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대사증후군의 습담 변증군과 심박변이도의 관련성에 관한 고찰
이재욱,신윤리,배수현,박선영,최상옥,김경민,김영균,Lee, Jae-Wook,Shin, Yoon-Ri,Bae, Su-Hyun,Park, Seon-Young,Choi, Sang-Ok,Kim, Kyoung-Min,Kim, Young-Kyun 대한한방내과학회 2012 大韓韓方內科學會誌 Vol.33 No.3
Objectives : This study was performed to investigate characteristic indice of heart rate variability (HRV) according to presence of metabolic syndrome (MS), pattern identification. Methods : We analyzed 167 subjects who participated in a stroke check-up. We classified the subjects into two groups as MS (n=48) and non-MS (n=119) based on NCEP ATP III. First, we investigated pattern identification of all subjects based on Korean Standard Pattern Identifications for Stroke-III. Second, we surveyed significance of HRV indices between MS and non-MS groups. Third, we investigated significance of HRV indices between classified DP of MS and classified DP of non-MS. Fourth, we investigated significance of HRV indices between classified DP of MS and non-MS. Fifth, we investigated significance between components of MS and HRV indices. Results : 1. SDNN, RMS-SD, HF, Ln(HF), and HF (NORM) were significantly lower in the MS than non-MS group. LN (TP), LF/HF were significantly higher in the MS than non-MS. 2. Ln (HF), Ln (TP), and LF/HF were statistically significant in the classified DP of MS group. 3. RMS-SD, and Ln (HF) were significantly lower in the abdominal obesity group than in the non-abdominal obesity group. SDNN, RMS-SD, TP, Ln (TP), VLF, Ln (VLF), and Ln (LF) were significantly lower in the hypertension group than in the non-hypertension group. RMS-SD was significantly lower in the diabetes group than in the non-diabetes group. Mean HRT,LF/HF were significantly higher in the hypertriglyceridemia than non-hypertriglyceridemia group, but Ln (HF), RMS-SD, and HF (NORM) were significantly lower in the hypertriglyceridemia than non-hypertriglyceridemia group. Conclusions : We found a few significant relationships between classified DP of MS and HRV indices. The resluts demonstrate that MS has potentially negative effects on the cardiovascular system, and these effects could be detected by HRV.
나노 구조를 가지는 다공성 주석 산화물의 전기화학적 특성
이재욱,박수진,신헌철,Lee, Jae-Wook,Park, Su-Jin,Shin, Heon-Cheol 한국재료학회 2011 한국재료학회지 Vol.21 No.1
A nano-porous structure of tin oxide was prepared using an anodic oxidation process and the sample's electrochemical properties were evaluated for application as an anode in a rechargeable lithium battery. Microscopic images of the as-anodized sample indicated that it has a nano-porous structure with an average pore size of several tens of nanometers and a pore wall size of about 10 nanometers; the structural/compositional analyses proved that it is amorphous stannous oxide (SnO). The powder form of the as-anodized specimen was satisfactorily lithiated and delithiated as the anode in a lithium battery. Furthermore, it showed high initial reversible capacity and superior rate performance when compared to previous fabrication attempts. Its excellent electrode performance is probably due to the effective alleviation of strain arising from a cycling-induced large volume change and the short diffusion length of lithium through the nano-structured sample. To further enhance the rate performance, the attempt was made to create porous tin oxide film on copper substrate by anodizing the electrodeposited tin. Nevertheless, the full anodization of tin film on a copper substrate led to the mechanical disintegration of the anodic tin oxide, due most likely to the vigorous gas evolution and the surface oxidation of copper substrate. The adhesion of anodic tin oxide to the substrate, together with the initial reversibility and cycling stability, needs to be further improved for its application to high-power electrode materials in lithium batteries.
Al-20Si-5.5Fe-1.2Mg-0.5Mn 합금분말의 치밀화에 미치는 소결온도와 분위기의 영향
이재욱,박상빈,양상선,김용진,Lee, Jae-Wook,Park, Sang-Bin,Yang, Sang-Sun,Kim, Yong-Jin 한국분말야금학회 2008 한국분말재료학회지 (KPMI) Vol.15 No.3
The densification behavior of Al-20Si-5.5Fe-1.2Mg-0.5Mn powders was investigated through micro-structure analysis of sintered specimens. The specimens sintered in vacuum or in high purity (99.999%) nitrogen showed porous near-surface microstructures. The densification of near-surface part was enhanced by means of ultra-high purity (99.9999%) nitrogen atmosphere. The relationship between slow densification and oxide surfaces of Al alloy powders was discussed. And the effects of Mg addition, nitrogen gas, and humidity on densification were discussed. In addition, the rapid growth of primary Si crystals above the critical temperature was reported.
7-[(3-메틸티오 또는 3-메틸티오메틸)-3-피롤리닐]퀴놀론-3-카르복실산의 합성과 항균작용
이재욱,손호정,이규삼,유영효,김대영,Lee, Jae-Wook,Son, Ho-Jung,Lee, Kyu-Sam,Yu, Young-Hyo,Kim, Dae-Young 대한약학회 1994 약학회지 Vol.38 No.5
A number of 7-[(3-methylthio or methylthiomethyl)-3-pyrrolinyl] quinolone-3-carboxylic acids were synthesised by condensation of 7-fluoro substituted quinolone-3-carboxylic acid with 3-methylthio-3-pyrroline or 3-methylthiomethyl-3-pyrroline. The in vitro antimicrobial activity of them were tested against twenty species of Gram-positive or Gram-negative microorganisms. It showed remarkable antibacterial activity, particularly against Gram-positive microoganisms. Among those 1-cyclopropyl-6,8-difluoro-7-[(3-methylthiomethyl) -3-pyrrolinyl]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid(12a) and 1-cycl opropyl-6-fluoro-8-chlore-7-[(3-methylthiomethyl)-3-pyrrolinly]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid(12b) showed the most potent in vitro antibacterial activity.
다양한 산화물 기판 위에 RF 마그네트론 스퍼터링 방법으로 성장된 ZnO 박막의 특성 비교
이재욱,정철원,한석규,최준호,홍순구,조형균,송정훈,이정용,Lee, Jae-Wook,Jung, Chul-Won,Han, Seok-Kyu,Choi, Jun-Ho,Hong, Soon-Ku,Cho, Hyung-Koun,Song, Jung-Hoon,Lee, Jeong-Yong 한국전기전자재료학회 2007 전기전자재료학회논문지 Vol.20 No.4
ZnO thn films are grown on five kinds of oxide substrates including $c-Al_2O_3(0001),\;r-Al_2O_3(01-12)$, MgO(100), MgO(111), $NdGaO_3(110)$ by rf magnetron sputtering and effects substrate types on properties of ZnO thin films ate investigated. In order to compare the substrate effects one growth condition is selected and all the films are grown by the same growth condition. Structural and optical properties of the ZnO films ate different depending on the substrates although the films ate not epitaxial but polycrystalline. The ZnO film grown on $NdGaO_3(100)$ substrate shows the best overall properties among the films grown on substrates investigated in this study.
이재욱,Lee Jae Wook 국제문화기술진흥원 2024 The Journal of the Convergence on Culture Technolo Vol.10 No.3
특별사법경찰은 일반경찰이 수사하기 어려운 전문성이 요구되는 분야에 수사권을 행사하고 있다. 소방특별사법경찰도 이와 마찬가지고 소방사범이라는 전문적인 분야의 수사를 하기 때문에 소방분야의 전문성뿐만 아니라 수사에 관해서도 전문적인 역량을 필요로 한다. 이를 위해서는 우수한 수사인력을 확보할 수 있도록 소방특별사법경찰의 선발과정에 대한 개선이 있어야 하며, 선발된 수사인력을 체계적으로 교육시켜 전문성을 강화할 수 있는 교육시설, 교육내용 등이 부족하므로 이에 대한 개선도 이루어져야 한다. 소방특별사법경찰을 둘러싸고 논란이 되고 있는 부분에 대한 법률을 정비하고, 열악한 수사여건을 개선하여 소방특별사법경찰이 그 역할을 제대로 수행할 수 있도록 하여야 한다. Special judicial police officer are exercising their right to investigate areas that require expertise that is difficult for ordinary police to investigate. The fire special judicial policer are also like this, and since they investigate the specialized field of fire offenders, they require not only expertise in the firefighting field but also professional capabilities in the investigation. To achieve this, there must be improvements in the selection process for fire and special judicial police officers to secure excellent investigative personnel. There is a lack of educational facilities and training content that can systematically educate selected investigative personnel and strengthen their expertise, so improvements are needed. must also be done. Laws on controversial areas surrounding the fire and special judicial police must be reorganized and poor investigative conditions must be improved so that the fire and special judicial policer can properly perform their role.
이재욱,양상선,김용진,Lee, Jae-Wook,Yang, Sang-Sun,Kim, Yong-Jin 한국분말야금학회 2007 한국분말재료학회지 (KPMI) Vol.14 No.6
알루미늄 분말야금부품은 철계 분말부품에 비해 가볍고 알루미늄 주조부품에 비해 우수한 기계적 물성을 갖는다. 단, 상대적으로 비싼 가격이 이 부품의 응용을 제약하는 장벽이었으나 최근의 환경과 에너지 문제에 대한 세계적인 관심은 이를 극복할 수 있는 계기를 제공하고 있다. 선진국은 이미 일본을 중심으로 1990년대부터 알루미늄 분말부품에 대한 기술개발을 진행하였고 현재는 다양한 상용 부품을 판매하고 있으며 조만간 그 판매량이 크게 증가할 것으로 예상된다. 이에 이 글에서는 국내 관련 연구자들의 이해를 돕고자 알루미늄 분말야금부품의 국내외 기술개발 동향, 특허 동향, 원재료 동향 등을 분석하여 소개한다.
태음인(太陰人) 위완한증(胃脘寒證)으로 오인한 청심연자탕증(心蓮子湯證) 환자 치험1례
이재욱,허한솔,조혜원,임은철,Lee, Jae-Wook,Hur, Han-Sol,Cho, Hey-Won,Lim, Eun-Chul 사상체질의학회 2017 사상체질의학회지 Vol.29 No.1
Objectives It is important to decide if the patient is belong to cold syndrome or heat syndrome in Sasang Constitutional Medicine. The purpose of this study is to report some proof to determine cold and heat syndrome and characteristic of the patient who can be treated with Cheongsimyeonja-tang. Methods To evaluate the results of this treatment, muscular symptom was assessed by Visual Analogue Scale(VAS). The patient's general condition such as urinary and fecal discomfort is assessed by the progress notes. Results The patient did not improved when she was treated with Choweseuncheung-tang. But when she was treated with Cheongsimyeonja-tang, she got improved with not only her main problem such as muscular symptom, but also general condition such as indigestion, urinary & fecal discomfort and menopausal symptom. Conclusion This study suggests that number of defecation per day also can be the clue to decide heat or cold syndrome not only appearance of defecation. And the patients who can be treated by Cheongsimyeonja-tang is different from the patients who can be treated by Yeoldahansotang in the color of their face, personality and edema.
원인불명의 고열 및 흉수 이후 악화된 폐결핵후유증 소양인환자 치험 1례 보고
이재욱,허한솔,조혜원,임은철,Lee, Jae-Wook,Hur, Han-Sol,Cho, Hey-Won,Lim, Eun-Chul 사상체질의학회 2016 사상체질의학회지 Vol.28 No.2
Objectives It is important to care aftereffects of the tuberculosis such as cough and sputum especially for the old. The purpose of this study is to report a case which showed symptoms improvement after treatment with Hyungbangjihwang-tang.Methods To evaluate the results of this treatment, Decrease of cough and sputum was assessed by Visual Analogue Scale(VAS). The patient`s oral intake and body weight were measured.Results The patient who suffered with cough and sputum after tuberculosis developed high fever and pleural effusion of unknown origin. After treatment with western and oriental medicine, high fever and pleural effusion were subsided but cough and sputum got worse and body weight was decreased after high fever and pleural effusion. So we prescribed Hyungbangjihwang-tang and then the symptoms of the patient were improved.Conclusions This study suggests that using Sasang constitutuional medical treatment is effective for Soyangin patient with afftereffects of the tuberculosis such as cough and sputum.