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Iron Oxide(Ⅱ, Ⅲ)와 Valine을 이용한 키토산 나노입자의 약물전달 연구
장소현 ( So-hyeon Jang ),강익중 ( Ik-joong Kang ) 한국화학공학회 2021 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.59 No.4
A drug delivery system (DDS) based on nanoparticles has been used as a mediator to improve the efficacy of a drug by controlling the amount of drug released and delivering it to a target place. Chitosan, which is non-toxic and biodegradable, has good biocompatibility and excellent adsorption, so it can be used as a drug delivery vehicle. Valine, the essential amino acids, helps muscle growth and tissue recovery, and along with other amino acids. It lowers blood sugar levels and increases growth hormone production. In this study, Valine was adsorbed on magnetic chitosan which is capable of drug absorption, and Fe<sub>3</sub>O<sub>4</sub>-Valine CNPs was prepared through cross-linking with TPP (Tripolyphosphate). And then absorption and release trends of valine were investigated with the Fe<sub>3</sub>O<sub>4</sub>-Valine CNPs. Fe<sub>3</sub>O<sub>4</sub>, which has relatively high stability, is used to make the drug carrier magnetic so that the drug can be delivered to a target place. At optimal conditions, the absorption and release tendency of Fe<sub>3</sub>O<sub>4</sub>-Valine CNP was confirmed by analyzing by UV-Vis through the Ninhydrin test which is the color reaction of amino acids and by measuring the size of the particles, it was confirmed that it is suitable as a drug carrier.