Used in the formulation of liposomes for drug delivery systems, enhancing the stability and efficiency of targeted therapies. It plays a crucial role in the development of cancer treatments by improving the encapsulation and release of chemotherapeutic agents. Additionally, it is utilized in research for studying membrane interactions and dynamics due to its ability to integrate into lipid bilayers. Its application extends to the field of diagnostics, where it aids in the creation of contrast agents for imaging techniques. Furthermore, DPPE fumarate is employed in gene therapy applications to facilitate the delivery of genetic material such as DNA or RNA into target cells, and in vaccine development to improve immune responses.