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Related Concept Videos

Restriction Enzymes01:11

Restriction Enzymes

Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
DNA Isolation01:24

DNA Isolation

DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...

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Bidirectional Retroviral Integration Site PCR Methodology and Quantitative Data Analysis Workflow
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Published on: June 14, 2017

Integrated microdevice for DNA restriction fragment analysis.

S C Jacobson1, J M Ramsey

  • 1Chemical and Analytical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6142.

Analytical Chemistry
|May 31, 2011
PubMed
Summary
This summary is machine-generated.

This study presents an automated microchip device for rapid DNA analysis. The integrated system performs restriction enzyme digestion and capillary electrophoresis in just 5 minutes for efficient molecular biology workflows.

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Last Updated: Jun 1, 2026

Bidirectional Retroviral Integration Site PCR Methodology and Quantitative Data Analysis Workflow
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Modified Terminal Restriction Fragment Analysis for Quantifying Telomere Length Using In-gel Hybridization
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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Microfluidics

Background:

  • Automated biochemical procedures are crucial for high-throughput analysis.
  • Miniaturization of analytical devices enables faster and more efficient sample processing.

Purpose of the Study:

  • To demonstrate an integrated monolithic device for automated DNA digestion and sizing.
  • To showcase the efficiency of electrokinetic transport for material manipulation in microfluidic channels.

Main Methods:

  • Fabrication of an 8 mm × 10 mm integrated monolithic device.
  • Automated mixing of DNA samples with restriction enzymes in a 0.7-nL chamber.
  • Electrokinetic transport for injecting digested DNA fragments onto a 67-mm capillary electrophoresis channel for sizing.

Main Results:

  • Successful demonstration of an automated biochemical procedure on a single chip.
  • DNA digestion and fragment analysis completed in 5 minutes.
  • Efficient manipulation of materials using electrokinetic transport under computer control.

Conclusions:

  • The integrated device offers a rapid and automated solution for DNA analysis.
  • Microfluidic systems utilizing electrokinetic transport are effective for biochemical assays.
  • This technology has potential for streamlined molecular diagnostics and research applications.