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Related Concept Videos

DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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Related Experiment Video

Updated: Jun 6, 2026

A Guided Materials Screening Approach for Developing Quantitative Sol-gel Derived Protein Microarrays
10:44

A Guided Materials Screening Approach for Developing Quantitative Sol-gel Derived Protein Microarrays

Published on: August 26, 2013

Microarrays made easy: biofunctionalized hydrogel channels for rapid protein microarray production.

Victoria de Lange1, Andreas Binkert, Janos Vörös

  • 1Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, University and ETH Zurich, Gloriastrasse 35, 8092 Zurich, Switzerland.

ACS Applied Materials & Interfaces
|December 15, 2010
PubMed
Summary

We developed a simple method to create many identical protein microarrays from a single hydrogel block. This technique offers a sensitive and cost-effective way to produce multiplexed biochips for various applications.

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Last Updated: Jun 6, 2026

A Guided Materials Screening Approach for Developing Quantitative Sol-gel Derived Protein Microarrays
10:44

A Guided Materials Screening Approach for Developing Quantitative Sol-gel Derived Protein Microarrays

Published on: August 26, 2013

High-throughput Protein Expression Generator Using a Microfluidic Platform
09:26

High-throughput Protein Expression Generator Using a Microfluidic Platform

Published on: August 23, 2012

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions
08:07

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions

Published on: August 2, 2015

Area of Science:

  • Biotechnology
  • Materials Science
  • Analytical Chemistry

Background:

  • Protein microarrays are crucial for diagnostics and research.
  • Current methods for producing microarrays can be complex and costly.
  • There is a need for accessible and scalable microarray fabrication techniques.

Purpose of the Study:

  • To present a simple, inexpensive, and sensitive technique for producing multiple hydrogel-based protein microarrays.
  • To demonstrate the utility of sliced agarose blocks for creating identical biochips.
  • To establish a rapid and flexible method for multiplexed array production.

Main Methods:

  • Biofunctionalized agarose blocks with 25 channels were prepared.
  • Blocks were sliced perpendicularly to generate numerous identical microarrays.
  • Protein-coated microparticles were immobilized in porous SeaPrep agarose within 500 μm spots.
  • Proteins diffused through the agarose while microparticles remained trapped.

Main Results:

  • The technique allows for rapid, high-throughput production of identical protein microarrays.
  • The limit of detection for a sandwich assay detecting human IgG was 12 pM without extensive optimization.
  • The microarrays are compatible with standard fluorescence-based detection methods.

Conclusions:

  • This method provides a simple, cost-effective, and sensitive approach to protein microarray fabrication.
  • The technique is highly flexible, enabling multiplexed detection.
  • The arrays can be produced quickly without specialized equipment, facilitating broader adoption.