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Clinical significance of para-aortic lymph node dissection and prognosis in ovarian cancer

Xianxian Li, Hui Xing, Lin Li, Yanli Huang, Min Zhou, Qiong Liu, Xiaomin Qin, Min He

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 96-100 doi: 10.1007/s11684-014-0316-4

Abstract:

Lymph node metastasis has an important effect on prognosis of patients with ovarian cancer.Moreover, the impact of para-aortic lymph node (PAN) removal on patient prognosis is still unclear.Group A consisted of 30 patients who underwent PAN+ pelvic lymph node (PLN) dissection, whereas groupIn group B, 13 cases were positive for lymph node metastasis.Our study suggested that the metastatic rate of lymph node is 40.0%.

Keywords： ovarian cancer     para-aortic lymph node     pelvic lymph node    

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Spatial embedded reinforcement of 20-node block element for analysis PC bridges

LONG Peiheng, DU Xianting, CHEN Weizhen

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 274-280 doi: 10.1007/s11709-008-0039-1

Abstract: It is an effective approach that the no-node loads are diverted from the tendons to the adjacent concrete

Keywords： arithmetic analysis     calculation     prestressed reinforcement     mechanical     arbitrary    

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Prognostic value of the 21-gene recurrence score in ER-positive, HER2-negative, node-positive breastcancer was similar in node-negative diseases: a single-center study of 800 patients

Jiayi Wu, Weiqi Gao, Xiaosong Chen, Chunxiao Fei, Lin Lin, Weiguo Chen, Ou Huang, Siji Zhu, Jianrong He, Yafen Li, Li Zhu, Kunwei Shen

Frontiers of Medicine 2021, Volume 15, Issue 4,   Pages 621-628 doi: 10.1007/s11684-020-0738-0

Abstract: Multi-gene assays have emerged as crucial tools for risk stratification in early-stage breast cancer. This study aimed to evaluate the prognostic significance of the 21-gene recurrence score (RS) in Chinese patients with pN0-1, estrogen receptor-positive (ER ), human epidermal growth factor receptor 2-negative (HER2 ) breast cancer. Among 800 patients recruited between 2009 and 2016, the median RS was 24 (0–69), with 27.4%, 46.8%, and 25.9% patients classified into low-, intermediate-, and high-risk groups. Cox regression analysis demonstrated that the high-risk category was associated with significantly higher odds of invasive disease-free survival (IDFS) and distant disease-free survival (DDFS) events compared with the low-risk category (IDFS: HR= 2.450, 95% CI 1.017–5.902, = 0.046; DDFS: HR= 2.829, 95% CI 1.013–7.901, = 0.047). No significant association between RS category and overall survival (OS) was found (intermediate vs. low: HR= 1.244, 95% CI 0.292–5.297, = 0.768; high vs. low: HR= 2.933, 95% CI 0.759–11.327, = 0.119). RS, as a continuous variable, was a highly significant predictor for IDFS (HR= 1.028, 95% CI 1.010–1.047, = 0.002), DDFS (HR= 1.030, 95% CI 1.010–1.051, = 0.003), and OS (HR= 1.034, 95% CI 1.007–1.063, = 0.014). Our findings suggested that RS may predict IDFS in Chinese patients with ER /HER2 breast cancer with N0 or N1 disease.

Keywords： early breast cancer     21-gene assay     recurrence score     prognosis    

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Study on road network model based on virtual node joint

Zhu Zhuangsheng,Wang Qing,Wan Dejun

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 83-87

Abstract: text-align: justify;">The road network in the real world has been showed by the road network model based on nodeIt is the first time that a novel road network model,that is,the road network model based on virtual nodeThe novel model adops virtual node to show multi-road converging area,and the virtual node is an areaThe novel model has better of image the traffic flow on the road network than the old model based on node

Keywords： traffic engineering     virtual node     road network model     map matching     transportation planning    

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Node Status Monitoring of Information-Centric Internet of Things

Cui Liqun, Wu Jun

Strategic Study of CAE 2020, Volume 22, Issue 6,   Pages 121-127 doi: 10.15302/J-SSCAE-2020.06.016

Abstract: network status information of the information-centric Internet of Things (IC-IoT), this study proposes a nodeIt first proposes a new management information base structure for recording various network node statusthe naming format of information-centric networking (ICN), centering on the content of the network node

Keywords： information-centric networking，Internet of Things，node status monitoring，access control    

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Application progress of lymphography in oncology

Yang YU, Jibin LIU, Lixue YIN

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 13-19 doi: 10.1007/s11684-009-0016-7

Abstract: Lymphography is often used for the diagnosis of lymphatic metastasis in oncology. Determination of lymphatic metastasis is extremely important for accurate cancer staging, which may directly guide the clinical therapeutic scheme. In recent years, the technology of lymphography has developed rapidly on the basis of traditional lymphography, with the appearance of computed tomography (CT) lymphography, nuclear magnetic resonance (MR) lymphography, contrast-enhanced lymphosonography, and so on; the diagnostic accuracy has also been improved. The imaging principles and methods of these various technologies of lymphography are reviewed in this paper, and their applications and significance in oncology are also discussed in detail.

Keywords： lymphography     lymphatic metastasis     sentinel lymph node biopsy    

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Simulation of cohesive crack growth by a variable-node XFEM

Weihua FANG, Jiangfei WU, Tiantang YU, Thanh-Tung NGUYEN, Tinh Quoc BUI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 215-228 doi: 10.1007/s11709-019-0595-6

Abstract: new computational approach that combines the extended finite element method associated with variable-nodeBy using a new enriched technique based on sign function, the proposed model using 4-node quadrilateralThe multiscale mesh technique associated with variable-node elements and the arc-length method further

Keywords： extended finite element method     cohesive zone model     sign function     crack propagation    

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Thermal energy harvesting circuit with maximum power point tracking control for self-powered sensor node None

Eun-Jung YOON, Jong-Tae PARK, Chong-Gun YU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 285-296 doi: 10.1631/FITEE.1601181

Abstract: We present a simple implementation of a thermal energy harvesting circuit with the maximum power point tracking (MPPT) control for self-powered miniature-sized sensor nodes. Complex start-up circuitry and direct current to direct current (DC-DC) boost converters are not required, because the output voltage of targeted thermoelectric generator (TEG) devices is high enough to drive the load applications directly. The circuit operates in the active/asleep mode to overcome the power mismatch between TEG devices and load applications. The proposed circuit was implemented using a 0.35-μm complementary metal-oxide semiconductor (CMOS) process. Experimental results confirmed correct circuit operation and demonstrated the performance of the MPPT scheme. The circuit achieved a peak power efficiency of 95.5% and an MPPT accuracy of higher than 99%.

Keywords： Thermoelectric energy     Energy harvesting     Maximum power point tracking (MPPT) control     Self-powered system     Sensor node    

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Optimal portfolio design of energy storage devices with financial and physical right market

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 95-104 doi: 10.1007/s11708-021-0788-2

Abstract: the profit of energy storage and avoid the imbalance of power supply and consumption and the risk of node

Keywords： portfolio     node price fluctuation     transmission right     energy storage right     risk aversion    

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Controller area network node reliability assessment based on observable node information Article

Lei-ming ZHANG, Long-hao TANG, Yong LEI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 5,   Pages 615-626 doi: 10.1631/FITEE.1601029

Abstract: In this paper, a novel CAN node reliability assessment method, which uses node’s time to bus-off as theThe method estimates the transmit error counter (TEC) of any node in the network based on the networkFirst, a node TEC estimation model is established based on segmented Markov chains., by learning the differences between the model estimates and the actual values from the observable nodeFinally, a node reliability assessment method is developed to predict the time to reach bus-off state

Keywords： Controller area network (CAN)     Transmit error counter (TEC)     TEC value estimation     Bayesian network     Bus-off hitting time    

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A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications for the ‘‘versatility’’ of these materials as solid sorbents

Frontiers of Chemical Science and Engineering   Pages 1632-1642 doi: 10.1007/s11705-022-2187-6

Abstract: Although metal–organic frameworks offer a new platform for developing versatile sorption materials, yet coordinating the functionality, structure and component of these materials remains a great challenge. It depends on a comprehensive knowledge of a “real sorption mechanism”. Herein, a ternary mechanism for U(VI) uptake in metal–organic frameworks was reported. Analogous MIL-100s (Al, Fe, Cr) were prepared and studied for their ability to sequestrate U(VI) from aqueous solutions. As a result, MIL-100(Al) performed the best among the tested materials, and MIL-100(Cr) performed the worst. The nuclear magnetic resonance technique combined with energy-dispersive X-ray spectroscopy and zeta potential measurement reveal that U(VI) uptake in the three metal–organic frameworks involves different mechanisms. Specifically, hydrated uranyl ions form outer-sphere complexes in the surface of MIL-100s (Al, Fe) by exchanging with hydrogen ions of terminal hydroxyl groups (Al-OH2, Fe-OH2), and/or, hydrated uranyl ions are bound directly to Al(III) center in MIL-100(Al) through a strong inner-sphere coordination. For MIL-100(Cr), however, the U(VI) uptake is attributed to electrostatic attraction. Besides, the sorption mechanism is also pH and ionic strength dependent. The present study suggests that changing metal center of metal–organic frameworks and sorption conditions alters sorption mechanism, which helps to construct effective metal–organic frameworks-based sorbents for water purification.

Keywords： U(VI)     metal–organic frameworks     adsorption mechanism     metal node    

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An artificial intelligence based method for evaluating power grid node importance using network embedding Research Papers

Hui-fang WANG, Chen-yu ZHANG, Dong-yang LIN, Ben-teng HE

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 6,   Pages 816-828 doi: 10.1631/FITEE.1800146

Abstract: To solve this problem, an artificial intelligence based method is proposed for evaluating power grid nodeThen, for a specific power network, steady-state and node fault transient simulations under various operationThe sample set can reflect the relationship between the node features and the corresponding importanceA case study demonstrates that the proposed method can effectively evaluate node importance for a power

Keywords： Power grid     Artificial intelligence     Node importance     Text-associated DeepWalk     Network embedding     Support    

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Correlation of Twist upregulation and senescence bypass during the progression and metastasis of cervical cancer

Tian Wang, Yan Li, Abidan Tuerhanjiang, Wenwen Wang, Zhangying Wu, Ming Yuan, Shixuan Wang

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 106-112 doi: 10.1007/s11684-014-0307-5

Abstract:

Cervical carcinoma is associated with high propensity for local invasion and lymph node metastasisThe strong positive expressions of Twist in the SCC groups with or without lymph node metastasis were

Keywords： cervical cancer     senescence     Twist     CBX3     lymph node metastasis    

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Construction Duration and Cost Simulation via Network-Program-Diagram

Wei-dong Wang,Jie Wu,Kai-jun Wang,Xin Wen

Frontiers of Engineering Management 2014, Volume 1, Issue 2,   Pages 210-217 doi: 10.15302/J-FEM-2014028

Abstract: This paper outlines the creation of a simulation model used to extrapolate duration and resource requirements needed for the construction of bridges based on a sampling of data obtained during a field research conducted on the construction process of a single bridge. A sampling of statistical data was taken during a field investigation to measure schedule and resource requirements (labor, raw materials and machinery) at various stages of a bridge construction project. This data was used to identify the probability distribution and the associated parameters for the project examined, and a simulation model was built to extrapolate the necessary schedule and resource requirements needed for various stages of similar bridge projects based on Three-Point Estimation Method of Program Evaluation and Review Technique (PERT) and Monte Carlo Method. This simulation model’s resultant data for every process in an applicable construction project can be aggregated to form overall project duration and resource requirement statistical distribution using the Critical Path Method (CPM). The whole construction process will be visualized by a 4-dimensional (4D) model of the project which is created by appending time and resource requirements and to the 3-dimensional (3D) model that is built using the Building Information Modeling (BIM) and Alternativa 3D technology. Based on the simulation results of every procedure’s duration and resource requirements, the Network Program Diagram and Gantt Chart can be drawn with Flex and ActionScript language. Furthermore, with the Network Program Diagram at the core, the 4D model can incorporate simulation’s resultant data with respect to total time and cost of the project to show the condition of resource requirements and the project’s progressing at any time.

Keywords： construction duration     construction cost     activity-on-node diagram     building information modeling    

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Adjuvant chemotherapy versus adjuvant concurrent chemoradiotherapy after radical surgery for early-stage cervical cancer: a randomized, non-inferiority, multicenter trial

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 93-104 doi: 10.1007/s11684-021-0892-z

Abstract: We conducted a prospective study to assess the non-inferiority of adjuvant chemotherapy alone versus adjuvant concurrent chemoradiotherapy (CCRT) as an alternative strategy for patients with early-stage (FIGO 2009 stage IB–IIA) cervical cancer having risk factors after surgery. The condition was assessed in terms of prognosis, adverse effects, and quality of life. This randomized trial involved nine centers across China. Eligible patients were randomized to receive adjuvant chemotherapy or CCRT after surgery. The primary end-point was progression-free survival (PFS). From December 2012 to December 2014, 337 patients were subjected to randomization. Final analysis included 329 patients, including 165 in the adjuvant chemotherapy group and 164 in the adjuvant CCRT group. The median follow-up was 72.1 months. The three-year PFS rates were both 91.9%, and the five-year OS was 90.6% versus 90.0% in adjuvant chemotherapy and CCRT groups, respectively. No significant differences were observed in the PFS or OS between groups. The adjusted HR for PFS was 0.854 (95% confidence interval 0.415–1.757; P = 0.667) favoring adjuvant chemotherapy, excluding the predefined non-inferiority boundary of 1.9. The chemotherapy group showed a tendency toward good quality of life. In comparison with post-operative adjuvant CCRT, adjuvant chemotherapy treatment showed non-inferior efficacy in patients with early-stage cervical cancer having pathological risk factors. Adjuvant chemotherapy alone is a favorable alternative post-operative treatment.

Keywords： chemotherapy     cervical cancer     lymph node metastasis     concurrent chemoradiotherapy     quality of life    

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Title Author Date Type Operation

Clinical significance of para-aortic lymph node dissection and prognosis in ovarian cancer

Xianxian Li, Hui Xing, Lin Li, Yanli Huang, Min Zhou, Qiong Liu, Xiaomin Qin, Min He

Journal Article

Spatial embedded reinforcement of 20-node block element for analysis PC bridges

LONG Peiheng, DU Xianting, CHEN Weizhen

Journal Article

Prognostic value of the 21-gene recurrence score in ER-positive, HER2-negative, node-positive breastcancer was similar in node-negative diseases: a single-center study of 800 patients

Jiayi Wu, Weiqi Gao, Xiaosong Chen, Chunxiao Fei, Lin Lin, Weiguo Chen, Ou Huang, Siji Zhu, Jianrong He, Yafen Li, Li Zhu, Kunwei Shen

Journal Article

Study on road network model based on virtual node joint

Zhu Zhuangsheng,Wang Qing,Wan Dejun

Journal Article

Node Status Monitoring of Information-Centric Internet of Things

Cui Liqun, Wu Jun

Journal Article

Application progress of lymphography in oncology

Yang YU, Jibin LIU, Lixue YIN

Journal Article

Simulation of cohesive crack growth by a variable-node XFEM

Weihua FANG, Jiangfei WU, Tiantang YU, Thanh-Tung NGUYEN, Tinh Quoc BUI

Journal Article

Thermal energy harvesting circuit with maximum power point tracking control for self-powered sensor node

Eun-Jung YOON, Jong-Tae PARK, Chong-Gun YU

Journal Article

Optimal portfolio design of energy storage devices with financial and physical right market

Journal Article

Controller area network node reliability assessment based on observable node information

Lei-ming ZHANG, Long-hao TANG, Yong LEI

Journal Article

A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications for the ‘‘versatility’’ of these materials as solid sorbents

Journal Article

An artificial intelligence based method for evaluating power grid node importance using network embedding

Hui-fang WANG, Chen-yu ZHANG, Dong-yang LIN, Ben-teng HE

Journal Article

Correlation of Twist upregulation and senescence bypass during the progression and metastasis of cervical cancer

Tian Wang, Yan Li, Abidan Tuerhanjiang, Wenwen Wang, Zhangying Wu, Ming Yuan, Shixuan Wang

Journal Article

Construction Duration and Cost Simulation via Network-Program-Diagram

Wei-dong Wang,Jie Wu,Kai-jun Wang,Xin Wen

Journal Article

Adjuvant chemotherapy versus adjuvant concurrent chemoradiotherapy after radical surgery for early-stage cervical cancer: a randomized, non-inferiority, multicenter trial

Journal Article