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Related Concept Videos

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...
DNA Isolation01:34

DNA Isolation

DNA from cells is required for many biotechnology and research applications, such as molecular cloning. To remove and purify DNA from cells, researchers use various methods of DNA extraction. While the specifics of different protocols may vary, some general concepts underlie the process of DNA extraction.
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...
Single-Strand DNA Binding Proteins01:03

Single-Strand DNA Binding Proteins

For successful DNA replication, the unwinding of double-stranded DNA must be accompanied by stabilization and protection of the separated single strands of the DNA. This crucial task is performed by single-strand DNA-binding (SSB) proteins. They bind to the DNA in a sequence-independent manner, which means that the nitrogenous bases of the DNA need not be present in a specific order for binding of SSB proteins to it. The binding of SSB proteins straightens single-stranded DNA (ssDNA) and makes...

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Related Experiment Video

Updated: Jul 10, 2026

Phthalic Acid Ester-Binding DNA Aptamer Selection, Characterization, and Application to an Electrochemical Aptasensor
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Phthalic Acid Ester-Binding DNA Aptamer Selection, Characterization, and Application to an Electrochemical Aptasensor

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Sequence-selective extraction of single-stranded DNA using DNA-functionalized reverse micelles.

Tatsuo Maruyama1, Takuya Hosogi, Masahiro Goto

  • 1Department of Applied Chemistry, Graduate School of Engineering and Center for Future Chemistry, Kyushu University, 744 Moto-oka, Fukuoka 819-0395, Japan. tmarutcm@mbox.nc.kyushu-u.ac.jp

Chemical Communications (Cambridge, England)
|November 1, 2007
PubMed
Summary
This summary is machine-generated.

This study introduces a novel method for DNA extraction using reverse micelles, enabling selective separation of target DNA sequences. This technique facilitates efficient purification of specific DNA strands from complex mixtures.

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A Droplet-Based Microfluidic Approach and Microsphere-PCR Amplification for Single-Stranded DNA Amplicons

Published on: November 14, 2018

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Chemical Engineering

Background:

  • Selective DNA extraction is crucial for molecular biology applications.
  • Current methods can be complex and inefficient for specific oligonucleotide separation.

Purpose of the Study:

  • To develop a sequence-specific method for single-stranded DNA (ssDNA) extraction.
  • To utilize reverse micelle technology for efficient DNA purification.

Main Methods:

  • Employing reverse micelles (water-in-oil microemulsions) for liquid/liquid extraction.
  • Utilizing a DNA-surfactant for sequence-specific hybridization.
  • Facilitating selective transport of complementary target DNA into an organic phase.

Main Results:

  • Demonstrated sequence-specific extraction of ssDNA.
  • Achieved selective transport of target DNA to the organic phase.
  • Successfully separated target DNA from a mixture of oligonucleotides.

Conclusions:

  • Reverse micelle-based extraction offers a powerful tool for sequence-specific DNA purification.
  • This method provides an efficient approach for isolating specific DNA sequences.
  • The technique has potential applications in molecular diagnostics and synthetic biology.