Evidence map›Paper›PMID 32900183›Full record

ArticleAnalytical chemistry2020

Double Emulsion Picoreactors for High-Throughput Single-Cell Encapsulation and Phenotyping via FACS.

Kara K Brower, Margarita Khariton, Peter H Suzuki, Chris Still, Gaeun Kim, Suzanne G K Calhoun, Lei S Qi, Bo Wang, Polly M Fordyce

Abstract read
In one paragraph

Article in Analytical chemistry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed.

  1. Article
  2. Review
  3. Acoustic printing of conductive polymers.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  4. Osmotically Tunable Microdroplets Enable Amplification-Free CRISPR Detection of Gene Doping.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
    Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Kara K BrowerDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.
Margarita KharitonDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.
Peter H SuzukiDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.
Chris StillInstitute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California 94305, United States.
Gaeun KimDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.
Suzanne G K CalhounDepartment of Chemical Engineering, Stanford University, Stanford, California 94305, United States.
Lei S QiDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.
Bo WangDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.
Polly M FordyceDepartment of Bioengineering, Stanford University, Stanford, California 94305, United States.ORCID 0000-0002-9505-0638

Funding

Leveraging spectral encoding for high dimensional biological multiplexingDP2GM123641 · NIGMS · STANFORD UNIVERSITY · PI FORDYCE, POLLY MORRELL · 2016 to 2016
$2.4M
Stanford Chem-H Chemistry/Biology Interface Predoctoral Training ProgramT32GM120007 · NIGMS · STANFORD UNIVERSITY · PI BERTOZZI, CAROLYN · 2016 to 2020
$1.2M
NIGMS NIH HHS DP2 GM123641NIGMS NIH HHS T32 GM120007
6 · The paper itself

Abstract

In the past five years, droplet microfluidic techniques have unlocked new opportunities for the high-throughput genome-wide analysis of single cells, transforming our understanding of cellular diversity and function. However, the field lacks an accessible method to screen and sort droplets based on cellular phenotype upstream of genetic analysis, particularly for large and complex cells. To meet this need, we developed Dropception, a robust, easy-to-use workflow for precise single-cell encapsulation into picoliter-scale double emulsion droplets compatible with high-throughput screening via fluorescence-activated cell sorting (FACS). We demonstrate the capabilities of this method by encapsulating five standardized mammalian cell lines of varying sizes and morphologies as well as a heterogeneous cell mixture of a whole dissociated flatworm (5-25 μm in diameter) within highly monodisperse double emulsions (35 μm in diameter). We optimize for preferential encapsulation of single cells with extremely low multiple-cell loading events (<2% of cell-containing droplets), thereby allowing direct linkage of cellular phenotype to genotype. Across all cell lines, cell loading efficiency approaches the theoretical limit with no observable bias by cell size. FACS measurements reveal the ability to discriminate empty droplets from those containing cells with good agreement to single-cell occupancies quantified via microscopy, establishing robust droplet screening at single-cell resolution. High-throughput FACS screening of cellular picoreactors has the potential to shift the landscape of single-cell droplet microfluidics by expanding the repertoire of current nucleic acid droplet assays to include functional phenotyping.

Indexed as

Flow CytometryHigh-Throughput Screening AssaysMicrofluidic Analytical TechniquesSingle-Cell AnalysisAnimalsCell EncapsulationCell LineMiceParticle SizePhenotypeSurface Properties

Identifiers

PMID32900183
PMCPMC7670281

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.