زهرا فتحی

Fe3O4@C core-shell nanoparticles were modified by (3-aminopropyl)triethoxysilane (APTES) to generate amine functionality in the surface. Then, the amine functional groups were converted to dithiocarbamate via post-modification with carbon disulfide. This nanostructure with new functional property was used to immobilize lipase (obtained from Yarrowia lipolytica U6). Biocatalytic activity of the Fe3O4@C-NHCS-LIP was studied in this project. The interaction of lipase and support though dithiocarbamate binder was examined in the hydrolysis of p-nitrophenyl laurate. In this paper, support showed a unique feature in the immobilization of lipase by maintaining the lipase activity, raising the stability of lipase, and reusability.