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AnaSpec Introduces Calcein AM for Live Cell Staining
Product News

AnaSpec Introduces Calcein AM for Live Cell Staining

AnaSpec Introduces Calcein AM for Live Cell Staining
Product News

AnaSpec Introduces Calcein AM for Live Cell Staining


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Calcein AM (Calcein acetoxymethyl ester), a non-fluorescent, cell permeable compound, converts to the strongly green fluorescent calcein when hydrolyzed by intracellular esterases in live cells. It is widely used for determining cell viability since the fluorescence intensity of calcein is proportional to the amount of live cells. Calcein is a photostable reagent and is well retained in the cytoplasm of live cells. Calcein is not influenced by intracellular pH. Its bright green fluorescence can be monitored at Ex/Em=494nm /520 nm.

Amongst other reagents, including BCECF, AM and Carboxy-fluorescein diacetate, Calcein AM is the most suitable indicator for staining viable cells due to its low cytotoxicity property. Calcein AM does not affect cell proliferation or viability. Calcein AM is used in cell invasion, adhesion, migration and other cell-based assays.

AnaSpec provides Calcein AM at two purity grades, >90% or >95%, as determined by HPLC. AnaSpec also offers the SensoLyte® Calcein Cell Viability Assay Kit to detect viable cells. This kit provides ample reagents (dye and assay buffer) for 1000 assays in a 96-well plate format.
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