Search results for: Y. Ji

Items from 1 to 20 out of 298 results

article

Effects of Breathing Patterns on Amide Proton Transfer MRI in the Kidney: A Preliminary Comparative Study in Healthy Volunteers and Patients With Tumors

X. Wang, Y. Y. Cao, Y. Jiang, M. Jia, more

Journal of Magnetic Resonance Imaging > 60 > 1 > 222 - 230

Background The amide proton transfer‐weighted (APTw) imaging for kidney diseases is important. However, the breathing patterns on APTw imaging remains unexplored. Purpose This study aimed to investigate the effects of intermittent breath‐hold (IBH) and free breathing (FB) on renal 3D‐APTw imaging. Study Type Healthy volunteers were enrolled prospectively, and renal clear cell carcinoma (RCCC)...

article

Simulation of the electromagnetic characters of a Faraday‐shielded antenna in a helicon wave plasma source

Y. Zhou, P. Y. Ji, H. Y. Tan, M. J. Zhou, more

Contributions to Plasma Physics > 61 > 9 > n/a - n/a

In this article, a structure that employs a Faraday shield between the Shoji antenna and the dielectric tube, which aims to reduce the dielectric wall sputtering, is investigated for the helicon wave plasma (HWP) sources. Faraday shield is usually used between the antenna and the reaction chamber to reduce the radiation from the high electromagnetic field generation, as well as to prevent the sputtering...

article

Strongyloides stercoralis infection in a patient with chronic renal failure from North China

P. Yu, X. Wang, X. Wen, Y. Ji

Acta Parasitologica > 2021 > 66 > 3

article

Effect of salt concentration on microbial communities, physicochemical properties and metabolite profile during spontaneous fermentation of Chinese northeast sauerkraut

X. Yang, W. Hu, Z. Xiu, A. Jiang, more

Journal of Applied Microbiology > 129 > 6 > 1458 - 1471

Aim The aim of this study was to study the effects of salt concentrations on the microbial communities, physicochemical properties, metabolome profiles and sensory characteristics during the fermentation of traditional northeast sauerkraut. Methods and Results Northeast sauerkraut was spontaneously fermented under four salt concentrations (0·5, 1·5, 2·5 and 3·5%, w/w). The result of microbiological...

article

Transformer inrush identification based on improved mathematical gradient with dissociative structuring element

M. C. Huang, Q. H. Wu, T. Y. Ji, L. L. Zhang

IEEJ Transactions on Electrical and Electronic Engineering > 15 > 7 > 1126 - 1127

This paper presents an improved morphological gradient for transformer inrush identification. Dissociative structuring element is presented and used to perform gradient operation, which can decrease the computational burden. Besides, a new index is introduced to measure the feature of extracted morphological gradient and to distinguish inrush from fault current. Simulation studies are conducted using...

article

Functional diversification of three delta‐class glutathione S‐transferases involved in development and detoxification in Tribolium castaneum

X. Song, L. Pei, Y. Zhang, X. Chen, more

Insect Molecular Biology > 29 > 3 > 320 - 336

Glutathione S‐transferases (GSTs) are members of a multifunctional enzyme superfamily. Forty‐one GSTs have been identified in Tribolium castaneum; however, none of the 41 GSTs has been functionally characterized. Here, three delta‐class GSTs, TcGSTd1, TcGSTd2 and TcGSTd3, of T. castaneum were successfully cloned and expressed in Escherichia coli. All of the studied GSTs catalysed the conjugation of...

article

An energy‐conserving and decaying time integration method for general nonlinear dynamics

H. M. Zhang, Y. F. Xing, Y. Ji

International Journal for Numerical Methods in Engineering > 121 > 5 > 925 - 944

An energy‐conserving and decaying time integration method is derived from the discretized energy balance equation in this paper. Based on the Gauss‐Legendre quadrature rule, the new method evaluates the mean internal force by collecting the internal forces of several quadrature points in the time interval. Compared with previous conserving methods, the new method avoids the reconstruction of finite...

article

Mrr2 mutations and upregulation are associated with increased fluconazole resistance in Candida albicans isolates from patients with vulvovaginal candidiasis

W. Feng, J. Yang, Y. Ji, Z. Xi, more

Letters in Applied Microbiology > 70 > 2 > 95 - 101

Candida albicans is an opportunistic fungus, which causes vulvovaginal candidiasis (VVC). The aim of this study was to evaluate Mrr2 mutation and its expression levels and Candida drug resistance 1 (Cdr1) in C. albicans associated with fluconazole (FCA) resistance. We identified 80 isolates of C. albicans from 155 vaginal secretions and performed FCA drug sensitivity tests, using M27‐A3 micro‐broth...

article

Thermo-electrical coupling simulation of powder mixed EDM SiC/Al functionally graded materials

L. Tang, Y. Ji, L. Ren, K. G. Zhai, more

The International Journal of Advanced Manufacturing Technology > 2019 > 105 > 5-6 > 2615-2628

In order to solve the problem of low efficiency and poor surface quality, the method of powder mixed electrical discharge machining (PMEDM) was proposed for machining SiC/Al functionally graded materials (FGM). The thermo-electrical coupling simulation model was established. Based on the results of single-pulse discharge simulation, PMEDM material removal mechanism was researched. At the same time,...

article

Phosphoglycerate mutase 1 in cancer: A promising target for diagnosis and therapy

Farzana Sharif, Azhar Rasul, Asma Ashraf, Ghulam Hussain, more

IUBMB Life > 71 > 10 > 1418 - 1427

Altered enzymatic machineries are a substantial biochemical characteristic of tumor cell metabolism that switch metabolic profile from oxidative phosphorylation to amplified glycolysis as well as increased lactate production under hypoxia conditions. Reprogrammed metabolic profile is an emerging hallmark of cancer. Overexpression of several glycolytic enzymes and glucose transporters has been reported...

article

Transcriptome changes in the phenylpropanoid pathway in senescing leaves of Toona sinensis

J. Sui, C. Qu, J. Yang, W. Zhang, more

Acta Physiologiae Plantarum > 2019 > 41 > 7

Toona sinensis is a deciduous tree native to eastern and southeastern Asia that has important culinary and cultural values. To expand current knowledge of the transcriptome and functional genomics in this species, a de novo transcriptome sequence analysis of young and mature leaf tissues of T. sinensis was performed using the Illumina platform. Over 8.1 Gb of data were generated, assembled into 64,541...

article

Discussion on the Fluorosis in Seawater-Intrusion Areas Along Coastal Zones in Laizhou Bay and Other Parts of China

Q. Chen, J. Wei, H. Wang, L. Shi, more

International Journal of Environmental Research > 2019 > 13 > 2 > 435-442

Fluorosis and seawater intrusion are very typical along coastal area in Laizhou Bay and other places of China. The groundwater characteristics change due to seawater intrusion, which results in the increase of Na⁺, HCO₃⁻, pH, TDS, hardness, conductivity and the decrease of Ca²⁺. Meanwhile, high fluorine in groundwater is related to soft and alkaline conditions, which are depleted in Ca²⁺ and enriched...

article

AID and TET2 co‐operation modulates FANCA expression by active demethylation in diffuse large B cell lymphoma

J. Jiao, Y. Jin, M. Zheng, H. Zhang, more

Clinical & Experimental Immunology > 195 > 2 > 190 - 201

Diffuse large B cell lymphoma (DLBCL) is traced to a mature B malignance carrying abnormal activation‐induced cytidine deaminase (AID) expression. AID activity initially focuses on deamination of cytidine to uracil to generate somatic hypermutation and class‐switch recombination of the immunoglobulin (Ig), but recently it has been implicated in DNA demethylation of genes required for B cell development...

article

Forecasting a short‐term wind speed using a deep belief network combined with a local predictor

Y. Yu, Z. M. Chen, M. S. Li, T. Y. Ji, more

IEEJ Transactions on Electrical and Electronic Engineering > 14 > 2 > 238 - 244

This article proposes a novel wind speed forecast algorithm framework, which combines a deep belief network (DBN) and an improved Local Predictor (LP). The DBN adopted is a multiple hidden layers deep neural network consisting of restricted Boltzmann machines (RBMs) with superior performances on classification and prediction applications of a large‐scale dataset, such as wind speed data. However,...

article

Diffraction of hydroelastic waves by multiple vertical circular cylinders

K. Ren, G. X. Wu, C. Y. Ji

Journal of Engineering Mathematics > 2018 > 113 > 1 > 45-64

The diffraction problem of hydroelastic waves beneath an ice sheet by multiple bottom-mounted circular cylinders is considered. The elastic thin-plate theory is adopted to model the ice sheet, while the linearized velocity potential theory adopted for the fluid flow. The velocity potential corresponding to each cylinder is expanded into a series of eigenfunctions, and the total potential is expressed...

article

Low- vs. High-Dose Neoadjuvant Radiation in Trimodality Treatment of Locally Advanced Esophageal Cancer

Keven S. Y. Ji, Samantha M. Thomas, Sanziana A. Roman, Brian Czito, more

Journal of Gastrointestinal Surgery > 2019 > 23 > 5 > 885-894

Background The optimal dose of neoadjuvant radiation for locally advanced, resectable esophageal cancer remains controversial in the absence of randomized clinical trials, with conventional practice favoring the use of 50.4 vs. 41.4 Gy. Methods Retrospective analysis of adults with non-metastatic esophageal cancer in the National Cancer Database (2004–2015) treated with neoadjuvant chemoradiotherapy...

article

HDPE/UHMWPE composite foams prepared by compression molding with optimized foaming capacity and mechanical properties

P. Sun, T. Y. Qian, X. Y. Ji, C. Wu, more

Journal of Applied Polymer Science > 135 > 46 > n/a - n/a

High‐density polyethylene (HDPE) foams have attracted increasing interest because of their excellent toughness, chemical stability, and low cost. However, the low melt strength and narrow foaming window usually lead to poor foaming capacity and performances prepared by compression molding under high temperature for HDPE. Herein, ultra high‐molecular weight polyethylene (UHMWPE) is used to improve...

article

Gap flow field simulation and experiment of electrochemical machining special-shaped inner spiral tube

L. Tang, X. Feng, K. G. Zhai, Y. Ji, more

The International Journal of Advanced Manufacturing Technology > 2019 > 100 > 9-12 > 2485-2493

In order to solve the problems of flow field divergence, short circuit, and poor forming precision in electrochemical machining (ECM) large-diameter special-shaped inner spiral tube with pull reverse flow-cathode structure, a pull downstream cathode structure is proposed which has the function of changing working teeth and converging electrolyte flow field. The gap flow field simulation model was...

article

Investigation on Microsegregation of IN718 Alloy During Additive Manufacturing via Integrated Phase-Field and Finite-Element Modeling

X. Wang, P. W. Liu, Y. Ji, Y. Liu, more

Journal of Materials Engineering and Performance > 2019 > 28 > 2 > 657-665

In this work, we apply a multi-scale model combining finite-element method (FEM) and phase-field model (PFM) to simulate the evolution of solidification microstructures at different locations within a molten pool of an additively manufactured IN718 alloy. Specifically, the FEM is used to calculate the shape of molten pool and the relative thermal gradient G at the macroscale. Then, the calculated...

article

卡波西样血管内皮瘤

Y. Ji, K. Yang, S. Peng, S. Chen, more

British Journal of Dermatology > 179 > 2 > e113 - e113

卡波西样血管内皮瘤(KHE)是一种罕见的侵袭性肿瘤,由血管异常生长引起,外观可能与胎记类似。KHE患者可能发展为危及生命的疾病,称为Kasabach‐Merritt现象(KMP)。此外,KHE可能造成严重贫血。在临床上,KHE的发病率和死亡率很高(高达30%)。本研究共招募了146名被诊断为KHE的患者。我们已经证实,大多数KHE出现在12月龄之前。KHE的临床特征不同,并且可能并不明确。KHE与各种重大并发症相关,这些并发症可能同时发生并且在早期出现。此外,我们已经证明,KMP在KHE患者中很常见,往往发生在疾病早期并且会导致大多数危及生命的并发症。研究结果证明,病变相对较大的较年幼患者发展为KMP的风险很高。在6月龄之前发现病变的患者发展为KMP的风险高59倍;而且肿瘤病变在5‐8cm之间的患者发展为KMP的概率高6.8倍,而病变超过8cm的患者面临的风险甚至更高。一项重要的描述性分类涉及到肿瘤浸润深度;KHE的风险随着病变深度和浸润的增加而增大。此外,建议尽早将这些高风险患者转诊到经验丰富的医生,防止出现致命的并发症,而且尽早治疗将带来更好的长期预后。

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INFONA - science communication portal

Search results for: Y. Ji

Effects of Breathing Patterns on Amide Proton Transfer MRI in the Kidney: A Preliminary Comparative Study in Healthy Volunteers and Patients With Tumors

Simulation of the electromagnetic characters of a Faraday‐shielded antenna in a helicon wave plasma source

Strongyloides stercoralis infection in a patient with chronic renal failure from North China

Effect of salt concentration on microbial communities, physicochemical properties and metabolite profile during spontaneous fermentation of Chinese northeast sauerkraut

Transformer inrush identification based on improved mathematical gradient with dissociative structuring element

Functional diversification of three delta‐class glutathione S‐transferases involved in development and detoxification in Tribolium castaneum

An energy‐conserving and decaying time integration method for general nonlinear dynamics

Mrr2 mutations and upregulation are associated with increased fluconazole resistance in Candida albicans isolates from patients with vulvovaginal candidiasis

Thermo-electrical coupling simulation of powder mixed EDM SiC/Al functionally graded materials

Phosphoglycerate mutase 1 in cancer: A promising target for diagnosis and therapy

Transcriptome changes in the phenylpropanoid pathway in senescing leaves of Toona sinensis

Discussion on the Fluorosis in Seawater-Intrusion Areas Along Coastal Zones in Laizhou Bay and Other Parts of China

AID and TET2 co‐operation modulates FANCA expression by active demethylation in diffuse large B cell lymphoma

Forecasting a short‐term wind speed using a deep belief network combined with a local predictor

Diffraction of hydroelastic waves by multiple vertical circular cylinders

Low- vs. High-Dose Neoadjuvant Radiation in Trimodality Treatment of Locally Advanced Esophageal Cancer

HDPE/UHMWPE composite foams prepared by compression molding with optimized foaming capacity and mechanical properties

Gap flow field simulation and experiment of electrochemical machining special-shaped inner spiral tube

Investigation on Microsegregation of IN718 Alloy During Additive Manufacturing via Integrated Phase-Field and Finite-Element Modeling

卡波西样血管内皮瘤

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