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DNA Microarrays

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...

Proteomics

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...

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Updated: Jul 8, 2026

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

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

Published on: August 26, 2013

Quantification of small molecules using microarray technology.

Martin Dufva¹, Claus B V Christensen

¹Department of Micro and Nanotechnology, Technical University of Denmark, Lyngby.

Methods in Molecular Biology (Clifton, N.J.)

|January 29, 2008

Summary

This summary is machine-generated.

Microarray analysis offers a sensitive and parallel method for detecting small molecules like pesticides. This technique enhances detection capabilities without prior sample concentration, improving upon traditional analytical methods.

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DNA Microarrays: Sample Quality Control, Array Hybridization and Scanning

DNA Microarrays: Sample Quality Control, Array Hybridization and Scanning

Published on: March 15, 2011

Area of Science:

Analytical Chemistry
Biotechnology
Environmental Science

Background:

Small molecule detection (e.g., hormones, pesticides) is crucial in clinical and environmental monitoring.
Traditional methods like chromatography and mass spectrometry are often complex and time-consuming.
Microarray technology presents a novel approach for sensitive and specific molecular detection.

Purpose of the Study:

To present a protocol for pesticide detection using microarray analysis.
To highlight the advantages of microarrays over traditional methods for small molecule detection.

Main Methods:

Utilizing the specific binding of a binder (e.g., antibody) to a target molecule on a microarray.
Performing quantitative analysis of target molecules.
Demonstrating the protocol for pesticide detection.

Main Results:

Microarray analysis achieves high sensitivity, sufficient for clinical markers and regulatory pesticide levels.
The technique allows for simultaneous analysis of multiple targets from a single sample (parallelism).
Sample pre-concentration is not required, simplifying the process.

Conclusions:

Microarray analysis is a powerful, sensitive, and parallel technique for small molecule detection.
This method offers a viable alternative to traditional analytical procedures for environmental and clinical monitoring.
The presented protocol enables efficient pesticide detection.