Tamanho : 25g
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Synonyms: Isopropyl β-D-thiogalactoside
| Description | IPTG (Isopropyl β-D-thiogalactoside) is a synthetic, non-metabolizable galactose analog. IPTG can trigger the transcription process of the lactose operon, thereby inducing the expression of corresponding proteins encoded by downstream genes of the lactose operon. |
| In vitro | Methods: Add IPTG to E. coli carrying the PLtetO-1-luc reporter plasmid at a concentration gradient (0.01–5 mM). Culture until the logarithmic growth phase, then detect luciferase activity and calculate the fold change in expression levels. Results: Plac/ara-1 exhibits an IPTG-induced regulatory range of up to 1800-fold. [1] |
| Synonyms | Isopropyl β-D-thiogalactoside |
| Kinase Assay | For RNA interference (RNAi), A549 cells are plated at 1,500 cells per well in 96-well plates, allowed to adhere for 24 hours, and transfected with 25 nM siRNA oligonucleotide using Dharmafect 4. Transfected cells are treated with the indicated concentrations of GNE-617 (0.1, 1 , 10 , 100 , and 1000 nM) for 72 hours and viability is evaluated with CellTiter-Glo. Lysates for detection of NAPRT1 protein are collected 72 hours after transfection of 1 million A549 cells in 10 cm dishes. For NAPRT1 re-expression, RERF-LC-MS cells are transfected with pCMV6-AC.NAPRT1 and empty vector pCMV6-AC using Amaxa Nucleofector technology and selected with Geneticin |
| Molecular Weight | 238.3 |
| Formula | C9H18O5S |
| Cas No. | 367-93-1 |
| Smiles | S(C(C)C)[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O |
| Relative Density. | 1.37 g/cm3 |
| Storage | Store under nitrogen Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 237 mg/mL (994.54 mM), Sonication is recommended.  | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 5 mg/mL (20.98 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
DMSO
Note : The dilution table applies only to solid products. For liquid products, please calculate the stock solution based on the stated concentration and/or density. | ||||||||||||||||||||||||||||||||||||
For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, and a total of 10 animals are to be administered, using a formulation of 
10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH2O , the resulting working solution concentration would be 2 mg/mL.Dissolve 2 mg of the compound in 100 μL DMSO to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO stock solution to 400 µL PEG300 and mix thoroughly until the solution becomes clear.
2) Add 50 µL Tween 80 and mix well until fully clarified.
3) Add 450 µL Saline,PBS or ddH2O and mix thoroughly until a homogeneous solution is obtained.
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