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Related Experiment Video

Updated: Jun 3, 2025

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Aptamer selection via versatile microfluidic platforms and their diverse applications.

Yi-Da Chung1, Yi-Cheng Tsai1, Chi-Hung Wang1

  • 1Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan. gwobin@pme.nthu.edu.tw.

Lab on a Chip
|January 8, 2025
PubMed
Summary
This summary is machine-generated.

Microfluidic platforms enhance aptamer selection through advanced Systematic Evolution of Ligands by Exponential Enrichment (SELEX) methods. These innovations improve efficiency for diagnostics, therapeutics, and biosensing, addressing challenges in biological sample applications.

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Area of Science:

  • Biotechnology and Biomedical Engineering
  • Molecular Biology and Aptamer Technology
  • Microfluidics and Lab-on-a-Chip Systems

Background:

  • Aptamers are high-affinity oligonucleotides crucial for diagnostics, therapeutics, and biosensing.
  • Traditional aptamer selection methods (SELEX) can be time-consuming and labor-intensive.
  • Microfluidic platforms offer enhanced efficiency and scalability for aptamer selection processes.

Purpose of the Study:

  • To review the impact of microfluidic technology on aptamer identification via SELEX.
  • To examine advancements in microfluidic SELEX, including conditional and in vivo-like SELEX.
  • To discuss emerging non-SELEX methods and the future of microfluidics in aptamer development.

Main Methods:

  • Review of microfluidic-integrated SELEX methods over the past decade.
  • Analysis of critical SELEX steps (library preparation, binding, partitioning, amplification) on microfluidic platforms.
  • Examination of alternative aptamer selection strategies like conditional SELEX, in vivo-like SELEX, and non-SELEX.

Main Results:

  • Microfluidic SELEX significantly reduces time and labor compared to conventional methods.
  • Integrated systems offer solutions for challenges in selecting aptamers from biological samples.
  • Non-SELEX methods show promise by eliminating nucleic acid amplification for improved selection.

Conclusions:

  • Microfluidic platforms are versatile for aptamer selection and detection applications.
  • Advancements facilitate therapeutic aptamer development, drug delivery, and targeted interventions.
  • Further research is needed to scale microfluidic systems for clinical applications, despite significant potential.