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  2. Cell cycle analysis - Wikipedia

    en.wikipedia.org/wiki/Cell_cycle_analysis

    Cell cycle analysis by DNA content measurement is a method that most frequently employs flow cytometry to distinguish cells in different phases of the cell cycle.Before analysis, the cells are usually permeabilised and treated with a fluorescent dye that stains DNA quantitatively, such as propidium iodide (PI) or 4,6-diamidino-2-phenylindole (DAPI).

  3. Immunostaining - Wikipedia

    en.wikipedia.org/wiki/Immunostaining

    Cells are immunostained in solution using methods similar to those used for immunofluorescence, and then analysed by flow cytometry. [citation needed] Flow cytometry has several advantages over IHC including: the ability to define distinct cell populations by their size and granularity; the capacity to gate out dead cells; improved sensitivity ...

  4. 7-Aminoactinomycin D - Wikipedia

    en.wikipedia.org/wiki/7-aminoactinomycin_D

    7-AAD is also used as a cell viability stain. Cells with compromised membranes will stain with 7-AAD, while live cells with intact cell membranes will remain dark. Viability of the cells in flow cytometry should be around 95% but not less than 90%. [4] Flow cytometry using 7-AAD, wherein a lower signal indicates viable cells. Therefore, this ...

  5. Flow cytometry - Wikipedia

    en.wikipedia.org/wiki/Flow_cytometry

    Flow cytometry (FC) is a technique used to detect and measure the physical and chemical characteristics of a population of cells or particles. [1] [2] [3] [4]In this process, a sample containing cells or particles is suspended in a fluid and injected into the flow cytometer instrument.

  6. Immunophenotyping - Wikipedia

    en.wikipedia.org/wiki/Immunophenotyping

    Immunophenotyping is a very common flow cytometry test in which fluorophore-conjugated antibodies are used as probes for staining target cells with high avidity and affinity. This technique allows rapid and easy phenotyping of each cell in a heterogeneous sample according to the presence or absence of a protein combination. [1]

  7. CyTOF - Wikipedia

    en.wikipedia.org/wiki/CyTOF

    The cell staining follows the same procedures as in fluorescent staining for flow cytometry. [14] To distinguish between live and dead cells, cells can be probed with rhodium, an intercalator which can only penetrate dead cells. Then all cells are fixed and stained with iridium, which penetrates all cells, to be able to visualize which are ...

  8. Tetramer assay - Wikipedia

    en.wikipedia.org/wiki/Tetramer_assay

    The tetramers are labeled with a fluorophore, allowing tetramer-bound T-cells to be analyzed with flow cytometry. [4] Quantification and sorting of T-cells by flow cytometry enables researchers to investigate immune response to viral infection and vaccine administration as well as functionality of antigen-specific T-cells. [5]

  9. TUNEL assay - Wikipedia

    en.wikipedia.org/wiki/TUNEL_assay

    The fluorochrome-based TUNEL assay applicable for flow cytometry, combining the detection of DNA strand breaks with respect to the cell cycle-phase position, was originally developed by Gorczyca et al. [4] Concurrently, the avidin-peroxidase labeling assay applicable for light absorption microscope was described by Gavrieli et al. [5] Since 1992 the TUNEL has become one of the main methods for ...

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