Related Experiment Video
Updated: May 21, 2026
16:19
High Throughput Single-cell and Multiple-cell Micro-encapsulation
Published on: June 15, 2012
High-yield cell ordering and deterministic cell-in-droplet encapsulation using Dean flow in a curved microchannel
Evelien W M Kemna1, Rogier M Schoeman, Floor Wolbers
1BIOS, Lab on a Chip group, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands. e.w.m.kemna@ewi.utwente.nl
Lab on a Chip
|June 13, 2012
Summary
This study presents a high-yield method for single cell droplet encapsulation using microfluidics. The technique achieves 77% efficiency and maintains cell viability, improving upon random loading methods for lab-on-a-chip applications.
Area of Science:
- Biotechnology
- Microfluidics
- Cell Biology
Background:
- Single cell encapsulation is crucial for various biological applications.
- Traditional methods face limitations in efficiency and throughput.
- Poisson statistics limit random cell loading to 37% efficiency.
Purpose of the Study:
- To develop a high-yield and high-speed single cell droplet encapsulation technique.
- To overcome the limitations of random cell loading in microfluidic devices.
- To enable deterministic single cell encapsulation for lab-on-a-chip applications.
Main Methods:
- Utilized a Dean-coupled inertial ordering of cells in a curved microchannel.
- Employed a planar curved microchannel structure made of PDMS.
- Spatially ordered HL60 and K562 myeloid leukemic cells.
Main Results:
- Achieved high-yield (77%) and high-speed (2700 cells/s) single cell encapsulation.
- Demonstrated ordering of cells within 1 cm using Dean force.
- Confirmed >90% cell viability post-encapsulation.
Conclusions:
- The passive microfluidic approach offers a simple and efficient solution for single cell encapsulation.
- High throughput and efficiency make it suitable for lab-on-a-chip (LOC) devices.
- This method advances droplet-based platforms for single cell analysis.
