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Cytometry

Cytometry

The counting of cells, especially blood cells, using a cytometer or haemocytometer.

flow cytometry, a method of measuring fluorescence from stained cells that are in suspension and flowing through a narrow orifice, usually in combination with one or two lasers to activate the dyes; used to measure cell size, number, viability, and nucleic acid content with the aid of acridine orange, kastens fluorescent feulgen stain, ethidium bromide, trypan blue, and other selected staining reagents.

Synonym: flow cytophotometry.


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Counting plant mitochondria

... of counting extracted plant mitochondria? I would need en exact number of the mitochondria that I extracted. I don't have conditions for Flow cytometry and I'm also not interested in proteins to use Bradford assay. I'm thinking about plase contrast microscopy. Could anyone give me a protocol ...

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by Cromatida
Wed Sep 17, 2008 2:41 pm
 
Forum: Cell Biology
Topic: Counting plant mitochondria
Replies: 0
Views: 424

cells surface staining

to assess the % of gamma/delta T cells in flow cytometry , i use 10µl instead of 20µl/500000 cells of monoclonal antibodies as recommend by the manufacturing. Now i am aking if that will infuence my results. thanks for helps

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by tregis6
Mon Jul 14, 2008 2:33 pm
 
Forum: Cell Biology
Topic: cells surface staining
Replies: 1
Views: 524

Re: Antibodies to ID mouse neutrophils and monocytes

... however I have been told that since neutrophils and monocytes are both highly granulated, they are difficult to be distinguished just by Flow Cytometry. Hence, sorting by Luminex which uses specific antibodies attached to microspheres could be a good tool to separate them.

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by SCIPHILO
Sat Jul 05, 2008 5:26 pm
 
Forum: Cell Biology
Topic: Antibodies to ID mouse neutrophils and monocytes
Replies: 7
Views: 993

FACS Calibration

What type of FACS you are talking about? BD, for example, has tutorials and manuals online, just go to their flow cytometry page and pick your machine. The support pages are at: http://www.bdbiosciences.com/immunocytometry_systems/support/training/ They also have good customer support ...

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by biohazard
Fri May 02, 2008 12:37 pm
 
Forum: Molecular Biology
Topic: FACS Calibration
Replies: 1
Views: 463

E. Coli glycerol stock cytometry

I have recently been trying to count E. coli using a Petroff-Hauser counting chamber. I wanted to count cells straight out of my glycerol stocks, but I am having difficulties. The E. coli looks strange directly after the glycerol stock is thawed. My Procedure: Thaw the E. coli cell bank (glycerol st...

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by Leon Fnord
Wed Nov 28, 2007 11:35 pm
 
Forum: Microbiology
Topic: E. Coli glycerol stock cytometry
Replies: 0
Views: 1441
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