Search results for: Weiwei Dong

Items from 1 to 20 out of 84 results

article

Olivine‐Type Fe₂GeX₄ (X = S, Se, and Te): A Novel Class of Anode Materials for Exceptional Sodium Storage Performance

Xinyu Wang, Xin Du, Jiangli Luo, Longhui Li, more

Advanced Materials > 36 > 39 > n/a - n/a

The introduction of abundant metals to form ternary germanium‐based chalcogenides can dilute the high price and effectively buffer the volume variation of germanium. Herein, olivine‐structured Fe₂GeX₄ (X = S, Se, and Te) are synthesized by a chemical vapor transport method to compare their sodium storage properties. A series of in situ and ex situ measurements validate a combined intercalation‐conversion‐alloying...

article

Strong Swelling and Symmetrization in Siliceous Zeolites due to Hydrogen Insertion at High Pressure

Mario Santoro, Jérôme Rouquette, Marco Fabbiani, Francesco Renzo, more

Angewandte Chemie > 136 > 31 > n/a - n/a

Hydrogen and helium saturate the 1D pore systems of the high‐silica (Si/Al>30) zeolites Theta‐One (TON), and Mobile‐Twelve (MTW) at high pressure based on x‐ray diffraction, Raman spectroscopy and Monte Carlo simulations. In TON, a strong 22 % volume increase occurs above 5 GPa with a transition from the collapsed P2₁ to a symmetrical, swelled Cmc2₁ form linked to an increase in H₂ content from...

article

Strong Swelling and Symmetrization in Siliceous Zeolites due to Hydrogen Insertion at High Pressure

Mario Santoro, Jérôme Rouquette, Marco Fabbiani, Francesco Renzo, more

Angewandte Chemie International Edition > 63 > 31 > n/a - n/a

article

Effect of WC Particle Size on Microstructure and Mechanical Properties of WC‐10CoCrFeNiAl Composites

Jiaqi Hui, Xike Sun, Yingnan Zhou, Weiwei Dong, more

Advanced Engineering Materials > 25 > 21 > n/a - n/a

The present study focuses on the synthesis of three distinct WC‐HEA hard alloys using the SPS method, using three different grades of tungsten carbide with varying particle sizes. Subsequently, an investigation is conducted to analyze the influence of WC particle size on the microstructure and properties of WC‐10CoCrFeNiAl hard alloys. Additionally, an investigation was conducted to assess the influence...

article

U3 snoRNA‐mediated degradation of ZBTB7A regulates aerobic glycolysis in isocitrate dehydrogenase 1 wild‐type glioblastoma cells

Weiwei Dong, Yunhui Liu, Ping Wang, Xuelei Ruan, more

CNS Neuroscience & Therapeutics > 29 > 10 > 2811 - 2825

Aims The isocitrate dehydrogenase (IDH) phenotype is associated with reprogrammed energy metabolism in glioblastoma (GBM) cells. Small nucleolar RNAs (snoRNAs) are known to exert an important regulatory role in the energy metabolism of tumor cells. The purpose of this study was to investigate the role of C/D box snoRNA U3 and transcription factor zinc finger and BTB domain‐containing 7A (ZBTB7A)...

article

Enhanced the Efficiency of Electrocatalytic CO₂‐to‐CO Conversion by Cd Species Anchored into Metal‐Organic Framework

Jie Yang, Jingkun Yu, Weiwei Dong, Dexin Yang, more

Small > 19 > 35 > n/a - n/a

Metal‐organic frameworks (MOFs) as a promising platform for electrocatalytic CO₂ conversion are still restricted by the low efficiency or unsatisfied selectivity for desired products. Herein, zirconium‐based porphyrinic MOF hollow nanotubes with Cd sites (Cd‐PCN‐222HTs) are reported for electrocatalytic CO₂‐to‐CO conversion. The dispersed Cd species are anchored in PCN‐222HTs and coordinated by N...

article

Preparation of High‐Performance WC–MgO Composites by Spark Plasma Sintering

Jiayu Qin, Jiaqi Hui, Weiwei Dong, Yunfeng Bai, more

Advanced Engineering Materials > 24 > 12 > n/a - n/a

Herein, tungsten carbide (WC)–4.3 wt% MgO composite powders are synthesized by high‐energy planetary ball milling method and then consolidated by spark plasma sintering (SPS). Submicrometer WC–MgO composite powders are consolidated to obtain a nearly complete density of WC–MgO composites (99.15%). The nanosized MgO distributed along the WC grains in WC–MgO composite plays an important role of dispersion...

article

Fe_0.79Si_0.07B_0.14 metallic glass gaskets for high‐pressure research beyond 1 Mbar

Weiwei Dong, Konstantin Glazyrin, Saiana Khandarkhaeva, Timofey Fedotenko, more

Journal of Synchrotron Radiation > 29 > 5 > 1167 - 1179

A gasket is an important constituent of a diamond anvil cell (DAC) assembly, responsible for the sample chamber stability at extreme conditions for X‐ray diffraction studies. In this work, we studied the performance of gaskets made of metallic glass Fe_0.79Si_0.07B_0.14 in a number of high‐pressure X‐ray diffraction (XRD) experiments in DACs equipped with conventional and toroidal‐shape diamond anvils...

article

Preparation of cationic viscose and its salt‐free dyeing using reactive dye

Yue Li, Shixiong Zhai, Weiwei Dong, Chengjian Yao, more

Coloration Technology > 138 > 4 > 378 - 387

The traditional dyeing process of reactive dyes requires a large amount of inorganic salts to accelerate the combination of dyes and textiles, which leads to substantially more water pollution. In this work, we used a quaternary ammonium‐type cationic modifier, 3‐chloro‐2‐hydroxypropyl trimethylammonium chloride (CHPTAC), to modify the viscose acetal fibre before the dyeing process. After the modification,...

article

Street‐level bureaucrats as policy entrepreneurs: Action strategies for flexible community governance in China

Liwei Zhang, Ji Zhao, Weiwei Dong

Public Administration > 99 > 3 > 469 - 483

Street‐level bureaucrats (SLBs) can act as policy entrepreneurs to cope with the dilemmas in policy implementation. However, there is insufficient knowledge about whether the strategies adopted by them that SLBs in the role of policy entrepreneurs are institution sensitive. In addition, there is insufficient knowledge regarding the elements that impel and support such entrepreneurial actions. Based...

article

Two‐stage surgical treatment of giant congenital melanocytic nevus around the auricle

Weiwei Dong, Yupeng Song, Haiyue Jiang, Bo Pan, more

Journal of Cosmetic Dermatology > 19 > 12 > 3315 - 3322

Background This study presents the results of complete excision of giant congenital melanocytic nevi (GCMN) on the auricle, forehead, or periorbital area combined with tissue expansion, and skin graft transplantation performed in two stages based on 10 years of experience. Aims To solve the giant congenital melanocytic nevi on the auricle, forehead, or periorbital area with two‐stage operation...

article

Characterisation and comparison of the microflora of traditional and pure culture xiaoqu during the baijiu liquor brewing process

Weiwei Dong, Qiang Yang, Yuxiang Liao, Yuancai Liu, more

Journal of the Institute of Brewing > 126 > 2 > 213 - 220

Light flavour baijiu, one the three major types of liquor in China, is popular with consumers, particularly in northern China. To understand how microbial communities and physical and biochemical properties change during the brewing process, two groups of xiaoqu ‐ traditional and pure culture ‐ were used for fermentation. High‐throughput sequencing (HTS) combined with isolation and identification...

article

Analysis of bacterial communities in pit mud from Zhijiang Baijiu distillery using denaturing gradient gel electrophoresis and high‐ throughput sequencing

Guangxun Tan, Yuanliang Hu, Yinna Huang, Huanming Liu, more

Journal of the Institute of Brewing > 126 > 1 > 90 - 97

Zhijiang Baijiu is a Chinese strong flavour liquor produced using a traditional Chinese solid state fermentation involving microorganisms in pit mud on cellar walls. In this study, pit mud samples were collected from three different cellars in a Zhijiang Baijiu distillery ranging in age from 10 to 20 and 30 years. The bacterial communities were analysed using denaturing gradient gel electrophoresis,...

article

Development of 28 EST‐SSR markers based on transcriptome sequences of Gobiobotia filifer and cross‐species amplification

Weiwei Dong, Huiwu Tian, Dengqiang Wang, Lixiong Yu, more

Journal of Applied Ichthyology > 35 > 6 > 1295 - 1299

Gobiobotia filifer is a small benthic fish distributed in Yangtze River Basin. The abundance of G. filifer increased after impoundment of Xiluodu Dam and Xiangjiaba Dam. The state of population structure and changes of genetic diversity before and after impoundment of Xiluodu Dam and Xiangjiaba Dam were interesting issues. However, efficient molecular markers were rare, which will limit us to solve...

article

Capsular warning syndrome: clinical analysis and treatment

Lanying He, Ronghua Xu, Jian Wang, Lili Zhang, more

BMC Neurology > 2019 > 19 > 1 > 1-7

Background Capsular warning syndrome (CWS) is a rare clinical syndrome, which is defined as a recurrent transient lacunar syndrome. The mechanism and clinical management of CWS remain unclear. The aim of the study was to discuss the clinical characteristics of CWS and evaluate the different outcome between rt-PA and no rt-PA therapy. Methods The present multicenter retrospective study involved three...

article

Prestroke statins use reduces oxidized low density lipoprotein levels and improves clinical outcomes in patients with atrial fibrillation related acute ischemic stroke

Lanying He, Ronghua Xu, Jian Wang, Lili Zhang, more

BMC Neurology > 2019 > 19 > 1 > 1-8

Background Atrial fibrillation (AF) is a common cause of cerebral infarction, which could lead to endothelial dysfunction, increased reactive oxygen species (ROS) and oxidized low density lipoprotein (Ox-LDL).AF is associated with higher mortality and more severe neurologic disability. Statins may exert neuroprotective effects that are independent of LDL-C lowering. The purpose of our study was to...

article

Effect of CO gas on surface profile and magnetic properties of Fe–Si–B amorphous ribbons

Weiwei Dong, Guohua Bai, Shengbo Yi, Mi Yan

Journal of Materials Science: Materials in Electronics > 2019 > 30 > 13 > 11843- 11850

The Fe–Si–B amorphous ribbons with various CO ventilation amount were prepared by planar-flow melt spinning method. The effect of CO gas on surface quality, magnetic properties and core loss of amorphous ribbons were investigated. With the increasing CO ventilation, the wheel side surface roughness, average air pocket size and air pocket quality decrease, the ribbon grows thicker, but air side surface...

article

Influence of energy bandwidth of pink beam on small angle X-ray scattering

Shanfeng Wang, Yaxiang Liang, Bingjie Wang, Weiwei Dong, more

Radiation Detection Technology and Methods > 2019 > 3 > 1 > 1-8

Background Compared with the traditional monochromatic synchrotron radiation beam, a pink beam is a quasi-monochromatic beam which can be obtained by screening a harmonic of the undulator. The energy bandwidth ($$\Delta E{/}E$$ ΔE/E ) of a pink beam is about $$10^{-2}$$ 10-2 . Despite the intensity gain from the quasi-monochromatic beam, the decrease in the energy resolution will lead the collected...

article

Characterization and on‐line adjustment of the sagittal‐bent Laue crystal profile

Weiwei Dong, Quan Cai, Fugui Yang, Xu Liu, more

Journal of Synchrotron Radiation > 25 > 5 > 1346 - 1353

The sagittal‐bent Laue monochromator can provide an ideal way to focus high‐energy X‐ray beams. However, the anticlastic curvature induced by sagittal bending has a great influence on the crystal performance. Thus, characterizing the bent‐crystal shape is very important for predicting the performance of the bent‐crystal monochromator. In this paper the crystal profile is measured by off‐line optical...

article

The clinical prognostic significance of hs-cTnT elevation in patients with acute ischemic stroke

Lanying He, Jian Wang, Weiwei Dong

BMC Neurology > 2018 > 18 > 1 > 1-5

Background Cardiac autonomic dysfunction caused by ischemic stroke might lead to an adverse outcome. Elevated high sensitivity cardiac troponin (hs-cTnT) is a marker of cardiac disease, it can elevate in acute stroke patients. The aim of the present study was to investigate association between serum hs-cTnT with prognosis among patients with acute ischemic stroke. Methods Five hundred and sixteen...

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INFONA - science communication portal

Search results for: Weiwei Dong

Olivine‐Type Fe₂GeX₄ (X = S, Se, and Te): A Novel Class of Anode Materials for Exceptional Sodium Storage Performance

Strong Swelling and Symmetrization in Siliceous Zeolites due to Hydrogen Insertion at High Pressure

Strong Swelling and Symmetrization in Siliceous Zeolites due to Hydrogen Insertion at High Pressure

Effect of WC Particle Size on Microstructure and Mechanical Properties of WC‐10CoCrFeNiAl Composites

U3 snoRNA‐mediated degradation of ZBTB7A regulates aerobic glycolysis in isocitrate dehydrogenase 1 wild‐type glioblastoma cells

Enhanced the Efficiency of Electrocatalytic CO₂‐to‐CO Conversion by Cd Species Anchored into Metal‐Organic Framework

Preparation of High‐Performance WC–MgO Composites by Spark Plasma Sintering

Fe_0.79Si_0.07B_0.14 metallic glass gaskets for high‐pressure research beyond 1 Mbar

Preparation of cationic viscose and its salt‐free dyeing using reactive dye

Street‐level bureaucrats as policy entrepreneurs: Action strategies for flexible community governance in China

Two‐stage surgical treatment of giant congenital melanocytic nevus around the auricle

Characterisation and comparison of the microflora of traditional and pure culture xiaoqu during the baijiu liquor brewing process

Analysis of bacterial communities in pit mud from Zhijiang Baijiu distillery using denaturing gradient gel electrophoresis and high‐ throughput sequencing

Development of 28 EST‐SSR markers based on transcriptome sequences of Gobiobotia filifer and cross‐species amplification

Capsular warning syndrome: clinical analysis and treatment

Prestroke statins use reduces oxidized low density lipoprotein levels and improves clinical outcomes in patients with atrial fibrillation related acute ischemic stroke

Effect of CO gas on surface profile and magnetic properties of Fe–Si–B amorphous ribbons

Influence of energy bandwidth of pink beam on small angle X-ray scattering

Characterization and on‐line adjustment of the sagittal‐bent Laue crystal profile

The clinical prognostic significance of hs-cTnT elevation in patients with acute ischemic stroke

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