Functional nanomaterial is expected to have improved capacities on various fields. Especially, metal nanoparticles dispersed in polymer matrix and metal nanofiber, one of the functional nanomaterials, are able to achieve improvement of property in the electric and other related fields. In this study, the fabrication of metal (Ag) nanoparticle dispersed nanofibers were attempted. The Ag nanoparticle dispersed polymer nanofiber and Ag nanofiber were fabricated by electrospinning method using electric force. First, PVP/ nanofibers were synthesized by electrospinning in voltage with the starting materials (Ag-nitrate) added polymer (PVP; poly (vinylpyrrolidone)). Then Ag nanoparticle dispersed polymer nanofibers were fabricated to reduce hydrogen reduction at for 3hr. And Ag nanofibers were synthesized by the decomposited of PVP at for 3hr. The nanofibers were analyzed by XRD, TGA, FE-SEM and TEM. The experimental results showed that the Ag nanofibers could be applied in many fields as an advanced material.

The surface of magnetite () nanoparticles prepared by coprecipitation method was modified by carboxylic acid group of poly(3-thiophenacetic acid (3TA)) and meso-2,3-dimercaptosuccinic acid (DMSA). Then the lysozyme protein was immobilized on the carboxylic acid group of the modification of the magnetite nanoparticles. The magnetite nanoparticles are spherical and the particle size is approximately 10 nm. We measured quantitative dispersion state by dispersion stability analyzer for each nanoparticles with and without surface modification. The concentration of lysozyme on the modified magnetite nanoparticles was also investigated by a UV-Vis spectrometer and compared to that of magnetite nanoparticles without surface modification. The functionalized magnetite particles had higher enzymatic capacity and dispersion stability than non-functionalized magnetite nanoparticles

오미약성 이론은 다섯가지 맛 중에서 적어도 하나 이상을 맛을 포함하는 다양한 허브로 구성되어 있으며, 이러한 이론은 인간의 질병을 예방하고 면역 체계를 강화하는데 사용되어왔다. 본 연구의 목적은 오미약성 이론에 근거한 단일 추출물 및 혼합 추출물의 효능 차이와 성분 변화를 확인하는 것이다. 황련, 승마 및 백복령 세가지 약초를 선택하였고 단일 추출물 및 혼합 추출물의 약리학적 효능을 평가하였다. 결과적으로 혼합추출물은 단일추출물과 비교하여 400 ug/mL 농도에서 우수한 세포 이동 효과를 보였다. 또한 혼합 추출물은 수지상세포의 활성을 증가시켜 면역을 강화시켰으며 DPPH assay 및 HPLC-ABTS assay를 통해 가장 높은 항산화 활성을 보였다. 이번 연구에서 우리는 한의학적 이론을 접목하여 화장품 및 의약품 분야에 응용 가능한 새로운 소재를 개발하였다.