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- 저자 : Yanqin Wu (검색결과 3 건)
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A management strategy for solar panel - battery - super capacitor hybrid energy system in solar car
Bin Wu,Fang Zhuo,Fei Long,Weiwei Gu,Yang Qing,YanQin Liu 전력전자학회 2011 ICPE(ISPE)논문집 Vol.2011 No.5
This paper presents an application of solar energy - battery - super-capacitor hybrid energy storage system in solar electric vehicles. The key point is the proposed energy management control algorithm. The entire system consists of a solar panel, a boost converter, a battery, a super capacitor, a bi-directional DC/DC converter, and a brushless DC motor. This paper gives the details of the control strategy to cooperate the three energy sources or storage devices: solar panel, battery and super capacitor. A hysteretic control algorithm for battery charging by solar panel is given. A novel control method for bi-directional DC/DC is proposed to keep the battery discharging current within a certain limit and make full use of super capacitor. The switching transient between super-capacitor charging mode and discharging mode is also presented. Both simulation and experimental results demonstrate the effectiveness of the proposed strategy.
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Miao Xue,Yanqin Wu,Wenzhe Fan,Jian Guo,Jialiang Wei,Hongyu Wang,Jizhou Tan,Yu Wang,Wang Yao,Yue Zhao,Jiaping Li 대한암학회 2020 Cancer Research and Treatment Vol.52 No.3
Purpose This study aimed to investigate the clinicopathologic features and mutational landscape of patients with hepatitis B virus (HBV)–related advanced hepatocellular carcinomas (HCC) undergoing transcatheter arterial chemoembolization (TACE). Materials and Methods From January 2017 to December 2018, 38 patients newly diagnosed with HBV-related advanced HCC were enrolled in the final analysis. Their pathological tissues and corresponding blood samples before TACE treatment were collected for whole-exome sequencing. Response to TACE was evaluated at 1-3 months after two consecutive use of TACE. Predictive factors were analyzed by univariate and multivariate analyses in a bivariate Logistic regression model. Enrichment of related pathways of all driver genes were acquired using the gene set enrichment analysis (GSEA). Results Among 38 patients, 23 (60.5%) exhibited TACE failure/refractoriness. Patients with TACE failure/refractoriness showed higher frequency of TP53 mutation than their counterparts (p=0.020). Univariate and multivariate analyses showed that only vascular invasion and TP53mutation were significantly correlated with TACE failure/refractoriness in HBV-related advanced HCC. Of the 16 patients without vascular invasion, eight (50.0%) had TP53 mutations, and TP53mutation was associated with TACE failure/refractoriness (p=0.041). Moreover, GSEA showed that mitogen-activated protein kinase and apoptosis pathways induced by TP53 mutation were possibly associated with TACE failure/refractoriness. Conclusion Our study suggested that TP53 mutation was independently related with TACE efficacy, which may work via mitogen-activated protein kinase and apoptosis pathways. These findings may provide evidence to help distinguish patients who will particularly benefit from TACE from those who require more personalized therapeutic regimens and rigorous surveillance in HBV-related advanced HCC.
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Zheng Lin Zhao,Bong Hyo Lee,Feng Lin,YanQin Guo,Yi Yan Wu,Sang Mi Park,Sunghyeon In,Sang Chan Kim,Chae Ha Yang,Rong Jie Zhao 사단법인약침학회 2014 Journal of Acupuncture & Meridian Studies Vol.7 No.5
The current study investigated the effects of acupuncture at Zu-San-Li (ST36) on the hypothalamicepituitaryeadrenalaxis during ethanol withdrawal in rats. Rats were intraperitoneallytreated with 3 g/kg/day of ethanol or saline for 28 days. Following 24 hours ofethanol withdrawal, acupuncture was applied at bilateral ST36 points or non-acupoints(tail) for 1 minute. Plasma levels of corticosterone (CORT) and adrenocorticotropic hormone(ACTH) were measured by radioimmunoassay (RIA), and the corticotropin-releasingfactor (CRF) protein levels in the paraventricular nucleus of the hypothalamus were alsoexamined by RIA 20 minutes after the acupuncture treatment. RIA showed significantlyincreased plasma levels of CORT and ACTH in the ethanol-withdrawn rats compared withthe saline-treated rats, which were inhibited significantly by the acupuncture at the acupointST36 but not at the non-acupoint. Additionally, ethanol withdrawal promoted CRFprotein expressions in the paraventricular nucleus of the hypothalamus, which were alsoblocked by the acupuncture at ST36. These findings suggest that acupuncture at the specific acupoint ST36 can inhibit ethanol withdrawal-induced hyperactivation of hypothalamicepituitaryeadrenalaxis, and it may be mediated via the modulation of hypothalamicCRF.
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