Used in the modification of gold surfaces for biosensor applications, it forms self-assembled monolayers that enhance the immobilization of biomolecules like DNA or proteins. It is also employed in nanotechnology for creating functionalized nanoparticles, improving their stability and interaction with biological systems. Additionally, it serves as a linker molecule in surface chemistry, facilitating the attachment of organic compounds to inorganic substrates. Its thiol group enables strong binding to metal surfaces, making it valuable in the development of advanced materials and coatings.