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Updated: May 12, 2026

Formation of Biomembrane Microarrays with a Squeegee-based Assembly Method

Formation of Biomembrane Microarrays with a Squeegee-based Assembly Method

Published on: May 8, 2014

Trap-array slippery surfaces for high-throughput, precise, and flexible evaporation-induced supraparticle synthesis.

Qian Xu¹, Wentao Yan², Wei Li³

¹Science and Education Integration College of Energy and Carbon Neutralization, Zhejiang University of Technology, Hangzhou 310014, China; School of Metallurgy and Environment, Central South University, Changsha 410083, China.

Journal of Colloid and Interface Science

|April 5, 2025

Summary

Researchers developed novel slippery surfaces inspired by lotus seeds and pitcher plants for efficient supraparticle synthesis. This method overcomes limitations of traditional techniques, enabling high-throughput production of diverse supraparticle structures for various applications.

Keywords:

Catalyst High throughput Self-assembly Supraparticles Trap-array slippery surfaces

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Last Updated: May 12, 2026

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Area of Science:

Materials Science
Nanotechnology
Surface Chemistry

Background:

Supraparticles are key in materials science, chemistry, and nanotechnology.
Evaporation-driven self-assembly is a common method for supraparticle synthesis.
Existing methods face challenges like low rates, adhesion, contamination, and inflexibility.

Purpose of the Study:

To develop a high-throughput and flexible method for supraparticle synthesis.
To overcome the limitations of current evaporation-driven self-assembly techniques.
To demonstrate the synthesis of functional supraparticles using a novel surface.

Main Methods:

Utilized lotus-seed head and Nepenthes-inspired trap-array slippery surfaces (TASS).
Employed a macroscopic trap array and lubricant layer for droplet self-location and lubrication.
Controlled droplet evaporation on the TASS for supraparticle fabrication and collection.

Main Results:

Achieved high-throughput synthesis and collection of supraparticle arrays.
Demonstrated high flexibility in creating diverse supraparticle structures, morphologies, and porosities.
Successfully synthesized core-shell magnet-actuated photocatalytic supraparticles with enhanced contaminant degradation.

Conclusions:

The TASS strategy offers a promising approach for large-scale, evaporation-driven supraparticle synthesis.
This method addresses key challenges, enabling efficient and versatile supraparticle fabrication.
Potential applications include catalysis, energy storage, and carbon capture.