이신우 교수

Three types of the stilbazole derivative, 4-(4-alkoxybenzoyloxy)-4′-stilbazole (nSz), 4-(3,4-dialkoxybenzoyloxy)-4′-stilbazole (nDSz), and 4-(3,4,5-trialkoxybenzoyloxy)-4′-stilbazole (nTSz), were synthesised and complexed via hydrogen bonding with phloroglucinol (PG) to build liquid crystals, and their mesomorphic properties were investigated. In PG/nSz complexes, a wider mesomorphic range was observed than in nSz. The types of observed mesophases were nematic (n = 6, 8) and smectic phases (n =

Carotenoids are considered to act as antioxidants and protect humans from serious disorders such as skin degeneration and ageing, cardiovascular disease, certain types of cancer, and age-related diseases of the eye. In this study, these chemopreventive activities of a carotenoids-overexpressing transgenic carrot were evaluated. The results of DPPH, hydroxyl, and superoxide radical scavenging tests demonstrate that the acetone extract obtained from the taproots of the carrot plants exhibits signi

Objectives : The purpose of this study was to characterize the effect of the Ethanolic extract of Stachys sieboldii and Lycopus lucidus on the learning and memory impairments induced by scopolamine. Methods : The genetic difference of Stachys sieboldii and Lycopus lucidus were observed with RAPD analysis. The cognition-enhancing effect of Stachys sieboldii and Lycopus lucidus was investigated using a passive avoidance test, Y-maze test and the Morris water maze test in mice. Drug-induced amnesia

SCaM4 과발현 감자의 무름병에 대한 저항성은 대비 품종인 '대지'에 비해 실내 외 검정에서 저항성인 것으로 나타났으며, SCaM4 과발현 SCaM4-4 계통의 경우 실내 외에서 무름병 저항성이 강하였다. SCaM4 과발현 형질전환 감자 계통들에 대한 포장 검정 결과 공시된 4 계통은 꽃색, 줄기형 등에서 대조품종인 대지와 차이가 없었다. 괴경특성 및 수량성의 경우 주당 괴경수는 유사했으나 과발현체의 경우 줄기 무름병 저항성으로 동화산물의 생성 및 집적이 원활하여 괴경 무게 증가하여 수량이 증가하는 경향성을 보였다. 실내외검정에서 무름병에 강한 저항성을 보인 SCaM4-4 라인은 대조품종인 대지와 실질적인 동등성을 확인할 수 있어 향후 식품학적 안전성과 환경위해성 평가가 이루어진다면 실용화 가능성이 클 것으로 사료된다. We performed in vitro assay and field trials to assess levels of changes in intrinsic prope

New photopolymerizable discotic liquid crystal was prepared by hydrogen bonds between a phloroglucinol core and peripheral 4-(4-alkoxyphenyl)pyridines containing acrylate unit. The liquid crystalline order of discotic mesophase was perfectly maintained by photopolymerization in the presence of photoinitiator during very short time of 10 sec. When the discotic complex was inserted into anodic aluminum oxide (AAO) nanopores, hydrogen bonds in the complex were broken probably due to the strong inte