http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Zhang, Tianrong,Li, Hongying,Zhang, Xiaoman,Zhao, Kun,Yu, Fangbo 부산대학교 중국연구소 2019 Journal of China Studies Vol.22 No.2
This paper uses the visual analysis software-CiteSpace to analyze the 2, 076 related papers of “Key words=new media or new medium” in the CSSCI database from 1998 to 2017. It analyzes the research status and research hotspots of new media in China, and predicts the future development trend of new media, and provides reference for new media research and development in China. This research adopts the scientific metrology research methods, mainly including word frequency analysis, co-occurrence analysis, co-citation analysis and clustering analysis. The specific technical method is using CiteSpace to visualize the Science Mapping of paper datas, drawing up the Science Mapping of Chinese new media research from 1998 to 2017. The Science Mapping intuitively shows the law of paper growth, the source of paper, the contribution of authors and the characteristics of institutional distribution of Chinese new media research. It also analyses the research status, research hotspots and research frontiers of new media in China. There are seven main findings in this paper. First, papers of Chinese new media research increased slowly from 1998 to 2006, and began to flourish in 2007, reaching its peak in 2015. The index curve as a whole showed a straight upward trend, and it will continue to show a thriving development trend in the future. Second, new media research papers are mainly concentrated in news and communication journals, editing & publishing journals and educational comprehensive journals are also published. It has become an important part of the new media research field to study the influence of new media from the perspectives of journalism and communication, library and information science, pedagogy, sociology, art and other disciplines. Third, there are many High-yielding authors on new media research, such as Wang Xiwei, Huang Mingfen, Ji Haiju, Deng Xianglian and Kuang Wenbo. But they are widely distributed and have few cooperative networks. It can form a systematic and highly influential core research. Four, Yu Guoming, Penglan, Chen Lidan, Kuang Wenbo, Guo Qingguang and Ouyang Youquan are High-impact authors and high-cited authors in this field,Yu Guoming is an authoritative expert in new media. Five, the institutions with the highest papers of publications are Communication University of China, Renmin University of China, Fudan University and Jilin University in turn. There is a lack of cooperation and exchanges among institutions, which has not formed a large-scale cooperation network. Six, new media research mainly focuses on media convergence, network public opinion, the Internet, new media art, digital publishing, social media, WeChat, Weibo and other hot spots; media integration is the biggest research hotspot, betweenness centrality=0.62. Last,with the development of media technology, under the background of “Internet +”, “Artificial intelligence”, “Big data”, new media technology innovation, content innovation, government media image reshaping, network comsensus management,and educational information application will become the research frontiers of new media in the future.
Effects of Sulfur Introduction on the UV and the Visible Emission Properties of ZnO
Hongying Guo,Feihong Jiang,Run Yuan,Jun Zhang,Yuanping Sun,Yifan Liu,Yongxin Qiu,Taofei Zhou,Xionghui Zeng,Baoshun Zhang,Ke Xu,Hui Yang 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.4
Hexagonal ZnO particles have been synthesized by using the hydrothermal method with differentsulfur concentrations in the reaction solutions. Structural and optical characterizations have beenconducted to study the effects of the sulfur in the reaction solutions on the properties of thesynthesized ZnO in the ultraviolet (UV) and the visible (VIS) bands. The existance of sulfur inthe solutions can help to introduce compression strain along the a axis and an opposite trend forthe parameter c with strain inside the formed ZnO particles, which means the total strain in thesamples is presented along the c axis. The average size of the ZnO particles, as calculated fromSEM images, shows the same trend as the strain in the samples. The increasing incorporation ofsulfur causes an increase in the VIS luminescence band, which can be attributed to an increase inthe number of sulfur-induced defects.
The Presence of EpCAM-/CD49f+ Cells in Breast Cancer Is Associated with a Poor Clinical Outcome
Feng Ye,Yan Qiu,Li Li,Libo Yang,Fei Cheng,Hongying Zhang,Bing Wei,Zhang Zhang,Linyong Sun,Hong Bu 한국유방암학회 2015 Journal of breast cancer Vol.18 No.3
Purpose: It is well established that breast cancer stem cells (BCSCs) play an essential role in tumor invasion for both local and distant metastasis. The aim of this study was to establish whether BCSCs could act as a prognostic and clinical marker. Methods: We analyzed tumor tissues from 161 breast cancer patients. Dual immunohistochemistry and immunofluorescence were performed on all the slides, and we analyzed the relationship between EpCAM–/CD49f+ tumor cells and key clinical and prognostic factors. Results: Univariate survival analysis using the Kaplan-Meier method showed that the presence of EpCAM–/ CD49f+ tumor cells in breast cancer was significantly associated with shorter disease-free survival (DFS) and overall survival (OS). Multivariate analysis showed that the presence of EpCAM–/ CD49f+ cells was associated with shorter DFS (p=0.010; hazard ratio [HR], 2.070) and OS (p=0.002; HR, 3.235). Tumors containing EpCAM–/CD49f+ cells were also more likely to metastasize after initial surgery (p=0.048). Conclusion: Our study suggests that breast tumors containing EpCAM–/CD49f+ cells are more likely to undergo distant metastasis after initial surgery and are associated with a shorter DFS and OS.
Hongying Zhao,Jun Zhang,Haiyu Shao,Jianwen Liu,Mengran Jin,Jinping Chen,Yazeng Huang 한국분자세포생물학회 2017 Molecules and cells Vol.40 No.3
Transforming growth factor 1 (TGF1)/Smad4 signaling plays a pivotal role in maintenance of the dynamic balance between bone formation and resorption. The microRNA miR-155 has been reported to exert a significant role in the differ-entiation of macrophage and dendritic cells. The goal of this study was to determine whether miR-155 regulates osteoclast differentiation through TGF1/Smad4 signaling. Here, we present that TGF1 elevated miR-155 levels during osteoclast differentiation through the stimulation of M-CSF and RANKL. Additionally, we found that silencing Smad4 attenuated the upregulation of miR-155 induced by TGF1. The results of luciferase reporter experiments and ChIP assays demonstrated that TGF1 promoted the binding of Smad4 to the miR-155 promoter at a site located in 454 bp from the transcription start site in vivo, further verifying that miR-155 is a transcriptional target of the TGF1/Smad4 pathway. Subsequently, TRAP staining and qRT-PCR analysis revealed that silencing Smad4 impaired the TGF1-mediated inhibition on osteoclast differentiation. Finally, we found that miR-155 may target SOCS1 and MITF to suppress osteoclast differentiation. Taken together, we provide the first evidence that TGF1/Smad4 signaling affects osteoclast differentiation by regulation of miR-155 expression and the use of miR-155 as a potential therapeutic target for osteoclast-related diseases shows great promise.