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중국 외국산 유아용품 소비자의 위험지각이 원산지에 대한 소비태도와 구매의도에 미치는 영향
강춘연 ( Chun Yan Jiang ),임달호 ( Dal Ho Lim ),신영애 ( Young Ae Shin ) 한국유통경영학회(구 한국유통정보학회) 2015 유통정보학회지 Vol.18 No.1
Purpose: This study has intended to comprehend the effect of the origin on the consumer``s attitude and purchase intention based on the foreign Chinese baby product consumers and indifferently from the existing studies, it introduced the risk perception as the moderating variable and verified how the influence on the origin and consumer``s attitude differs. Research design, data, and methodology: In this research, total of 264 copies of the questionnaires were collected and 245 copies were applied in the final analysis. In order to verify the research hypothesis, multiple regression analysis was conducted with SPSS 18.0. Results: The research results it was displayed that the risk perception between the place of origin for the manufacture of the foreign baby products and the consumer attitude plays a regulative role. Meanwhile, it was not able to play a regulative role between the place of origin for the brand and the consumer attitude. Conclusions: It was shown that Chinese consumers not only place emphasis on the brand but consider the place of manufacture as a more important condition. Accordingly, establishment of marketing strategies is needed so that the favor of the consumer can be brought out more easily through promotion that takes place by placing emphasis on the foreign country of origin.
Modification of a Smoking Motivation Questionnaire for Chinese Medical Students
Jiang, Chao,Sun, Wen-Jie,Wan, Yan-Chun,Wei, Ming-Wei,Mu, Yong-Ping,Tarver, Siobhan L.,Gao, Yong-Qing,Hu, Tian,Xu, Chao,Gordon, James,Feng, Cindy Xin,Wen, Yu-Feng Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.6
Introduction: Smoking prevalence among the medical students is high in China. Therefore, understanding the smoking motivations of medical students is crucial for smoking control, but currently there are no scales questionnaires customized for probing the smoking motivations of medical students. This aim of study was to test and modify a questionnaire for investigating smoking motivations among medical students. Methods: A cross-sectional survey was conducted among 1,125 medical students at Xuzhou Medical College in China in 2012.The model fit and validity was assessed by confirmatory factor analysis (CFA) and the reliability was tested by single-item reliability, composite reliability, and item-total correlation. Results: The prevalence of smoking was 9.84 % among study population. In the modified scales, the global fit indices identified a CFI value of 0.96, TLI was 0.96, and the RMSEA was 0.063. CFA supported the two dimensional structure of the instrument. The average variance extracted ranged from 0.45 to 0.62. All single-item reliability scores were greater than 0.20, and the composite reliability ranged from 0.74 to 0.91. Conclusion: Modified scales could be the preliminary instrument used in evaluating the smoking motivations of medical students. However, it should be further assessed using other forms and methods of validity and reliability, additional motivations of smoking, and the survey of other medical colleges in China.
DEPDC1 is a novel cell cycle related gene that regulates mitotic progression
( Yan Mi ),( Chun Dong Zhang ),( You Quan Bu ),( Ying Zhang ),( Long Xia He ),( Hong Xia Li ),( Hui Fang Zhu ),( Yi Li ),( Yun Long Lei ),( Jiang Zhu ) 생화학분자생물학회(구 한국생화학분자생물학회) 2015 BMB Reports Vol.48 No.7
DEPDC1 is a recently identified novel tumor-related gene that is upregulated in several types of cancer and contributes to tumorigenesis. In this study, we have investigated the expression pattern and functional implications of DEPDC1 during cell cycle progression. Expression studies using synchronized cells demonstrated that DEPDC1 is highly expressed in the mitotic phase of the cell cycle. Immunofluorescence assays showed that DEPDC1 is predominantly localized in the nucleus during interphase and is redistributed into the whole cell upon nuclear membrane breakdown in metaphase. Subsequently, siRNA-mediated knockdown of DEPDC1 caused a significant mitotic arrest. Moreover, knockdown of DEPDC1 resulted in remarkable mitotic defects such as abnormal multiple nuclei and multipolar spindle structures accompanied by the upregulation of the A20 gene as well as several cell cycle-related genes such as CCNB1 and CCNB2. Taken together, our current observations strongly suggest that this novel cancerous gene, DEPDC1, plays a pivotal role in the regulation of proper mitotic progression. [BMB Reports 2015; 48(7): 413-418]
Jiang, Ping,Yu, Guo-Yu,Zhang, Yong,Xiang, Yang,Hua, Hai-Rong,Bian, Li,Wang, Chun-Yan,Lee, Wen-Hui,Zhang, Yun Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.6
The role of protease-activated receptors (PARs) in lung tumors is controversial. Although PAR4 is preferentially expressed in human lung tissues, its possible significance in lung cancer has not been defined. The studies reported herein used a combination of clinical observations and molecular methods. Surgically resected lung adenocarcinomas and associated adjacent normal lung tissues were collected and BEAS-2B and NCI-H157 cell lines were grown in tissue culture. PAR4 expression was evaluated by RT-PCR, RT-qPCR, Western blotting and immunohistochemistry analysis. The results showed that PAR4 mRNA expression was generally decreased in lung adenocarcinoma tissues as compared with matched noncancerous tissues (67.7%) and was associated with poor differentiation (p=0.017) and metastasis (p=0.04). Western blotting and immunohistochemical analysis also showed that PAR4 protein levels were mostly decreased in lung adenocarcinoma tissues (61.3%), and were also associated with poor differentiation (p=0.035) and clinical stage (p=0.027). Moreover, PAR4 expression was decreased in NCI-H157 cells as compared with BEAS-2B cells. In conclusion, PAR4 expression is significantly decreased in lung adenocarcinoma, and down-regulation of PAR4 is associated with a more clinically aggressive phenotype. PAR4 may acts as a tumor suppressor in lung adenocarcinoma.
Research on anti-seismic property of new end plate bolt connections - Wave web girder-column joint
Haotian Jiang,Qingning Li,Lei Yan,Chun Han,Wei Lu,Weishan Jiang 국제구조공학회 2016 Steel and Composite Structures, An International J Vol.22 No.1
The domestic and foreign scholars conducted many studies on mechanical properties of wave web steel beam and high-strength spiral stirrups confined concrete columns. Based on the previous research work, studies were conducted on the anti-seismic property of the end plate bolt connected wave web steel beam and high-strength spiral stirrups confined concrete column nodes applied with pre-tightening force. Four full-size node test models in two groups were designed for low-cycle repeated loading quasi-static test. Through observation of the stress, distortion, failure process and failure mode of node models, analysis was made on its load-carrying capacity, deformation performance and energy dissipation capacity, and the reliability of the new node was verified. The results showed that: under action of the beam-end stiffener, the plastic hinges on the end of wave web steel beam are displaced outward and played its role of energy dissipation capacity. The study results provided reliable theoretical basis for the engineering application of the new types of nodes.
Yong Chun Li,Fan Rong Meng,Chun Yan Zhang,Ning Zhang,Ming Shan Sun,Jiang Ping Ren,Hong Bin Niu,Xiang Wang,Jun Yin 한국식물학회 2012 Journal of Plant Biology Vol.55 No.5
To understand better the mechanisms that regulate the water stress response in wheat, we conducted a comparative analysis of transcript profiles in roots from two wheat genotypes -- drought-tolerant ‘Luohan No. 2’ (LH)and drought-susceptible ‘Chinese Spring’ (CS). In LH roots,3831 transcripts displayed changes in expression of at least two-fold over the well-watered control when drought treatment was applied. Of these, 1593 were induced while 2238 were repressed. Relatively fewer transcripts were drought-responsive in CS; i.e., 1404 transcripts were induced and 1493 were repressed. In common between LH and CS,569 transcripts were induced and 424 transcripts were repressed. In all, 689 transcripts (757 probe sets) identified from LH and 537 transcripts (575 probe sets) from CS were annotated and classified into 10 functional categories. Among those annotated transcripts from LH and CS that had fold-change ratios of at least 4, 92 induced transcripts were common to both, while 23 transcripts were specifically induced in LH. Gene ontology analysis of these induced genes showed highly significant enrichment for multiple terms related to abiotic stimuli, organic acid biosynthesis,and lipid metabolism. This suggests that these gene groups play important roles during the stress response in LH and CS, and might also be responsible for differences in drought tolerance between those genotypes.
DUCK's Science - 아플라톡신 B1 레벨이 오리의 생산성, 소화효소 활성 및 영양소 소화율에 미치는 영향
Han, Xin-Yan,Huang, Qi-Chun,Li, Wei-Fen,Jiang, Sei-Fen,Xu, Zi-Rong 한국오리협회 2010 오리마을 Vol.86 No.-
이번 연구는 아플라톡신 $B_1(AFB_2)$의 독성이 오리의 생산성, 체내 기관, 간 효소 활성도, 외관상 소화율, 영양소 소화율에 미치는 영향을 알아보기 위한 것이다. 1일령의 육용오리 90마리를 3개의 처리군으로 나눠 10마리씩 펜에서 사육하였다. 그룹1은 일반 사료를 급여하였고, 그룹 2와 3은 각각 아플라톡신 $20{\mu}g/kg$, $40{\mu}g/kg$이 포함된 오염된 쌀을 섞어 6주 동안 급여하였다. 그 결과 아플라톡신에 오염된 사료를 섭취한 그룹의 증체량과 사료 섭취량이 감소하였고, 사료요구률(feed to gain ratio), 간, 신장, 췌장의 무게가 높은 것으로 나타났다. 알라닌 아미노전이효소(ALT, serum alanine aminotransferase)와 혈중 아스파라진산 아미노전이효소(AST, aspartate aminotransferase)의 활성도도 아플라톡신 오염 그룹에서 유의성을 보이며 높았다. 아플라톡신 오염 그룹의 오리들의 십이지장에서 채취한 단백질 분해효소, 키모트립신, 트립신(이자액에서 분비되는 단백질 분해효소), 전분 가수 분해효소 등 소화효소의 활성도가 증가한 반면, 조단백질의 외관상 소화율은 유의성있게 낮은 것으로 나타났다. 이는 아플라톡신에 오염된 사료로가 오리의 생산성과 영양소의 외관상 소화율을 감소시키고 십이지장 내용물의 소화효소활성을 변화시킨다고 볼 수 있다.