogenic Differentiation

Dendrimer-based Uneven Nanopatterns to Locally Control Surface Adhesiveness: A Method to Direct Chondrogenic Differentiation

Published on: January 20, 2018

Soft dendritic microparticles with unusual adhesion and structuring properties.

Sangchul Roh¹, Austin H Williams¹, Rachel S Bang¹

¹Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, USA.

Nature Materials

|October 16, 2019

Summary

This summary is machine-generated.

Researchers developed novel dendritic microparticles with nanofibre structures. These particles enable strong adhesion and gelation in soft materials, with applications in coatings and product formulations.

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Area of Science:

Soft matter physics
Materials science
Colloid science

Background:

Particle morphology, excluded volume, and adhesivity are key to soft material properties.
Branched particles and nanofibres enhance colloidal structure-building.
Nature utilizes fibrillar mats for strong adhesion via contact splitting.

Purpose of the Study:

To fabricate hierarchically structured polymeric microparticles with dendritic morphology.
To investigate the adhesive and structural properties of these novel particles.

Main Methods:

Polymer precipitation in highly turbulent flow.
Creation of microparticles with fractal branching and nanofibrillar coronas.

Main Results:

Fabricated dendritic microparticles with branched nanofibre coronas.
Achieved gelation at very low volume fractions.
Demonstrated strong interparticle adhesion and binding capabilities for coatings and non-woven sheets.

Conclusions:

Hierarchically structured dendritic microparticles offer a new route to engineer soft materials.
These particles exhibit enhanced adhesion and gelation properties due to their unique morphology.
Potential applications exist in food, personal care, and pharmaceutical formulations.