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RISS 인기검색어
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- 저자 : Guoxin Xu (검색결과 5 건)
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Zhang, Guoxin,Ha, Seon-Ah,Kim, Hyun K.,Yoo, Jinah,Kim, Sanghee,Lee, Youn S.,Hur, Soo Y.,Kim, Yong W.,Kim, Tae E.,Park, Yong G.,Wang, Jing,Yang, Yang,Xu, Zekuan,Song, Eun Y.,Huang, Zuhu,Jirun, Peng,Zho IOS Press 2012 Disease markers Vol.32 No.4
<P>Hepatocellular carcinoma (HCC) is one of the most frequent malignant tumors in the world. The only serological marker widely used for the diagnosis of HCC is alpha-fetoprotein (AFP). Despite that AFP is widely used for the diagnosis of HCC, it has a limit as a serological marker due to its low sensitivity and specificity. The human cervical cancer proto-oncogene 1 (HCCR-1) was previously reported as a new biomarker for HCC. To further evaluate the HCCR-1 as a biomarker for HCC, we conducted the prospective cohort study. We evaluated the significance of simultaneous measurement of 2 tumor markers in the diagnosis of HCC in China, Japan and Korea. Two markers for HCC, AFP and HCCR-1, were measured in the sera obtained from 1,338 patients at the time of initial diagnosis of HCC. Of the 1338 HCC patients, 616 (46%) and 686 (51.3%) were sero-positive for AFP and HCCR-1, respectively. The positive rate for HCC was increased up to 74.1% in combined use of AFP and HCCR-1. Many cases (54%) for AFP-negative HCC were positive for HCCR-1 and vice versa. More importantly, the diagnostic rate for small HCC (< 2 cm) was significantly improved in the combined analysis of AFP and HCCR-1 to 56.9% although it was only 40.1% and 23.4% in the single analysis of HCCR-1 and AFP, respectively. Our result suggests that the HCCR-1 could be an useful biomarker for HCC while the diagnostic rate could be significantly improved in the combined use of HCCR-1 and AFP.</P>
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Qiuliang Wang,Guoxin Xu,Yinming Dai,Baozhi Zhao,Luguang Yan,Keeman Kim IEEE 2009 IEEE transactions on applied superconductivity Vol.19 No.3
<P>An optimization design method of short-length actively shielded and open structure superconducting MRI magnets is suggested in the paper. Firstly, the section of the solenoid coil is simplified as a current loop with zero section to solve a linear programming problem. The position coordinates in the radius and axial, and current for the loop can be calculated by the linear programming method. Then, the cross-section of the coil is optimized with a genetic algorithm to get appropriate section size. The method of linear programming, especially combining with genetic algorithm, reduces optimizing variables, which makes the design of a magnet feasible. Based on the method, a full open MRI superconducting magnet is designed with maximum radii of 0.8 m and 1.2 m. In the paper, the detailed optimization technologies are presented.</P>
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Jirun, Peng,Zhang, Guoxin,Kim, Hyun Kee,Ha, Seon-Ah,Zhongtian, Jin,Shishi, Qiao,Zhuqingqing, Cui,Lei, Gong,Yoo, Jinah,Kim, Sanghee,Park, Yong Gyu,Wang, Jing,Yang, Yang,Xu, Zekuan,Huang, Zuhu,Lee, Yun IOS Press 2011 Disease markers Vol.30 No.6
<P>Serum alpha fetoprotein (AFP) is the most widely used tumor marker in detecting patients with hepatocellular carcinoma (HCC). However, it has been indicated that HCCR-1 (human cervical cancer oncogene 1) might be supplementary to AFP in the detection. We conducted a prospective study in 120 normal and 524 liver disease patients to evaluate the significance of simultaneous measurement of 2 tumor markers (AFP and HCCR-1) in the diagnosis of HCC through the cohort study in Korea and China. We also performed immunohistochemical studies using 25 normal subjects (N), 32 liver cirrhosis (LC) and 116 HCC tissues. The sensitivities of AFP (20 ng/mL) and HCCR-1 (10 ng/mL) in HCC were 55.8% (164/294) and 44.2% (130/294), respectively. When AFP was combined with HCCR-1, sensitivities increased to 4.2% (N), 12.7% (chronic hepatitis; CH), 50.0% (LC), and 77.2% (HCC), respectively. Although there was no significant difference in the diagnostic rate for HCC between AFP and HCCR-1, many cases for AFP-negative HCC were positive for HCCR-1 and vice versa. Moreover, the combined use of AFP and HCCR-1 improved the diagnostic rate to 70.8% in small HCC (< 2 cm) and 81.6% in large HCC (≥ 2 cm), respectively. AFP and HCCR-1 are independent markers. Our result suggests that the HCCR-1 could be an useful biomarker for HCC while the diagnostic rate could be significantly improved in the combined use of HCCR-1 and AFP.</P>
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SEEING IS REMEMBERING? THE ROLE OF ATTENTION IN AUDIENCE MEMORY FOR PRODUCT PLACEMENT
Sigen Song,Bin Xuan,Guoxin Ma,Wei Xu 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
Similar to traditional advertising, product placement plays important roles in consumer purchasing behaviors through the AIDA model (e.g., Ghirvu,2013) of which attention is the very first stage. While there is an established literature on brand recall and recognition as methods of product placement evaluation, the role of attention, which is an important topic in traditional advertising research, has been sparsely studied in the context of product placement. This paper proposes that attention is a psychological state which affects information selection and processing. Captured attention reflects audience’s selective attention to editorial content including placements, while sustained attention (or processing) requires allocated attentional capacity to process information captured from the placement. When available attentional capacity is insufficient, product placements cannot be adequately processed to form accurate memory (Lee & Faber, 2007). Accordingly, this paper aims to investigate the pathway of ‘placement characteristics –audience attention – audience memory’ in order to reinterpret the relationship between placement characteristics and audience memory through the lens of attention. We do this by answering two pertinent questions: 1) how placement characteristics (e.g., exposure duration, frequency, location and size) influence captured attention; and, 2) how captured attention and sustained attention affect audience memory. To do so, we draw on psychology literature, especially the feature integration theory (Treisman & Gelade, 1980), in establishing the theoretical connections between placement features, captured attention, sustained attention and memory. By a theatre methodology, we found sustained attention mediated between captured attention and audience memory, while more prominent placement characteristics had stronger relationships with captured attention. Furthermore, audience’s levels of involvement in the media content and familiarity with the placed brand moderated the relationship between sustained attention and audience memory.
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장길춘(Zhang Jichun),범국신(Fan Guoxin),주옥영(Zhu Yuying),서균봉(Xu Junfeng),문필은(Wen Biyin) 한국항만경제학회 1994 韓國港灣經濟學會誌 Vol.10 No.-
With research and investigation, the article illuminates the effect on the port environment resulting from the life sewage, oil sewage, gas. noise. and oil fog displaced by vessels, and further puts forward approriate strategies and measures to protect the port environment.
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