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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...
RNA-seq03:21

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
Labeling DNA Probes03:31

Labeling DNA Probes

DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...

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Updated: Jun 7, 2026

High-Density DNA and RNA microarrays - Photolithographic Synthesis, Hybridization and Preparation of Large Nucleic Acid Libraries
11:22

High-Density DNA and RNA microarrays - Photolithographic Synthesis, Hybridization and Preparation of Large Nucleic Acid Libraries

Published on: August 12, 2019

RNA and DNA microarrays.

Stuart C Sealfon1, Tearina T Chu

  • 1Neurology, Mount Sinai School of Medicine, New York, NY, USA. stuart.sealfon@mssm.edu

Methods in Molecular Biology (Clifton, N.J.)
|October 23, 2010
PubMed
Summary
This summary is machine-generated.

Microarray technology enables simultaneous measurement of thousands of RNA and DNA fragments for gene expression and copy number variation analysis. This essential tool requires careful experimental design for successful application in biological research.

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High-Density DNA and RNA microarrays - Photolithographic Synthesis, Hybridization and Preparation of Large Nucleic Acid Libraries
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Area of Science:

  • Molecular Biology
  • Genomics
  • Biotechnology

Background:

  • Microarray technology has transformed biological research by enabling high-throughput analysis.
  • Traditional methods are limited in scope compared to the simultaneous measurement capabilities of microarrays.

Purpose of the Study:

  • To provide an overview of RNA and DNA microarray methodology.
  • To highlight the diverse applications of microarrays in biological research.
  • To emphasize the importance of experimental design in microarray studies.

Main Methods:

  • Simultaneous measurement of tens of thousands of messenger RNA (mRNA) transcripts for gene expression.
  • Analysis of genomic DNA fragments for copy number variation.

Main Results:

  • Microarrays allow for genome-wide analysis of RNA and DNA.
  • This technology has become indispensable in modern biology and biomedical research.

Conclusions:

  • Microarray technology offers a powerful approach for comprehensive genetic and transcriptomic analysis.
  • Successful implementation hinges on meticulous experimental design and execution.