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균집락수가 적은 암색소성 비결핵항산균 배양의 임상적 의미
이정연 ( Jung Yeon Lee ),김미나 ( Mi Na Kim ),정희정 ( Hee Jung Chung ),전경란 ( Kyung Ran Jun ),최희진 ( Hee Jin Choi ),이혜영 ( Hye Young Lee ),정은영 ( Eun Young Joung ),오연목 ( Yeon Mok Oh ),이상도 ( Sang Do Lee ),김우성 ( Wo 대한결핵 및 호흡기학회 2005 Tuberculosis and Respiratory Diseases Vol.59 No.1
이정목 ( Jung Mok Lee ),김문권 ( Moon Kwon Kim ),장정란 ( Jeong Ran Jang ),김수동 ( Soo Dong Kim ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.2
모바일 컴퓨팅이 보편화 되고 기술이 발전 할수록, 모바일 환경에 가지고 있는 제약사항은 해결 해야 할 과제로 남아있다. 모바일 디바이스의 제약된 자원, 불안정한 네트워크, 서비스 접근성 등은 모바일 환경을 안정적으로 운영되기 힘든 요인이다. 이는 사용중인 어플리케이션의 서비스가 정지되거나 네트워크 전송의 실패 등의 문제가 빈번히 발생하는 원인이 된다. 본 연구에서는 이러한 문제 해결하기 위한 방법으로 정보를 효과적으로 수집하고 데이터를 분석하는 차세대 모바일 환경인 동적 모바일 생태계를 위한 모니터 시스템을 제시한다.
전성란 ( Seong Ran Jeon ),어수택 ( Soo Taek Uh ),김기업 ( Ki Up Kim ),이영목 ( Young Mok Lee ),김양기 ( Yang Ki Kim ),정은정 ( Eun Jung Jung ),김지연 ( Ji Yon Kim ),박의주 ( Eui Ju Park ) 대한결핵 및 호흡기학회 2008 Tuberculosis and Respiratory Diseases Vol.64 No.2
Tracheomegaly is a distinctive condition that presents with marked dilation of the trachea. Spontaneous pneumomediastinum is the result of alveolar rupture with dissection of the airway along the bronchus and into the mediastinum. Tracheomegaly and recurrent spontaneous pneumomediastinum are rare complications of pulmonary fibrosis when combined with rheumatoid arthritis. We present a case of tracheomegaly and recurrent spontaneous pneumomediastinum that was precipitated by repeated respiratory infection and chronic cough in a patient with pulmonary fibrosis that was associated with rheumatoid arthritis. (Tuberc Respir Dis 2008;64:144-148)
Miniscalpel acupuncture points of the cervical region: A review
Kim, Ju-ran,Lee, Jung Hee,Gong, Han Mi,Jun, Seungah,Chung, Yeon-Joong,Park, Chung A,Choi, Seong Hun,Lee, Geon-Mok,Lee, Hyun-Jong,Kim, Jae Soo Korean AcupunctureMoxibustion Medicine Society 2017 대한침구의학회지 Vol.34 No.3
Objectives : We conducted a literature search to identify trends with respect to miniscalpel acupuncture points (MAPs) of the cervical region with the aim of providing guidance regarding miniscalpel acupuncture (MA) in the cervical region. Methods : We searched 2 overseas sites (PubMed and Google Scholar) and 5 domestic sites (NDSL, RISS, KISS, OASIS and Korean Traditional Knowledge Portal) for clinical trials of MA of the cervical region. The search terms used were "acupotomy or miniscalpel acupuncture or miniscalpel" and "cervical." Of 73 studies found, 11 were included in this review, 6 of which presented exact MAPs. Owing to the lack of data, we refer to 1 Korean and 4 Chinese articles to analyze the exact location and meaning of the MAPs used in the published studies and to propose other clinically applicable MAPs. Results : We identified 10 of the most commonly used MAPs in the published studies, including those located below the external occipital protuberance, 2-2.5 cm both side down of the external occipital protuberance, 4.5-5 cm both side down of the external occipital protuberance and C3-7 spinous process. Furthermore, we proposed 13 additional MAPs that can be used clinically. Conclusion : We hope that this study will form a basis for the development of MA and hope to improve the safety and reproducibility in future MA studies of the cervical region.
The Effects of Miniscalpel Acupuncture on Cervicogenic Headache: A report of three cases
Jun, Seungah,Lee, Jung Hee,Gong, Han Mi,Chung, Yeon Joong,Kim, Ju Ran,Park, Chung A,Choi, Seong Hun,Lee, Geon Mok,Lee, Hyun Jong,Kim, Jae Soo Korean AcupunctureMoxibustion Medicine Society 2017 대한침구의학회지 Vol.25 No.1
Objectives : This study examined the effects of miniscalpel acupuncture (MA) in three patients with cervicogenic headache. Methods : Patients were treated with MA, which was performed once per week for three weeks. A headache score, visual analogue scale (VAS), and neck disability index (NDI) were used for the evaluation of treatment effects. Results : In cases 1, 2, and 3, the headache score decreased from 4 to 1, 3 to 0, and 3 to 1, respectively. The VAS score decreased from 8.5 to 1.9, 5 to 0.4, and 5.3 to 2 in cases 1, 2, and 3, respectively. The NDI score decreased from 28 to 4, 50 to 4, and 38 to 16 in cases 1, 2, and 3, respectively. Conclusion : MA appears to be effective for the treatment of cervicogenic headache. Further data should be collected and a comparative study using other treatment methods should be performed.
Hydroxyapatite 피막 처리된 임프란트에 대한 여러가지 기계적 표면처리방법이 임프란트 표면조도 및 성상에 미치는 영향
양경란,정오철,이재목,서조영,Yang, Kyung-Ran,Jung, Oh-Chul,Lee, Jae-Mok,Suh, Jo-Young 대한치주과학회 1994 Journal of Periodontal & Implant Science Vol.24 No.1
구강내 노출된 임프란트를 건강한 상태로 유지하기 위해서는 임프란트 매식체 표면을 처치하여 주위조직과 잘 적합할 수 있는 표면구조를 만들어 주어야 한다. 실패한 임프란트의 처리방법으로 구연산이나 air-abrasive system과 같은 여러 가지 방법이 소개 되었으나 HA 피막 처치된 임프란트와 같은 거친 표면이 구강내로 노출된 경우에는 구연산이나 air-abrasive system을 이용한 표면 처리방법을 세균독소 제거에는 효과적이나 HA 피막 처리된 매식체의 거친 표면 제거는 어렵기 때문에 계속되는 치태침착을 방지하기에는 효과적이지 못하므로 세균독소를 제거하는 한편 표면성상을 변화시키지 않고 평활한 표면을 만들기 위한 처리방법들을 알아보고자 하였다. IMZ사에서 제작한 HA 피막 처리된 disc에 high speed diamond bur, low speed diamond bur, stone bur, rubber point, jetpolisher를 처치하고 표면평활도를 알아보기 위하여 표면조도측정 및 주사전자현미경으로 표면상태를 관찰하고 표면성분 변화 유무를 알아보기 위하여 EDX를 이용하여 표면성분을 분석한 결과 다음과 같은 결과를 얻었다. 각 시편에 대한 표면조도 측정 결과는 실험 I군 $2.11{\mu}m$, 실험 II군 $4.17{\mu}m$, 실험 III군 $7.28{\mu}m$, 실험 IV군 $8.61{\mu}m$, 실험 V군 $39.44{\mu}m$의 최대높이값을 나타내므로써, I, II, III, IV, V군 순으로 표면이 평활하게 나타났다. 주사전자현미경 관찰에서는 실험 I군은 비교적 평활한 면을 보였고, 실험 II군은 HA 입자가 거의 삭제되었으나 잔존하는 일부의 HA 입자로 인하여 I군보다 약간 거친 표면을 보였다. 실험 III군과 IV군은 삭제되지 않고 잔존하는 HA 입자가 많아 거친 양상을 보였으며 실험 V군인 HA 피막 처리된 면의 경우는 깊은 홈과 돌출된 부분을 가진 매우 불규칙한 표면 구조를 보였다. 시편의 단면 관찰에서는 실험 I군은 균일한 면을 보였으며 실험 III군과 IV군에서는 삭제되지 않고 잔존하는 다량의 HA 입자로 인해 거친 표면을 보였으나 HA 피막의 두께는 상당량 감소되어 나타났다. 또한 실험 II군과 I군과 유사한 양상을 보였다. 실험 V군의 경우는 일정하지는 않지만 약 $40{\mu}m$의 두께를 보였다. EDX에 의한 표면성분 분석 결과, 삭제가 가장 우수한 실험 II군에서는 calcium과 phosphorus가 소량 나타났고, 삭제가 완전하지 않은 실험 III, IV군에서는 calcium peak와 phosphorus peak를 보였다. 모든 군에 나타난 aluminum은 제조과정 중의 혼입으로 사료된다. 모든 실험군에서 titanium, aluminum, calcium, phosphorus 이외의 다른 성분은 나타나지 않았다. For maintenance of exposed implant in healthy state, it is necessary to treat the surface of implant fixture and provide the surface adjustable to surrounding tissues. Variable techniques have been introduced such as citric acid and air-abrasive system to treat the failed implant. Although when the rough surface of HA coated implant was exposed to oral environment, the surface treatment method with citric acid or air-abrasive system is effective for removal of bacterial endotoxin, it is unsuccessful to prevent plaque deposition due to difficulty in removal of rough surface of HA coated implant. Thus, in this study the method that removes bacterial endotoxin and makes smooch surface without alteration of surface characteristics was studied. HA coated disc manufactured by IMZ Co. Was treated with high speed diamond bur, low speed diamond bur, stone bur, rubber point, jetpolisher. And then its surface state was examined with profilometer and SEM to evaluate the surface smoothness, and its surface component was analyzed with EDX to evaluate wheter the surface characteristics were altered or not. As a result, following results were obtained. When the surface roughness of each implant disc was measured by profilometer, the group I showed a $R_{max}\;2.11{\mu}m$ and the group II, III, IV, V showed a $R_{max2}\;4.17{\mu}m$, $7.28{\mu}m$, $8.61{\mu}m$ and $39.44{\mu}m$ respectively. That is, surface smoothness was highest in the group I and it has been gradually decreased in the group II, III, IV and V. Under the SEM examination, the group I showed relatively smooth surface and the group II showed slightly rougher surface than the group I due to partially remaining HA particles while most HA particle was removed. The group III and IV showed rough topography due to HA particles that was not grinded, and HA coated surface in group V showed very irregular surface with deep groove and prominence. In cross-sectional view, the group I showed uniform surface, and the group III, IV showed rough surface due to remaining HA particles but the thickness of HA coating was remarkably reduced. The group II has similar pattern in group I, and the group V showed about $40{\mu}m$ thickness although it was not constant. By analysis of surface component with EDX, the group II in which the grinding was effective showed a small quantity of calcium and phosphorous and the group III, IV, in which the grinding was incomplete showed calcium and phosphorus peak. In all experimental group, no other than titanium, aluminum, calcium, phosphorus was observed.
Precision Control for Beam Irradiation Dose by Developing a Real-time Dose Monitoring System
Hwang Yong Seok,Kim Maengjun,석재권,Lee Chan Young,Ha Jun Mok,Kim Chorong,Kim Dong Seok,Yeo Sunmog,Jung Myung-Hwan,Cho Won-Je,Jeon Hye-Ran,Lee Jae S.,박준규 한국물리학회 2020 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.77 No.5
We have developed a real-time dose monitoring system for a low-energy ion-beam facility. Before we developed the monitoring system, the system had given a substantial error of ±23% when we irradiated an ion beam with a dose as much as 3.0 × 1016 cm-2 on the Si substrate. Moreover, a low irradiation dose as small as 1013 cm-2 was scarcely able to be controlled because of a too short irradiation time of several seconds, producing a greater dose error. To develop a real-time dose monitoring system, in this work, we employed a current integrator in conjunction with a beam stopper, by which a dose of 3.0 × 1016 cm-2 can be exactly irradiated on the sample with less than ±6% error, which was ensured by the measurements of Rutherford backscattering spectroscopy.