PAMAM dendrimer, ethylenediamine core, generation 4.0 solution, is widely used in drug delivery systems due to its ability to encapsulate and transport therapeutic agents. Its highly branched structure allows for efficient loading of drugs, while its surface functional groups can be tailored for targeted delivery to specific cells or tissues. This makes it particularly useful in cancer therapy, where precise delivery of chemotherapeutic agents is critical to minimize side effects. In gene therapy, it serves as a non-viral vector for delivering nucleic acids, such as DNA or RNA, into cells. Its positive surface charge facilitates binding with negatively charged genetic material, enabling efficient cellular uptake and transfection. This application is promising for treating genetic disorders and developing advanced therapeutic strategies. Additionally, it is employed in diagnostic imaging as a contrast agent carrier. Its ability to attach imaging probes enhances the sensitivity and specificity of imaging techniques, such as MRI or fluorescence imaging, aiding in early disease detection and monitoring. In materials science, it is used to modify surfaces or create nanocomposites, improving properties like adhesion, stability, or conductivity. Its versatility and tunable structure make it a valuable tool in nanotechnology and advanced material design.