실험적 급성 심근경색증 후 좌심실 재성형에 관여하는 간질 조직의 변화에 대한 전환효소억제제의 기전에 대한 연구 : 백서의 非痛璧性 심근경색 후 좌심실 재성형 및 Transforming Grawth Factor β-1의 발현 변화와 이에 대한 레닌 안지오텐신계 차단제의 효과 분석 Effects on Transforming Growth Factor - β-1 Expression

연태진,김석연,김효수,김어진,김소영,정은주,서정욱,오병희 대한순환기학회 1998 Korean Circulation Journal Vol.28 No.9

Log-Rolling Block Copolymer Cylinders

Kim, Ye Chan,Kim, Dong Hyup,Joo, Se Hun,Kwon, Na Kyung,Shin, Tae Joo,Register, Richard A.,Kwak, Sang Kyu,Kim, So Youn American Chemical Society 2017 Macromolecules Vol.50 No.9

<P>Shear is an effective method to create long-range order in micro- or nanostructured soft materials. When simple shear flow is applied, particles or polymer microdomains tend to align in the shear direction to minimize viscous dissipation; thus, transverse alignment (so-called log-rolling) is not typically favored. This is the first study to report the transverse alignment of cylinder-forming coil coil block copolymers. Poly(styrene-b-methyl methacrylate), PS PMMA, where the PS blocks form the matrix, can adopt a metastable PMMA hemicylindrical structure when confined in a thin film, and this hemicylindrical structure can orient either along the shear direction or transverse to the shear direction depending on the shearing temperature. A monolayer of PS PMMA forming full cylinders exhibits log-rolling alignment. This unusual log-rolling behavior is explained by the low chain mobility of the cylinder-forming PMMA block at low temperatures, which is direction of shear alignment. the critical quantity determining the</P>

대중교통 이용 편의에 대한 서비스 디자인 제안

김소연(Kim, So Yeon),권근희(Kwon, Keun Hee),최윤영(Choi, Youn Young),김승인(Kim, Seung In) 한국디지털디자인협의회 2015 디지털디자인학연구 Vol.15 No.3

해외여행의 일반화에 따른 우리나라 국내외 입국자수의 증가로 2001년 항공 수요를 분담하고, 아시아 허브 공항의 축을 담당할 인천국제 공항이 개장되었다. 이후 김포 공항은 국내 항공 수요만 담당하였으나 2007년 이후로 중국, 일본과 같은 지리적 인접국에 대한 국제선 수요가 증가하였다. 여기에 공항철도 운영으로 이용객의 접근성이 높아져 지속적인 증가가 예상되지만 여기에 발생되는 이용객의 문제점에 대한 연구는 충분히 수행되지 않고 있다. 본 연구에서는 HCI 방법으로 공항철도를 이용하는 승객들의 문제점을 찾고 이에 해결 방안을 제시한다. 이를 수행하기 위해 심층인터뷰(in-depth interview) 방식으로 대중교통을 이용하여 김포공항을 이용하는 사람들의 니즈(needs)와 페인포인트(pain points)를 찾았다. 여기서 도출 된 짐에 대한 불편함을 바탕으로 ‘어떻게 하면 이동을 부담감을 줄일 수 있을까?’라는 디자인 코어(design core)를 도출할 수 있었다. 디자인 코어를 바탕으로 지미서비스(zimmy service)를 제안한다. 지미서비스는 첫 번째로 ZIMMY early delivery service, 두번째로 ZIMMY freeway service, 마지막으로 ZIMMY anabada movement이다. 이는 대중교통을 이용해 김포공항을 이용하는 이용객의 편의를 높이기 위한 서비스로서 이후 다양한 서비스디자인의 연구와 개발이 기대된다. Incheon International airport opened at 2001 to be hub airport of Asia and to take Kimpo International airport’s share of airline demands according to increaing of travelers because oversea trips have been common. After Incheon International airport opened, Kimpo International airport only had taken in charge of domestic demands. However Kimpo airport started to run some international airlines because there were increse of International airlines demands in nearest countris like China and Japan since 2007. The accessability of Kim-po airport by public transportation is better than In-cheon airport. Although passengers of airport railroad express are predicted to be increased because of easy transportation access, there are not many research to take care of airport railroad express users. This study will use HCI method to find the pain points of users and to suggest solutions. In this study, we would like to suggest Zimmy Service, which is deducter by service design process, for accessconvenience to ustomers who are using Airport Express Railroad Gimpo station. We conduct IDI(in-depth interview) to find customer’s needs and pain points and were drown a design core as ‘How might we reduce inconvenience when they move?’. By design core, we are suggesting Zimmy service. There are 3 elements in Zimmy service, early delivery service, freeway service and anabada movement. It is the service design in order to increase access convenience who a using public transportation to go to the Gimpo Airport. And more research and development of service design is expected to suggest various services for public transportation users.

내포제 시조

김연소(Kim Youn-so) 한국전통음악학회 2000 한국전통음악학 Vol.- No.1

For these reasons we can consider all about Nae-Po-Je once again. Si-Jo divide the form into Pyung-Si-Jo, Sa-Sul-Si-Jo, Ji-Rum-Si-Jo and Jun-Hu-Ri-Si-Je. And it can also be separated Kyung-Je, centered in Seoul and Kyung-Ki area, and Hyang-Je, including the rest of that in Korea. Among these, Hyang-Je divide itself into Wan-Je, Young-Je and Nae-Po-Je. Specially, Nae-Po-Je, centered on Chung-cheong province, has more splendid ornament and accurate diction than any other shape of Je. Considering all aspects of Na-Po-Je, it shows accurate diction such as Jae-num-Eo, So-Chi-Neun and fabulous ornaments. Besides various pattern of rhythm, unique vocal communication which is similar to Ga-Gok. In this point, I cannot help making suggestion thar we must not hesitate to support intangible heritage like Si-Jo which is easy to perish away forever for advance our own tradition, moreover we should not only be assiduous to keep and develop our cultural heritage continuously, but also steady attention to Si-Jo.

Erythrophagocytosis of Lead-Exposed Erythrocytes by Renal Tubular Cells: Possible Role in Lead-Induced Nephrotoxicity

Kwon, So-Youn,Bae, Ok-Nam,Noh, Ji-Yoon,Kim, Keunyoung,Kang, Seojin,Shin, Young-Jun,Lim, Kyung-Min,Chung, Jin-Ho U.S. Dept. of Health, Education, and Welfare, Publ 2015 Environmental health perspectives Vol.123 No.2

<P>Background: Nephrotoxicity associated with lead poisoning has been frequently reported in epidemiological studies, but the underlying mechanisms have not been fully described.</P><P>Objectives: We examined the role of erythrocytes, one of the major lead reservoirs, in lead-associated nephrotoxicity.</P><P>Methods and results: Co-incubation of lead-exposed human erythrocytes with HK-2 human renal proximal tubular cells resulted in renal tubular cytotoxicity, suggesting a role of erythrocytes in lead-induced nephrotoxicity. Morphological and flow cytometric analyses revealed that HK-2 cells actively phagocytized lead-exposed erythrocytes, which was associated with phosphatidylserine (PS) externalization on the erythrocyte membrane and generation of PS-bearing microvesicles. Increased oxidative stress and up-regulation of nephrotoxic biomarkers, such as NGAL, were observed in HK-2 cells undergoing erythrophagocytosis. Moreover, TGF-β, a marker of fibrosis, was also significantly up-regulated. We examined the significance of erythrophagocytosis in lead-induced nephrotoxicity in rats exposed to lead via drinking water for 12 weeks. We observed iron deposition and generation of oxidative stress in renal tissues of lead-exposed rats, as well as the histopathological alterations such as tubulointerstitial lesions, fibrosis, and up-regulation of KIM-1, NGAL, and TGF-β.</P><P>Conclusions: Our data strongly suggest that erythrophagocytosis and subsequent iron deposition in renal tubular cells could significantly enhance nephrotoxicity following lead exposure, providing insight on lead-associated kidney damages.</P><P>Citation: Kwon SY, Bae ON, Noh JY, Kim K, Kang S, Shin YJ, Lim KM, Chung JH. 2015. Erythrophagocytosis of lead-exposed erythrocytes by renal tubular cells: possible role in lead-induced nephrotoxicity. Environ Health Perspect 123:120–127; http://dx.doi.org/10.1289/ehp.1408094</P>

Gitelman씨 증후군 1예

차영학,송명준,신요식,김성민,김영욱,김윤권,김소연,김영중,조민구,이권전 全南大醫大 2001 전남의대학술지 Vol.37 No.3

뇌실외 배액술 관리에 대한 이해 및 업무수행 실태

김정숙,윤미선,송소이,이지은,문경선,고지운,임분남,김경희,박경숙 중앙대학교 간호과학연구소 2001 중앙간호논문집 Vol.5 No.2

The objective of this study was to investigate the managing realities of EVD and provide a descriptive survey with the attempt to obtain basic data needed for the standardization of EVD management. For that purpose, 220 questionnaire copies were distributed to those nurses who were working with intensive care units at university hospitals, general hospitals, semi-general hospitals in Seoul, Kyongki-de and local areas. Of 158 returned questionnaire copies, 139 were used for analysis. Data were collected during the term of academic seminars of Neurosurgery Nursing Committee and KICA (Korea Intensive Care Association), ranging from Oct. 26 through 27. 2000. The tools utilized a structured questionnaire form consisting of 21 questions on general characteristics, the level of understanding, the level of work performance, standard management guidelines, etc. The data collected were analysed with frequency, percentage, mean vague, chi -square test using the SPSS 10.0 program Findings were revealed, as follows: For managing the prevention of EVD infection, aseptic technique was found to be of the most importance (48.9%),'the technique should be carried out at an operation room'(92.8%), but it was actually performed at intensive care units (over 51.5%). 'The term of antibiotics use should be less than 7 days' (81.8%), while it was actually executed for less than 7 days (49.5%). 'The proper time of quittance from it should be within less than 7 days'(74.1%) but actual quittance was executed only by 51.1%. 'Set exchange is needed' by 54.0% but actual exchange was implemented merely by 28.1%. 'The subject of management should be nurses' was reflected by 40% but actually 52.0% were carried out. As a result of hating analysed the understanding of the management of EVD by general characteristics, a significant difference was found in the necessity for set exchange by hospitals, in the time of quittance of a catheter, and in ablution items by work experience. The result of hating analysed the work performance levels of EVD management by general characteristics revealed that a significant difference in administration facilities of medicine by the classification of hospitals, especially the use of antibiotics and the quitting time of a catheter by the classification of intensive care units, and in the use of antibiotics and ablution items by the standard management guidelines.

경추골과 수완부골 방사선 사진을 이용한 골성숙도 평가

김경호,성상진,박소연 대한치과교정학회 1998 대한치과교정학회지 Vol.28 No.2

임상 교정에서 성장하는 환자의 성장 단계를 이해하는 것은 매우 중요한 의미를 지닌다. 환자의 골성숙도를 평가하기 위해서 수완부골 방사선 사진이 비교적 흔히 사용되고 있으며, 측모 두부계측 방사선 사진에서 경추골의 발육을 조사하여 성장 정도를 평가할 수 있다. 본 연구에서는 교정 환자에서 일상적 기록으로 얻을 수 있는 측모 두부계측 방사선 사진을 통해 경추골의 성숙도(Cervical Vertebrae Maturation Indicators : CVMI)를 평가하고, 그와 동일 환자가 동일한 날에 촬영한 수완부골 방사선 사진에서 골성숙도(Skeletal Maturity Indicators: SMI)를 평가하여 그 분포율과 상관성을 조사, 검토한 결과 다음과 같은 결론을 얻었다. 1. 수완부골 방사선 사진에서 평가한 골성숙도와 측모 두부계선 방사선 사진에서 평가한 경추골 성숙도는 매우 높은 상관관계를 나타내었다. 2. SMI와 CVMI를 이요한 골성숙도 평가에서 CVMI 1은 SMI 1, 2와, CVMI 2는 SMI3, 4와 CVMI 3은 SMI 6, 7과, CVMI 4는 SMI 7, 8과, CVMI 5는 9, 10과, CVMI 6은 SMI11과 각각 높은 상호 연관성을 보였다. 3. 제2경추골과 제 3경추골의 형태변화를 분리하여 경추골 성숙도를 평가하였을 때 제 2 경추골 하연에서만 곡선화가 나타나고 제 3경추골에서는 곡선화가 나타나지 않은 경우가 CVMI2에서는 10.38%, CVMI 3에서는 6.56%로 매우 낮았다. 4. 수완부골과 경추골에서 평가된 각 골성숙단계에서 환자의 남녀별 평균 연령과 표준 편차를 조사한 결과 성장 시기의 개인별 차이가 크게 나타났으며, 여자가 남자보다 다소 조기에 골성숙이 일어나고 성장 종료 시점도 24개월정도 빠르게 일어났다. In clinical orthodontics, it is significant to understand the stage of growth in a growing patient. In order to assess the skeletal maturity of the patients, the hand-wrist radiograph and the cervical vertebrae (Cervical Vertebrae Maturation Indicators : CVMI) was evaluated from the lateral cephalograph and the skeletal maturity determined from the hand-wrist X-ray(Skeletal Maurity Indicators: SMI) taken on the same day in the same patients, and its interrelationship examined to come up with the following results: 1. the skeletal maturity evaluated from hand-wrist radiograph and the maturation of the cervical vertebrae from the lateral cephalograph showed a significant interrelationship with each other. 2. In the evaluation of the skeletal maturity using the SMI and CVMI, the CVMI 1 showed a significant correlation with SMI 1, 2 the CVMI 2 with SMI3, 4 CVMI 3 with SMI 6, 7, CVMI 4 with SMI 7, 8, CVMI 5 with 9, 10 and CVMI 6 with SMI11. 3. When the morphological changes in the 2nd and 3rd cervical vertebrae were separately observed, it was seldom that the concavity appeared in the lower border of the 2nd cervical vertebra and at the same time not appear in the 3rd cervical vertebra(CVMI2 : 10.38%, CVMI 3: 6.56%) 4. In each of the skeletal maturation stage evaluated from the hand-wrist and the cervical vertebrae, the average age and its standard deviation in male and female patients appeared to have large differences among individuals. Skeletal maturation seemed to appear earlier for the girls than for the boys, and its termination 24 months faster for girls.

미국의 식물유래약용물질(Plant-Made Pharmaceuticals, PMPs)의 안전성 규제

김태산,원소윤,이근표,류태훈,진용문,이길복,김현준 한국국제농업개발학회 2005 韓國國際農業開發學會誌 Vol.17 No.1

1. 식물유래 약용물질 (PMP)은 살아있는 식물에서 생산된 치료용 단백질로, 발효조에서 세포계통을 이용하는 것보다 적은 비용으로 높은 순도의 단백질을 생산할 수 있어 이에 대한 연구개발이 확대될 전망이다. 2. 식물유래 약용물질의 재배시험을 감독하는 주관부서는 미농무부(USDA)의 동식물 검역청(APHIS)이다. 3. PMP의 생산에는 알팔파. 옥수수, 벼 잇꽃과 담배 등이 이용되고 있다. 4. 현재 상업화된 PMP는 없으나 ProdiGene, Inc사 등 몇몇 생명공학 회사에서 이들의 연구개발이 진행되고 있다. 5. 2002년에 PMP 재배시험은 130에이커 규모로 34개 시험장에서 20건이 허가 되었으며 주별로는 애리조나, 네브라스카 등 14주에서 시험이 이루어 졌다. 6. 미국 USDA의 PMP 재배 지침에 의하면 PMP의 재배생산에는 안전성확보를 위한 별도의 전용장비를 필요로 하며 파종에서 생산까지 엄격하게 관리된다. 7. 미국 USDA의 APHIS는 2002년 PMP 옥수수를 생산하는 ProdiGene, Inc사에 대하여 2건의 포장시험허가 위반사항을 적발하여 벌금 조치를 한바있다. Plant-made pharmaceuticals(PMPs) are therapeutic agents(pharmaceutical proteins) produced in genetically engineered plants. To yield these valuable products plants offer several advantages that include large-scale production capacity at a reduced cost, equivalent purity/activity to other manufacturing systems, and freedom from contamination with animal pathogens, prions, or disease-causing germs. But there are risks of contamination of the food supply and unintended effects on ecosystems. In the U.S. PMPs are regulated under stringent requirement of the U.S. Department of Agriculture(USDA) and the Food and Drug Administration(FDA). In this article, contamination incident with PMP corn engineered by ProdiGene, Inc will be briefly introduced and regulations of PMPs will be discussed.

정중운동신경과 척골운동신경의 전기생리학적 연구

김종순,이현옥,안소윤,구봉오,남건우,김영직,김호봉,류재관,류재문 대한정형도수치료학회 2005 대한정형도수물리치료학회지 Vol.11 No.2

The determination of peripheral nerve conduction velocity is and important part to electrodiagnosis. Its value as neurophysiologic investigative procedure has been known for many years but normal value of median and ulnar motor nerve was poorly reported in Korea. To evaluate of median and ulnar motor nerve terminal latency, amplitude of CMAP(compound muscle action potential), conduction velocity and F-wave latency for obtain clinically useful reference value. 71 normal volunteers(age,19-65 years;142 hands) examined who has no history of peripheral neuropathy, diabetic mellitus, chronic renal failure, endocrine disorders, anti-cancer medicine, anti-tubercle medicine, alcoholism, trauma, radiculopathy. Nicolet Viking Ⅱ was use for detected terminal latency, amplitude of CMAP, conduction velocity and F-wave latency of median and ulnar motor nerve. Data analysis was performed using SPSS. Descriptive analysis was used for obtain mean and standard deviation, independent t-test was used to compare between Rt and Lt side also compare between different in genders. The results are summarized as follows: 1. Median motor nerve terminal latency was right 3.00ms, left 2.99ms and there was no significantly difference between right and left side and genders. 2. Median motor nerve amplitude of CMAP was right 17.26mV, left 17.50mV and there was no significantly differences between right and left side and genders. 3. Median motor nerve conduction velocity was right 57.89m/sec, left 58.03m/sec and there was no significantly difference between right and left side and genders. 4. Median motor nerve F-wave latency was right 25.74ms, left 25.59ms and there was significantly differences between genders. 5. Ulnar motor nerve terminal latency was right 2.38ms, left 2.45ms and there was significantly differences between right and left side. 6. Ulnar motor nerve amplitude of CMAP was right 15.99mV, left 16.02mV and there was no significantly differences between right and left side and genders. 7. Ulnar motor nerve conduction velocity was right 60.35m/sec, left 59.73/sec and there was no significantly differences between right and left side and genders. 8. Ulnar motor nerve F-wave latency was right 25.53ms, left 25.57ms and there was significantly differences between genders.