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DSPE-PEG 2000

Cat. No. M25505
DSPE-PEG 2000 Structure
Size Price Availability Quantity
25mg USD 100  USD100 In stock
50mg USD 160  USD160 In stock
100mg USD 250  USD250 In stock
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Quality Control & Documentation
Biological Activity

DSPE-PEG 2000 is a PEG-lipid that can be used to form micelles as nanoparticles for drug delivery.

Chemical Information
Formula (C2H4O)nC42H82NO10P
CAS Number 892144-24-0
Solubility (25°C) DMSO 90 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
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.

References

[1] Nitin Bharat Charbe, et al. Acta Pharm Sin B. Small interfering RNA for cancer treatment: overcoming hurdles in delivery

[2] Wenli Zhang, et al. Eur J Pharm Sci. The effect of DSPE-PEG2000, cholesterol and drυg incorporated in bilayer on the formation of discoidal micelles

[3] Qiuhong Yang, et al. BAOJ Pharm Sci. Cabozantinib Loaded DSPE-PEG2000 Micelles as Delivery System: Formulation, Characterization and Cytotoxicity Evaluation

[4] Hong Wu, et al. Biomaterials. pH-sensitive poly(histidine)-PEG/DSPE-PEG co-polymer micelles for cytosolic drυg delivery

[5] Mark Kastantin, et al. J Phys Chem B. Thermodynamic and kinetic stability of DSPE-PEG(2000) micelles in the presence of bovine serum albumin

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