How does cell concentration affect droplet generation and clogging risk?
2026-06-18
Answer:
Cell concentration is a critical parameter that directly influences droplet generation efficiency and system stability.
If the concentration is too high, the probability of cell aggregation and doublet formation increases, which may lead to clogging of microfluidic channels and reduced effective cell capture. High concentrations may also result in uneven droplet occupancy.
Conversely, if the concentration is too low, the number of captured cells will be reduced, leading to lower throughput and inefficient use of sequencing capacity.
Therefore, maintaining the recommended concentration range (typically 700–1200 cells/μL) is essential to achieve optimal performance and minimize technical artifacts.
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