GS1 Forefront of Drug Delivery System Research: Novel Technologies Used in Various Field GS1-1 Development of transposon-based novel plasmid vectors for prolonged gene expression GS1-2 Elucidation of ABC phenomenon caused by repeat injection of PEGylated nanocarrier GS1-3 Development of Boron Delivery System for Neutron Capture Therapy GS1-4 Photothermal therapy of cancer using gold nanorods GS1-5 Skin permeation and transdermal delivery systems of drugs: History to overcome barrier function in the stratum corneum GS1-6 Enhancing effect of functional peptides on intestinal absorption of therapeutic peptides/proteins and elucidation of their action mechanisms