Invitrogen™ 5-(and-6)-Carboxy SNARF™-1, Acetoxymethyl Ester, Acetate
On demand
Order number :
C1272
Invitrogen™ 5-(and-6)-Carboxy SNARF™-1, Acetoxymethyl Ester, Acetate
Carboxy SNARF™-1, acetoxymethyl ester, acetate is a cell-permeant pH indicator that has a pKa of ∼7.5 after de-esterification; thus, it is useful for measuring pH changes between pH 7 and pH 8. Carboxy-SNARF™-1 exhibits a significant pH-dependent emission shift from yellow-orange to deep red fluorescence under acidic and basic conditions, respectively. This pH dependence allows the ratio of the fluorescence intensities from the dye at two emission wavelengths - typically 580 nm and 640 nm - to be used for quantitative determinations of pH
For Use With (Equipment): Fluorescence Microscope, Flow Cytometer, Microplate Reader
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