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The Colloidal State

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called...

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Related Experiment Video

Updated: Apr 23, 2026

Large-area Scanning Probe Nanolithography Facilitated by Automated Alignment and Its Application to Substrate Fabrication for Cell Culture Studies

Large-area Scanning Probe Nanolithography Facilitated by Automated Alignment and Its Application to Substrate Fabrication for Cell Culture Studies

Published on: June 12, 2018

Colloidal pen lithography.

Mianqi Xue¹, Xiaojing Cai, Ghenfu Chen

¹Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing, 100190, China; Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China.

Small (Weinheim an Der Bergstrasse, Germany)

|October 8, 2014

Summary

This summary is machine-generated.

Colloidal pen lithography offers a low-cost, high-throughput method for creating detailed protein arrays. This technique utilizes self-assembled colloidal arrays for precise patterning, paving the way for advanced protein chip development.

Keywords:

colloidal pen lithography lithography protein chips scanning probe lithography self-assembly

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Last Updated: Apr 23, 2026

Large-area Scanning Probe Nanolithography Facilitated by Automated Alignment and Its Application to Substrate Fabrication for Cell Culture Studies

Large-area Scanning Probe Nanolithography Facilitated by Automated Alignment and Its Application to Substrate Fabrication for Cell Culture Studies

Published on: June 12, 2018

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Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

Area of Science:

Materials Science
Biotechnology
Nanotechnology

Background:

Scanning probe contact printing is crucial for microscale patterning.
Developing cost-effective, high-throughput methods remains a challenge.

Purpose of the Study:

To introduce colloidal pen lithography as a novel patterning technique.
To demonstrate its capability in creating protein arrays.
To assess its feasibility for protein chip fabrication.

Main Methods:

Utilized self-assembled colloidal arrays embedded in a soft elastomeric stamp.
Employed scanning probe contact printing for high-throughput patterning.
Investigated protein specificity reorganization on patterned surfaces.

Main Results:

Successfully patterned protein arrays with feature sizes from 100 nm to several micrometers.
Demonstrated the low-cost and high-throughput nature of the method.
Provided evidence for the method's feasibility in creating protein chips.

Conclusions:

Colloidal pen lithography is a viable technique for fabricating protein microarrays.
The method offers a promising avenue for developing advanced protein chips.
Its scalability and cost-effectiveness make it suitable for broader applications.