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Sweet food improves chronic stress-induced irritable bowel syndrome-like symptoms in rats

World Journal of Gastroenterology 2014年第9期20卷 2365-2373页

作者： Sang-Gyun Rho Yong Sung Kim Suck Chei Choi Moon Young Lee Department of Emergency Medical Services Sunmoon University Chungnam Asan 336-708 South Korea Department of Gastroenterology and Wonkwang Digestive Disease Research Institute Wonkwang University Sanbon Hospital Gyeonggi Gunpo 435-040 South Korea Department of Gastroenterology and Wonkwang Digestive Disease Research Institute School of MedicineWonkwang University Jeonbuk Iksan 570-974 South Korea Department of Physiology and Institute of Wonkwang Medical Science and Wonkwang Digestive Disease Research Institute School of Medicine Wonkwang UniversityJeonbuk Iksan 570-749 South Korea

AIM: To investigate whether palatable sweet foods have a beneficial effect on chronic stress-induced colonic motility and inflammatory cytokines.

关键词： Irritable bowel syndrome Colon Stress Adrenal hormones Cytokines Rat

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Assessment criteria for nonverbal interaction contents in r-learning

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Journal of Central south university 2013年第9期20卷 2388-2398页

作者： CHOI Jong-hong LEE Jong-yun YOON Heung-seob Department of Computer Education Chungbuk National University Department of English Education Chungbuk National University

r-learning,which is based on e-learning and u-learning,is defined as a learning support system that intelligent robots serve verbal and nonverbal interactions on ubiquitous computing *** order to guarantee the advantages of r-learning contents with no limits of timc and place and with nonverbal interaction which are not in e-learning contents,in recent years,assessment criteria for r-learning contents are urgently ***,the reliable and valid assessment criteria were developed for nonverbal interaction contents in r-learning,and its detailed research content is as ***,assessment criteria for nonverbal interaction in r-learning contents will be specified into gesture,facial expression,semi-verbal message,distance,physical contact and ***,the validity of the developed assessment criteria will be proved by ***,the assessment criteria for nonverbal interaction contents will be helpful when choosing the better r-learning content and producing the better r-learning content,and the reliability of school education is improved ultimately.

关键词： r-learning, r-learning contents assessment criteria nonverbal interaction contents confirmatory factor analysis construct validity

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Effect of DA-9701 on gastric emptying in a mouse model: Assessment by ^(13)C-octanoic acid breath test

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World Journal of Gastroenterology 2013年第27期19卷 4380-4385页

作者： Chul-Hyun Lim Myung-Gyu Choi Hyeyeon Park Myong Ki Baeg Jae Myung Park Department of Internal Medicine The Catholic University of Korea College of Medicine

AIM:To evaluate the effects of DA-9701 on the gastric emptying of a solid meal using the 13C-octanoic acid breath test in a mouse model. METHODS:Male C57BL/6 mice aged > 8 wk and with body weights of 20-25 g were used in this study. The solid test meal consisted of 200 mg of egg yolk labeled with 1.5 L/g 13C-octanoic acid. The mice were placed in a 130 mL chamber flushed with air at a flow speed of 200 mL/min. Breath samples were collected for 6 h. The half-emptying time and lag phase were calculated using a modified power exponential model. To assess the reproducibility of the 13C-octanoic acid breath test, the breath test was performed two times at intervals of one week in ten mice without drug treatment. To assess the gastrokinetic effects of DA-9701, the breath test was performed three times in another twelve mice, with a randomized crossover sequence of three drug treatments:DA-9701 3 mg/kg, erythromycin 6 mg/kg, or saline. Each breath test was performed at an interval of one week. RESULTS:Repeatedly measured half gastric emptying time of ten mice without drug treatment showed 0.856 of the intraclass correlation coefficient for the half gastric emptying time (P = 0.004). The mean cumulative excretion curve for the 13C-octanoic acid breath test showed accelerated gastric emptying after DA-9701 treatment compared with the saline control (P = 0.028). The median half gastric emptying time after the DA-9701 treatment was significantly shorter than after the saline treatment [122.4 min (109.0-137.9 min) vs 134.5 min (128.4-167.0 min), respectively; P = 0.028] and similar to that after the erythromycin treatment [123.3 min (112.9-138.2 min)]. The lag phase, which was defined as the period taken to empty 15% of a meal, was significantly shorter after the DA-9701 treatment than after the saline treatment [48.1 min (44.6-57.1 min) vs 52.6 min (49.45-57.4 min), respectively; P = 0.049]. CONCLUSION:The novel prokinetic agent DA-9701 accelerated gastric emptying, assessed w

关键词： DA-9701 Gastric emptying Prokinetic agent Breath test Functional dyspepsia

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Lower Bounds on the Capacities of Quantum Relay Channels

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Communications in Theoretical Physics 2012年第10期58卷 487-492页

作者：石金晶施荣华彭小奇郭迎易留洋李门浩 School of Information Science&Engineering Central South University Department of Information Science&Engineering Hunan First Normal University Institute of Information&Communication Chonbuk National University

Three kinds of quantum relay communication models are proposed,i.e.,the quantum single relay model,quantum serial multi-relay model and quantum parallel multi-relay *** channel capacities of those three kinds of systems are analyzed with the theory of quantum Markov trace-preserving process and the generalized theory of simple multi-hop channel in quantum *** by the quantum Fano inequality,the lower bounds of that channel capacities are *** illustration and simulation present the trends of the lower bounds on the channel capacities of different quantum relay systems based on the depolarizing noisy channel.

关键词： quantum communication quantum channel capacity quantum relay

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