PAMAM dendrimers with an ethylenediamine core, specifically generation 3.0, are widely utilized in drug delivery systems due to their highly branched, well-defined structure. Their ability to encapsulate or conjugate with therapeutic agents makes them effective carriers for targeted drug delivery, particularly in cancer treatment. These dendrimers can enhance the solubility and stability of poorly water-soluble drugs, improving their bioavailability. Additionally, their surface functional groups allow for precise modification, enabling the attachment of targeting ligands for specific cell or tissue recognition. In gene therapy, PAMAM dendrimers serve as non-viral vectors for the delivery of nucleic acids, such as DNA or RNA. Their positive surface charge facilitates the condensation of negatively charged genetic material, promoting efficient cellular uptake and transfection. This application is particularly valuable in treating genetic disorders or developing advanced therapeutic strategies. Beyond biomedical applications, PAMAM dendrimers are employed in diagnostics and imaging. They can be conjugated with contrast agents or fluorescent markers, enhancing the sensitivity and resolution of imaging techniques like MRI or fluorescence microscopy. This makes them useful tools for early disease detection and monitoring. In materials science, these dendrimers are used to create advanced nanocomposites, coatings, and sensors. Their unique structure and surface properties enable precise control over material interactions, leading to improved performance in various industrial applications. Overall, PAMAM dendrimers, generation 3.0, offer versatile solutions across multiple fields due to their tunable properties and multifunctional capabilities.