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Difference between revisions of "Flow cytometry"
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==Principles== | ==Principles== | ||
# Label cells with fluorescent antibodies. | # Label cells with fluorescent antibodies. | ||
# Passed through a channel one-at-a-time (using ''hydrodynamic focusing''<ref>URL: [http://www.med.umich.edu/flowcytometry/InitialTraining/lessons/lesson1/index.htm http://www.med.umich.edu/flowcytometry/InitialTraining/lessons/lesson1/index.htm]. Accessed on: 5 August 2010.</ref> | # Passed through a channel one-at-a-time (using ''hydrodynamic focusing''<ref>URL: [http://www.med.umich.edu/flowcytometry/InitialTraining/lessons/lesson1/index.htm http://www.med.umich.edu/flowcytometry/InitialTraining/lessons/lesson1/index.htm]. Accessed on: 5 August 2010.</ref>) and interrogated with a laser light. | ||
==Scatter of light== | |||
Types: | |||
#Forward scatter (FS) -- indicative of cell size. | |||
#Side scatter (SS) -- indicative of cell complexity (granularity). | |||
===Scatter in a table=== | |||
Selected white blood cells & scatter:<ref>URL: [http://www.med.umich.edu/flowcytometry/InitialTraining/lessons/lesson1/images/blood.gif http://www.med.umich.edu/flowcytometry/InitialTraining/lessons/lesson1/images/blood.gif]. Accessed on: 5 August 2010.</ref> | |||
{| class="wikitable" | |||
! | |||
! Forward scatter | |||
! Side scatter | |||
|- | |||
| PMNs | |||
| high | |||
| very high | |||
|- | |||
| Monocytes | |||
| high | |||
| moderate/low | |||
|- | |||
| Lymphocytes | |||
| low | |||
| low | |||
|} | |||
==See also== | ==See also== | ||