Microfluidic Acoustic Method for High Yield Extraction of Cell-Free DNA in Low-Volume Plasma Samples

Alvaro Jose Conde, Ieva Keraite, Nicholas R. Leslie, Maïwenn Kersaudy-Kerhoas

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Cell-free DNA has many applications in clinical medicine, in particular in cancer diagnosis and cancer treatment monitoring. Microfluidic-based solutions could provide solutions for rapid, cheaper, decentralized detection of cell-free tumoral DNA from a simple blood draw, or liquid biopsies, replacing invasive procedures or expensive scans. In this method, we present a simple microfluidic system for the extraction of cell-free DNA from low volume of plasma samples (≤500 μL). The technique is suitable for either static or continuous flow systems and can be used as a stand-alone module or integrated within a lab-on-chip system. The system relies on a simple yet highly versatile bubble-based micromixer module whose custom components can be fabricated with a combination of low-cost rapid prototyping techniques or ordered via widely available 3D-printing services. This system is capable of performing cell-free DNA extractions from small volumes of blood plasma with up to a tenfold increase in capture efficiency when compared to control methods.

Original languageEnglish
Title of host publicationMicrofluidic Systems for Cancer Diagnosis
PublisherHumana Press
Pages163-180
Number of pages18
ISBN (Electronic)9781071632710
ISBN (Print)9781071632703
DOIs
Publication statusPublished - 11 Jun 2023

Publication series

NameMethods in Molecular Biology
Volume2679
ISSN (Print)1064-3745

Keywords

  • Micromixer
  • Microfluidics - methods
  • Liquid biopsy
  • Cell-free DNA
  • Microfluidics
  • Acoustofluidics
  • Lab-On-A-Chip Devices
  • Cell-Free Nucleic Acids
  • Oligonucleotide Array Sequence Analysis
  • Liquid Biopsy

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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