|Product Includes||Volume (with Count)|
|10X Wash Buffer, Phosphate Buffered Saline (PBS) 12528||1 x 125 ml|
|4% Formaldehyde, Methanol-Free 47746||1 x 20 ml|
|Methanol 13604||2 x 25 ml|
|Flow Cytometry Antibody Dilution Buffer 13616||1 x 25 ml|
All components in this kit are stable for at least 12 months when stored at the recommended temperature and left unused. Formaldehyde fixative should be used within one month after opening. Upon receipt, #13616 should be stored at 4°C. Remaining components should be stored at room temperature.
NOTE: Prior to using this kit, refer to the product webpage for antibodies of interest to determine whether they are validated for Flow Cytometry (F) assays using a methanol permeabilization protocol.
NOTE: When used in conjunction with fluorescent cellular dyes (including viability dyes, DNA dyes, etc.), please refer to the dye product page for recommended protocol. Visit www.cellsignal.com for a listing of flow cytometry validated cellular dyes.
Additional Reagents (Not Supplied):
NOTE: Adherent cells or tissue should be dissociated and in single-cell suspension prior to fixation.
NOTE: Antibodies targeting CD markers or other extracellular proteins may be added prior to fixation if the epitope is disrupted by formaldehyde and/or methanol. The antibodies will remain bound to the target of interest during the fixation and permeabilization process. However, note that some fluorophores (including PE and APC) are damaged by methanol and thus should not be added prior to permeabilization. Conduct a small-scale experiment if you are unsure.
NOTE: Count cells using a hemocytometer or alternative method.
posted August 2018
revised June 2020
Protocol Id: 1728
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