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In vitro Assembly of Semi-artificial Molecular Machine and its Use for Detection of DNA Damage
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An origami paper-based analytical device for DNA damage analysis.

Wei Xue1, Dan Zhao1, Qiang Zhang2

  • 1School of Environmental Science and Technology, Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian University of Technology, Dalian, 116024 (China); Dalian POCT laboratory, Dalian, 116024, China. mliu@dlut.edu.cn.

Chemical Communications (Cambridge, England)
|October 15, 2021
PubMed
Summary

We created a paper-based device for fast DNA damage detection. This tool aids genotoxicity testing and drug screening by simplifying complex lab procedures.

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Area of Science:

  • Biomedical Engineering
  • Analytical Chemistry
  • Genotoxicology

Background:

  • DNA damage detection is crucial for assessing chemical safety and biological responses.
  • Current methods for DNA damage assessment can be time-consuming and require specialized equipment.
  • There is a need for rapid, accessible, and high-throughput methods for genotoxicity testing.

Purpose of the Study:

  • To develop a fully integrated origami paper-based analytical device (oPAD) for the detection and characterization of DNA damage.
  • To enable rapid, simple, and high-throughput assessment of DNA damage induced by exogenous agents.
  • To provide a cost-effective and user-friendly platform for genotoxicity testing and drug screening.

Main Methods:

  • Development of an origami paper-based analytical device (oPAD).
  • Integration of on-device cell lysis, DNA extraction, and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) reaction.
  • Utilized simple operation steps for signal readout and analysis.
  • Assessed DNA damage induced by exogenous chemical agents.

Main Results:

  • The oPAD successfully integrated multiple steps for DNA damage assessment on a single paper platform.
  • The device enabled rapid analysis of DNA damage within 30 minutes.
  • The method demonstrated high throughput capability for assessing multiple DNA damages.
  • The oPAD provides a simple and efficient means for detecting chemical-induced DNA damage.

Conclusions:

  • The developed oPAD offers a fully integrated, rapid, and user-friendly solution for DNA damage detection.
  • This technology has significant potential for applications in genotoxicity testing, drug screening, and environmental health monitoring.
  • The oPAD represents a promising advancement in point-of-care diagnostics for chemical safety assessment.