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Difference between revisions of "Flow cytometry"
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# 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. | # 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== | ===Scatter of light=== | ||
Types: | Types: | ||
#Forward scatter (FS) -- indicative of cell size. | #Forward scatter (FS) -- indicative of cell size. | ||
#Side scatter (SS) -- indicative of cell complexity (granularity). | #Side scatter (SS) -- indicative of cell complexity (granularity). | ||
===Scatter in a table=== | ====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> | 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" | {| class="wikitable" | ||
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| low | | low | ||
|} | |} | ||
==Practical considerations== | |||
*Tissue must be fresh, i.e. cannot be [[formalin]] fixed. | |||
**Viable material may be salvaged from the centre of a large specimen placed in formalin for a short time. | |||
*2 mm x 2 mm x 2 mm piece of tissue is sufficient. | |||
**1 mm<sup>3</sup> is considered the minimum by Mayo Medical Laboratories.<ref>URL: [http://www.mayomedicallaboratories.com/test-catalog/Specimen/19499 http://www.mayomedicallaboratories.com/test-catalog/Specimen/19499]. Accessed on: 27 December 2012.</ref> | |||
==Interpretation== | ==Interpretation== | ||