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Yue Bing-yan,Cheng Qi-ming,Cheng Yin-man,Lai Yu-sheng 대한전기학회 2023 Journal of Electrical Engineering & Technology Vol.18 No.4
To ensure the robustness of the fractional frequency transmission system (FFTS), the ability of Y-type modular multilevel converters (Y-MMC) to operate under unbalanced operating conditions is essential. The Y-MMC controlled by traditional linear strategy has low robustness, high harmonics, low accuracy, and other disadvantages. In order to solve those problems, a passive sliding mode control strategy is proposed for Y-MMC in this paper. First, design a passivity-based controller based on the Euler–Lagrange (EL) model of Y-MMC, prove its stability using Lyapunov's theorem, combine the passivity-based controller with the sliding mode controller to derive a mathematical expression for the passive sliding mode control so that can enhance the robustness. Then, the modules of control target design, reactive power distribution, and modulation degree allocation are described. Finally, extensive MATLAB/Simulink platform simulation and RT-LAB platform experiments were conducted in different scenarios to verify the feasibility of the proposed method. This strategy improves the power quality indices under non-ideal conditions. It has better advantages than the traditional PI controller and passivity-based control in the accuracy and robustness of power transmission.
ZnO Nanowire Arrays on 3D Hierachical Graphene Foam: Biomarker Detection of Parkinson’s Disease
Yue, Hong Yan,Huang, Shuo,Chang, Jian,Heo, Chaejeong,Yao, Fei,Adhikari, Subash,Gunes, Fethullah,Liu, Li Chun,Lee, Tae Hoon,Oh, Eung Seok,Li, Bing,Zhang, Jian Jiao,Huy, Ta Quang,Luan, Nguyen Van,Lee, Y American Chemical Society 2014 ACS NANO Vol.8 No.2
<P>We report that vertically aligned ZnO nanowire arrays (ZnO NWAs) were fabricated on 3D graphene foam (GF) and used to selectively detect uric acid (UA), dopamine (DA), and ascorbic acid (AA) by a differential pulse voltammetry method. The optimized ZnO NWA/GF electrode provided a high surface area and high selectivity with a detection limit of 1 nM for UA and DA. The high selectivity in the oxidation potential was explained by the gap difference between the lowest unoccupied and highest occupied molecular orbitals of a biomolecule for a set of given electrodes. This method was further used to detect UA levels in the serum of patients with Parkinson’s disease (PD). The UA level was 25% lower in PD patients than in healthy individuals. This finding strongly implies that UA can be used as a biomarker for PD.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2014/ancac3.2014.8.issue-2/nn405961p/production/images/medium/nn-2013-05961p_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn405961p'>ACS Electronic Supporting Info</A></P>
( Bing Yan Gong ),( Hong Mei Ma ),( Xiao Ying Zang ),( Si Yuan Wang ),( Yi Zhang ),( Nan Jiang ),( Xi Peng Zhang ),( Yue Zhao ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2016 Journal of Neurogastroenterology and Motility (JNM Vol.22 No.3
Background/Aims A large number of studies have shown that function constipation (FC) has an extremely high incidence of mental and psychological disorders. Cranial electrotherapy stimulation (CES) was applied to the treatment of psychological disorders such as anxiety and depression. We explored the effects of CES combined with biofeedback therapy (BFT) on the psychological state, clinical symptoms, and anorectal function in patients with FC. Methods A total of 74 patients with FC were randomly divided into 2 groups. The control group received BFT. CES combined with BFT was carried out in the experiment group. All patients were assessed using the self-rating anxiety scale (SAS), self-rating depression scale (SDS), and Wexner constipation score at baseline and the end of each course. Anorectal manometry and balloon expulsion tests were performed before and after treatment. Results After treatment, the participants in the experiment group had significantly lower score SAS, SDS, and Wexner constipation scores than the control group (all P < 0.05). The number of successful expulsion in the experiment group was larger than the control group (P = 0.016). Conclusions CES combined with BFT was effective in improving the psychological status of anxiety, depression, and bowel symptoms in patients with FC. (J Neurogastroenterol Motil 2016;22:497-508)
Zhou, Jing,Wei, Yue-Hua,Liao, Mei-Yan,Xiong, Yan,Li, Jie-Lan,Cai, Hong-Bing Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.12
Chemoresistance to cancer therapy is a major obstacle to the effective treatment of human cancers with cisplatin (DDP), but the mechanisms of cisplatin-resistance are not clear. In this study, we established a cisplatin-resistant human ovarian cancer cell line (COC1/DDP) and identified differentially expressed proteins related to cisplatin resistance. The proteomic expression profiles in COC1 before and after DDP treatment were examined using 2-dimensional electrophoresis technology. Differentially expressed proteins were identified using matrix-assisted laser desorption/ ionization time-of-flight mass spectrometry (MALDI-TOF-MS) and high performance liquid chromatography-electrospray tandem MS (NanoUPLC-ESI-MS/MS). 5 protein spots, for cytokeratin 9, keratin 1, deoxyuridine triphosphatase (dUTPase), aarF domain containing kinase 4 (ADCK 4) and cofilin1, were identified to be significantly changed in COC1/DDP compared with its parental cells. The expression of these five proteins was further validated by quantitative PCR and Western blotting, confirming the results of proteomic analysis. Further research on these proteins may help to identify novel resistant biomarkers or reveal the mechanism of cisplatin-resistance in human ovarian cancers.
Genetic Diversity for Rice Blast Management
(You Yong Zhu),(Hai Ru Chen),(Yun Yue Wang),(Zuos Hea Li),(Yan Li),(Jing Hua Fan),(Jian Bing Chen),(Jin Xiang Fan),(Shi Sheng Yang),(Guang Liang Ma),(Ling Ping Hu),(Jin Yu Zou),(Christopher C . Mundt) 한국균학회 2001 Proceedings of the Fifth Korea-China Joint Symposi Vol.- No.-
Effect of Kai Xin San on Learning and Memory in a Rat Model of Paradoxical Sleep Deprivation
Yuan Hu,Ming Liu,Ping Liu,Juan-Juan Yan,Ming-Yue Liu,Gang-Qiang Zhang,Xiao-Jiang Zhou,Bing-Ying Yu 한국식품영양과학회 2013 Journal of medicinal food Vol.16 No.4
The present study aimed to evaluate the effect of kai xin san (KXS, at doses of 500, 250, and 125 mg/kg body weight per day), a well-known traditional Chinese medicine, on learning and memory in paradoxical sleep deprivation (PSD)-induced cognition deficit rats. Two behavior tests (the Open Field test and the Morris water maze task) were used for testing the effects of KXS on a PSD-induced learning and memory deficit model. Furthermore, its effect on the glutamic acid (GLU) and γ-amino-butyric acid (GABA) levels in the brain tissue, brain-derived neurotrophic factor (BDNF), cyclic AMP response element binding protein (CREB), and phosphorylated-CREB (p-CREB) expression in the hippocampus was also tested. KXS exerted the greatest cognition against the 48 h PSD-induced cognitive deficit and these effects may be mediated by decreasing the GLU and GABA levels and increasing the levels of BDNF, CREB, and p-CREB. This study indicates that the effect of KXS on learning and memory in a rat model of PSD could be associated with the modulation of neurotransmitter levels and the expression of some genes in the brain that contribute to memory functions.