http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : Si Geun Kim (검색결과 216 건)
- 무료
- 기관 내 무료
- 유료
-
각종 단백질 사료의 반추위내 분해도 및 하부 장기내 소화율에 관한 연구
오영균,양시용,김창원,정재준,박근규 건국대학교 동물자원연구센터 1998 動物資源硏究誌 Vol.19 No.-
본 연구는 반추가축사료의 단백질 이용효율을 높이기 위한 방안으로 국내 사료회사에 주로 이용하고 있는 단백질 사료의 반추위내 분해단백질(RDP)과 비분해단백질(UDP) 및 소장에서도 흡수되지 않는 이용불능단백질 함량들을 측정하기 위하여 실시하였다. 반추위와 십이지장에 캐뉼라를 부착한 젖소에 in sacco와 mobile bag 기술을 이용하여 여러 가지 원산지와 종류가 다른 단백질 원료사료의 반추위내 분해율과 소장 내에서의 이용성을 평가한 결과는 다음과 같다. 1. 나일론백을 이용한 반추위내 단백질 분해율을 측정한 결과 UDP가에 있어 우모분(78.0), 옥수수글루텐(75.2), 어분(64.9), 알팔파 펠렛(46.6), 면실박(44.9), 채종박(42.9), 캐놀라박(41.4), 참깨박(40.6), 대두박(39.2), 해바라기씨박(30.4) 순으로 나타났다. 2. 11가지 사료를 mobile bag을 이용하여 전장 소화율을 측정한 결과 건물 소화율은 49.1%(야자박)에서 97.5%(대두박)까지, 단백질 소화율은 71.5%(우모분)에서 99.6%(대두박), 소화 가능한 UDP 함량은 63.5%(대두박)에서 99.0%(우모분)의 범위를 나타내었다. 3. 우모분, 알팔파 펠렛 및 어분 등과 같이 소화 가능한 UDP 함량이 낮은 것은 비소화성 섬유소에 결합되어 있는 ADF-N 함량도 다른 시료보다 매우 높았다. 4. 알팔파 펠렛은 지나친 열변성으로 인해 ADF-N 함량이 사료들 중에서 가장 높았으며 이로 인해 전장 단백질 소화율은 물론 소화 가능한 UDP함량도 매우 낮은 것으로 나타났다. This study was conducted to estimate the amount of rumen degradable protein(RDP), undegradable rumen dietary protein(UDP) and digestible UDP, thereby utilizing dietary protein sources in ruminant diets more effectively. Ruminally and intestinally cannulated cows were used for in sacco and mobile bag techiniques to estimate ruminal degradability and intestinal availability of protein feed ingredients. The results obtained were as follows; 1. Based on in sacco data, UDP values were ranked as feather meal(78.0), corn gluten meal(75.2), fish meal(64.9), alfalfa pellet(46.6), cottonseed meal(44.9), rapeseed meal(42.9), cannola meal(41.4), sesame oil meal(40.6), soybean meal(39.2), sunflower oil meal(30.4). 2. Actual degradabilities in total digestive tract for 11 selected feeds varied from 49.1%(palm kernel meal) to 97.5%(soybean meal) for DM and from 71.5%(feather meal) to 99.6%(soybean meal) for protein, and digestible UDP contents ranged from 63.5%(soybean meal) to 99.0%(feather meal). 3. Feather meal, alfalfa pellet and fish meal, containing low amount of digestible UDP, also have high concentrations of acid detergent fiber bound N(ADF-N) which is unavailable for animals. 4. Alfalfa pellet has highest in ADF-N concentrations among protein ingredients due to extreme heat damage, thus protein degradability in total digestive tract was also very low.
-
세균독소로 자극시킨 사람 섬유아 세포에서의 Interleukin-6와 Interleukin-8의 생성
정인교,양동규,홍시영,이성근,김욱규,김광혁,김종렬 大韓顎顔面成形再建外科學會 1999 Maxillofacial Plastic Reconstructive Surgery Vol.21 No.4
Cytokines are hormone-like proteins which mediate and regulate inflammatory and immune responses. Interleukin-6 (IL-6) is involved in the final differentiation of B cells into antibody-producing cells. Interleukin-8 (IL-8) is a neutrophil chemotactic factor that plays an important role in the recruitment of neutrophil to inflammatory loci. Inflammatory mediators by cells in the gingiva have been implicated in the initiation and progression of periodontitis and oral infection. The purpose of this study was conducted to investigate the effect of lipopolysaccharide (LPS), staphylococcus enterotoxin B (SEB) on production ofIL-6 and IL-8 by human gingival and facial dermal fibroblasts. Primary cultured human gingival and facial dermal fibroblasts were incubated with LPS(0.01, 0.1, 1.0㎍/ml), SEB (0.01, 0.1, 1.0㎍/ml) or LPS (0.1㎍/ml) plus SEB (0.1㎍/ml). Culture supernatants were collected at 24, 48, and 72 hrs and assessed for IL-6 and IL-8 production by enzyme-linked immunosorbent assay. IL-6 production in gingival fibroblasts stimulated with LPS was higher than that with SEB. IL-6 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB. IL-6 production in facial demal fibroblasts was increased only by stimulation with a high concertration of LPS (1.0㎍/ml). Its production in facial dermal fibroblasts by exposure with SEB was decreased in comparison with control, nontreated cells. Therefore, gingival fibroblasts showed higher sensitivity than facial dermal fibroblasts in response to low concentration of LPS. Also, IL-6 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB.IL-6 production in facial dermal fibroblasts was increased only by stimulation with a high concentration of LPS(1.0㎍/ml). Its production in facial dermal fibroblasts by exposure with SEB was decreased in comparison with control, nontreated cells. Therefore, gingival fibroblasts showed higher sensitvity than facial dermal fibroblasts in response to low concentration of LPS. Also, IL-6 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB. IL-8 production in gingival fibroblasts was enhanced greatly only by stimulation of high concentration of LPS (1.0㎍/ml). That by exposure with SEB was increased only in 24 hrs cultivation. IL-8 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB. IL-8 production in facial dermal fibroblasts was decreased by LPS and increased only in 48 hrs cultivation by SEB. IL-8 production by double exposure with LPS plus SEB was enhanced only in 48 hrs cultivation in comparison with single exposure of LPS or SEB. therefore, IL-6 and IL-8 production were released at various quantities according to bacterial toxin applied and site of fibroblast harvested. These results suggest that gingival fibroblasts may be concerned with IL-6 and IL-8 related inflammatory response more than facial dermal fibroblasts.
-
전립선암에 대한 초음파 영상유도 방사선치료의 Setup 오차 분석을 통한 재현성 평가
박성용,임승규,시명근,이지해,김종열,조은주,Park, Sung Yong,Lim, Seung Kyu,Si, Myoung Geun,Lee, Ji Hae,Kim, Jong Yeol,Cho, Eun Joo 대한방사선치료학회 2017 대한방사선치료학회지 Vol.29 No.2
목 적: 전립선암 환자에 대한 비침습적이고 피폭선량에 대한 부담이 없는 초음파를 이용한 영상유도방사선치료의 Setup 오차 분석을 통해 치료의 재현성을 평가해 보고자 한다. 대상 및 방법: 치료가 종료된 전립선암 환자 26명의 1,105영상에 대하여 앞-뒤(anterior-posterior, AP), 좌-우(right-left, RL), 위-아래(superior-inferior, SI) 방향의 Setup 오차에 대해 평균, 표준편차와 3D-error을 분석하였다. 또한 오차범위 0-1 mm, 1-3 mm, 3-5 mm, 5 mm 이상에 대한 각 오차 빈도수(frequency, %) 분석을 통하여 AP, RL, SI 방향에 대한 방향성을 확인 하였다. 결 과: Setup 오차는 AP, RL, SI 방향에 대하여 평균과 표준편차는 $1.87{\pm}1.36mm$, $1.73{\pm}1.22mm$, $2.01{\pm}1.40mm$였다. 3D-error는 평균 $3.63{\pm}1.63mm$였다. 각 방향에 대한 Setup 오차값의 빈도(frequency, %)는 AP 방향에 대한 오차범위 0-1 mm에서 29 %, 1-3 mm에서 50.2 %, 3-5 mm에서 19.6 %, 5 mm 이상에서 1.3 %였다. RL 방향에 대하여 오차범위 0-1 mm에서 31.3 %, 1-3 mm에서는 52.5 %, 3-5 mm에서는 15.8 %, 5 mm 이상에서 0.5 %였다. 마지막으로 SI 방향에 대한 오차범위 0-1 mm에서 26.3 %, 1-3 mm에서 50.2 %, 3-5 mm에서 22.4 %, 5 mm 이상에서 1.1 %였다. 결 론: Setup error는 SI 방향에서 $2.01{\pm}1.40mm$로 가장 컸으며 오차 빈도는 모든 방향에서 50 % 이상 오차 범위 1-3 mm에 들어온 것으로 확인되었다. $Clarity^{TM}$ Auto scan을 이용한 초음파영상유도 방사선치료는 치료 전에 방광의 전처치 상태, target의 구조 등을 관찰이 가능하고, 치료 중 target의 움직임을 실시간으로 monitoring하여 빠른 repositioning이 가능하다. 결과적으로 초음파를 이용한 실시간 영상유도방사선치료는 치료의 재현성을 높일 수 있을 것으로 사료된다. Purpose: To evaluate the reproducibility of image-guided radiotherapy using ultrasonography which is non-invasive, without radiation exposure for prostate cancer patients. Materials and Methods: We analyzed the setup variation of 1,105 images for 26 prostate cancer patients and the mean, standard deviation and 3D-error in AP, RL and SI directions. Setup variations were classified 0-1 mm, 1-3 mm, 3-5 mm, 5 mm and more. Results: The mean and standard deviation of setup variation in AP, RL and SI directions was $1.87{\pm}1.36mm$, $1.73{\pm}1.22mm$ and $2.01{\pm}1.40mm$. The 3D-error in AP, RL and SI directions was $3.63{\pm}1.63mm$. The frequency of setup variation in AP direction was 29 % in the range from 0 mm to 1 mm, 50.2 % in the range from 1 mm to 3 mm, 19.6 % in the range from 3 mm to 5 mm and 1.3 % in the range of 5 mm or more. In RL direction, the frequency was 31.3 % in the range from 0 mm to 1 mm, 52.5 % in the range from 1 mm to 3 mm, 15.8 % in the range from 3 mm to 5 mm and 0.5 % in the range of 5 mm or more. SI direction, the frequency of errors in the range from 0 mm to 1 mm was 26.3 %, 50.2 % in the range from 1 mm to 3 mm, 22.4 % in the range from 3 mm to 5 mm, and 1.1 % in the range of 5 mm or more. Conclusion: The setup error was highest in the SI direction of $2.01{\pm}1.40mm$. The frequency in each direction was the highest in more than 50 % in the range from 1 mm to 3 mm. $Clarity^{TM}$ Auto scan is possible to monitoring the motion of the prostate during the treatment and to repositioning the patient. In conclusion real-time image-guided radiotherapy using ultrasonography will be increase the reproducibility of radiation therapy.
-
국내 무기체계의 국외 위조 부품 도입 적용 방지를 위한 품질보증 정책 연구
김시옥(Si-Ok Kim),백원철(Si-Ok Kim),김동길(Dong-Gil Kim),김흥근(Heung-Geun Kim) 한국전자통신학회 2020 한국전자통신학회 논문지 Vol.15 No.4
본 연구에서는 무기 시스템의 위조품 적용 방지를 위한 위조품의 관리 방법과 식별 방법에 대해서 알아보고, 위조품 관리 표준과 품질 보증 방법을 제안하였다. 이를 위해서 구체적으로 다음과 같은 3가지 영역에 대한 연구를 수행하였다: 1) 위조품에 대한 일반적인 연구, 2) 해외 구매 부품의 위조품의 관리 방법, 3) 위조품의 품질 보증 방법. 분석한 내용을 바탕으로 위조품 관리 방법, 관리 표준 및 네트워크 구축, 시스템 개선 및 품질 보증 방법 강화 등의 국외 위조 부품 도입 적용 방지를 위한 품질보증 정책 방향을 제안하였다. The purpose of this study is to establish a quality assurance method and managerial standard through management practices and identification method of counterfeit items as measure to eradicate counterfeit items of weapon system. We have performed a study in three significant terms. First, a general study on counterfeit items. In this part, we have described the definition, cause and control need of counterfeit item. Second, management practice of foreign-purchased counterfeit items. Finally, quality assurance methods of counterfeit items. We have proposed the counterfeit items management method, building managerial standard and network, improvement of a system and strengthening quality assurance method.
-
-
-
-
( Si Hyung Lee ),( Byung Ik Jang ),( Kyeong Ok Kim ),( Seong Woo Jeon ),( Joong Goo Kwon ),( Eun Young Kim ),( Jin Tae Jung ),( Kyung Sik Park ),( Kwnag Bum Cho ),( Eun Soo Kim ),( Chang Geun Park ),( The Editorial Office of Gut and Liver 2014 Gut and Liver Vol.8 No.2
Background/Aims: Interobserver variation by experience was documented for the diagnosis of esophagitis using the Los Angeles classification. The aim of this study was to evaluate whether interobserver agreement can be improved by higher levels of endoscopic experience in the diagnosis of erosive esophagitis. Methods: Endoscopic images of 51 patients with gastroesophageal reflux disease (GERD) symptoms were obtained with conventional endoscopy and optimal band imaging (OBI). Endoscopists were divided into an expert group (16 gastroenterologic endoscopic special-ists guaranteed by the Korean Society of Gastrointestinal Endoscopy) and a trainee group (individuals with fellow-ships, first year of specialty training in gastroenterology). All endoscopists had no or minimal experience with OBI. GERD was diagnosed using the Los Angeles classification with or without OBI. Results: The mean weighted paired κ statistics for interobserver agreement in grading erosive esophagitis by conventional endoscopy in the expert group was better than that in the trainee group (0.51 vs 0.42, p<0.05). The mean weighted paired k statistics in the expert group and in the trainee group based on conventional endoscopy with OBI did not differ (0.42, 0.42). Conclusions: Interobserver agree-ment in the expert group using conventional endoscopy was better than that in the trainee group. Endoscopic experience can improve the interobserver agreement in the grading of esophagitis using the Los Angeles classification. (Gut Liver 2014;8:154-159)
-
-
KISS연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
