Dual-Luciferase(R) Reporter Assay System 10-Pack ยี่ห้อ Promega (Stroge. Temp -30C TO -10C)
รหัสสินค้า : E1960
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Dual-Luciferase® Reporter Assay System
Detect firefly and Renilla Luciferase Activities in a Single Sample
- Renilla luciferase internal control provides more accurate results
- Range extends over 7 logs; very active samples typically do not need dilution
- Requires luminometer with 2 injectors
Sensitive, Rapid and Convenient Dual-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, we recommend 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.
Assay Advantages
- Normalization to Renilla luciferase internal control allows more accurate results.
- Samples don't have to be split, saving plates and time.
- Allows study of weak promoters, low-level expression/regulation and expression in cells that transfect poorly.
- Linear over 7 logs; very active samples typically do not need dilution.
ItemPart #SizeAvailable Separately
Luciferase Assay SubstrateE151A10 × 1 vial
Passive Lysis Buffer, 5XE194A1 × 30mlView Product
Luciferase Assay Buffer IIE195A10 × 10ml
Stop & Glo® SubstrateE640A10 × 200μl
Stop & Glo® BufferE641A10 × 10ml
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