Step by step Flow Cytometry Protocol

Albeit most Flow Cytometry System includes marking populaces of cells that are moderately plentiful, the quantity of cells required will change contingent on the uncommonness of your cells. When all is said in done, scientists will recolour between 1 x 105 and 1 x 106 cells for each example. Nonetheless, with surpassing uncommon cell populaces like undifferentiated organism subsets or explicit coursing cell types, acquiring a satisfactory number of occasions to translate your information may require 1 x 109 or more prominent cell checks. In a perfect world, with these or any examples, you need to break down at least 100 occasions so as to keep the COV of like examples under 10%. In case you're recolouring another populace of cells, we are here to help. Contact our accomplished specialized help group for recolouring guidance for your examples.

Get cell suspensions

For non-follower cell populaces, wash cells (resuspend in cradle, axis at 400 x g for 5 minutes, suction cushion, and resuspend in a suitable volume of new support) in stream cytometry recolouring cradle, resuspend and resuspend in a little volume of support.

For disciple cell populaces, wash cells (like a media trade) in stream cytometry recolouring support and gather cells by tenderly scratching the dish, plate, or culture carafe. Stay away from trypsin if conceivable as it might harm cell surface proteins. Collagenase or comparative might be utilized if scratching isn't adequate for recuperating disciple cells. Quickly wash cells (as depicted in 1a) again and resuspend in a modest quantity of stream cytometry recolouring support.

For tissue tests, acquire a phone suspension homogenizing tissue in recolouring cradle by squeezing the example through a fine work sifter (nylon work) utilizing a perfect syringe plunger from a 3cc syringe, or comparable instrument. This methodology will give adequate homogenization to most tissues, however other enzymatic techniques are accessible for troublesome examples. For instance, enzymatic tissue processing conventions, you can see this convention for gathering adipocytes.

Tally Cells

Delicately blend cell suspension to guarantee a homogenous blend and hold 20-100 ul to tally cells.

Utilize a trypan blue rejection stain or like prohibit dead cells. Acquire cell tallies utilizing a haemocytometer or mechanized cell counter.

Resuspend cells to a proper fixation in stream cytometry recolouring cushion. 1 x 106 cells are regularly utilized for immune response naming of most cell types.

We prescribe making numerous aliquots of cells for each example so as to get estimations in copy.

Immune response Selection

On the off chance that conceivable, consistently utilize straightforwardly conjugated antibodies in stream cytometry to encourage multicolour recolouring and lessen foundation.

Use antibodies conjugated to splendid fluorophores like PE and APC for focuses on that are communicated at low levels.

Have a go at joining fluorophores that are on instrument channels that are far away from one another as much as you can.

To know more about flow cytometry immunology and cell cycle analysis, we will highly recommend you to go to


FACS Staining Protocol , Cell Cycle Analysis , FACS Antibody

Authors articles

Other articles