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Polymyxin B
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Catalog No. T78685Cas No. 1404-26-8
Polymyxin B is a polymyxin antibiotic with antimicrobial activity that acts by binding with high affinity to the LPS of the bacterial wall and by increasing the permeability of the bacterial cell membrane, and is used in the study of infections caused by drug-resistant (XDR) Gram-negative bacteria (GNB) Polymyxin B is used in the study of endotoxemia.
Polymyxin B
Polymyxin B
Copy Product Info😃Good
Catalog No. T78685Cas No. 1404-26-8
Polymyxin B is a polymyxin antibiotic with antimicrobial activity that acts by binding with high affinity to the LPS of the bacterial wall and by increasing the permeability of the bacterial cell membrane, and is used in the study of infections caused by drug-resistant (XDR) Gram-negative bacteria (GNB) Polymyxin B is used in the study of endotoxemia.
| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 50 mg | $29 | - | In Stock |
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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]
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Batch Information
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Potency:≥6500 IU/mg
Appearance:Solid
Color:White to Yellow
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Product Introduction
Bioactivity
Chemical Properties
Storage & Solubility Information
| Description | Polymyxin B is a polymyxin antibiotic with antimicrobial activity that acts by binding with high affinity to the LPS of the bacterial wall and by increasing the permeability of the bacterial cell membrane, and is used in the study of infections caused by drug-resistant (XDR) Gram-negative bacteria (GNB) Polymyxin B is used in the study of endotoxemia. |
| In vitro | 10 μg/mL Polymyxin B, treated for 6 hours, reduced TNF-α and IL-10 production in human peripheral blood mononuclear cells (PBMCs). [3] |
| In vivo | Polymyxin B was administered intravenously once daily for seven consecutive days at a dose range of 5-20 mg/kg Polymyxin B. The treatment of PBMCs with Polymyxin B for six hours reduced TNF-α and IL-10 production. A nephrotoxicity endpoint was observed in the Sprague-Dawley rat model at the 20 mg/kg dose, whereas no such endpoint was observed at the 5 mg/kg dose. [2] |
| Cas No. | 1404-26-8 |
| Storage | keep away from moisture,store at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | H2O: 16.67 mg/mL, Sonication is recommended.  |
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In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:
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.Stock Solution Preparation:
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.
Preparation of the In Vivo Formulation:
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.
This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.
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Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
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