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Evaluation of characteristics on titanium surface treatment for absorption of functional groups.
Jin, Guang-Chun,Park, Rl-Song,Park, Hyeoung-Ho,Seo, Jae-Min,Lee, Sook-Jeong,Lee, Min-Ho Chinese Medical Assn 2010 Chinese medical journal : CMJ Vol.123 No.21
<P>In order to bind or fix bioactive materials directly to the surface of a Ti implant, the prior binding process of functional groups (FGs, -COOH and -OH) to the implant surface is necessary. Conventional binding processes are so high-cost and complex, so it is essential to find a simple and effective procedure for Ti-FG binding.</P>
김춘광 ( Chun Guang Jin ),박기동 ( Ki Dong Park ),강종학 ( Zhong Xue Jiang ) 한국체육사학회 2014 체육사학회지 Vol.19 No.3
본 연구는 생애사 연구방법을 통하여 중국 조선족 체육인의 생애 속에 녹아 있는 사회역사 배경, 조선족 체육문화의 발전 등을 알아보는 것을 목적으로 하였다. 연구결과는 다음과 같다. 첫째, 구술자는 일제 식민지 교육의 체제와 국민당 마적의 박해에는 타민족에 대한 타자화를 극대화하면서 한민족의 정체성을 고취하였고, 토지개혁과 국공전쟁시기에는 민족정체성과 국민정체성의 통합을 이루었다. 급진적 동화시기에는 국가의 정치적 타자로써 조선민족 정체성을 확고히 하였고, 개혁개방이후, 학술활동과 한국과의 체육·스포츠 교류를 통하여 국민정체성과 민족정체성의 통합을 이루었을 뿐만 아니라 세계한민족의 정체성으로 발탈 하였다. 둘째, 구술자는 연변대학 체육학부 초창기 열악한 인프라와 급진적 동화를 강요하는 사회격변기에 수많은 민족 체육·스포츠 인재를 육성하였고, 개혁개방을 맞으면서 중국 체육·스포츠의 발전을 위하여 기여하였고, 학술 활동을 통하여 한국과의 체육·스포츠 교류의 장을 열어놓았다. The purpose of this study is through lifehistory method, understand Chinese Korean sports career in the social and historical background and the development of Korean nationality sports culture. The results of the study are as follows: first, the study participants during the reign of Japanese imperialism and the kuomintang bandits, expanded his nation, and to him who young Korean ethnic identity. Period of land revolution and kuomintang during the civil war, has realized the ethnic identity and national identity. Aggressive assimilation of period, as a national political, established the identity of ethnic koreans. After the reform and opening-up policy, not only realizes the national identity and national identity, and developed into the world of Korean ethnic identity. Second, study participants in yanbian university period, to overcome the bad sports facilities and forced assimilation of the period of social unrest, has turned out numerous national sports talents. After reform and opening up, in the academic field not only contribute to the development of China``s sports, China and South Korea also opens up the beginning of the sports communication.
Lu Xu,Chun-Qing Zhao,De-Jin Xu,Guang-Chun Xu,Xiao-Long Xu,Zhao-Jun Han,Ya-Nan Zhang,Zhong-Yan Gu 한국응용곤충학회 2017 Journal of Asia-Pacific Entomology Vol.20 No.2
Nuclear receptors (NRs), which belong to a superfamily of ligand-dependent transcription factors, play essential roles in gene regulation to affect numerous physiological pathways. Twenty NR genes were identified in Nilaparvata lugens by using genomic, transcriptomic and GenBank databases, and categorized into NR0-NR6 subfamilies according to standard nomenclature. Among them, three NR geneswere classed into NR0, four into NR1, eight into NR2, one into NR3, one into NR4, two into NR5, and one into NR6, respectively. A phylogenetic tree of NRs from N. lugens and other representative species was constructed, which provided evolutionary insight into genetic distance. In order to investigate the NRs,whichwere induced by sulfoxaflor, time- and tissue-specific expression profiles of NR genes in fourth-instar nymphs were determined following LD50 sulfoxaflor treatment (0.28 ng/insect) and compared with control samples. NlUSP, NlE78, NlTLL, NlHR51, NlHR83, NlPNR and NlFTZ-F1 were highly expressed following 12–48 h of sulfoxaflor treatment. NlHR39 and NlDSF transcripts were detected in the head and the thorax, respectively. High-level and constitutive expression of NlHR3, NlTLL, NlHR83, NlFTZF1 and NlHR4 were found in the abdomen. Feeding of dsRNAs reduced the expression of NlHR3, NlUSP, NlTLL, NlHR83, NlPNR, NlFTZ-F1 and NlHR4 (35.48–49.77%) and caused significant nymph mortality (69.21–81.45%). These NRs, considered as insecticide targets, may play important function in sulfoxaflor detoxification.
An Anatomic Study of the Bifid Zygomaticus Major Muscle
Hu, Kyung-Seok,Jin, Guang-Chun,Youn, Kwan-Hyun,Kwak, Hyun-Ho,Koh, Ki-Seok,Fontaine, Christian,Kim, Hee-Jin Lippincott Williams Wilkins, Inc. 2008 JOURNAL OF CRANIOFACIAL SURGERY - Vol.19 No.2
The dramatic changes in facial expression are most remarkable in the perioral region. Among the perioral musculatures, the zygomaticus major (ZMj) muscle plays an important role in the facial expression. The aim of this study was to determine the anatomic patterns of the bifid ZMj through a topographic examination at the perioral region. Through 70 dissections of the hemifaces, the insertion area of the ZMj was observed in 70 embalmed cadavers. The bifid ZMj was observed in 28 cases (40%). In most cases of the bifid ZMj, the superior muscle fibers were larger and wider than the inferior fibers. Bilateral bifid ZMj was found in 71.4% of the bifid ZMj specimens. The arrangement and insertion patterns of the ZMj in this study are expected to provide critical information for the surgical planning and procedure for facial reanimation surgery.
Clinical Analysis of Stages of HBV Infection in 100 Cases of Lymphoma
Tang, Yang,Sun, Li-Guang,Liu, Chun-Shui,Li, Yu-Ying,Jin, Chun-Hui,Li, Dan,Bai, Ou Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.2
Objective: HBV infection may cause damage to the immune system and induce lymphomas as a result. Some scholars have indicated that HBsAg(+) reflecting HBV infection may have a relationship with lymphoma development. This study was designed to find out the specific stage of HBV infection which may be related to lymphoma. Methods: HBV serum markers, including HBsAg, HBsAb, HBeAg, HBeAb, HBcAb were tested among 100 lymphoma patients and 100 other patients who were diagnosed with non-lymphoma diseases in the First Hospital of Jilin University from 2010.1.1 to 2012.12.31. Three subgroups were established depending on different combinations of HBV serum markers. Subgroup 1 was HBsAg(+) representing the early stage of HBV infection. Subgroup 2 was HbsAb(+) representing convalescence and Subgroup 3 was "HbsAg and HbsAb negative combined with other positive markers" representing the intermediate stage of HBV infection. Chi square tests were used to compare the rates of three subgroups in lymphoma and control groups. Results: The rates of Subgroup were 13% and 5% respectively, an association between HBsAg and lymphoma being found (P<0.05). There was no difference between rate of Subgroup 2 of lymphoma group (15%) and that of control group (16%). In lymphoma group and control group, the rate of Subgroup 3 was different (12% vs 4%). This evidence was not specific to T cell lymphoma, B cell lymphoma or Hodgkin's lymphoma. Conclusions: Among serum markers of HBV, the combination of serum markers representing the early stage and intermediate stage of HBV infection have a relationship with lymphoma. Convalescence from HBV infection appears to have no relationship with lymphoma.
Comparison of Serum Tumor Associated Material (TAM) with Conventional Biomarkers in Cancer Patients
Shu, Jian,Li, Cheng-Guang,Liu, Yang-Chen,Yan, Xiao-Chun,Xu, Xu,Huang, Xin-En,Cao, Jie,Li, Ying,Lu, Yan-Yan,Wu, Xue-Yan,Liu, Jin,Xiang, Jin Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.5
Objective: To compare expression level of serum tumor associated materials (TAM) with several conventional serum tumor biomarkers, eg., carcinoembryonic antigen (CEA), carbohydrate antigen19-9 (CA19-9), carbohydrate antigen 15-3 (CA15-3), alpha-fetoprotein(AFP), in selected solid tumors. Methods: Patients diagnosed histologically or cytologically with liver, breast, esophageal, gastric, colorectal or pancreatic cancers were enrolled into this study. After diagnosis, the level of TAM was determined by chemical colorimetry, and levels of conventional tumor markers was measured by chemiluminescence methods. Results: A total of 560 patients were enrolled into this study. No statistically significant difference was detected in TAM and the above mentioned tumor biomarkers in terms of their positivity and negativity ( P>0. 05). Conclusions: Detection of TAM in liver, breast, esophageal, gastric, colorectal, and pancreatic cancer patients demonstrates a good accordance with CEA, CA199, CA153, and AFP, thus suggesting that further study is warranted to verify whether TAM could be a surrogate for these conventional biomarkers.
Wu, Dong-Ming,Zhang, Peng,Xu, Guang-Chao,Tong, Ai-Ping,Zhou, Cong,Lang, Jin-Yi,Wang, Chun-Ting Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.4
Pemetrexed is an antifolate agent which has been used for treating malignant pleural mesothelioma and non small lung cancer in the clinic as a chemotherapeutic agent. In this study, pemetrexed inhibited cell growth and induced G1 phase arrest in the A549 cell line. To explore the molecular mechanisms of pemetrexed involved in cell growth, we used a two-dimensional polyacrylamide gel electrophoresis (2-DE) proteomics approach to analyze proteins changed in A549 cells treated with pemetrexed. As a result, twenty differentially expressed proteins were identified by ESI-Q-TOF MS/MS analysis in A549 cells incubated with pemetrexed compared with non-treated A549 cells. Three key proteins (GAPDH, HSPB1 and EIF4E) changed in pemetrexed treated A549 cells were validated by Western blotting. Accumulation of GAPDH and decrease of HSPB1 and EIF4E which induce apoptosis through inhibiting phosphorylation of Akt were noted. Expression of p-Akt in A549 cells treated with pemetrexed was reduced. Thus, pemetrexed induced apoptosis in A549 cells through inhibiting the Akt pathway.