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Separation of Biological Particles in a Modular Platform of Cascaded Deterministic Lateral Displacement Modules

Pariset, Eloise ; Parent, Charlotte ; Fouillet, Yves ; Verplanck, Nicolas ; Revol-Cavalier, Frédéric ; Thuaire, Aurélie ; Agache, Vincent

Scientific Reports (Nature Publisher Group), Dec 2018, Vol.8, pp.1-10 [Tạp chí có phản biện]

E-ISSN: 20452322 ; DOI: 10.1038/s41598-018-34958-8

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  • Nhan đề:
    Separation of Biological Particles in a Modular Platform of Cascaded Deterministic Lateral Displacement Modules
  • Tác giả: Pariset, Eloise ; Parent, Charlotte ; Fouillet, Yves ; Verplanck, Nicolas ; Revol-Cavalier, Frédéric ; Thuaire, Aurélie ; Agache, Vincent
  • Chủ đề: Cancer ; Erythrocytes ; Automation ; Bacteria ; Prostate ; Blood Cells ; Prostate Cancer
  • Là 1 phần của: Scientific Reports (Nature Publisher Group), Dec 2018, Vol.8, pp.1-10
  • Mô tả: Deterministic lateral displacement (DLD) has been extensively implemented in the last decade for size-based sample preparation, owing to its high separation performances for a wide range of particle dimensions. However, separating particles from 1 μm to 10 μm in one single DLD device is challenging because of the required diversity of pillar dimensions and inherent fabrication issues. This paper presents an alternative approach to achieve the extraction of E. coli bacteria from blood samples spiked with prostate cancer cells. Our approach consists in cascading individual DLD devices in a single automated platform, using flexible chambers that successively collect and inject the sample between each DLD stage without any external sample manipulation. Operating DLD separations independently enables to maximize the sorting efficiency at each step, without any disturbance from downstream stages. The proposed two-step automated protocol is applied to the separation of three types of components (bacteria, blood particles and cancer cells), with a depletion yield of 100% for cancer cells and 93% for red blood cells. This cascaded approach is presented for the first time with two DLD modules and is upscalable to improve the dynamic range of currently available DLD devices.
  • Ngôn ngữ: English
  • Số nhận dạng: E-ISSN: 20452322 ; DOI: 10.1038/s41598-018-34958-8

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