Controlled Formation of Meso-sized Metal Complex Crystals Using Lipid Bilayer Membrane

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The project aimed to prepare meso-sized crystals of metal complexes by using liposome based on lipid bilayer membrane, which was carried out by two methods :(1) synthesis of metal complexes in the inner sphere of liposome, and(2) fixation of metal complex on the outer surface of liposome. In the case of(1), reverse micelle method using phospholipids was effective to form meso-sized crystals of metal complexes with radius of ca. 200 nm. In the case of(2), novel lipophilic metal complexes were prepared by incorporation of phospholipid in the ligand, and the complexes were fixed on the outer surface selectively.