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신경괴사증바이러스(Nervous Necrosis Virus, NNV) 모니터링을 통한 무감염 능성어(Hyporthodus septemfasciatus)친어의 선발
김시우,김위식,서한길,김경민,오명주,Kim, Si-Woo,Kim, Wi-Sik,Seo, Han-Gill,Kim, Kyong Min,Oh, Myung-Joo 한국수산과학회 2017 한국수산과학회지 Vol.50 No.5
We investigated the infection of nervous necrosis virus (NNV) in seven band grouper Hyporthodus septemfasciatus broodstocks, which have been reared in aquaculture farms in South Korea during 2012-2014. To investigate the prevalence of NNV within the broodstock, egg, sperm, and blood were sampled in the spawning season. The egg and sperm samples were subjected to a nested reverse transcription (RT) polymerase chain reaction (PCR) assay to detect NNV and were inoculated on SSN-1 cells to culture the virus. Blood samples were used to detect antibodies against NNV using enzyme linked immunosorbent assay (ELSIA). Positive values from ELISA were found in 39 of 162 samples (24%) in 2012, and 13 of 28 samples (46%) in 2014. Additionally, 4 of 34 broodstocks (11%) investigated in 2013-2014 were determined to be carriers from the nested RT-PCR and in vitro cultivation. The broodstocks in which antibodies against NNV were detected by ELISA, or in which NNV was detected by the nested RT-PCR assay, posed a risk of vertical transmission of NNV. Therefore, it is necessary to select virus-free broodstocks in seed production to reduce the possibility of the vertical transmission of NNV.
좌석안전띠 부착장치 위치에 따른 어린이 충돌안전성 연구
김시우,류현,김용길,백선현,김민우,박지훈,Kim, Siwoo,Ryu, Hyun,Kim, Yonggil,Baek, Seonhyeon,Kim, Minwoo,Park, Jihun 한국자동차안전학회 2014 자동차안전학회지 Vol.6 No.2
Development in vehicle industry could increase interest in children's safety recently. However the research of children safety is not being conducted as many as that of adult's. Especially the basic study for the vehicle crash on-board children was not much. This study focused on the effect of seatbelt anchorage points to evaluate children's safety in frontal crash. The current regulation of the seatbelt anchorage points is suitable for ranged from female 5% to male 95%. The assessment of children's safety at buckle up of no used CRS(child restraint system) was performed using frontal sled tests. The frontal crash pulse in sled tests was designed to the average of about 30 KNCAP frontal crash pulses. To reduce number of experiments, DOE is used. The Q6 child dummy and standard seat in UN R 129 were used. According to the analysis of test results, children's safety has been influenced by the points of seatbelt anchorage.
김시우,Kim, Sea Woo 국제문화기술진흥원 2018 The Journal of the Convergence on Culture Technolo Vol.4 No.3
This research focus on suggesting productive proposal for Culture heritage industry improvement plan. we survey various other countries' policy for culture heritage industry development. It is important to collect ideas from other countries' cases then expand and adapt to our country's industry. Detailed proposal for Cultural heritage is suggested, Such as, young Cultural helper to increase the cultural activity participation. Three factors are stated, first cultural man power creation, digitalizing cultural asset data, and cultural asset story making. 문화유산 산업은 한나라의 흥망성쇠에 결정적 영향을 미친다. 본 연구에서 문화유산 산업에 대한 선진국의 여러 가지 정책과 제도를 소개한다. 이를 통해 나라의 상황에 맞게 고쳐 나아가, 문화유산 산업 발전 관련 정책을 제시한다. 특히 '젊우미'라는 제도를 제안해, 청년취업과 문화유산 산업 증진의 두 가지 발전을 위한 정책을 위해 문화재 보존 인력양성, 문화재의 디지털 데이터베이스화 와 문화재 스토리 발굴을 제안한다.
정면충돌 시험방법에 따른 어린이 탑승객 충돌안전성 비교연구
김시우,Kim, Siwoo 한국자동차안전학회 2016 자동차안전학회지 Vol.8 No.3
Recently, development in vehicle safety could increase interest in children's safety in vehicle collisions. But the research of children safety in vehicle collisions is not being conducted as many as that of adult's. Especially the study for the vehicle crash was not much. This study focused on the comparison of child safety between test protocols to evaluate children's safety in crash test. Injuries of Q6 and Q10 dummy were evaluated using FFRB (Full frontal rigid barrier) test and 40% ODB (Offset deformable barrier) test with one model vehicle. Even though the limit number of test, the tendency of injury criteria of Q6 and Q10 dummy between the test protocols was not conformed but injury criteria of Q6 and Q10 were not same between FFRB and 40% ODB.
우주 물체 충돌 위험 분석을 위한 이중 모드 프레임워크
김시우,이진성,최은정,조성기,안재명,Kim, Siwoo,Lee, Jinsung,Choi, Eun-Jung,Cho, Sungki,Ahn, Jaemyung 한국우주과학회 2022 우주기술과 응용 Vol.2 No.1
최근 지구 주변 우주 물체 수의 급격한 증가와 함께 우주 위험 대응 기술에 대한 중요성이 높아지고 있다. 본 연구에서는 우주 위험 중 하나인 우주 물체 간 충돌 위험을 분석하기 위한 방법론에 대해 기술하였다. 주어진 정보와 상황에 적합한 충돌 위험 정보를 도출하기 위해 일대일 충돌 사건에 초점을 맞춘 미시적 모드와, 관심 대상이 통과하는 공간에 초점을 맞춘 거시적 모드로 이루어진 이중 모드 프레임워크가 제안되었으며, 각 모드에 적합한 사례 연구를 통해 그 효용성을 검증하였다.
능성어(Epinephelus septemfasciatus) immunoglobulin M에 대한 단클론 항체 생산
김시우 ( Si-woo Kim ),김종오 ( Jong-oh Kim ),공경희 ( Kyoung-hui Kong ),오명주 ( Myung-joo Oh ),김위식 ( Wi-sik Kim ) 한국어병학회 2021 한국어병학회지 Vol.34 No.1
Immunoglobulin M (IgM) of sevenband grouper (Epinephelus septemfasciatus) was purified by mannan-binding protein (MBP) affinity column. The purified IgM had an apparent molecular weights of 76 (heavy chain) and 28 (light chain) kDa in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Eight hybridoma clones secreting monoclonal antibodies (mAbs) against sevenband grouper IgM were established. Antibody detection enzyme-linked immunosorbent assay (ELISA) with bovine serum albumin (BSA, antigen) and the 8 mAbs revealed that optical density (OD) values were clearly different between sera from BSA-immunization and non-immunization of sevenband grouper. These results suggest that the produced mAbs in this study are specifically reacted with IgM of sevenband grouper.