Search results for: Haiyan Chen

Items from 1 to 20 out of 416 results

article

In situ energy‐dispersive X‐ray diffraction of local phase dynamics during solvothermal growth of Cu₄O₃

Zhelong Jiang, Jai Sharma, John S. Okasinski, Haiyan Chen, more

Journal of Applied Crystallography > 54 > 1 > 42 - 53

Using in situ methods to characterize the state of a system during reactions is critical to understanding and improving solvothermal syntheses. This work demonstrates the use of in situ energy‐dispersive X‐ray diffraction (EDXRD) to investigate the local dynamics during solvothermal formation of Cu₄O₃ using a general‐purpose full‐sized laboratory oven. This allows for direct comparison of in situ...

article

Effect of sub‐cloud evaporation on precipitation in the Tianshan Mountains (Central Asia) under the influence of global warming

Haiyan Chen, Yaning Chen, Dalong Li, Weihong Li

Hydrological Processes > 34 > 26 > 5557 - 5566

It is crucial for accurately describing the precipitation patterns and their underlying mechanisms to optimise the hydro‐climatic model parameters and improve the accuracy of precipitation forecasting. Based on 212 precipitation samples collected during August 2015 to July 2016 in the mid‐mountain region of the Manasi River Basin in the northern slope of the Tianshan Mountains, we estimated the effect...

article

Design and analysis of a broadband and miniaturized linear polarized converter based on non‐Foster metasurfaces

Fengxia Li, Haiyan Chen, Yang Zhou, Li Zhang, more

Microwave and Optical Technology Letters > 63 > 1 > 345 - 352

A broadband highly efficient and miniaturized polarizing converter, employing non‐Foster metasurface composed of a single layer cut‐wire resonator is presented in microwave regime. Non‐Foster component are loaded to traditional dipole‐type linear polarized converter to further enhance the low frequency polarization conversion performance, comparing to the converter without non‐Foster component, it...

article

A Bioresponsive Near‐Infrared Fluorescent Probe for Facile and Persistent Live‐Cell Tracking

Jinrong Zheng, Yue Xu, Lixue Fan, Shuheng Qin, more

Small > 16 > 33 > n/a - n/a

Molecular imaging significantly transforms the field of biomedical science and facilitates the visualization, characterization, and quantification of biologic processes. However, it is still challenging to monitor cell localization in vivo, which is essential to the study of tumor metastasis and in the development of cell‐based therapies. While most conventional small‐molecule fluorescent probes cannot...

article

Retracted: Transforming Growth Factor Beta‐1 Promotes Smooth Muscle Cell Proliferation and Migration in an Arteriovenous Fistulae: The Role of Wall Shear Stress

Lan Jia, Fang Wei, Lihua Wang, Haiyan Chen, more

Therapeutic Apheresis and Dialysis > 24 > 3 > 345 - 345

Retraction: Lan Jia, Fang Wei, Lihua Wang, Haiyan Chen, Haibo Yu, Zhe Wang and Aili Jiang “Transforming Growth Factor Beta‐1 Promotes Smooth Muscle Cell Proliferation and Migration in an Arteriovenous Fistulae: The Role of Wall Shear Stress” Therapeutic Apheresis and Dialysis (https://onlinelibrary.wiley.com/doi/10.1111/1744‐9987.12781). The above article, published online on 06 December 2018 in Wiley...

article

Skin sensitivity evaluation: What could impact the assessment results?

CongXiu Ye, Jian Chen, SuLian Yang, JinLing Yi, more

Journal of Cosmetic Dermatology > 19 > 5 > 1231 - 1238

Background For the evaluation results of skin sensitivity, such as clinical parameters, stinging test records and biophysical assessments dates might be impacted by many factors, the influence factors need to be further explored, and the skin sensitivity evaluation process and methodology needed distinction and normalization. In this study, we investigated the changes of sensitive skin indexes and...

article

Does covering routine dental care for the Medicare population produce cost savings in Medicare? A preliminary 2‐year analysis

John F. Moeller, Richard J. Manski, Haiyan Chen, Samuel H. Zuvekas, more

Journal of Public Health Dentistry > 80 > 1 > 31 - 42

Objectives We estimated the association between the use of preventive dental care and medical use and expense for older persons over a 2‐year period to determine if a Medicare dental benefit for routine care could result in potential cost savings in Medicare. Methods We relied on 2008‐2014 Medical Expenditure Panel Survey data to estimate separate logistic and lognormal ordinary least squares regressions...

article

Modulation of the secondary Bjerknes force in multi-bubble systems

Haiyan Chen, Ziliang Chen, Yi Li

Ultrasonics Sonochemistry > 2020 > 61 > C

The behaviours of insonated bubble clusters are regulated by the secondary Bjerknes force between bubble pairs. While the force has been investigated extensively for two-bubble systems, the modulation of the force by nearby bubbles remains unclear. This problem is investigated in this paper by theoretical analyses and numerical simulations of a three bubble system. For weak oscillations, the third...

article

Patient‐tailored SyncAV algorithm: A novel strategy to improve synchrony and acute hemodynamic response in heart failure patients treated by cardiac resynchronization therapy

Jingfeng Wang, Yixiu Liang, Haiyan Chen, Wei Wang, more

Journal of Cardiovascular Electrophysiology > 31 > 2 > 512 - 520

Introduction Several automatic algorithms have developed to optimize the timing cycle setting in cardiac resynchronization therapy (CRT). The present study aims to investigate whether the novel device‐based SyncAV algorithm could elicit better synchrony and acute hemodynamic response. Methods and Results Thirty five patients undergoing CRT implantation were prospectively studied. The device was...

article

Left bundle branch area pacing is superior to right ventricular septum pacing concerning depolarization‐repolarization reserve

Jingfeng Wang, Yixiu Liang, Wei Wang, Xueying Chen, more

Journal of Cardiovascular Electrophysiology > 31 > 1 > 313 - 322

Introduction Left bundle branch area pacing (LBBAP) has recently been reported to be a new physiological pacing strategy with clinical feasibility and safety. The present study aims to investigate depolarization‐repolarization measures including QT interval, QT dispersion (QTD), and T_peak‐end interval (T_pT_e) in this novel LBBAP strategy. Methods and Results A total of 131 pacing‐indicated patients...

article

Study on depositing SiO₂ nanoparticles on the surface of jute fiber via hydrothermal method and its reinforced polypropylene composites

Haiyan Chen, Yihua Cui, Xuan Liu, Miao Zhang, more

Journal of Vinyl and Additive Technology > 26 > 1 > 43 - 54

To improve the interfacial compatibility of jute fiber reinforced polypropylene (PP) composites, hydrothermal method was used to deposit SiO₂ nanoparticles on the surface of pretreated jute fibers and the effect of reaction factors (tetraethoxysilane [TEOS] concentration, ammonia concentration, and reaction temperature) on the deposition of SiO₂ nanoparticles were evaluated. The results of FTIR, XRD,...

article

Effects of laser-textured surface pattern on the wetting behavior and composition optimization of brazing filler: experimental study and numerical simulation

Xincheng Wang, Haiyan Chen, Lele Miao, Li Fu

Applied Physics A > 2019 > 125 > 12 > 1-8

To reduce interface brittle compounds of brazed joints, laser-textured surface pattern was used instead of excessive active element to enhance the wetting behavior of brazing filler on Ti₃SiC₂ ceramic substrate. The cylindrical surface pattern was designed by theoretical calculation and examined by numerical simulation. The numerical simulation results showed that the cylindrical surface pattern can...

article

Clinical implication of disturbed left atrial phasic functions in the heterogeneous population associated with hypertension or atrial fibrillation

Mengruo Zhu, Haiyan Chen, Yang Liu, Xianhong Shu

Cardiovascular Ultrasound > 2019 > 17 > 1 > 1-12

Background To evaluate left atrial (LA) phasic functions in patients with hypertension and/or paroxysmal atrial fibrillation (PAF) and its clinical significance. Methods LA strain was studied in 77 patients (25 hypertension, 24 lone AF, and 28 with both hypertension and PAF) and 28 controls using two-dimensional speckle-tracking echocardiography (2D STE). The following indexes during atrial reservoir,...

article

Angiogenin promotes colorectal cancer metastasis via tiRNA production

Siqi Li, Xiaoliang Shi, Muxiong Chen, Ningqin Xu, more

International Journal of Cancer > 145 > 5 > 1395 - 1407

Metastasis of colorectal cancer (CRC) is the leading cause of CRC‐associated mortality. Angiogenin (ANG), a member of the ribonuclease A superfamily, not only activates endothelial cells to induce tumor angiogenesis, but also targets tumor cells to promote cell survival, proliferation and/or migration. However, its clinical significance and underlying mechanism in CRC metastasis are still largely...

article

Design of phase matching chessboard‐like electromagnetic metasurfaces for wideband radar cross section reduction

Haiyan Chen, Rongbo Shen, Fengxia Li, Yang Zhou, more

Microwave and Optical Technology Letters > 61 > 9 > 2037 - 2045

In this article, a chessboard‐like electromagnetic metasurfaces which can realize the polarization compensation and cancellation of the reflection beam in microwave region is designed and realized for wideband radar cross section (RCS) reduction. The chessboard‐like electromagnetic metasurfaces are composed of a square annular artificial magnetic conductor (AMC) combination with the Jerusalem cross...

article

Diversity in the use of specialized dental services by older adults in the United States

John F. Moeller, Haiyan Chen, Richard J. Manski

Journal of Public Health Dentistry > 79 > 2 > 160 - 174

Objectives We estimated the use of any dental services and the use of specific types of dental services conditional on any dental use for adults 50 and over in the United States to analyze: a) disparities in the use of specialized dental services and b) whether older adults receiving routine dental care use fewer expensive specialized dental services. Methods We relied on data tabulations and estimated...

article

Left ventricular global longitudinal strain and mechanical dispersion predict response to multipoint pacing for cardiac resynchronization therapy

Mengruo Zhu, Haiyan Chen, Zibire Fulati, Yang Liu, more

Journal of Clinical Ultrasound > 47 > 6 > 356 - 365

Purpose To evaluate the acute effect of multipoint pacing (MPP) and search for the better baseline predictors of response to MPP for guiding patient selection. Methods We enrolled 46 heart failure patients scheduled for implantation of MPP‐enabled cardiac resynchronization therapy (CRT) devices. An acute pacing protocol including conventional CRT and MPP pacing configurations was performed after...

article

Wear Properties of Plasma Transferred Arc Fe-based Coatings Reinforced by Spherical WC Particles

Li Fan, Yaohua Dong, Haiyan Chen, Lihua Dong, more

Journal of Wuhan University of Technology-Mater. Sci. Ed. > 2019 > 34 > 2 > 433-439

Fe-based coatings reinforced by spherical WC particles were produced on the 304 stainless steel by plasma transferred arc (PTA) to enhance the surface wear properties. Three different Fe/WC composite powder mixtures containing 0wt%, 30wt%, and 60wt% of WC were investigated. The microstructure and phase composition of the Fe/WC composite PTA coatings were evaluated systemically by using scanning electron...

article

Design of the high-efficiency transmission-type polarization converter based on substrate-integrated waveguide (SIW) technology

Haiyan Chen, Liandi Han, Rui Zhao, Fengxia Li, more

Applied Physics A > 2019 > 125 > 4 > 1-7

In this paper, the design of a three-layer linear polarization converter based on substrate-integrated waveguide (SIW) technology is demonstrated. The transmission-type polarization converter with dual frequency polarization conversion characteristics is realized by a square-slot sandwiched by two layers of off-center dipole-slot resonator, and its asymmetric transmission (AT) property can be obtained...

article

The value of left ventricular strain–volume loops in predicting response to cardiac resynchronization therapy

Mengruo Zhu, Haiyan Chen, Zibire Fulati, Yang Liu, more

Cardiovascular Ultrasound > 2019 > 17 > 1 > 1-14

Background Three-dimensional (3D) speckle tracking imaging (STI) allows the simultaneous assessment of left ventricular (LV) strain and volume. We aim to explore the value of LV strain–volume loops in predicting response to cardiac resynchronization therapy (CRT). Methods Forty heart failure (HF) patients scheduled for CRT and twenty healthy individuals were enrolled. All subjects received a 3D...

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INFONA - science communication portal

Search results for: Haiyan Chen

In situ energy‐dispersive X‐ray diffraction of local phase dynamics during solvothermal growth of Cu₄O₃

Effect of sub‐cloud evaporation on precipitation in the Tianshan Mountains (Central Asia) under the influence of global warming

Design and analysis of a broadband and miniaturized linear polarized converter based on non‐Foster metasurfaces

A Bioresponsive Near‐Infrared Fluorescent Probe for Facile and Persistent Live‐Cell Tracking

Retracted: Transforming Growth Factor Beta‐1 Promotes Smooth Muscle Cell Proliferation and Migration in an Arteriovenous Fistulae: The Role of Wall Shear Stress

Skin sensitivity evaluation: What could impact the assessment results?

Does covering routine dental care for the Medicare population produce cost savings in Medicare? A preliminary 2‐year analysis

Modulation of the secondary Bjerknes force in multi-bubble systems

Patient‐tailored SyncAV algorithm: A novel strategy to improve synchrony and acute hemodynamic response in heart failure patients treated by cardiac resynchronization therapy

Left bundle branch area pacing is superior to right ventricular septum pacing concerning depolarization‐repolarization reserve

Study on depositing SiO₂ nanoparticles on the surface of jute fiber via hydrothermal method and its reinforced polypropylene composites

Effects of laser-textured surface pattern on the wetting behavior and composition optimization of brazing filler: experimental study and numerical simulation

Clinical implication of disturbed left atrial phasic functions in the heterogeneous population associated with hypertension or atrial fibrillation

Angiogenin promotes colorectal cancer metastasis via tiRNA production

Design of phase matching chessboard‐like electromagnetic metasurfaces for wideband radar cross section reduction

Diversity in the use of specialized dental services by older adults in the United States

Left ventricular global longitudinal strain and mechanical dispersion predict response to multipoint pacing for cardiac resynchronization therapy

Wear Properties of Plasma Transferred Arc Fe-based Coatings Reinforced by Spherical WC Particles

Design of the high-efficiency transmission-type polarization converter based on substrate-integrated waveguide (SIW) technology

The value of left ventricular strain–volume loops in predicting response to cardiac resynchronization therapy

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