• 제목/요약/키워드: Trial Division

검색결과 619건 처리시간 0.023초

누에실샘 미세분말을 이용한 기능성 색조용 파우더 개발 (Development of functional cosmetic powder using silkgland powder of silkworm)

  • 전정우;권해용;조유영;여주홍;박명기;손용호;이희삼
    • 한국잠사곤충학회지
    • /
    • 제51권1호
    • /
    • pp.41-47
    • /
    • 2013
  • In this study, silkgland powder of silkworm were investigated to see possibility for cosmetic powder materials. To test possibility as a baby powder cosmetics, total content rate of amino acids, DPPH free radical scavenging assay, MTT assay, and clinical trial were done. According to the result of the analysis of the amino acids of silkgland powder, serin (26.77%) content was the highest and asparatic acid (15.47%), and glycine (9.62%) were followed. DPPH free radical scavenging activity of silkgland powder was lower than vitamin C by 82.3% and 97%, respectively, which is relatively good. And the moisture and elasticity effect were increased in silkgland powder compared to control cosmetics by 210% and 185%, relatively. Thus, these results suggest that silkgland powder of silkworm may have beneficial properties as a material for cosmeceuticals.

특발성 폐섬유화증에서 Interferon-${\gamma}$의 효과 (The Efficacy of Interferon(IFN)-${\gamma}$ in Idiopathic Pulmonary Fibrosis)

  • 박주헌;오연목;심태선;임채만;이상도;고윤석;김우성;김원동;김동순
    • Tuberculosis and Respiratory Diseases
    • /
    • 제56권6호
    • /
    • pp.611-618
    • /
    • 2004
  • 서 론 : 특발성 폐섬유화증은 원인 모르게 폐 내에 섬유화가 진행하여 진단 후 중간생존기간이 3-5년 정도로 보고되는 치명적인 질환이나 생존기간을 증가시키는 효과가 있는 치료제는 아직 알려져 있지 않다. 최근 스테로이드나 다른 면역억제제 치료에 반응이 없는 IPF에서 INF-${\gamma}$이 효과가 있다는 보고가 있었으나 아직은 많은 논란이 있어 진행된 IPF 환자에서 INF-${\gamma}$ 효과를 관찰하기 위하여 본 연구를 시행하였다. 방 법 : 1999년 1월부터 2001년 3월까지 IPF-UIP로 진단되었던 환자 중 스테로이드제제 및 기존의 면역억제제에 반응을 보이지 않았던 9명 (연령 $55.4{\pm}15.3$세, 남:여=8:1)을 대상으로 INF-${\gamma}$ 200만 unit를 주당 3회 피하주사로 12개월간 저용량 스테로이드와 합께 투여하였다. INF-${\gamma}$ 투여시에도 UIP가 진행되거나 심각한 부작용 시 투여를 중단하였다. 결 과 : 1) 전체 9례 중 5례는 INF-${\gamma}$ 치료를 도중에 중단하였고 총 4례만이 INF-${\gamma}$ 12개월치료를 완료하였으나, 이들에서 UIP의 호전은 관찰되지 않았다 2) 전체 9례 중 5례가 치료 시작 후 12개월 이내에 질병악화로 인해 사망하였고, 1례는 INF-${\gamma}$ 치료종료 후 폐렴으로 사망하였다. 3) INF-${\gamma}$ 치료 시작시점에 생존군에 비하여 사망군의 폐기능이 저하되어 있었다(FVC: 추정 정상치의 $61.3{\pm}5.1$ %, vs. $45.7{\pm}12.3%$, P=0.048, $D_Lco$: $45.0{\pm}5.0$ % vs. $30.8{\pm}11.2$ %, P=0.048). 결 론 : 진행된 IPF에서 INF-${\gamma}$ 치료는 효과가 없었으며, 특히 심한 폐기능의 손상과 저산소증의 동반 시 INF-${\gamma}$의 투여는 주의를 요하는 것으로 사료되었다.

관상동맥우회로수술 전 소독 처치 방법 중 듀라프렙과 수성 요오드 소독 방법에 대상으로 한 비용 최소화 분석: 무작위 임상시험 (Cost-minimization analysis of Duraprep and aqueous iodophor scrub for skin preparations in CABG Surgery in South Korea: A prospective randomized controlled trial)

  • 조민우;김양수;이상일
    • 대한예방의학회:학술대회논문집
    • /
    • 대한예방의학회 2005년도 제57차 추계 학술대회 연제집
    • /
    • pp.496-496
    • /
    • 2005
  • PDF

Current and New Molecularly Targeted Agents for Metastatic Gastric Cancer

  • Sung Chul Park
    • Journal of Digestive Cancer Research
    • /
    • 제3권1호
    • /
    • pp.11-16
    • /
    • 2015
  • The discovery of HER2, a biomarker in advanced gastric cancer, and successful clinical trial using trastuzumab that targets this biomarker signaled a revolutionary turning point in treatment of metastatic gastric cancer. Many studies about targeted agents for gastric cancer have been attempted. Among them, ramicirumab, a monoclonal antibody that targets vascular endothelial growth factor receptor-2 (VEGFR-2), and apatinib, a tyrosine kinase inhibitor (TKI) that targets VEGFR2, have shown to improve the survival rates in advanced gastric cancer patients, for whom previous therapies had failed; hence, they are expected to be accepted as one of the standard therapies for advanced gastric cancer.

  • PDF

Estimation of Interfacial Adhesion through the Micromechanical Analysis of Failure Mechanisms in DLC Film

  • Jeong, Jeung-Hyun;Park, Hae-Seok;Ahn, Jeong-Hoon;Dongil Kwon
    • The Korean Journal of Ceramics
    • /
    • 제3권2호
    • /
    • pp.73-81
    • /
    • 1997
  • In this paper, it is intended to present more reproducible and quantitative method for adhesion assemssement. In scratch test, micromechanical analysis on the stress state beneath the indenter was carried out considering the additional blister field. The interface adhesion was quantified as work of adhesion through Griffith energy approach on the basis of the analyzed stress state. The work of adhesion for DLC film/WC-Co substrate calculated through the proposed analysis shows the identical value regardless of distinctly different critical loads measured with the change of film thickness and scratching speed. On the other hand, uniaxial loading was imposed on DCL film/Al substrate, developing the transverse film cracks perpendicular to loading direction. Since this film cracking behavior depends on the relative magnitude of adhesion strength to film fracture strength, the quantification of adhesion strength was given a trial through the micromechanical analysis of adhesion-dependence of film cracking patterns. The interface shear strength can be quantified from the measurement of strain $\varepsilon$s and crack spacing $\lambda$ at the cessation of film cracking.

  • PDF

Evaluation of S-100 ECDIS Based on S-10X Digital Maritime Safety Information

  • CHOI, HyunSoo;OH, SeWoong;KANG, DongWoo;Yoon, MyongO
    • 한국항해항만학회지
    • /
    • 제44권5호
    • /
    • pp.375-381
    • /
    • 2020
  • The IMO has established a regulation for the ECDIS installation on ships based on the IHO S-57 standards. The ECDIS supports sailors in achieving a safe voyage by using ENCs and monitoring the information of their ship. However, the S-57 standards were developed as edition 3.1 and prohibited revision for more than 20 years. So, the IHO developed a new standard as S-100 into the hydrography and maritime field instead of updating the S-57 to edition 4.0. In this study, the new S-100 ECDIS was developed and verified with ENCs and the digital maritime safety information by using a ship steering simulator and by conducting an on-board sea-trial test. It evaluated the impact on ship operations if the next-generation navigation support system is introduced. Based on this research, the S-100 ECDIS will generate improvements such as safe voyages by providing various of real-time safety information and up-to-date data to ship and sailors.

Rabbit Hemorrhagic Disease Virus Variant Recombinant VP60 Protein Induces Protective Immunogenicity

  • Yang, Dong-Kun;Kim, Ha-Hyun;Nah, Jin-Ju;Song, Jae-Young
    • Journal of Microbiology and Biotechnology
    • /
    • 제25권11호
    • /
    • pp.1960-1965
    • /
    • 2015
  • Rabbit hemorrhagic disease virus (RHDV) is highly contagious and often causes fatal disease that affects both wild and domestic rabbits of the species Oryctolagus cuniculus. A highly pathogenic RHDV variant (RHDVa) has been circulation in the Korean rabbit population since 2007 and has a devastating effect on the rabbit industry in Korea. A highly pathogenic RHDVa was isolated from naturally infected rabbits, and the gene encoding the VP60 protein was cloned into a baculovirus transfer vector and expressed in insect cells. The hemagglutination titer of the Sf-9 cell lysate infected with recombinant VP60 baculovirus was 131,072 units/50 μl and of the supernatant 4,096 units/50 μl. Guinea pigs immunized twice intramuscularly with a trial inactivated RHDVa vaccine containing recombinant VP60 contained 2,152 hemagglutination inhibition (HI) geometric mean titers. The 8-week-old white rabbits inoculated with one vaccine dose were challenged with a lethal RHDVa 21 days later and showed 100% survival rates. The recombinant VP60 protein expressed in a baculovirus system induced high HI titers in guinea pigs and rendered complete protection, which led to the development of a novel inactivated RHDVa vaccine.