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APO LOGIX Sulforhodamine Caspase Detection Kit™ 
Apoptosis detection and in situ labeling of active caspase in live cells.

• Non-cytotoxic assay arrests further apoptotic activity via caspase inhibition.
• Cell permeablity permits direct visualization of cytosolic apoptotic events.
• Apoptotic cell population does not diminish over time.
• Add reagent directly to cells. No special buffer or media needed. No preparation of cell lysates required. Simple wash procedure.
• Works in diverse cell lines: human, rodent, Drosophila.
• Can be performed in conjunction with Annexin staining, TUNEL, antibody staining, or with other APO LOGIX reagents on the same population of cells.
• Permits high through-put screening. Protocol can be adapted for ex vivo as well as in situ experiments.
• Applications - Works with fluorescence microscope, 96-well fluorescence plate readers
• Yields both quantitative and qualitative results. Gives strong signal with little background noise.

APO LOGIX SR kits contain a generic sulforhodamine labeled caspase inhibitor (sulforhodamine-peptide-fluoromethyl ketone). This reagent is cell permeable and is used on whole cells to detect apoptosis. Apoptotic cells are detected by a fluorescence plate reader or fluorescence microscope using an excitation source at 550nm and measuring emission at 595nm. The assay takes about 1 hr to complete