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Microfluidic bead encapsulation above 20 kHz with triggered drop formation.


ABSTRACT: Microsphere beads are functionalized with oligonucleotides, antibodies, and other moieties to enable specific detection of analytes. Droplet microfluidics leverages this for single-molecule or -cell analysis by pairing beads and targets in water-in-oil droplets. Pairing is achieved with devices operating in the dripping regime, limiting throughput. Here, we describe a pairing method that uses beads to trigger the breakup of a jet into monodispersed droplets. We use the method to pair 105 Human T cells with polyacrylamide beads ten times faster than methods operating in the dripping regime. Our method improves the throughput of bead-based droplet workflows, enabling analysis of large populations and the detection of rare events.

SUBMITTER: Clark IC 

PROVIDER: S-EPMC6251341 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Microfluidic bead encapsulation above 20 kHz with triggered drop formation.

Clark Iain C IC   Abate Adam R AR  

Lab on a chip 20181026 23


Microsphere beads are functionalized with oligonucleotides, antibodies, and other moieties to enable specific detection of analytes. Droplet microfluidics leverages this for single-molecule or -cell analysis by pairing beads and targets in water-in-oil droplets. Pairing is achieved with devices operating in the dripping regime, limiting throughput. Here, we describe a pairing method that uses beads to trigger the breakup of a jet into monodispersed droplets. We use the method to pair 10<sup>5</s  ...[more]

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