Polyethylenimine Linear (PEI) solution consists of a cationic polymer transfection reagent with a molecular weight of 25,000, which forms a complex with nucleic acids and allows the complex to enter mammalian cells. In addition, Polyethylenimine Linear is one of the most commonly used reagents in small to large scale transfection.
Molecular Weight | 25000 |
Formula | (CH2CH2NH)N |
CAS Number | 26913-06-4 |
Form | Solid |
Storage | 2-8℃ |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
[5] Paola Vicennati et al. Curr Med Chem. Polyethylenimine in medicinal chemistry
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