장기표면의 내외봉한관과 봉한소체의 형태학적 관찰

안성훈 ( Seong Hun Ahn ),김민수 ( Min Su Kim ),이상훈 ( Sang Hun Lee ),권오상 ( O Sang Kwon ),김재효 ( Jae Hyo Kim ),소광섭 ( Kwang Sup Soh ),손인철 ( In Chul Sohn ) 대한경락경혈학회 2009 Korean Journal of Acupuncture Vol.26 No.1

Objective: In 1960`s Bonghan Kim`s team found BongHan(BH) ducts which were presumed as acupuncture meridians and BH corpuscles. They asserted Bonghan theory and SanAl theory which was involved in cell division and cell restoration. However, many other experiments which had been operated to demonstrate and find the existence of BH ducts had failed because of the secret of blue stain drugs. During the last several years, BongHan theory has been revived through experimental researches to find the anatomical structures of BH ducts and corpuscles by Soh`s Biomedical Physics Lab. Soh`s research team used the staining with Janus Green B, Alcian blue, nanoparticles and Acridine Orange. We used DAPI staining to find the existence of BH ducts and the corpuscles and to observe nuclear arrangement. Methods: We used japan white rabbits as experimental animals. BH ducts and corpuscles were stained with DAPI. The nucleus configuration in BH ducts stained with DAPI were observed with microscope. Results: In this study, we found thread like structures in silver white color distinguished from the blood vessels, nerves and lymph vessels. These thread like vessels in the linear duct shape were connected to same colored mass in the ball shape. Thread like structures we found could be separated easily from the surrounding other organ mass. The nuclei of the thread like structure in DAPI staining, are about 10~20㎛ length, in rod shape and linear arrangement. Conclusion: We concluded that the thread like structure we found was same vessel reported by Soh`s research team, BongHan ducts and corpuscle.

SIZE OPTIMIATION OF AN ENGINE ROOM MEMBER FOR CRASHWORTHINESS USING RESPONSE SURFACE METHOD

S. OH,B.-W. YE,H.-C. SIN 한국자동차공학회 2007 International journal of automotive technology Vol.8 No.1

The frontal crash optimization of an engine room member using the response surface method was studied. The engine room member is composed of the front side member and the sub-frame. The thicknesses of the panels on the front side member and the sub-frame were selected as the design variables. The purpose of the optimization was to reduce the weight of the structure, under the constraint that the objective quantity of crash energy is absorbed. The response surface method was used to approximate the crash behavior in mathematical form for optimization procedure. To research the effect of the regression method, two different methodologies were used in constructing the response surface model, the least square method and the moving least square method. The optimum with the two methods was verified by the simulation result. The precision of the surrogate model affected the optimal design. The moving least square method showed better approximation than the least square method. In addition to the deterministic optimization, the reliabilitybased design optimization using the response surface method was executed to examine the effect of uncertainties in design variables. The requirement for reliability made the optimal structure be heavier than the result of the deterministic optimization. Compared with the deterministic optimum, the optimal design using the reliability-based design optimization showed higher crash energy absorption and little probability of failure in achieving the objective.

New approaches for micro-controlling of oxygen dopant contents in silicon-based thin films with application to multi-band gap solar cells

So, H.,Jang, J.,Lee, D.,Hong, M. Elsevier 2012 Current Applied Physics Vol.12 No.suppl4

Using the neutral-beam-assisted chemical vapor deposition (NBaCVD) system [5-12], an alternative technique that can control the oxygen doping in a silicon-based thin film has been developed. This brand-new technique has the ability to controlling of optical band gaps by micro-control the oxygen dopant concentrates in the nc-Si thin films. This control of the oxygen doping results in self-biasing on the internal antenna of an inductively coupled plasma (ICP) source; it also results in the hydrogen neutral beam (NB) energy being adjusted by the reflector bias. The oxygen atoms are supplied from the sputtering of an internal ICP antenna covered by a quartz tube and are eliminated by the energetic hydrogen NB in the NBaCVD system, rather than by a mass-flow-controller (MFC) used in conventional CVD. These results are observed via Fourier Transform Infrared Spectroscopy, X-ray Photoelectron Spectroscopy, Secondary Ion Mass Spectroscopy and UV-visible data. The result of this experiment allows the fabrication of multi-junction solar cells with gradually varying optical band gaps.

Fast motion estimation using modified diamond search patterns

So, H.,Kim, J.,Cho, W.-K.,Kim, Y.-S. IEE 2005 Electronics letters Vol.41 No.2

A fast block motion estimation algorithm is proposed using modified diamond search patterns. This algorithm utilises the directions and magnitudes of motion vectors between interblocks and uses a smaller number of search points than conventional diamond search patterns. Simulation results show that the proposed method significantly improves computational speed over other fast motion estimation algorithms without degradation of distortion.

Caving Disaster and Oil Spill Removal Adsorbent Mag-Sorbent

Soh, Dea-Wha,Soh, Hyun-Jin,Soh, Hyun-Jun,Soh, Hyun-Jae The Speleological Society 2008 동굴 Vol.85 No.-

For trying to frontal attack of new solution by fusion of technical tasks and conditions with it's solving methods of the essential tasks of marine resource development and environmental conservation in addition with elements of electronic high-technologies, the magnetic oil spill adsorbent of Mag-Sorbent* has been prepared and proposed to dispose oil spill from the marine disaster for preventing oil pollution by using them and their system with sequentially circular collection of oil spill mag-sorbent powder and fabrics on the electronic equipment like as barge robot for the scheme of sustainable development of environment-friendly technology. Because of recent marine accident occurred at Tae-An cost and earthquake in Sichuan province were very large scale accident of disaster to prevent and manage of them. So, it was verified from the experiment of electronic demonstrator that the skimmer system of oil spill mag-sorbent powder and fabrics prepared was very effective and useful technique to collect oil spill samples on the water surface specially at the closed space of underground cave. At this point, the barge-based electronic remote control was very useful system operating easily on the marine fields but also water level at the small pool to skim it with the environment-friendly system of the disposing marine disaster and preventing oil pollution using magnetic adsorbents of Mag-Sorbent*.

Caving Disaster and Oil Spill Removal Adsorbent Mag-Sorbent

( Dea Wha Soh ),( Hyun Jin Soh ),( Hyun Jun Soh ),( Hyun Jae Soh ) 한국동굴학회 2008 동굴 Vol.85 No.-

For trying to frontal attack of new solution by fusion of technical tasks and conditions with it`s solving methods of the essential tasks of marine resource development and environmental conservation in addition with elements of electronic high-technologies, the magnetic oil spill adsorbent of Mag-Sorbent* has been prepared and proposed to dispose oil spill from the marine disaster for preventing oil pollution by using them and their system with sequentially circular collection of oil spill mag-sorbent powder and fabrics on the electronic equipment like as barge robot for the scheme of sustainable development of environment-friendly technology. Because of recent marine accident occurred at Tae-An cost and earthquake in Sichuan province were very large scale accident of disaster to prevent and manage of them. So, it was verified from the experiment of electronic demonstrator that the skimmer system of oil spill mag-sorbent powder and fabrics prepared was very effective and useful technique to collect oil spill samples on the water surface specially at the closed space of underground cave. At this point, the barge-based electronic remote control was very useful system operating easily on the marine fields but also water level at the small pool to skim it with the environment-friendly system of the disposing marine disaster and preventing oil pollution using magnetic adsorbents of Mag-Sorbent.

Human Parasites in Korea

Soh,Chin-Thack INSTITUTE OF TROPICAL MEDICINE YONSEI UNIVERSITY 1989 YONSEI REPORTS ON TROPICAL MEDICINE Vol.20 No.1

Scinetific publication on human parasites in Korea was initiated by Mills, Shiga and Suzuki in 1911. Since then, 53 species of endozoan parasites have been identified : 13 nematodes, 10 trematodes, 8 cestodes, 22 protozoans.

On the relations of Riemann-Stieltjes integral and Lebesgue-Stieltjes integral

Soh, Won-Sup 공주대학교 사범대학 과학교육연구소 1986 과학교육연구 Vol.18 No.1

Riemann 積分과 Lebesgue 積分의 關系는 그간 많은 硏究가 있어 이에 關한 많은 硏究論文이 發表되어 왔다. 그러나 이 두 積分槪念의 擴張인 Riemann-Stieltjes 積分과 Lebesgue-Stieltjes 積分의 關系에 對한 硏究는 發表된 論文이 거의 없어 이에 對한 硏究가 必要하다고 본다. 이 論文은 Riemann-Stieltjes 積分과 Lebesgue-Stieltjes 積分의 關系에서 두 積分値가 같게 되는 몇가지 結論을 綜合 整理한 것이다.

Clinical Manifestation of Clonorchiasis in Korea

Soh,Chin-Thack,Im,Kyung-Il INSTITUTE OF TROPICAL MEDICINE YONSEI UNIVERSITY 1970 YONSEI REPORTS ON TROPICAL MEDICINE Vol.1 No.1

Clonorchis sinensis infected cases who admitted to the Yonsei University Severance Hospital for the July 1964 through August 1968 were searched to visualize the clinical pictures of clonorchiasis and laboratory findings by checking the charts. The number of the available cases for the present study was 424, Actualy, they admitted with another disease, but all the cases were confirmed egg-positive of Clonorchis sinensis. 1. The highest incidence of infected cases was found in 41-50 yrs. group of male and in 31-40yrs. group of female. Sex ratio of male per female was 4.17 : 1. 2. As a complication, liver diseases (20.6%); liver cirrhosis (10.3%), hepatoma (3.3%), cholelithiasis (0.9%) and cholecystitis (2.1%), were found. Gastrointestinal disturbance (30.8%), such as gastritis (9.6%) and peptic ulcer (10.1%) and other diseases, such as pulmonary tuberculosis (17.6%), hypertension (7.8%), Neurosis (6.6%), were observed. 3. Among the frequent subjective symptoms, gastrointestinal symptoms; such as indigestion (32.9%), anorexia (19.3%), epigastric pain (25.1%) and right upper quardrant discomfort (11.3%) and respiratory symptoms; such as short breathness (15.7%) and chest discomfort or pain (10.1%) and other general symptoms; such as fatigability (32.9%), headache (25.6%) and dizziness (12.5%), were found. 4. Objective signs observed in clonorchiasis patients were; edema (8.5%), jaundice (9.0%), hepatomegaly (27.5%), splenomegaly (5.2%), tenderness on the epigastrium and right upper quardrant of abdomen (14.1%). abdominal distension (8.2%), ascites (4.5%), spider hemangioma (3.8%) and telangiectasis (1.6%). 5. Single infection with Clonorchis sinensis was only 6.6%. Most of the cases were simultaneously infected with Ascaris lumbricoides (30.1%), hookworm (24.0%), trichostrongylus orientalis (43.2%), Trichocephalus trichiurus (85.5%), Entamoeba histolytica (5.2%) and Entamoeba coli (58.6%). 6. Hemoglobin value below 12mg/l was in 43.5% and the eosinphilia were in 29.6%. 7. Tasting sugar of the blood decresed in 18.2% of observed cases. Decreased albumin and increased globulin was found in 20.6% and 42.6% respectively, and A/G ratio was reversed in 11.7%. BUN and NPN decreased in 27.0% and in 2.4%, respectively. Total bilirubin increased in 32.3% of the observed cases. 8. B.S.P. retention test was positive in 58.6% and thymol turbidity test was positive in 45.3%. Total cholesterol values increased only in 8.0%, but cholesterol ester decreased in 66.2% out of observed cases. Low prothrombin was found in 62.1%. Alkaline phosphatase, SGOT and SGPT increased in 48.5%, 34.1% and 32.1%, respectively. 9. Urine protein, urine sugar and urine bile were positive in 17.0%, 3.4% and 14.8%, respectively. And urine urobilinogen increased in 12.1% out of clonorchiasis cases. From the above results, it is summarized that the Clonorchis sinensis infection may cause gastro-intestinal disorders, depress the liver functions and may rise cholangioma or a predisposing factor of liver cirrhosis.

Epidemiological Investigation of Paragonimus Infection in Laos

Soh, Chin-Thack INSTITUTE OF TROPICAL MEDICINE YONSEI UNIVERSITY 1973 YONSEI REPORTS ON TROPICAL MEDICINE Vol.4 No.1

An epidemiological study on Paragonimus infection was carried out in Laos during the period 10 January to 19 February, 1973. The results obtained are summarized as follows: 1. From 1986 to 1972, a total of 151 cases with sputum positive for Paragonimus eggs were noted in the laboratory records of the five medical institutions visited. 2. Intradermal test using Paragomimvs we stermani antigen were carried out on sample groups in Pakse, Savannakhet, Vientiane, Ban Xon, Sanakham, Luang Prabang and Houei Sai. Among the total of 1531 testd, 151 (9.8%) were positive reactors. 3. A larger number of positive dermal reactors was found distributed among adult age groups (25 years and over) than in younger age groups. 4. The seven provinces where over 50 people were tested in order of decreasing percentages of positive dermal reactors were Savannakhet, Saravane, Xieng Khouang, Vientiane, Luang Prabang, Houakhong and Sedone. Several provinces were excluded from the list because the numbers examined were not sufficient to permit an evaluation. 5. A total of 22 active cases were found and interviewed. The information obtained led to 15 places being designated as endemic foci. They were situated in the following provinces: Savann akhet, Vientiane, Xieng Khouang, Phong Sali, Sedone, Luang Prabang and Houa Phanh. 6. The four following species of family Thiaridae snails considered as probable first intermediate hosts were collected from the areas visited: Melanoides housei (Lea), Tarebia gramifera (Lamarck), Brotra sp., Thiara scabra(O.F. Mueller). But their host capacity remains to be verified. 7. Crabs were collected from each area. No metacercaria of Paragonimus westermani were found in ay of the 745 collected samples which included Potamon smithianus, Parathelphusa dugasti and Parathelphusa parathelphusa dugasti and Parathelphusa sp. 8. The consumption of crabs raw was a nation wide traditional food habit in Laos, and was recognized as one of the factors in the spread of paragonimiasis. Une etude epidemiologique sur l'infection a Paragonimus a ete effectuee au L맨 여 10 janyier au 19 fevrier 1973. Les resultats obtenus peuvent etre resumes comme suit: 1. De 1968 a 1972, un nombre total de 151 cas don't l'examen des expectorationa a revele la presence d'oeufs de Paragonimus ont ete consignes dans les registres de laboratoire des cinq etablissements medicaux visites. 2. Des echantillons de population a Pakse, Savannakhet, Vientiane, Ban Xon, Sanakham, Luang Prabang et Houei Sai ont subi des epreuves intradermiques a l'antigene de Paragonimus westermani. Sur un nombre total de 1531 epreuves, 151 sujets(9.8%) presentaient des reactions positives. 3. Un plus grand nombre de reactions cutanees positives a ete constante parmi les groupes d'adultes (25 ans ou plus)que parmi les groupes plus jeunes. 4. Les sept provinces ou plus de 50 personnes out subi l'epreuve intradermique etaient les suivantes (per ordre decroissant selon la proportion de reactions positives): Savannakhet, Saravane, Xieng Khouang, Vientiane, Luang Prabang, Xieng Khouang, Vientiane, Luang Prabang, Houakhong et Sedone. Plusieurs provinces ont ete eliminees de la liste car les nombres examines n'etaient pas suffisants pour permettre d'etablir une conclusion. 5. Au total, 22 cas evolutifs out ete depistes et interroges. Les donnees obtenues ont permis de localiser 15 foyers d'endemicite, dans les provinces suivants: Savannakhet, Vientiane, Xieng Khouang, Saly, Sedone, Luang Prabang et Houa Phanh. 6. Les quatre especes suivantes de mollusques appartenant a la famille des thiarides et soupconnis d'etre premiers hotes intermediaires ont ete recueillies dans les zones visitees: Melanoides housei (Lea), Tarebia gramifera(Lamarck), Brotia sp., Thiara scabra (O.F.Mueller). Cependant, leur capacite a heberger le trematoed reste a verifier. 7. Des crabes ont ete recueillis dans chaquezone. On n'a pas trouve de metacercaires de Paragoninus westermani dans les 754 echan tillons recueillis appartenant notamment aux expeces suivantes: Potamon smithianus, Parathelphusa dugasti et Parathelphusa sp. 8. Il est de coutume au Laos de consommer les crabes crus et l'on reconnait que c'est la un facterur contribuant a la propagation de la paragonimiase.