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DNA Isolation

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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PCR

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Related Experiment Video

Updated: Apr 23, 2026

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

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

Published on: March 21, 2018

Selective on-chip DNA synthesis using electric field-assisted PCR.

Doyeon Lim¹, Youngjun Song^1,2

¹Department of Bioengineering and Nano-Bioengineering, Incheon National University, 119 Academy-ro, Incheon, 22012, Republic of Korea. yjunsong.inu@stdbioelec.com.

|April 22, 2026

Summary

This summary is machine-generated.

This study presents an electric field-assisted polymerase chain reaction (E-PCR) platform for selective DNA synthesis on-chip. This technology enables precise control for applications in DNA data storage and diagnostics.

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Last Updated: Apr 23, 2026

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Area of Science:

Biotechnology
Microfluidics
Molecular Biology

Background:

Current DNA synthesis methods face challenges in scalability and precision.
On-chip nucleic acid manipulation requires advanced control mechanisms.

Purpose of the Study:

To develop a selective on-chip DNA synthesis platform using electric fields.
To demonstrate precise spatial control over DNA immobilization and enzymatic synthesis.
To enhance efficiency and stability for microscale DNA production.

Main Methods:

Utilized a microelectrode array for electric field-assisted polymerase chain reaction (E-PCR).
Employed electric field manipulation for selective DNA immobilization.
Integrated enzyme-mediated single-stranded DNA synthesis with spatial control.

Main Results:

Achieved high-efficiency DNA synthesis with precise spatial control at the microscale.
Demonstrated optimized electric field patterns for improved synthesis outcomes.
Successfully addressed challenges in electrochemical stability and DNA integrity.
Showcased selective and length-controlled DNA synthesis capabilities.

Conclusions:

The E-PCR platform offers a scalable foundation for high-throughput enzymatic DNA synthesis.
This technology holds significant potential for DNA data storage, synthetic biology, and molecular diagnostics.
Provides a novel approach for sensitive nucleic acid detection and synthesis.