• Title/Summary/Keyword: scale detection

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Imaging of self-assembled monolayers by surface plasmon microscope (표면 플라즈몬 현미경을 이용한 자기조립 단분자막의 이미징)

  • 표현봉;신용범;윤현철;양해식;김윤태
    • Korean Journal of Optics and Photonics
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    • v.14 no.1
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    • pp.97-102
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    • 2003
  • Multi-channel images of 11-MUA(11-Mercaptoundecanoic acid) and 11-MUOH(11-Mercaptoundecanol) self-assembled monolayers were obtained by using two-dimensional surface plasmon resonance (SPR) absorption. The patterning process was simplified by exploiting direct photo-oxidation of thiol bonding (photolysis) instead of conventional photolithography. Sharper images were resolved by using a white light source in combination with a narrow bandpass filter in the visible region, minimizing the diffraction patterns on the images. The line profile calibration of the image contrast caused by different resonance conditions at each point on the sensor surface (at a fixed incident angle) enables us to discriminate the monolayer thickness in nanometer scale. Furthermore, there is no signal degradation such as photo bleaching or quenching, which are common in the detection methods based on fluorescence.

Systematic Review of Korean Medicine-related Study on Diagnostic Tools and Pattern Identification registered of Dysmenorrhea in the Korean Journal (국내 전자저널에 수록된 월경통 평가지표 및 변증에 대한 한의학적 임상연구 고찰)

  • Kim, Jihye;Kim, Jongyeol;Jeon, Youngju
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.29 no.5
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    • pp.434-442
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    • 2015
  • The purpose of this review was to survey the Korean Medicine related papers about women with primary dysmenorrhea in order to develop the clinical protocol of the diagnostic medical device. We searched the literature from 2000 through April 2015 using 5 online databases including Oriental Medicine Advanced Searching Integrated Sysptem (OASIS), Research Information Sharing Service (RISS), DataBase Periodical Information Academic (DBpia) and Korean Medical Database (KMBase). We selected papers to meet the following inclusion criteria: the papers involved dysmenorrhea (excluding secondary dysmenorrhea), published papers (excluding textbook, educational materials, conferences, etc.) and the papers matched search keywords or scope, but excluded papers to meet the following exclusion criteria: the duplicative papers, get out of the keywords and scope and not in english or korean language. Finally we found 17 papers and classified the papers according to the three search purposes which were diagnostic tools for evaluating the menstrual pain, dysmenorrhea' pattern identification and menstrual phase. Out of the 16 studies, 4 studies were focused on the diagnostic tools including Visual Analogue Scale (VAS), Measurement of Menstrual Pain (MMP) and etc. Other 5 studies were aimed at menstrual phase, and the other 7 studies were studied for pattern identification. The VAS has been widely used in research and in clinical practice for the detection of the menstrual pain. Treatments for patients with primary dysmenorrhea can be prescribed in consideration of their patterns of sasang constitution or body constitution as following: Qi stagnation-Blood deficiency, cold dampness, Qi deficiency-blood deficiency and liver-kidney deficiency etc. This results of research will be used as a useful material during plan a clinical study of primary dysmenorrhea and acquisition of good clinical data.

Dental Treatment of an AIDS Patient with Cerebral Infarction History and Hepatitis Type B Under General Anesthesia (뇌경색 및 B형 간염을 동반한 후천성 면역 결핍증 환자의 전신 마취 하 치과치료)

  • Ji, Sang-Eun;Kim, Jong-Soo;Kim, Chul-Hwan;Kim, Seung-Oh
    • Journal of The Korean Dental Society of Anesthesiology
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    • v.14 no.4
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    • pp.237-241
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    • 2014
  • Acquired Immune Deficiency Syndrome is the state which develops after complications with the infection from HIV. Irrespective of their state, all HIV infections have infectivity. According to a 2013 U.N. AIDS global report, the number of reported newly infected with HIV is constantly falling, while that of Korea has been increasing over recent years and it surpassed 10,000 in 2013. This phenomenon might be attributed to the unusualness of the blood test for early detection of HIV infection. From this fact, we can assume that we have strong possibilities for encounters with infections in the office. But many misconceptions about the disease makes patients try to hide their medical history, which can lead to a nationwide spread of the infection without proper management. Even though it may be difficult to take care of HIV patients in smaller dental offices, large scale hospitals have the means to arrange protocols to treat them. We present a case about dental treatment of a patient with AIDS that has a history of cerebral infarction and hepatitis type B under general anesthesia. The purpose of this case report was to discuss the special considerations of dental care for patients with HIV.

Cancer Registration in Basrah-Southern Iraq: Validation by Household Survey

  • Hussain, Riyadh Abdul-Ameer;Habib, Omran S
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.sup3
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    • pp.197-200
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    • 2016
  • On an international scale, the burden of cancer in absolute numbers continues to increase, mainly due to aging of population in many countries, the overall growth of the world population, changing lifestyle with increasing cancer-causing behavior, like cigarette smoking, changing dietary habits and sedentary life. Cancer is the second-leading cause of death and disability in the world, after only heart disease. Recently, increasing incidence and mortality of cancer have also become evident in the developing world. In Iraq and particularly in Basrah in the southern part of the country, the burden has definitely increased and deserves extensive research. The present paper is part of an extensive household survey carried out in Basrah in 2013. Among the objectives was to validate official cancer registration in the governorate. The cross-sectional survey had a retrospective component to inquire about the incidence of cancer and cancer-related deaths during the three years preceding the date of inquiry (2010-2012). A convenient sample of 6,999 households with 40,688 inhabitants using multistage cluster sampling was surveyed involving all urban and rural areas of Basrah. The official cancer registration activities in Basrah seemed to have attained a high level of registration coverage (70-80%) but the gap, represented by missed cases, is still high enough to criticize the system. Most of the missing cases were either not notified by treating facilities or they were diagnosed and treated outside Basrah. Using a set of parameters, the pattern of cancer was consistent based on data of the household survey and data of the cancer registry but a gap still existed in the coverage of incident cancer and mortality by cancer registration. Integrated serious steps are required to contain the risk of cancer and its burden on the patient through improving the registration process, improving early detection, diagnostic and management capabilities and encouraging scientific research to explore the hidden risk factors and possible causes of low registration coverage. Periodic household surveys seemed feasible and essential to support routine registration.

Isolation, Identification and Production of Salmonella Pullorum Coloured Antigen in Bangladesh for the Rapid Whole Blood Test

  • Hoque, M.M.;Biswas, H.R.;Rahman, L.
    • Asian-Australasian Journal of Animal Sciences
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    • v.10 no.1
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    • pp.141-146
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    • 1997
  • Postmortem examination was conducted on 350 (three hundred and fifty) chickens. Related samples (Liver, heart, ovary, spleen, bone-marrow, and caecal junction) were collected. The appropriate materials from the samples were cultured into different media. A total 40(forty) isolates of salmonella pullorum and S. gallinarum were identified and preserved. Characterization of the isolates were done by cultural, morphological, biochemical, and serological tests. Salmonella pullorum antigen was prepared from the local isolate, standardized and tested. This antigen was used in the field for the detection of pullorum or fowl typhoid infection or carrier birds. The antigen consisted of suspension of Salmonella pullorum in 0.50 percent sodium chloride plus 1.5 percent sodium sulfate and inactivated with 1% formalin U.S.P. and standardized with McFarland scale iv or by pour plate method containing 800 million organisms per milliliter and stained by the addition of alcoholic crystal violet. Sterility, safety and potency were tested and found as good as other international antigens. The antigen was found to retain its quality for six months when preserved at room temperatures. The test was made by mixing one drop of the antigen with a drop of blood or a drop of serum, on a glass plate or white tile. The locally produced antigen was as good as antigens from Japan, Hungary, Holland and India. A serological study was conducted with the locally prepared antigen in different farms, and the incidence was 0-4% in government farms, 5-10% in commercial imported breeds and 0-3% in cross breed local farms respectively.

Dynamics Associated with Prolonged Ensiling and Aerobic Deterioration of Total Mixed Ration Silage Containing Whole Crop Corn

  • Wang, Huili;Ning, Tingting;Hao, Wei;Zheng, Mingli;Xu, Chuncheng
    • Asian-Australasian Journal of Animal Sciences
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    • v.29 no.1
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    • pp.62-72
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    • 2016
  • This study investigated the dynamics associated with prolonged ensiling and aerobic deterioration of whole crop corn (WCC) silages and total mixed ration (TMR) silages containing WCC (C-TMR silages) to clarify the differences that account for the enhanced aerobic stability of TMR silages. Laboratory-scale barrel silos were randomly opened after 7, 14, 28, and 56 d of ensiling and were subjected to analyses of fermentation quality, microbial and temperature dynamics during aerobic exposure. WCC and C-TMR silages were both well preserved and microorganisms were inhibited with prolonged ensiling, including lactic acid bacteria. Yeast were inhibited to below the detection limit of 500 cfu/g fresh matter within 28 d of ensiling. Aerobic stability of both silages was enhanced with prolonged ensiling, whereas C-TMR silages were more aerobically stable than WCC silages for the same ensiling period. Besides the high moisture content, the weak aerobic stability of WCC silage is likely attributable to the higher lactic acid content and yeast count, which result from the high water-soluble carbohydrates content in WCC. After silo opening, yeast were the first to propagate and the increase in yeast levels is greater than that of other microorganisms in silages before deterioration. Besides, increased levels of aerobic bacteria were also detected before heating of WCC silages. The temperature dynamics also indicated that yeast are closely associated with the onset of the aerobic deterioration of C-TMR silage, whereas for WCC silages, besides yeast, aerobic bacteria also function in the aerobic deterioration. Therefore, the inclusion of WCC might contribute to the survival of yeast during ensiling but not influence the role of yeast in deterioration of C-TMR silages.

Comparison of CTD Cast and CTD Tow-yo Methods for Detecting Hydrothermal Plume (열수 플룸 검출을 위한 CTD Cast와 CTD Tow-yo 방법 비교)

  • Son, Juwon;Joo, Jongmin;Ham, Dong Jin;Yang, Seungjin;Kim, Jonguk
    • Ocean and Polar Research
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    • v.36 no.2
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    • pp.179-187
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    • 2014
  • Directly searching for undiscovered hydrothermal vent sites is inefficient due to the practical difficulty of comprehensively imaging vent fields. Thus, most searches for hydrothermal vent sites rely on the detection of hydrothermal plumes from water column observation. Detecting and measuring the hydrothermal plumes are the most efficient way to infer the presence and distribution of hydrothermal vents. Both the array of vertical casting and lateral towing are the most common methods to discover hydrothermal plumes. In this study, we compared results of cast and tow-yo operations along the same section of a spreading center with a distance of 20.5 km in the North Fiji Basin for mapping hydrothermal plumes. Operation of CTD tow-yo provides a detailed pattern of plumes which enable us to locate the hydrothermal vents. On the other hand, identification of hydrothermal activity can be determined effectively by CTD cast with additional analysis of geochemical tracers. Reduction in the operating time is another advantage of CTD cast operation, especially for regional-scale survey. Our results show that the combination of CTD cast and tow-yo would improve the efficiency of the hydrothermal plume survey to locate new hydrothermal vent sites.

High-definition Video Enhancement Using Color Constancy Based on Scene Unit and Modified Histogram Equalization (장면단위 색채 항상성과 변형 히스토그램 평활화 방법을 이용한 고선명 동영상의 화질 향상 방법)

  • Cho, Dong-Chan;Kang, Hyung-Sub;Kim, Whoi-Yul
    • Journal of Broadcast Engineering
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    • v.15 no.3
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    • pp.368-379
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    • 2010
  • As high-definition video is broadly used in various system such as broadcast system and digital camcorder the proper method in order to improve the quality of high-definition video is needed. In this paper, we propose an efficient method to improve color and contrast of high-definition video. In order to apply the image enhancement method to high-definition video, scale-down video of high-definition video is used and the parameter for image enhancement method is computed from small size video. To enhance the color of high-definition video, we apply color constancy method. First, we separate the video into several scenes by cut detection method. Then, we apply color constancy to each scene with same parameter. To improve the contrast of high-definition video, we use union of original image and histogram equalized image, and weight is calculated based on sorting of histogram bins. Finally, the performance of proposed method is demonstrated in experiment section.

The Study for the analysis of the detection efficiency and the design of the radiation detector's collimator using MCNP (MCNP 기반 스테레오 방사선 검출기 콜리메이터 설계 및 선량검출효율 분석연구)

  • Hwang, Young-Gwan;Lee, Nam-Ho;Kang, Gi-Byong;Park, Jong-Won
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2013.05a
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    • pp.1017-1019
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    • 2013
  • The radiation sources leaked from large-scale radiation leak accident like the Hukushima nuclear power plant accident or nuclear explosions can cause to the very large damage for us. So that the damage can be minimized, we have being developed a detector that can providing information about the location of the source to remove dangerous substances quickly than the conventional single detector. In this paper, we designed the shielding and collimator for the development of the Stereo Radiation detector in order to detect contaminants using MCNP Code. And we analyzed the results that is detected from the discretionary position of the radiation source. The results of this paper will be used as the basis for designing efficient structure for the radiation detectors.

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A Collecting Model of Public Opinion on Social Disaster in Twitter: A Case Study in 'Humidifier Disinfectant' (사회적 재난에 대한 트위터 여론 수렴 모델: '가습기 살균제' 사건을 중심으로)

  • Park, JunHyeong;Ryu, Pum-Mo;Oh, Hyo-Jung
    • KIPS Transactions on Software and Data Engineering
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    • v.6 no.4
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    • pp.177-184
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    • 2017
  • The abstract should concisely state what was done, how it was done, principal results, and their significance. It should be less than 300 words for all forms of publication. Recently social disasters have been occurring frequently in the increasing complicated social structure, and the scale of damage has also become larger. Accordingly, there is a need for a way to prevent further damage by rapidly responding to social disasters. Twitter is attracting attention as a countermeasure against disasters because of immediacy and expandability. Especially, collecting public opinion on Twitter can be used as a useful tool to prevent disasters by quickly responding. This study proposes a collecting method of Twitter public opinion through keyword analysis, issue topic tweet detection, and time trend analysis. Furthermore we also show the feasibility by selecting the case of humidifier disinfectant which is a social issue recently.