• Title/Summary/Keyword: ccpA

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The Human Milk Oligosaccharide 2'-Fucosyllactose Shows an Immune-Enhancing Effect in a Cyclophosphamide-Induced Mouse Model

  • Seon Ha Jo;Kyeong Jin Kim;Soo-yeon Park;Hyun-Dong Paik;Ji Yeon Kim
    • Journal of Microbiology and Biotechnology
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    • v.33 no.3
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    • pp.356-362
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    • 2023
  • The 2'-fucosyllactose (2'-FL) is the richest components in a human milk oligosaccharide. Several studies have reported that 2'-FL has beneficial effects in infants. However, there are few studies on its immune-enhancing effects. This research aimed to examine the immune-enhancing effect of 2'-FL on immunosuppression by cyclophosphamide (CCP) in ICR mice. Mice were orally administered distilled water or 0.5 mg/kg B.W. 2'-FL for 14 days. An immunocompromised mouse model was induced using CCP 80 mg/kg B.W. at 12-14 days. Using the CCP had effects on reducing their body weight, organ weight, spleen index, natural killer (NK) cell activity, and cytokines concentration and expression. This study also used concanavalin A-mediated T-cell proliferation to verify the immune-enhancing effects in the sample. Body weight, spleen index, organ weight, and cytokine levels were measured to estimate the immune-enhancing effects. The body weight at 14 days tended to increase, and the spleen weight and index significantly increased in the 2'-FL group compared to the CCP group. The NK cell activity increased in the 2'-FL group compared to the CCP group, but there was no significant difference. The concentration of interleukin (IL)-2 tended to recover in the 2'-FL group compared to the CCP group. The 2'-FL group showed a significant increase of IL-10 and IFN-gamma concentration compared to the CCP group. In addition, there was a trend of increased IL-10 mRNA expression compared to the CCP group. These results revealed that 2'-FL improved CCP-induced immunosuppression, suggesting that 2'-FL may have the potential to enhance the immune system.

Implementation of Data Protocol Conversion System for High-end CMOS Image Sensors Equipped with SMIA CCP2 Serial Interface (SMIA CCP2 직렬 인터페이스를 가지는 고기능 이미지 센서를 위한 데이터 프로토콜 변환 시스템의 구현)

  • Kim, Nam-Ho;Park, Hyun-Sang
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.10 no.4
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    • pp.753-758
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    • 2009
  • Recently the high-end CMOS image sensors are developed, conforming to the SMIA CCP2 specification, which is a high-speed low-power serial interface based on LVDS technology. But this kind of technology trend makes the existing equipments are no longer useful, although their capability is still good enough to handle the recent image sensors if there was no interfacing problem. In this paper, we propose and realize a data protocol conversion system that translates the SMIA CCP2 serial signals into the existing 10-bit parallel signals. The proposed system is composed of a de-serializer and a FPCA chip, and thus can be constructed on a small PCB which enables easy integration between the existing equipments and the new high-end image sensors. Besides, the maximum transfer rate by the SMIA specification is also achieved on the implemented system. So it is expected that the implemented system can be used as a general-purpose protocol converter in a variety of sensor-related application fields.

The CCP Assessment of CANDU-6 Channel Loaded with CANFLEX-NU Fuel Bundle

  • Jun, Ji-Su;Park, Joo-Hwan;Suk, Ho-Chun
    • Proceedings of the Korean Nuclear Society Conference
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    • 1997.05a
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    • pp.374-379
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    • 1997
  • The thermal margin of CANDU-6 reactor is estimated by the CCP, which is dependent on fuel channel hydraulics and the CHF of fuel bundle. This paper intents to describe the characteristics of CCP behavior for the CANDU-6 channel in which CANFLEX-NU fuel bundles are assumed to be loaded. Also, it includes the thermal margin evaluation of the CANDU-6 channel loaded with a mixed CANFLEX-NU and 37-element fuel bundles as a simulation of the partial loading of CANFLEX-NU fuel bundle in the CANDU-6 reactor. For the mixed fuel channels, the effects of axial flux distribution(AFD) on CCP were investigated by using the AFD tilted in the downstream. The CCP of CANFLEX-NU fuel bundle was found to be improved by the CHF enhancement, despite of the slight flow decrease, in case of both full and partial loading, compared with those of a standard 37-element fuel bundle.

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중국공산당 이데올로기 전략의 효용성 연구 - 중국의 정치사상교육을 중심으로

  • Lee, Dong-Gyu
    • 중국학논총
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    • no.68
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    • pp.141-161
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    • 2020
  • This paper aims to analyze China's political education, which plays a role of vehicle in the Chinese Communist Party (CCP) promoting its ideological strategy, in order to figure out the utility of the CCP's ideological strategy. After Reform and Opening Up, the CCP rebuilt and reinforced political education in China according to its ideological strategy. Especially after the Tiananmen incident in 1989, the CCP made nationalism and patriotism as the core part of political education, and expanded its curriculum. Such reinforcement of political education has a advantage in maintaining the CCP's governance by creating a nationalist consensus against the western ideas. Although it can be helpful for the stability of domestic politics, it also has negative possibilities which isolate China in the global community and obstruct China's development.

Perceived Performance of HACCP for School Foodservice Managers in Daejeon (대전지역 학교급식 영양사의 HACCP 직무관련 수행도 평가)

  • Kim, Young-Ok;Kwon, Sun-Ja;Ly, Sun-Yung
    • Korean Journal of Human Ecology
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    • v.18 no.1
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    • pp.223-236
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    • 2009
  • The purpose of this study was to improve the sanitary management of school foodservice. A survey questionnaire was administered to 153 dietitians from elementary, middle and high schools in the Daejeon area. The questions were categorized into four fields: 'General characteristics', 'Facility and equipment set up at the schools studied', 'Performance of CCP(criticai control point)s' and 'Reasons of barriers to HACCP(hazard analysis of critical control points) implementation'. The results were as follows. Most of the subjects were the dietitians of elementary school(56.9%), were university graduates(51.0%) and were in their thirties(58.2%). The average length of their career had been 5.8 years. The average ratio of students per dietitian was 1,163. The average ratio of students per full-time employee was 124. The ratio of self-operated management was 90.2 %. The CCP7(assembling and serving) received the highest performance score, while the performance score of CCP2(management of potentially hazardous foods) was the lowest. Eighty-four percent of the surveyed school foodservices did not have pre-preparation rooms. The school foodservice operations were not well equipped with hot/cold holding equipments. Self-operated management scored higher on almost all sections(CCP1-CCP7). Contracted management scored highest on CCP8. The higher the age and career of the subject were, the higher were all the CCP performance scores. The reasons of barriers to HACCP implementation were lack of understanding of standards CCP1 and CCP2, workers' lack of cooking knowledge, and lack of information about school foodservice.

Performance analysis of call control processor according to SAAL funtion distribution in ATM switching system (ATM 교환기에서 SAAL 기능 분산에 따른 호처리 프로세서의 성능 분석)

  • 여환근;송광석;노승환;기장근
    • Journal of the Korean Institute of Telematics and Electronics S
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    • v.35S no.2
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    • pp.31-39
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    • 1998
  • In this paper, we have presented a quantitative performance effect of CCP(Call Control Processor) when SAAL(Signalling ATM Adaptation Layer) function is distributed from CCP to SIMs(Subscriber Interface Modules) in an ATM switching system with distributed architecutre. For the performance analysis, SLAM II simulation language is used and subscriber signalling messageand inter-processor communication messages according to Q.2931 based local call processing procedure are taken into consideration in the proposed queuing network model. The results of simulation are compared with in case of processing SAAL function on CCP. It is observed that the processing utilization of CCP reach 24,000 BHCA and 25,700 BHCAwhen SAAL function load amounts to 10% and 20% of the processing time of the total message, respectively. These values shows that the processing utilization of CCP is alleviated about 7% in comparison with 2,000 BHCA in case that SAAL function is carried out on CCP. Consquently, it is shown that we have to consider seriously how to distribute the functions concerning call processing in a large cale ATM switching system architecture accomodating a number of SIMs.

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Evaluation on the Characteristics of Weak Soil Adjacent to Chemical Compaction Pile of Using Bottom Ash (Bottom Ash를 활용한 Chemical Compaction Pile의 주변 지반 개량 특성 평가)

  • Kim, Sang-Chel;Park, Kyung-Tae;Sung, Ik-Hyun
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.11 no.1
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    • pp.163-170
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    • 2007
  • To evaluate on the applicability of Chemical Compaction Pile (CCP) method to weak soil improvement, two kinds of testing chambers were fabricated and the changes of water content and shear stress associated with soil types, ages and distances from the center of pile were measured with different mixing proportions of CCP such as bottom ash, lime powder and added admixture. As results of test, it was noted that water content and shear stress of ground are mainly affected by the amount of lime powder and increase of the amount corresponds to rapid improvement of soil. And the improvement depended greatly on the types of soil also. It was finally found that CCP developed can be applicable to bearing pile as well as soil improvement since CCP has a bearing capacity enough to carry loads.

A Robust Companding Scheme against Nonlinear Distortion of High Power Amplifiers (고출력 증폭기의 비선형 왜곡 특성에 강인한 Companding 기법)

  • Kim, Jae-Woon;Han, Seung-Woo;Shin, Yo-An
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.32 no.11C
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    • pp.1079-1086
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    • 2007
  • In this paper, we propose a CCP (Companding Combined with Predistorter) scheme that maintains BER (Bit Error Rate) performance of systems, while effectively reducing PAPR (Peak-to-Average Power Ratio) of OFDM (Orthogonal Frequency Division Multiplexing) signals, independent of nonlinear property of HPAs (High Power Amplifiers). The proposed CCP scheme combines the conventional companding scheme proposed by the authors with the predistorter, in order to prevent degradation of BER performance caused by signal distortion from nonlinear property of the HPA and the compression property of the companding scheme. Hence, the proposed scheme effectively reduces the PAPR and simultaneously maintains the BER performance, independent of nonlinear property of the HPA. Simulation results showed that the proposed CCP scheme provides the lowest total degradation for all the modulations, when comparing with the companding scheme proposed by Wang and the clipping scheme.

A clustered cyclic product code for the burst error correction in the DVCR systems (DVCR 시스템의 연집 오류 정정을 위한 클러스터 순환 프러덕트 부호)

  • 이종화;유철우;강창언;홍대식
    • Journal of the Korean Institute of Telematics and Electronics S
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    • v.34S no.2
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    • pp.1-10
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    • 1997
  • In this paper, an improved lower bound on the burst-error correcting capability of th ecyclic product code is presented and through the analysis of this new bound clustered cyclic product (CCP abbr.)code is proposed. The CCP code, to improve the burst-error correcting capability, combines the idea of clustering and the transmission method of cyclic product code. That is, a cluster which is defined in this paper as a group of consecutive code symbols is employed as a new transmission unit to the code array transmission of cyclic product code. the burst-error correcting capability of the CCP code is improved without a loss in the random-error correcting capability and performance comparison in the digital video camera records (DVCR) system shows the superiority of the proposed CCP code over conventional product codes.

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Consultative Democracy in Contemporary China: From a Perspective of Popular Sovereignty (인민주권론의 관점에서 본 중국 협상민주주의(协商民主))

  • Yoo, Eunha
    • Analyses & Alternatives
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    • v.4 no.1
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    • pp.39-61
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    • 2020
  • The Chinese Communist Party's 'with-Chinese-characteristics' discourse proclaims its superiority in reflecting people's genuine needs without poisonous partisan politics, as in Western democracies. The Party's Consultative Democracy is key to this superiority. To evaluate Consultative Democracy in Contemporary China from a perspective of popular sovereignty, which is the essential purpose of every kinds of democracy, this research looks into Consultative Democracy from two dimensions: theoretical dimension and institutional dimension. Theoretically, CCP's Consultative Democracy seeks its theoretical sources from their traditional thought as well as from Marxism, and especially emphasizes CCP's leadership to fulfill the consultation results. And through the analysis of various field investigations, we find that there are some prominent problems in grass-roots society's institutional mechanism for Consultative Democracy, such as insufficient connection between institutional innovation and existing legal system, inefficient consultation, insufficient representation of consultative subjects and weak motive force for sustainable development. By legitimizing certain groups or individuals as representatives in their consultative process, CCP can be de-legitimize by containing, dividing or denouncing others so that critics can be co-opted, neutralized or isolated. The CCP's consultative and representational processes are different from taking policy inputs as dialogue or negotiation as in democracies, it is a dynamic, largely one-way process of enforcement and direction with a clear political agenda: maintaining Party hegemony.

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