HO-PEG-AC is widely used in biomedical research and pharmaceutical applications due to its unique properties. It serves as a versatile linker in drug delivery systems, enabling the conjugation of therapeutic agents to enhance solubility and bioavailability. This compound is particularly valuable in the development of targeted therapies, where it facilitates the attachment of targeting ligands to drugs, ensuring precise delivery to specific cells or tissues. Additionally, HO-PEG-AC is employed in surface modification of nanoparticles and biomaterials, improving their biocompatibility and stability. Its role in bioconjugation also extends to the creation of diagnostic probes and imaging agents, aiding in the detection and monitoring of diseases. Overall, HO-PEG-AC plays a critical role in advancing innovative medical solutions.