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Photocrosslinkable Biopolymers for Enhanced Tissue Adhesion and Local Drug Delivery
Seung Yun Yang(양승윤) 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Photocrosslinkable biodegradable polymers have emerged as a new class of biomaterials in tissue adhesion and drug delivery. In part 1 of my talk, I will present in situ photocrosslinkable hyaluronic acid (HA)-based tissue adhesives, providing tunable mechanical properties and firm tissue adhesion under wet and dynamic conditions. Depending on the degree of photocrosslinkable groups, mechanical and adhesive properties were improved. In part 2, I will present a radioactive HA hydrogel microparticles, which can be used for local radiotherapy with minimal off-target biodistribution. The radioactive HA microgels exhibited a prolonged radioactivity kinetics similar to the natural decay of radioisotope, thereby providing long-term and predictable radioactivity. Moreover, using a rat model, we further confirmed the local retention of photocrosslinked HA microgels around the injected site and their high biocompatibility throughout the application period.
양승윤,김정훈,김경섭,김재산,박귀호,김기원,이상호,Yang Seung-Yun,Kim Jeong-Hoon,Kim Kyung-Sub,Kim Jae-San,Park Kwi-Ho,Kim Gee-Won,Lee Sang-Ho 한국군사과학기술학회 2005 한국군사과학기술학회지 Vol.8 No.1
In this study, Experimental analysis on submarine cable tension was performed for the safe and efficient laying and recovery of a submarine cable. The tension analysis was done through the analyzed data using the cable dynamic theory and the measured data using the experiment. The analyzed cable tension was able to decide requirements for the purpose of laying and recovery of the submarine cable. As the result of tension analysis for a Submarine cable, it was shown a proper feasibility to determine the laying and recovery conditions of the submarine cable.