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Related Experiment Video

Updated: Apr 4, 2026

Multiplexed Barcoding Image Analysis for Immunoprofiling and Spatial Mapping Characterization in the Single-Cell Analysis of Paraffin Tissue Samples

Multiplexed Barcoding Image Analysis for Immunoprofiling and Spatial Mapping Characterization in the Single-Cell Analysis of Paraffin Tissue Samples

Published on: April 7, 2023

Fiber composite slices for multiplexed immunoassays.

Jiyun Kim¹, Sangwook Bae, Seowoo Song

¹Nano Systems Institute, Seoul National University , Seoul 151-744, South Korea.

Biomicrofluidics

|September 5, 2015

Summary

Researchers developed a novel, low-cost method for creating multiplexed immunoassay platforms using functionalized cotton threads. This scalable technique enables the fabrication of microarray-like particles for diverse bioassay applications.

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Area of Science:

Biotechnology
Materials Science
Analytical Chemistry

Background:

Multiplexed immunoassay platforms are crucial for simultaneous detection of multiple analytes.
Current fabrication methods for these platforms are often time-consuming and expensive due to individual reaction chamber functionalization.

Purpose of the Study:

To introduce a novel, low-cost, and scalable fabrication method for multiplexed immunoassay platforms.
To demonstrate the feasibility of using functionalized cotton threads for heterogeneous bioassay development.

Main Methods:

Functionalization of cotton fibers with antibodies.
Arrangement of functionalized fibers into a bundle.
Sectioning of the fiber bundle to create microarray-like particles with predefined surface architecture.

Main Results:

Demonstrated the successful fabrication of multiplexed immunoassay platforms using cotton threads.
Achieved quantitative 7-plex immunoassays using the fabricated thread-based microarray particles.
The method allows for heterogeneous substrate composition within individual particles.

Conclusions:

The developed cotton thread-based fabrication method offers a versatile, cost-effective, and highly scalable approach for creating multiplexed bioassay platforms.
This technique has the potential to significantly reduce manufacturing time and cost for advanced diagnostic tools.