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Ke Jian,Chung-Cheng Chen,Yen-Ting Chen,Gui-hong Lin 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.6
This study combines the feedback linearization method and our recent researches of Chen electrical unifying approach to propose a global tracking controller design for nonlinear uncertain diff erential-diff erence systems with time delay. One example, which cannot be solved by the fi rst paper on the almost disturbance decoupling problem, is presented in this study to show the essential points that the tracking performance is easily solved by the proposed approach. The study applies Chen electrical unifying approach to take the place of using the disorganized virtual ground technique and the Kirchhoff ’s law for those traditional approaches. In order to show its signifi cant practicability, the study has fi rstly designed an easy-to-implement adder and a time-delay circuit, and an unstable time-delay operational amplifi er control system based on the Chen electrical unifying approach, and then has proposed a stable controller.
Yu-Li Chen,Kung-Liahng Wang,Min-Yu Chen,Mu-Hsien Yu,Chen-Hsuan Wu,Yu-Min Ke,Yi-Jen Chen,Yin-Yi Chang,Keng-Fu Hsu,Ming-Shyen Yen 대한부인종양학회 2013 Journal of Gynecologic Oncology Vol.24 No.1
Objective: To evaluate the clinical outcome and parameters related to coexisting endometrial carcinoma in women with tissuediagnosed endometrial hyperplasia. Methods: Between January 1991 and December 2009, three hundred and eighty-six patients with the presumptive diagnosis of endometrial hyperplasia were retrieved. Among these, one hundred and twenty-five patients were identified as having coexisting endometrial carcinoma in hysterectomy specimens. The three hundred and eighty-six patients were divided into two groups: the hyperplasia-benign group (261 cases) and the hyperplasia-malignant group (125 cases). Several clinical parameters including age, menopausal status, history of abnormal uterine bleeding, obstetrical history, medical history of diabetes and hypertension, BMI, and preoperative pathologic results were investigated. Results: Age ≥53 (odds ratio [OR], 2.40; 95% confidence interval [CI], 1.26 to 4.57), menopausal status (OR, 2.07; 95% CI, 1.14to 3.76), diabetes history (OR, 7.33; 95% CI, 2.79 to 19.26), abnormal uterine bleeding (OR, 3.99; 95% CI, 1.22 to 13.02), atypical endometrial hyperplasia (OR, 7.38; 95% CI, 4.03 to 13.49), and body mass index ≥27 (OR, 3.24; 95% CI, 1.76 to 5.97) were independent risk factors for prediction of endometrial hyperplasia coexisting with endometrial carcinoma. The diagnostic efficacy of atypical endometrial hyperplasia to predict the endometrial hyperplasia coexisting with endometrial carcinoma was better than or similar to those of other independent factors and combinations of these factors. Conclusion: Coexisting malignancy should be considered when examining endometrial hyperplasia patients with the related risk factors, especially atypical endometrial hyperplasia.
Chen, Ke,Chen, Youhu,Deng, Qihuang,Jeong, Seol-Ha,Jang, Tae-Sik,Du, Shiyu,Kim, Hyoun-Ee,Huang, Qing,Han, Cheol-Min Elsevier 2018 Materials letters Vol.229 No.-
<P><B>Abstract</B></P> <P>Herein, strong and biocompatible Ti<SUB>3</SUB>C<SUB>2</SUB>T<SUB>z</SUB>-enhanced poly(lactic acid) (PLA) nanocomposite membranes were prepared. The interface of the Ti<SUB>3</SUB>C<SUB>2</SUB>T<SUB>z</SUB> nanosheets with the hydrophobic PLA matrix was mediated using n-octyltriethoxysilane (OTES). The optimized ultimate tensile strength of the OTES-Ti<SUB>3</SUB>C<SUB>2</SUB>T<SUB>z</SUB>/PLA nanocomposite membrane was 72 MPa (33% higher than that of a pure PLA membrane). The addition of Ti<SUB>3</SUB>C<SUB>2</SUB>T<SUB>z</SUB> enhanced the biological properties of the membrane, including the <I>in vitro</I> adhesion, proliferation, and osteogenic differentiation of MC3T3-E1 mouse preosteoblasts.</P> <P><B>Highlights</B></P> <P> <UL> <LI> First effort to introduce MXene into polymer matrix for tissue engineering. </LI> <LI> A robust strategy developed to prepare Ti<SUB>3</SUB>C<SUB>2</SUB>T<SUB>z</SUB>-enhanced PLA nanocomposite. </LI> <LI> Successful interfacial mediation between hydrophilic Ti<SUB>3</SUB>C<SUB>2</SUB>T<SUB>z</SUB> nanosheets and hydrophobic PLA. </LI> <LI> Intriguing future of this strong and biocompatible nanocomposite for GBR membrane. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Chen, Nian-Ke,Li, Xian-Bin,Bang, Junhyeok,Wang, Xue-Peng,Han, Dong,West, Damien,Zhang, Shangbai,Sun, Hong-Bo American Physical Society 2018 Physical review letters Vol.120 No.18
<P>Time-dependent density-functional theory molecular dynamics reveals an unexpected effect of optical excitation in the experimentally observed rhombohedral-to-cubic transition of GeTe. The excitation induces coherent forces along [001], which may be attributed to the unique energy landscape of Peierls-distorted solids. The forces drive the A(lg) optical phonon mode in which Ge and Te move out of phase. Upon damping of the A(1)g mode, phase transition takes place, which involves no atomic diffusion, defect formation, or the nucleation and growth of the cubic phase.</P>
Modernizing Chinese Mythological IP: A Defamiliarization Analysis of "Nezha: I am the Destiny"
Ke Chen,조승우 사단법인 한국융합기술연구학회 2024 아시아태평양융합연구교류논문지 Vol.10 No.1
The connection between Chinese animation and mythology has existed since the beginning of its development. Mythological thinking is free and has a strong national color. This attribute provides sustained and long-term content productivity for Chinese animation creation. However, the limitations of traditional texts and the solidification of character images tend to deprive films of freshness. Excessive adaptation and innovation also make films deviate from the original cultural intention. Therefore, how to coordinate the relationship between tradition and innovation and maximize the advantages of both has become a key issue to be considered in the process of mythological IP adaptation. In the twentieth century, Russian formalism put forward the theory of "Defamiliarization" (отстранение), which was used to break down the conceptual understanding of literature. It requires things to constantly appear in a new perspective. Break the inherent understanding of art and pursue defamiliarization in the process of artistic expression. This study used the literature research method and comparative research method to gain a deeper understanding of the theoretical connotation of defamiliarization, combining the extension of defamiliarization theory by other scholars and the analysis of the current practice of defamiliarization theory in the animated film industry. The results showed that defamiliarization theory can be well extended to the field of animation film to balance the problem of the ration between tradition and innovation. With the help of the case analysis method, it showed that Chinese animated films can use the defamiliarization theory to express the contemporary characteristics of traditional texts from three aspects: artistic language, character image, and narrative theme. It hopes to provide some reference for the IP creation of animated films adapted from Chinese myths.
Ke-quan Chen,Zhen Wang,Wen Xiao,Alie Zhang,Hanxiao Ying,Ping-Kai Ouyang 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.10
Actinobacillus succinogenes NJ113 is capable of microaerobic fermentation, which offers the possibility of a novel type of pyruvic acid production. A dissolved oxygen environment with stirring at 300 rpm was a key factor in the fermentative production of a maximum concentration of pyruvic acid. Potassium carbonate (K2CO3) was found to have a role in promoting pyruvic acid production, influencing the concentration of pyruvic acid and production of the by-product succinic acid. The final titer of pyruvic acid production was 36.8±0.1 g L−1 with an overall yield of 0.639±0.056 g g−1 glucose and 3.12±0.03mmol g−1 dry cell weight h−1. Significance and impact of the study: This study is the first to illustrate the advantage of using Actinobacillus succinogenes NJ113 with no genetic modification under microaerobic conditions for the production of pyruvic acid.
Inflammatory Endotypes and Tissue Remodeling Features in Antrochoanal Polyps
Chen Cai-Ling,Wang Yu-Ting,Yao Yin,Pan Li,Guo Bei,Zhu Ke-Zhang,Ma Jin,Wang Nan,Li Xue-Li,Deng Yi-Ke,Liu Zheng 대한천식알레르기학회 2021 Allergy, Asthma & Immunology Research Vol.13 No.6
Purpose: The pathogenic mechanisms of antrochoanal polyps (ACPs) remain largely unknown. This study aimed to characterize inflammatory patterns and tissue remodeling features in ACPs. Methods: Inflammatory cell infiltration and tissue edema severity as well as fibrin deposition in ACPs and bilateral eosinophilic and noneosinophilic nasal polyps (NPs) were studied with immunohistochemical and immunofluorescence staining. Cytokine levels in sinonasal tissues were detected with the Bio-Plex assay. The expression of coagulation and fibrinolytic markers was measured using reverse-transcription polymerase chain reaction and enzyme-linked immunosorbent assays. Results: Compared to control tissues and bilateral eosinophilic and noneosinophilic NPs, ACPs had higher levels of neutrophil infiltration and expression of myeloperoxidase (MPO), interleukin (IL)-8 and interferon (IFN)-γ. In total, 94.4% of ACPs demonstrated an eosinophil cationic protein/MPO ratio of < 1, compared to 79.0% of noneosinophilic and 26% of eosinophilic NPs. Principle component and multiple correspondence analyses revealed a neutrophilic and type 1 inflammation pattern in ACPs. Compared to control tissues, edema scores and fibrin deposition were increased, whereas d-dimer and tissue plasminogen activator (tPA) levels were decreased in ACPs and bilateral NPs, with more prominent changes in ACPs even than in eosinophilic NPs. The tPA levels were negatively correlated with IFN-γ, IL-8, and MPO levels in ACPs. Neutrophils were the major cellular source of IFN-γ in ACPs, and the number of IFN-γ+ neutrophils was elevated in ACPs than in control tissues and bilateral eosinophilic and noneosinophilic NPs. Conclusions: ACPs are characterized by the neutrophilic and type 1 inflammation endotype. Neutrophil-derived IFN-γ is associated with reduced tPA production in ACPs.