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Cell Biolabs Inc OxiSelect™ Intracellular ROS Assay Kit (Green Fluorescence), 96 assays
Supplier: Cell Biolabs Inc STA342
Cell Biolabs’ OxiSelect™ Intracellular ROS Assay Kit is a cell-based assay for measuring hydroxyl, peroxyl, or other reactive oxygen species activity within a cell. The assay employs the cell-permeable fluorogenic probe 2’, 7’-Dichlorodihydrofluorescin diacetate (DCFH-DA). In brief, DCFH-DA is diffused into cells and is deacetylated by cellular esterases to non-fluorescent 2’, 7’-Dichlorodihydrofluorescin (DCFH), which is rapidly oxidized to highly fluorescent 2’, 7’-Dichlorodihydrofluorescein (DCF) by ROS. The fluorescence intensity is proportional to the ROS levels within the cell cytosol. The effect of antioxidant or free radical compounds on DCF-DA can be measured against the fluorescence of the provided DCF standard. The kit has a DCF detection sensitivity limit of 10 pM. Each kit provides sufficient reagents to perform up to 96 assays, including standard curve and unknown samples.
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