Related Experiment Video
Updated: Jul 19, 2026

05:33
Using Modified Synthetic Oligonucleotides to Assay Nucleic Acid-Metabolizing Enzymes
Published on: July 5, 2024
Assessing incomplete deprotection of microarray oligonucleotides in situ.
Holly K Dressman1, Lise Barley-Maloney, Laura-Leigh Rowlette
1Center for Genome Technology, Institute for Genome Science and Policy, Duke University, Durham, NC, USA.
Nucleic Acids Research
|October 6, 2006
Summary
Incomplete removal of chemical protecting groups can compromise microarray quality. We developed a sensitive method using monoclonal antibodies for in situ detection, improving data accuracy in gene analysis.
Area of Science:
- Molecular Biology
- Biotechnology
- Genomics
Background:
- Array technologies enable large-scale gene analysis, impacting biology and medicine.
- Microarray data accuracy is threatened by low-quality probes due to incomplete chemical protecting group removal.
Purpose of the Study:
- To develop a quality control method for microarrays.
- To detect residual chemical protecting groups on array probes.
Main Methods:
- Development of a sensitive and specific detection method.
- Utilized monoclonal antibodies for in situ detection.
- Employed existing instrumentation for screening.
Main Results:
- Successfully detected chemical protecting groups in situ on arrays.
- Demonstrated the method's sensitivity and specificity.
- Validated the utility of monoclonal antibodies for quality control.
Conclusions:
- The developed method effectively addresses microarray probe quality control.
- In situ detection of protecting groups enhances the reliability of microarray data.
- This quality control approach is crucial for accurate biological and medical research using arrays.
Related Concept Videos
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...
In-situ Hybridization
In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled probe. The technique was first used in 1969 for the investigation of nucleic acids. It is currently an essential tool in scientific research and clinical settings, especially for diagnostic purposes.
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...

