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Related Experiment Videos

[A device for sample pretreatment during flow cytometry].

V V Zenin1, N D Aksenov, A N Shatrova

  • 1Institute of Cytology, Russian Academy of Sciences, St. Petersburg, Russia.

Biofizika
|July 27, 1999
PubMed
Summary
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A novel magnetic microstirrer device efficiently mixes samples, breaks cell aggregates, and releases cellular contents for advanced flow cytofluorimetric analysis. This technology enhances studies of cellular processes, cell cycles, and karyotypes.

Area of Science:

  • Biotechnology and Biomedical Engineering
  • Cell Biology and Cytometry

Context:

  • Flow cytofluorimetric analysis requires precise sample preparation for accurate results.
  • Traditional methods can be time-consuming and may not effectively address cell aggregation or membrane integrity.

Purpose:

  • To introduce a new device, the magnetic microstirrer, for the preliminary treatment of biological samples.
  • To enable efficient mixing, cell aggregate disintegration, and cell membrane disruption prior to flow analysis.

Summary:

  • The magnetic microstirrer facilitates essential pre-analytical steps: reagent mixing, aggregate dissociation, and cellular content release.
  • It prepares samples for flow cytofluorimetric analysis by ensuring single-cell suspension and accessibility of intracellular components like chromosomes and nuclei.

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Impact:

  • Improves the study of rapid cellular kinetics in flow.
  • Enables more accurate cell cycle analysis.
  • Facilitates the detailed study of karyotypes from single mitotic cells.