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DSPE-PEG-NHS is a common compound used in pharmaceutical research and development. It is a derivative of DSPE (1,2-distearoyl-sn-glycero-3-phosphoethanolamine), which is a phospholipid commonly found in cell membranes. DSPE-PEG-NHS is modified by attaching PEG (polyethylene glycol) and NHS (N-hydroxysuccinimide) functional groups.

PEG is a hydrophilic polymer that can improve the solubility, bioavailability, and stability of drugs. It also helps to reduce the clearance of drugs by the immune system, which can increase their circulation time in the body. NHS is a coupling agent that can bind the PEG-modified DSPE to other molecules, such as proteins or drugs, through amide bond formation.

The resulting DSPE-PEG-NHS conjugate is widely used in drug delivery systems, especially in liposomes. Liposomes are spherical vesicles composed of phospholipids that can encapsulate drugs, protect them from degradation, and target them to specific cells or tissues. DSPE-PEG-NHS can be incorporated into the liposome membrane to modify its properties, such as its size, charge, and circulation time.

In addition, DSPE-PEG-NHS can be used to attach targeting ligands or imaging agents to the liposome surface, which can enhance their specificity and selectivity. For example, antibodies or peptides can be conjugated to DSPE-PEG-NHS to target cancer cells or inflamed tissues. Fluorescent dyes or radioactive isotopes can be attached to DSPE-PEG-NHS to visualize the liposomes in vivo.

DSPE-PEG-NHS is a versatile compound that can be used to modify liposomes for drug delivery and imaging applications. Its PEG and NHS functional groups allow for easy conjugation to other molecules and provide beneficial properties such as improved solubility, stability, and circulation time.


Cat# Name Structure M.W. Purity Pricing
AP13638DSPE-PEG-NHS, MW 600600≥95% Pricing
AP13666DSPE-PEG-NHS, MW 1K1000≥95% Pricing
AP13681DSPE-PEG-NHS, MW 2K2000≥95% Pricing
AP13691DSPE-PEG-NHS, MW 3.4K3400≥95% Pricing
AP13693DSPE-PEG-NHS, MW 5K5000≥95% Pricing

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