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DSPE-PEG-Cy3 is a lipid conjugate molecule that has gained widespread attention in pharmaceutical research and development due to its unique functional properties. This molecule is a complex of 1,2-distearoyl-sn-glycero-3-phosphoethanolamine (DSPE), polyethylene glycol (PEG), and cyanine dye 3 (Cy3). Each of these functional groups plays a crucial role in the overall properties and functionality of the molecule.

The DSPE component of DSPE-PEG-Cy3 is a phospholipid that provides a hydrophobic anchor for the molecule, allowing it to incorporate into cell membranes and lipid bilayers. This feature is particularly useful in drug delivery systems, as it allows the molecule to be targeted to specific cells or tissues.

The PEG component of DSPE-PEG-Cy3 is a hydrophilic polymer that helps to stabilize the molecule in aqueous environments, preventing it from aggregating or being rapidly cleared from the body. Additionally, PEGylation has been shown to increase the half-life and reduce the immunogenicity of drugs, making it a popular choice for drug delivery systems.

Finally, the Cy3 component of DSPE-PEG-Cy3 is a fluorescent dye that allows the molecule to be visualized and tracked in vivo. This property is useful for studying the biodistribution and pharmacokinetics of drug delivery systems, as well as for imaging biological processes and structures.

In pharmaceutical research and development, DSPE-PEG-Cy3 has been used as a versatile tool for drug delivery, imaging, and targeting. For example, it has been incorporated into liposomes and nanoparticles to improve the efficacy and specificity of cancer therapies, and has also been used as a contrast agent in imaging studies of the brain and other tissues.

DSPE-PEG-Cy3 represents a promising avenue for the development of novel drug delivery systems and imaging agents. Its unique combination of functional groups allows for targeted, stable, and visualizable delivery of therapeutic molecules to specific cells and tissues, opening up new avenues for the treatment of a variety of diseases.


Cat# Name Structure M.W. Purity Pricing
AP13628DSPE-PEG-Cy3, MW 2K2000≥95% Pricing
AP13647DSPE-PEG-Cy3, MW 3.4K3400≥95% Pricing
AP13656DSPE-PEG-Cy3, MW 5K5000≥95% Pricing

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