Recently, the researches of creative and innovative biomaterials are extensively investigated using organic materials. Organic Nano Biomaterials Lab. (ONBL) is interested in the smart organic biomaterials and technologies for various biomedical applications. ONBL is focusing on the development of theranostic photomedicine, which is the future technology that applies light to diagnosis and treatment. To this end, ONBL is carrying out the fundamental and applied researches to develop the effective therapeutic delivery carriers, theranostic photomedicine and molecular imaging technologies.