Efficient Removal of Platelets from Blood Using a Micro-Chip
Author Information
Author(s): Dykes Josefina, Lenshof Andreas, Åstrand-Grundström Ing-Britt, Laurell Thomas, Scheding Stefan
Primary Institution: Lund University, Lund, Sweden
Hypothesis
Can a microchip-based acoustophoresis technique effectively remove platelets from peripheral blood progenitor cell products while preserving other cell populations?
Conclusion
The acoustophoresis technique can efficiently deplete platelets from PBPC samples while maintaining the viability and functionality of target stem/progenitor cells.
Supporting Evidence
- The median separation efficiency of leukocytes was 98%, while platelets were depleted by 89%.
- Cell viability was maintained at 98% across PBPC samples, target, and waste fractions.
- Colony-forming ability of progenitor cells was preserved post-sorting.
Takeaway
Scientists created a special chip that uses sound waves to remove platelets from blood without hurting the important cells that help our body make new blood.
Methodology
PBPC samples were obtained from patients and healthy donors, sorted on an acoustophoresis chip, and analyzed for cell recovery, purity, and functionality.
Potential Biases
One author is affiliated with a company developing acoustophoresis applications, which may introduce bias.
Limitations
The study did not directly compare acoustophoresis with other separation techniques in a clinical setting.
Participant Demographics
Samples were obtained from 15 patients and 6 healthy donors.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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