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Sigma Aldrich Fine Chemicals Biosciences BioTracker 650 Red Nuclear

Catalog No. 502906551
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The nucleus is a membrane-enclosed organelle found in eukaryotic cells. Cell nuclei contain most of the cells genetic material organized as multiple long linear DNA molecules in complex with a large variety of proteins such as histones to form chromosomes. Traditionally DNA stains such as DAPI and Hoechst have been used for microscopy but require fixation and cannot be used for live cell imaging.The BioTracker 650 Red Nuclear Dye is a cell-membrane permeable red fluorescent DNA dye that specifically stains nuclei in live or fixed cells. It has excellent specificity for DNA without the need for a wash step and it has low toxicity for live cell imaging. The dye is supplied with a vial of verapamil an efflux pump inhibitor that may improve probe retention and live cell staining in certain cell types.Spectral PropertiesAbsorbance 650nmEmission 675nm

Catalog No. 50-290-6551 Supplier Sigma Aldrich Fine Chemicals Biosciences Supplier No. SCT119
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The nucleus is a membrane-enclosed organelle found in eukaryotic cells. Cell nuclei contain most of the cells genetic material organized as multiple long linear DNA molecules in complex with a large variety of proteins such as histones to form chromosomes. Traditionally DNA stains such as DAPI and Hoechst have been used for microscopy but require fixation and cannot be used for live cell imaging.The BioTracker 650 Red Nuclear Dye is a cell-membrane permeable red fluorescent DNA dye that specifically stains nuclei in live or fixed cells. It has excellent specificity for DNA without the need for a wash step and it has low toxicity for live cell imaging. The dye is supplied with a vial of verapamil an efflux pump inhibitor that may improve probe retention and live cell staining in certain cell types.Spectral PropertiesAbsorbance 650nmEmission 675nm

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