Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Stress stimulation maintaining by genipin crosslinked hydrogel promotes annulus fibrosus healing.

Journal of orthopaedic translation·2023

Same author

Genome characteristics of the <i>optrA</i>-positive <i>Clostridium perfringens</i> strain QHY-2 carrying a novel plasmid type.

mSystems·2023

Same author

Screening of H<sub>2</sub>S donors with a red emission mitochondria-targetable fluorescent probe: Toward discovering a new therapeutic strategy for Parkinson's disease.

Biosensors & bioelectronics·2023

Same author

Structure and assembly of type VI secretion system cargo delivery vehicle.

Cell reports·2023

Same author

Construction of Dual-Channel Water Transport in Mesoporous Silica Low Humidity Sensors to Achieve High Sensitivity.

Small (Weinheim an der Bergstrasse, Germany)·2023

Same author

[Analysis of Clinical Features and Risk Factors for Oral Ulcers and Bloodstream Infection in Patients with Hematopoietic Stem Cell Transplantation].

Zhongguo shi yan xue ye xue za zhi·2023

Same journal

High-turnover copper-catalyzed amination of aryl bromides: exploring catalyst and ligand degradation pathways.

RSC advances·2026

Same journal

Sb-based metal oxide and sulfide anode materials for alkali-ion batteries.

RSC advances·2026

Same journal

Directed evolution of a cytochrome P450 monooxygenase for improved perillyl alcohol biosynthesis <i>via</i> a tailored genetically encoded biosensor.

RSC advances·2026

Same journal

Superspin-glass dynamics and magnetic memory in ZnFe<sub>2</sub>O<sub>4</sub> nanoparticles synthesized <i>via</i> a green egg-white-assisted route.

RSC advances·2026

Same journal

Porous and luminescent Dy-doped Co-BTC MOFs for label-free detection of tetracycline and vanadium traces in water.

RSC advances·2026

Same journal

An optimized green simultaneous HPLC analysis of dissolution rate monitoring for valsartan and sacubitril in tablet medications.

RSC advances·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Sep 24, 2025

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

Absorption induced ordered ring and inner network structures on a nanoporous substrate.

Weibin Li^1,2, Wenjie Ji^1,2, Ding Lan^1,2

¹National Microgravity Laboratory, Institute of Mechanics, Chinese Academy of Sciences 100190 Beijing China yurenwang@imech.ac.cn.

|May 6, 2022

Summary

This summary is machine-generated.

Colloidal droplets form unique ring patterns on nanoporous substrates due to lateral absorption. This outward flow, competing with dewetting, drives self-assembly and ordered structures for applications like printable electronics.

More Related Videos

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

Published on: September 27, 2019

Related Experiment Videos

Last Updated: Sep 24, 2025

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

Published on: September 27, 2019

Area of Science:

Colloid and Surface Science
Materials Science
Fluid Dynamics

Background:

Colloidal droplet interaction with porous media is crucial for applications like direct-ink-write printing on flexible electronics.
Understanding droplet behavior on nanoporous substrates is key to controlling pattern formation.

Purpose of the Study:

To investigate the novel self-assembly patterns of colloidal droplets on nanoporous substrates.
To elucidate the mechanisms governing the formation of ordered ring and inner network structures.

Main Methods:

Experimental observation of colloidal droplet behavior on a nanoporous substrate.
Analysis of fluid flow dynamics, including lateral absorption and dewetting.
Investigation of capillary immersion forces driving particle self-assembly.

Main Results:

A novel ordered ring pattern with an inner network was observed from colloidal droplets on a nanoporous substrate.
Outward flow, driven by lateral absorption into the substrate, is responsible for the formation of ring structures.
The interplay between inward dewetting and outward flow dictates the inner network pattern, while capillary forces promote ordered particle arrays.

Conclusions:

Lateral absorption and dewetting dynamics are critical factors in colloidal droplet pattern formation on porous media.
Capillary immersion forces play a significant role in the self-assembly of particles into ordered structures.
The findings provide insights into controlling droplet behavior for advanced material fabrication and applications.