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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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Updated: Jul 2, 2026

Fabrication and Use of MicroEnvironment microArrays (MEArrays)
11:57

Fabrication and Use of MicroEnvironment microArrays (MEArrays)

Published on: October 11, 2012

Development and application of a microarray meter tool to optimize microarray experiments.

Richard J D Rouse1, Katrine Field, Jennifer Lapira

  • 1Biomedical Genomics Microarray Facility (BIOGEM), La Jolla CA 92093, USA. rjdrouse@htresources.com

BMC Research Notes
|August 20, 2008
PubMed
Summary
This summary is machine-generated.

A new microarray meter tool ensures DNA microarray quality control. This device assesses array quality by measuring DNA content and probe performance, minimizing experimental variations for reliable data.

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Last Updated: Jul 2, 2026

Fabrication and Use of MicroEnvironment microArrays (MEArrays)
11:57

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DNA Microarrays: Sample Quality Control, Array Hybridization and Scanning
09:27

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Published on: March 15, 2011

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Published on: October 28, 2011

Area of Science:

  • Biotechnology
  • Genomics
  • Molecular Biology

Background:

  • Microarray experiments depend on precise interactions between slide chemistry, printing pins, nucleic acid probes/targets, and hybridization conditions.
  • Optimizing these parameters and evaluating new slide chemistries are crucial for large-scale microarray fabrication.
  • Variations in microarray measurement must be assessed before initiating extensive array production.

Purpose of the Study:

  • To develop a quality control tool, the 'microarray meter,' for assessing variations in DNA microarray experiments.
  • To provide a method for evaluating the consistency of microarray manufacturing and experimental processes.

Main Methods:

  • The microarray meter utilizes nucleic acid targets and probe components.
  • Different plate designs were created for various robotic and pin configurations.
  • Probe quality and quantity were assessed using three robots with capillary printing pins, examining DNA printed and remaining post-hybridization.

Main Results:

  • The study examined variability in probe quality and quantity across different robotic printing setups.
  • The microarray meter was designed to assess DNA content for every feature on the array.
  • The tool provides post-hybridization analysis by scoring probe performance based on signal intensity variability, signal dynamic range, and spot morphology variability.

Conclusions:

  • Consistent quality control of DNA microarray manufacturing and experimental processes is essential for generating high-quality data.
  • Spot reproducibility is a key indicator of printing variations.
  • The developed microarray meter offers a comprehensive assessment of array quality, aiding in the optimization of microarray experiments.