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DMG-PEG 2000

Cat. No. M25508
DMG-PEG 2000 Structure
Size Price Availability Quantity
100mg USD 105  USD105 In stock
250mg USD 200  USD200 In stock
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Quality Control & Documentation
Biological Activity

DMG-PEG 2000 is used for the preparation of liposome for siRNA delivery with improved transfection efficiency in vitro. DMG-PEG 2000 is also used for the lipid nanoparticle for an oral plasmid DNA delivery approach in vivo through a facile surface modification to improve the mucus permeability and delivery efficiency of the nanoparticles.

Chemical Information
Formula (C2H4O)nC32H62O5
CAS Number 160743-62-4
Solubility (25°C) DMSO 90 mg/mL (ultrasonic and warming)
Ethanol 90 mg/mL (Need ultrasonic)
Water 15 mg/mL (Need ultrasonic)
Storage -20°C, protect from light, dry, sealed
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] Patrizia Pignatti, et al. Vaccine. Hypersensitivity reactions to anti-SARS-CoV-2 vaccines: Basophil reactivity to excipients

[2] Dilawar Khokhar, et al. J Allergy Clin Immunol Glob. Vaccination counseling with and without excipient skin testing in patients with suspected allergic reactions to mRNA COVID-19 vaccines and patients with atopy

[3] Roslyn M Ray, et al. Beilstein J Org Chem. Enhanced target cell specificity and uptake of lipid nanoparticles using RNA aptamers and peptides

[4] S Moein Moghimi. Mol Ther. Allergic Reactions and Anaphylaxis to LNP-Based COVID-19 Vaccines

[5] Weiyu Zhao, et al. Cell Mol Bioeng. Lipid Polymer Hybrid Nanomaterials for mRNA Delivery

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