4-Arm PEG-SAA

Polyethylene glycol (PEG) compounds contain a polyether unit, commonly expressed as R₁-(O-CH₂-CH₂)_n-O-R₂. They are generally biocompatible, non-toxic and stable in both organic and aqueous solutions, and so are extensively used in biological applications, as well as nanotechnology and materials research. Proteins with PEG chain modifications and compounds encapsulated in PEG liposomes exhibit a longer half-life in vivo than their non-PEGylated counterparts, a phenomenon known as PEG shielding. Functionalised PEG lipids and phospholipids can be used for protein-PEG conjugation.

4-Arm PEG-SAA is a multiarm PEG derivative with carboxylic acid groups at each terminal of the four arms connected to one pentaerythritol core. There is a C3 amide linkage between PEG and the succinamide acid COOH group. PEG acid can be used to react with amine groups with peptide coupling reagents such as NHS and DCC, EDC.

Target	4-Arm PEG-SAA
Form	Solid
Purity	≥ 95% (1H-NMR). Product conforms to structure by 1H-NMR.
Storage	Store between 0 and -5 °C. Avoid exposure to light. Ensure the vial lid is sealed when not in use.
Availability	Shipped within 7-15 working days.
Note	This product is for research use only. Not for human consumption, cosmetic, therapeutic or diagnostic use.

Research Articles on 4-Arm PEG-SAA

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