DualLuciferaseReporterAssaySystem;promegaE1910现货进口原装,其它生化试剂

产地：promega
货号：E1910
名称：Dual-Luciferase Reporter Assay
The Dual-Luciferase® Reporter (DLR™) Assay System provides an efficient means of performing two reporter assays. In the DLR™ Assay, the activities of firefly (Photinus pyralis) and Renilla (Renilla reniformis or sea pansy) luciferases are measured sequentially from a single sample. The firefly luciferase reporter is measured first by adding Luciferase Assay Reagent II (LAR II) to generate a luminescent signal lasting at least one minute. After quantifying the firefly luminescence, this reaction is quenched, and the Renilla luciferase reaction is initiated simultaneously by adding Stop & Glo® Reagent to the same sample. Both assays can be completed in about 4 seconds using a luminometer with reagent auto-injectors. In the DLR™ Assay System, both reporters yield linear assays with attomole (<10–18) sensitivities and no endogenous activity in the experimental host cells. Furthermore, the integrated format of the DLR™ Assay provides rapid quantitation of both reporters either in transfected cells or in cell-free transcription/translation reactions.
For best results with the Dual-Luciferase® Assay, Promega recommends using a luminometer that has been validated for use with the assay. These luminometers are qualified as DLReady™. For a listing of qualified instruments, please visit the DLReady™ Validated Luminometers page.
The pGL4 Luciferase Reporter Vectors are designed for use with the DLR™ Assay Systems. A Renilla luciferase vector with constitutive expression may be used in combination with any experimental firefly luciferase vector to co-transfect mammalian cells.
Notice for Cat.# E1960 and E1980: Sufficient Passive Lysis Buffer is provided to perform 1,000 assays with cells grown in 96-well plates (typically 20μl of 1X PLB per well). For applications requiring more lysis reagent (e.g., >100μl/well), additional Passive Lysis Buffer may be purchased separately.
Features - BenefitsGreater Accuracy: Renilla luciferase internal control allows for more accurate results.
Convenient: Samples don't have to be split, which saves plates and time.
Sensitive: Allows study of weak promoters, low-level expression/regulation, and expression in cells that transfect poorly.
Linear: Range extends 7 logs; very active samples typically do not need dilution.
ApplicationsFor more information, see the Protocols & Applications Guide.

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