*Terms and Conditions
25% off the list price. Promotion is available in the United States only when buying directly from Molecular Devices. Purchase order must reference promotion code 25AssayKits17. The offer is to purchase any of the following: EarlyTox Cell Viability Assay Kits, SpectraMax Glo Steady-Luc Reporter Assay Kit, or SpectraMax Quant dsDNA Assay Kit. Valid May 25, 2017 through August 31, 2017. The offer does not include any other options or accessories. This promotion cannot be combined with any other promotions or discounts. No substitutions or swap outs. The discount is not convertible to cash. All prices exclude delivery charges and local taxes, which are the responsibility of the customer. Purchase orders must be received by August 31, 2017. Promotion is not valid for standing orders. The purchase is subject to Molecular Devices standard terms and conditions of sale. All products are for research use only. Void where prohibited. Product Purchase Terms – US.
EarlyTox Live Cell Assay Kit
25% OFF* Use Code 25AssayKits17 at Check Out
This kit enables the detection of the live population of mammalian cells using a fluorescence microplate reader based on the integrity of the cell membrane and the intracellular esterase activity. Calcein AM is a widely used live-cell marker. The non-fluorescent calcein AM permeates the intact cell membrane and is converted into calcein, the fluorescent form, by intracellular esterases. The number of live cells is therefore indicated by the intensity of green fluorescence in the cytosol, with excitation at 495 nm and emission at 530 nm. The low cellular toxicity of calcein AM also enables long-term cell tracing, and cell proliferation assay.
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