• 제목/요약/키워드: PPi

검색결과 297건 처리시간 0.027초

Development of High Aperture Ratio 2.1” QVGA LTPS (Low Temperature Poly Si) LCD Using SLS (Sequential Lateral Solidification) Technology

  • Kang, Myung-Koo;Lee, Joong-Sun;Park, Jong-Hwa;Zhang, Lintao;Joo, Seung-Yong;Kim, Chul-Ho;Kim, Il-Kon;Kim, Sung-Ho;Park, Kyung-Soon;Yoo, Chun-Ki;Kim, Chi-Woo
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.II
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    • pp.1033-1034
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    • 2005
  • High resolution 2.1” QVGA LTPS LCD (190ppi) having high aperture ratio of 65% could be successfully developed using state-of-the-art SLS technology and active/gate storage structure. Cost effective P-MOS 6-Mask structure was used. Full gate and transmission gate circuits are integrated in the panel. The high aperture ratio was obtained by using active/gate capacitance structure, which can reduce storage capacitance area. The aperture ratio was increased to 65% from 49% of conventional gate/data capacitance structure. The brightness was increased from 180cd to 270cd without any degradation of optical properties such as contrast ratio, flicker or crosstalk.

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Development of 2.32-inch $320{\times}350$ LTPS TFT-LCD for Advanced Mobile Phones Using SLS Technology

  • Zhang, Lintao;Kang, Myung-Koo;Lee, Joong-Sun;Park, Jong-Hwa;Joo, Seung-Yong;Moon, Kuk-Chul;Kim, Il-Kon;Kim, Sung-Ho;Park, Kyung-Soon;Yoo, Chun-Ki;Kim, Chi-Woo
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.II
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    • pp.1035-1037
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    • 2005
  • 2.32-inch $320{\times}350$ TFT-LCD with high resolution (206PPI) for advanced mobile phones could be successfully developed. The compact pixel design based on PMOS SLS technique is used to achieve this high resolution. Gate driver and part of data driver are integrated onto the glass substrate. High brightness (170cd) and contrast ratio (400:1) were obtained with very low flickering and crosstalk levels.

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입체 형상 분석을 위한 3차원 계측시스템의 활용 -WBS와 RapidForm 2004를 중심으로- (Applications of Three-Dimensional Measurement System for Shape Analysis -Focused on WBS and RapidForm 2004-)

  • 이명희;정희경
    • 복식
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    • 제55권5호
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    • pp.55-64
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    • 2005
  • The concern with three-dimensional measurement has been growing in recent years. And over the last few years, several studies have been made on three-dimensional measurement. Some of the studies using a three-dimensional measurement have focused on type of form of human body and evaluation of fitness. But there has been no study about applications of three-dimensional measurement system for shape analysis. So, the purpose of this study was to investigate about application of three-dimensional mea-surement system lot shape analysis. The instrument and tools for three-dimensional measurement was Whole Body 3D scanner(model name: Exyma-WBS2H). Analysis program used in experiment is Rapid Form 2004 PPI (INUS technology, Int, Korea). The following results were obtained; 1. The point data using three-dimensional measurement system built 3D model. 2. The three-dimensional data were used to analyze length and curvature of shape. 3. The shape using three-dimensional measurement system could be used in variety field.

CAJ 검색을 통해 살펴 본 중국에서의 역류성 식도질환 침구치료 임상연구 동향에 대한 고찰 (A Review on Clinical Studies of the Acupuncture and Moxibustion Therapy for Gastroesophageal Reflux Disease in China by Searching CAJ)

  • 강세영
    • Korean Journal of Acupuncture
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    • 제32권1호
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    • pp.1-12
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    • 2015
  • Objectives : The purpose of this study was to review the acupuncture and moxibustion therapy for gastroesophageal reflux disease(GERD) in China. Methods : The literatures were searched using the database-China Academic Journals(CAJ)(~2015.1.). Clinical studies of acupuncture and moxibustion therapy for GERD such as randomized controlled trial(RCT), non-randomized controlled trial(NRCT), case series, or case report were included. Results : Thirty studies met our inclusion criteria: 24 RCTs, 4 NRCTs, 1 case series, 1 case report. Various kinds of treatment such as body acupuncture, abdominal acupuncture, acupuncture therapy with finger on back-shu point, electroacupuncture, acupoint injection, auricular acupuncture, and moxibustion were used in the clinical studies. The treatment groups take herbal medicines at the same time in 16 studies, and proton pump inhibitor(PPI) and histamine 2 receptor antagonist were used as a comparative treatment in the most of studies. Acupuncture or moxibustion treatments were done daily or 2~3 times a week for 5 days~18 weeks. All of studies reported higher effective rate in the acupuncture or moxibustion treatment group compared to the western medication control group. Conclusions : The results of this study could be used for the future practice and the clinical research about the acupuncture and moxibustion therapy for GERD.

Spectrofluorimetric Determination of Bisphosphonates in Biological Sample with a Fluorescent Chemosensor, NadDPA-2Zn2+

  • Jeong, Yun-Seong;Kim, Soon-Young;Jin, Geun-Woo;An, Song-Hie;Lee, Jae-Han;Jeong, A-Reum;Chio, Yeon-Soon;Hong, Jong-In;Park, Jong-Sang
    • Bulletin of the Korean Chemical Society
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    • 제31권9호
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    • pp.2561-2564
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    • 2010
  • The accurate determination of bisphosphonate levels in bone and biological fluids is important in both clinical and pharmacological/toxicological studies; however, the quantitative analysis of the bisphosphonate is difficult because its concentration is quite low in most of biological sample. A novel fluorescent chemosensor (FCS)-based measurement method of bisphosphaonate levels using Naphta-diDPA-$2Zn^{2+}$ (NadDPA-$2Zn^{2+}$, DPA = dipycolylamine), an excellent FCS previously used for detecting PPi, was developed. By the FCS method, the concentration of bisphosphonates having no fluorophores can be determined analyzed with sufficient sensitivity. The results of this study indicate that the FCS-based measurement can be a useful method to analyze bisphosphonates in biological samples.

Identifying literature-based significant genes and discovering novel drug indications on PPI network

  • Park, Minseok;Jang, Giup;Lee, Taekeon;Yoon, Youngmi
    • 한국컴퓨터정보학회논문지
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    • 제22권3호
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    • pp.131-138
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    • 2017
  • New drug development is time-consuming and costly. Hence, it is necessary to repurpose old drugs for finding new indication. We suggest the way that repurposing old drug using massive literature data and biological network. We supposed a disease-drug relationship can be available if signal pathways of the relationship include significant genes identified in literature data. This research is composed of three steps-identifying significant gene using co-occurrence in literature; analyzing the shortest path on biological network; and scoring a relationship with comparison between the significant genes and the shortest paths. Based on literatures, we identify significant genes based on the co-occurrence frequency between a gene and disease. With the network that include weight as possibility of interaction between genes, we use shortest paths on the network as signal pathways. We perform comparing genes that identified as significant gene and included on signal pathways, calculating the scores and then identifying the candidate drugs. With this processes, we show the drugs having new possibility of drug repurposing and the use of our method as the new method of drug repurposing.

식도 외 역류의 도그마 (Dogma of Extraesophaghgeal Reflux)

  • 박일석
    • 대한후두음성언어의학회지
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    • 제27권2호
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    • pp.78-83
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    • 2016
  • Laryngopharyngeal reflux (LPR) disease is an extraoesophageal variant of gastro-esophageal reflux disease that can affect the larynx and pharynx. LPR is associated with symptoms of laryngeal irritation such as throat clearing, coughing, and hoarseness. The main diagnostic methods currently used are laryngoscopy and pH monitoring. The most common laryngoscopic signs are redness and swelling of the throat. However, these findings are not specific of LPR and may be related to other causes or can even be found in healthy individuals. Furthermore, the role of pH monitoring in the diagnosis of LPR is controversial. A therapeutic trial with proton pump inhibitors (PPIs) has been suggested to be cost-effective and useful for the diagnosis of LPR. However, the recommendations of PPI therapy for patients with a suspicion of LPR are based on the results of uncontrolled studies, and high placebo response rates suggest a much more complex and multifactorial pathophysiology of LPR than simple acid reflux. Laryngoscopy and pH monitoring have failed as reliable tests for the diagnosis of LPR. Empirical therapy with PPIs is widely accepted as a diagnostic test and for the treatment of LPR. However, further research is needed to develop a definitive diagnostic test for LPR.

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마이크로 X-ray CT를 활용한 알루미늄 개방형 폼의 형상 및 압축 거동 분석 (Analysis of 3D Geometry and Compressive Behavior of Aluminum Open Cell Foam Using X-ray Micro CT)

  • 김영일;김지훈;이종국;김대용
    • 소성∙가공
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    • 제20권7호
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    • pp.518-523
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    • 2011
  • The three dimensional geometries of an aluminum open cell foam before and after uniaxial compressive loading were investigated using the X-ray micro CT(computed tomography). Aluminum 6101-T6 open cell foams of 10, 20, 40 ppi (pore per inch) were considered in this work. After the serial sectioning CT images of aluminum foams were obtained from non-destructive X-ray images, the exact 3D structure were reproduced and visualized with commercial image processing program. The relative density ratio was around the 7.0 to 9.0 range, the unit cells showed anisotropic shapes having the different dimensional ratios of 1.1 to 1.3 between the rise and the transverse directions. The yield stress increased with the relative density ratio and the volumetric strain increased proportionally with compressive strain. The plateau stress in the compressive stress-strain curve was caused by the buckling of ligaments.

Loss of Potential Biomarker Proteins Associated with Abundant Proteins during Abundant Protein Removal in Sample Pretreatment

  • Shin, Jihoon;Lee, Jinwook;Cho, Wonryeon
    • Mass Spectrometry Letters
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    • 제9권2호
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    • pp.51-55
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    • 2018
  • Capture of non-glycoproteins during lectin affinity chromatography is frequently observed, although it would seem to be anomalous. In actuality, lectin affinity chromatography works at post-translational modification (PTM) sites on a glycoprotein which is not involved in protein-protein interactions (PPIs). In this study, serial affinity column set (SACS) using lectins followed by proteomics methods was used to identify PPI mechanisms of captured proteins in human plasma. MetaCore, STRING, Ingenuity Pathway Analysis (IPA), and IntAct were individually used to elucidate the interactions of the identified abundant proteins and to obtain the corresponding interaction maps. The abundant non-glycoproteins were captured with the binding to the selected glycoproteins. Therefore, depletion process in sample pretreatment for abundant protein removal should be considered with more caution because it may lose precious disease-related low abundant proteins through PPIs of the removed abundant proteins in human plasma during the depletion process in biomarker discovery. Glycoproteins bearing specific glycans are frequently associated with cancer and can be specifically isolated by lectin affinity chromatography. Therefore, SACS using Lycopersicon esculentum lectin (LEL) can also be used to study disease interactomes.

자산유동화증권 도입을 통한 BTL 민간투자사업에서의 재원 조달 다양화 방안 연구 (A Study on Diversification of Financing Method for BTL Private Participation in Infrastructure by Introduction of ABS)

  • 박영민;김수용
    • 한국건설관리학회:학술대회논문집
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    • 한국건설관리학회 2006년도 정기학술발표대회 논문집
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    • pp.378-383
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    • 2006
  • 본 연구에서는 최근 활성화 되고 있는 BTL 사업의 재원조달 방법을 다양화함과 동시에 중소건설사의 민간투자사업 참여활성화를 위하여 자산유동화증권 제도의 도입을 검토하고 도입에 따른 효과와 장단점 등을 사례에 대한 민감도분석 등을 통하여 제시하고자 하였다. 이를 위하여 두 가지 형태의 ABS 도입 구조를 제안하고 절차를 제시하였으며 도입에 따른 효과 분석을 위하여 학교시설 신축 사업을 대상으로 조달금리 변화에 따른 사업자의 수익률 변화와 정부의 정부지급금 변화를 분석함으로서 도입의 효과를 계량화 하고자하였으며 ABS 제도의 도입에 필요한 향후 개선 과제를 제시하였다.

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