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Genetic Study of the Serum Group Specific component ( Gc ) in Korean
심봉섭,홍경자 생화학분자생물학회 1973 BMB Reports Vol.3 No.2
Type 1-1 group-specific component(Ge) was prepared from serum by DEAE-cellulose chromatography, gel filtration and starch block electrophoresis. Anti-Gc serum was raised in the rabbits, and the distribution of the genetic types of serum Gc protein has been examined in 1. 197 Koreans by immunoelectrophoretic technique. The Gc² gene frequency of Korean was found to be 0.295, and no core elation could be observed between Gc type and sex, or ABO blood groups. During the present survey, the existence of few unusual phenotypes which were similar to $quot;Gc Ab-1$quot; or $quot;Gc Chip$quot; was observed. This raised a possibility of the presence of the other Gc variants in Korean.
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생물유래 기능성 나노물질의 추출 및 친환경/생체적합 기능소재 응용
심봉섭,엄태식,허경아,이승현 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
We introduce multifunctional nanocomposites, recently developed in our laboratory, from natural biomaterials including high crystalline cellulose nanofibers and conductive melanin nanoparticles. High crystalline cellulose nanofibers, extracted from tunicates, have shown almost perfect crystallinity, straight fibrous shape, and liquid crystalline alignments. Thus, their nanocomposites showed uniquely oriented structures as well as excellent optical, mechanical, and barrier properties. On the other hand, naturally derived melanin nanoparticles are molecularly structured to possess finely tunable electrochemical conductivities, optical reflectivity, and casting shape stability with inherent biocompatibility. These composites can be used as key functional materials in the emerging applications such as biotic-abiotic smart interfaces, implantable electronics, and eco-electronics.
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