Synthesis and Characterization of Novel Sulfonated Poly(arylene ether sulfone) Copolymer Containing Chalcone Moiety in Main Chain for Proton Exchange Membrane Fuel Cells

Xiang Dan Li,Zhong Zhenxin,김진기,이명훈 한국고분자학회 2004 한국고분자학회 학술대회 연구논문 초록집 Vol.29 No.2

Liquid Crystal Photoalignment by Soluble Photosensitive Polyimide with Methylene Cinnamate Side Units

Xiang Dan Li,Zhen Xin Zhong,Guang Jin,Seung Hee Lee,Myong Hoon Lee 한국고분자학회 2006 Macromolecular Research Vol.14 No.3

Poster Presentation : Functional Roles of EPHA2 in Cholangiocarcinoma (초)

Xiang Dan Cui,Mi Jin Lee,Gyung Ran Yu,In Hee Kim,Dae Ghon Kim 대한간학회 2009 Clinical and Molecular Hepatology(대한간학회지) Vol.15 No.4(S)

간세포암에서 혈청 마커로서 EFNA1 단백질의 잠재성

Xiang Dan Cui,Mi Jin Lee,Gyung Ran Yu,In Hee Kim,Dae Ghon Kim 대한간학회 2008 Clinical and Molecular Hepatology(대한간학회지) Vol.14 No.3(S)

중국 조선족의 민족 정체성과 한국 드라마의 수용

구향미 ( Xiang Mei Ju ),최향단 ( Cui Xiang Dan ) 조선대학교 사회과학연구원 2012 서석사회과학논총 Vol.5 No.1

본 연구는 중국조선족 수용자들을 대상으로 한 심층인터뷰 분석자료를 토대로, 한국드라마 수용과정에서 나타나는 중국조선족의 민족 정체성을 분석하고자 했다. 연구결과, 첫째, 한국드라마 수용 동기에서 중국 조선족 수용자들의 민족 정체성이 다양하게 나타났다. 한국드라마 수용 동기나 선호이유에 있어서는 응답자의 민족 정체성 관련 여부에 따라서 세 부류로 나뉘어졌다. 첫 번째 부류에 속해 있는 응답자들은 민족성이 강하며 한국드라마를 수용하는 동기를 민족적인 요소와 스스로 연결시켰다. 두 번째 부류의 응답자들은 한국드라마 수용 동기를 민족과 연결 짓지 않았지만 친근감을 느끼게 되어 민족 정체성의 표현으로 판단되었다. 세 번째 부류는 민족 정체성보다 한국드라마 자체의 매력 때문에 수용하는 경우이다. 이러한 구분은 또한 연령층의 차이에 따라 다르게 나타났다. 나이가 많을수록 민족 정체성이 강한 수용동기를 나타내고 나이가 어릴수록 민족적인 요소보다도 한국드라마 자체에 매력을 느끼는 경향을 알아 볼 수 있었다. 둘째, 한국드라마 수용 과정에서 중국 조선족 수용자들은 자신의 민족 정체성을 발견하고 고민하며 강화하는 과정을 거치면서 민족 정체성이 형성되기도 한다. 셋째, 중국 조선족 수용자의 민족 정체성은 한국드라마 수용동기에 영향을 미치며 모순적, 우월적, 배타적, 자아 존중적, 탈조선(모국)적 등 5가지 특성을 보여준다. This paper takes the Chinese Korean Ethnic Minority as the research object and analyzes the ethnic identity that the Chinese Korean Ethnic Minority show in the process of watching Korean dramas according to a deep interview. Here are the results of my research as follows. First of all, in terms of the motives of watching Koreandramas, the Chinese Korean Ethnic Minority`sethnicidentitypresents variously. considering the motives and preference of watching Korean dramas, the characteristics of ethnic identity can be divided into three types. The respondents who belong to the first type show a strong sense of ethnic identity and are associated their motives of watching Korean dramas with ethnic factors involuntarily. Although the respondents who belong to the second type don`t attribute the motives of watching Korean dramas to ethnic factors, their affinity with Korean dramas also can be judged as a manifestation of ethnic identity. The respondents who belong to the third type watch Korean dramas due to being attracted by the charm of Korean dramas rather than ethnic identity. What`s interesting, the intensity of ethnic identity reflected from the motives of watching Korean dramas difference according to the various age groups. It obviously shows the tendency that the senior show a stronger sense of ethnic identity while the junior are attracted by the charm of Korean dramas regardless of ethnic restrictions. secondly, in the process of watching Korean dramas, the Chinese Korean Ethnic Minority will find, contemplate and strengthen their sense of ethnic identity by themselves. the last, affected by the motives of watching Korean dramas, the Chinese Korean Ethnic Minority’s ethnic identity has several characteristics such as contradiction, superiority, exclusiveness, self-respect and so on.

한국과 중국 조선족 간호대학생의 공감능력, 긍정심리자본 및 대인관계유능성

신향단(Xiang-Dan Shen),이지원(Ji-Won Lee) 한국산학기술학회 2021 한국산학기술학회논문지 Vol.22 No.3

본 연구는 중국 조선족 간호대학생의 공감능력, 긍정심리자본 및 대인관계 유능성을 한국 간호대학생과 비교분석하기 위함이다. 2019년 11월 01부터 12월 30일까지 한국 B 시 소재 1개 대학교와 중국 Y 시 소재 1개 대학교에 재학 중인 조선족 대학생 160명 대상으로 구조화된 설문지를 이용한 서술적 조사연구이다. 수집된 자료는 SPSS 23.0 통계 프로그램을 이용하여 빈도와 백분율, 평균과 표준편차, independent t-test, pearson’s correlation coefficient로 분석하였다. 연구 결과는 다음과 같다. 한국 간호대학생의 공감능력, 긍정심리자본 및 대인관계 유능성 점수는 중국조선족 간호대학생보다 높았다. 한국 간호대학생의 공감능력은 긍정심리자본, 대인관계 유능성과 유의한 상관관계가 없었다. 중국 조선족 간호대학생의 공감능력은 긍정심리자본, 대인관계 유능성과 중등 정도의 유의한 양의 상관관계가 있었다. 공감능력이 높을수록 긍정심리자본이 높고 대인관계 유능성이 높았다. 이상의 연구 결과 중국 조선족 간호대학생의 공감능력, 긍정심리자본 및 대인관계를 높이기 위해 중국 조선족 간호대학생의 특성에 맞는 공감능력 향상, 긍정심리자본 강화, 대인관계 유능성 촉진 등 여러 가지 교육 프로그램 개발과 효과검증이 필요하다. Comparative analysis of the nursing students" empathy ability, positive psychological capital, and interpersonal competence of Korea and Korean-Chinese in China was conducted. Data were collected from160 survey questionnaires from Nov.1 to Dec 30, 2019, from Korea and China. The data use frequency and percentage, mean, independent t-test, and Pearson"s correlation coefficient were analyzed. The results showed that Korean nursing students" empathy, positive psychological capital, and interpersonal competence scores were higher than Korean-Chinese nursing students in China. The empathy ability of Korean nursing students had no significant correlation with positive psychological capital and interpersonal competence. The empathy ability of the nursing students of Korean-Chinese had a significant positive correlation with the positive psychological capital and interpersonal competence. The higher the empathy ability, the higher the positive psychological capital and higher the interpersonal competence. Several intervention programs will be needed to increase the empathy ability, positive psychological capital, and interpersonal relationship of Korean-Chinese nursing students.

Liquid Crystal Photoalignment by Soluble Photosensitive Polyimide with Methylene Cinnamate Side Units

Li Xiang-Dan,Zhong Zhen-Xin,Jin Guang,Lee Seung-Hee,Lee Myong-Hoon The Polymer Society of Korea 2006 Macromolecular Research Vol.14 No.3

EFNA1 ligand and its receptor EphA2: potential biomarkers for hepatocellular carcinoma

Cui, Xiang-Dan,Lee, Mi-Jin,Yu, Goung-Ran,Kim, In-Hee,Yu, Hee-Chul,Song, Eun-Young,Kim, Dae-Ghon Wiley Subscription Services, Inc., A Wiley Company 2010 International journal of cancer: Journal internati Vol.126 No.4

<P>Novel biomarkers are needed for early detection and progression evaluation of hepatocellular carcinoma (HCC). The purpose of this study was to identify useful biomolecular markers for HCC. The 26 genes that encode membrane or secretory proteins were identified from cDNA microarray data. We further examined the expression of EFNA1 and its receptor EphA2 and determined their biological implications during the development and progression of HCC. The EFNA1 mRNA was overexpressed in most HCCs as compared with its expression in corresponding nontumor tissues (36 out of 40 cases, 90%), but EphA2 expression was noted in only half of the HCC tissues (20 of 40 cases, 50%). In most of the hepatoma cell lines, the EFNA1 protein expression was positively associated with alpha-fetoprotien (AFP) expression but inversely associated with EphA2 expression. Furthermore, EFNA1 levels were detectable in the supernatant of the cultured hepatoma cells and in the serum of patients with HCC. In contrast, EphA2 expression was prominent in highly invasive hepatoma cells, and its overexpression was significantly correlated with decreased differentiation (r = 0.0248, p < 0.010) and poor survival (p = 0.0453) for HCC patients. EFNA1 and EphA2 may be useful serum markers for the detection of HCC development and progression, respectively.</P>

Facile modifications of polyimide via chloromethylation: II. Synthesis and characterization of thermocurable transparent polyimide having methylene acrylate side groups

Li, Xiang-Dan,Zhong, Zhen-Xin,Han, Sang-Hoon,Lee, Seung Hee,Lee, Myong-Hoon John Wiley Sons, Ltd. 2005 Polymer international Vol.54 No.2

<P>From chloromethylated polyimide, a useful starting material for modification of aromatic polyimides, a thermocurable transparent polyimide having acrylate side groups was prepared. In the presence of 1,8-diazabicyclo[5,4,0]undec-7-ene, chloromethylated polyimide was esterified with acrylic acid to synthesize poly(imide methylene acrylate). The polymer was soluble in organic solvent, which makes it possible to prepare a planar film by spin coating. The polymer film became insoluble after thermal treatment at 230 °C for 30 min. Optical transparency of the film at 400 nm (for 1 µm thickness) was higher than 98 % and not affected by further heating at 230 °C for 250 min. Adhesion properties measured by the ASTM D3359-B method ranged from 4B to 5B. Preliminary results of planarization testing showed a high degree of planarization (DOP) value (>0.53). These properties demonstrate that poly(imide methylene acrylate) could be utilized as a thermocurable transparent material in fabricating display devices such as TFT-LCD. Copyright © 2004 Society of Chemical Industry</P>

Traditional medicine for post-viral olfactory dysfunction: A systematic review

Zou, Xiang-yun,Liu, Xue-han,Lu, Chun-li,Jin, Xin-yan,He, Bai-xiang,Liao, Yi-lei,Liu, Ting,Dai, Yi-dan,Qi, Shi-hao,Sheng, Zhu-jun,Yan, Zhan-feng,Yang, Guo-Yan,Stub, Trine,Liu Jian-Ping 한국한의학연구원 2024 Integrative Medicine Research Vol.13 No.2

Background: Post-viral olfactory dysfunction (PVOD) is the common symptoms of long COVID, lacking of effective treatments. Traditional Chinese medicine (TCM) is claimed to be effective in treating olfactory dysfunction, but the evidence has not yet been critically appraised. We conducted a systematic review to evaluate the effectiveness and safety of TCM for PVOD. Methods: We searched eight databases to identified clinical controlled studies about TCM for PVOD. The Cochrane risk of bias tools and GRADE were used to evaluate the quality of evidence. Risk ratio (RR), mean differences (MD), and 95 % confidence interval (CI), were used for effect estimation and RevMan 5.4.1 was used for data analysis. Results: Six randomized controlled trials (RCTs) (545 participants), two non-randomized controlled trials (non-RCTs) (112 participants), and one retrospective cohort study (30 participants) were included. The overall quality of included studies was low. Acupuncture (n = 8) and acupoint injection (n = 3) were the mainly used TCM therapies. Five RCTs showed a better effect in TCM group. Four trials used acupuncture, and three trials used acupoint injection. The results of two non-RCTs and one cohort study were not statistically significant. Two trials reported mild to moderate adverse events (pain and brief syncope caused by acupuncture or acupoint injection). Conclusions: Limited evidence focus on acupuncture and acupoint injection for PVOD and suggests that acupuncture and acupoint injection may be effective in improving PVOD. More well-designed trials should focus on acupuncture to confirm the benefit. Protocol registration: The protocol of this review was registered at PROSPERO: CRD42022366776.