4-arm PEG-NHS, MW 10k

Product Information

4-arm PEG-NHS is a polyethylene glycol molecule functionalized with NHS (N-hydroxysuccinimide) esters, allowing for easy conjugation to amines. Here are some key applications of 4-arm PEG-NHS:

Drug Delivery Systems: 4-arm PEG-NHS is used to modify therapeutic proteins and peptides to improve their stability, solubility, and bioavailability. By conjugating drugs to PEG, the circulation time in the bloodstream is extended, reducing the frequency of administration. This enhances the overall efficacy and patient compliance of the therapeutics.

Bioconjugation: This compound is commonly utilized in bioconjugation techniques to link biomolecules, such as antibodies, enzymes, and small molecules, to various surfaces or other biomolecules. The NHS ester reacts with primary amines at neutral to basic pH, forming stable amide bonds. This capability facilitates the development of multifunctional bioconjugates for use in diagnostics, therapeutics, and research applications.

Hydrogel Formation: 4-arm PEG-NHS can be crosslinked to form hydrogels, which are valuable in various biomedical applications such as tissue engineering and wound healing. The hydrogels can encapsulate cells or bioactive molecules and provide a conducive environment for cellular growth and tissue regeneration. These hydrogels can also be finely tuned in terms of their mechanical properties and degradation rates.

Surface Modification: In the realm of surface chemistry, this PEG derivative is used to modify surfaces of medical devices, implants, and biosensors to reduce protein adsorption and cell adhesion. The PEGylation of surfaces creates a "stealth" layer that prevents nonspecific interactions, enhancing the biocompatibility of the device. This is crucial in extending the lifespan and performance of implants and diagnostic sensors.

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