Search results for: Ji Zhang

Items from 1 to 20 out of 987 results

article

Advancing Superconductivity with Interface Engineering

Yichen Liu, Qingxiao Meng, Pezhman Mahmoudi, Ziyi Wang, more

Advanced Materials > 36 > 42 > n/a - n/a

The development of superconducting materials has attracted significant attention not only for their improved performance, such as high transition temperature (T_C), but also for the exploration of their underlying physical mechanisms. Recently, considerable efforts have been focused on interfaces of materials, a distinct category capable of inducing superconductivity at non‐superconducting material...

article

The Polysaccharides from Pinellia ternata and Their Derivatives: Preparation, Structure Characteristics, and Activities in Vitro

Xiao‐liang Zhao, Zheng‐lei Guo, Kai‐li Qi, Qing‐song Zhou, more

Chemistry & Biodiversity > 21 > 8 > n/a - n/a

Three polysaccharides, PTC, PTH, and PTB, were extracted from Pinellia ternata using three different extraction conditions: room temperature water, hot water, and 2 % Na₂CO₃ solution. PTC and PTH were composed of rhamnose, glucose, galactose, mannose, glucuronic acid, galacturonic acid, and arabinose, which combine to form complex structures. PTB was composed solely of glucose and rhamnose. Further...

article

Promotion Effect of Catalpol on Angiogenesis and Potential Mechanisms: A Research Based on Network Pharmacology

Jin‐rong Ni, Qun‐hu Zhang, Jie‐lin Deng, Hai‐hu Wang, more

Chemical Biology & Drug Design > 104 > 2 > n/a - n/a

Catalpol, a natural iridoid glycoside, has potential therapeutic benefits, including anti‐inflammatory and neuroprotective effects. Investigating catalpol's role in angiogenesis is critical for understanding its potential therapeutic applications, particularly in diseases where modulating angiogenesis is beneficial. This study investigates catalpol's influence on angiogenesis and its mechanisms, combining...

article

A Photoinduced Three‐Component Reaction of Thianthrenium salts, DABCO ⋅ (SO₂)₂, and Benzyl Ether Substituted Alkenes

Ji Zhang, Jiayin Cen, Shengqing Ye, Danqing Zheng, more

Advanced Synthesis & Catalysis > 366 > 14 > 3130 - 3137

A photoinduced three‐component reaction of thianthrenium salts, DABCO ⋅ (SO₂)₂, and benzyl ether substituted alkenes is developed, affording δ‐hydroxylsulfones with good functional group tolerance. This transformation proceeds through an anti‐Markovnikov hydrosulfonylation of alkenes under a mild reaction condition. Mechanism studies indicates that this reaction undergoes a radical pathway involving...

article

Simultaneously realizing high energy density and high efficiency in NaNbO₃–BaTiO₃‐based ceramic capacitors

Ye Lu, Ji Zhang, Xinyi Zhao, Kedong Zhou, more

Journal of the American Ceramic Society > 107 > 9 > 6215 - 6223

Dielectric capacitors, which can achieve tremendous power density and ultrafast charge/discharge speed, are crucial components for high power equipment. Yet, the synchronous achievement in high recoverable energy density (W_rec) and high efficiency (η) is a long‐term difficulty for dielectric ceramics. Herein, the (0.85 − x)NaNbO₃–0.15BaTiO₃–xBi(Mg_1/3Ta_2/3)O₃ (NN–BT–xBMT) relaxor ferroelectric ceramics...

article

Do more children lead to greater blessings? Birth quantity and household economic risk in China

Ji Zhang, Wenjun Xiong, Yanmei Sun

Accounting & Finance > 64 > 2 > 1471 - 1490

Does the number of births in a family decrease a household's economic risk? We find that in a distribution of households by children's age stages, the economic risk of households in the middle (16–22 years) and late stages (23–38 years) appears to be more significantly affected by the dual nature of children as consumable goods and investment assets than does the risk of households in the early stage...

article

The Mediating Role of Physical Activity Self‐Efficacy in Predicting Moderate‐Intensity Physical Activity in Pregnant People at High Risk for Gestational Diabetes

Xiao Yang, Rongrong Han, Yingli Song, Ji Zhang, more

Journal of Midwifery & Women's Health > 69 > 3 > 403 - 413

Introduction Gestational diabetes mellitus (GDM) is a common medical complication in pregnancy. Moderate‐intensity physical activity during pregnancy can lower the risk of GDM. However, the relationship between moderate‐intensity physical activity and correlated factors among pregnant people at high risk for GDM remains unknown. Methods A cross‐sectional study was conducted in China. Two hundred...

article

Optical coherence tomography angiography for detection of microvascular changes in early diabetes: A systematic review and meta‐analysis

Fan Yang, Weijie Zou, Zhiwei Li, Yuanyuan Du, more

Diabetes/Metabolism Research and Reviews > 40 > 4 > n/a - n/a

Aims To evaluate the effectiveness of optical coherence tomography angiography (OCTA) in detecting early intraocular microvascular changes in diabetic patients. Materials and Methods A systematic study search was performed on PubMed, Medline, Embase, and the Cochrane Library, ranging from January 2012 to March 2023. Controlled studies compared diabetes mellitus (DM) patients with non‐diabetic retinopathy...

article

Detecting Adverse Pathology of Prostate Cancer With a Deep Learning Approach Based on a 3D Swin‐Transformer Model and Biparametric MRI: A Multicenter Retrospective Study

Litao Zhao, Jie Bao, Ximing Wang, Xiaomeng Qiao, more

Journal of Magnetic Resonance Imaging > 59 > 6 > 2101 - 2112

Background Accurately detecting adverse pathology (AP) presence in prostate cancer patients is important for personalized clinical decision‐making. Radiologists' assessment based on clinical characteristics showed poor performance for detecting AP presence. Purpose To develop deep learning models for detecting AP presence, and to compare the performance of these models with those of a clinical...

article

Optimization in the energy storage properties of Bi_0.5Na_0.5TiO₃–SrTiO₃ ceramics by introducing Bi(Mg_0.5Zr_0.5)O₃

Shunshun Jiang, Ji Zhang, Dmitry V. Karpinsky, Jinglei Li, more

Journal of the American Ceramic Society > 107 > 7 > 4846 - 4853

As one of the important electronic components, the dielectric capacitors for energy storage applications have been extensively studied in recent years. Among various dielectric materials, the perovskite oxide Bi_0.5Na_0.5TiO₃‐based ceramics have become promising candidates due to their high polarization, dielectric tunability, environment‐friendly composition, and so forth. Herein, the relaxor ferroelectric...

article

Association between depression and risk of type 2 diabetes and its sociodemographic factors modifications: A prospective cohort study in southwest China

Yanli Wu, Min Chen, Tao Liu, Jie Zhou, more

Journal of Diabetes > 15 > 11 > 994 - 1004

Background Depression may be associated with the risk of developing type 2 diabetes. The goal of this study was to explore the association of severe of depression with the risk of type 2 diabetes in adults in Guizhou, China. Methods A 10‐year prospective cohort study of 7158 nondiabetes adults aged 18 years or older was conducted in Guizhou, southwest China from 2010 to 2020. The Patient Health...

article

Single‐cell profiling of ineffective erythropoiesis in a mouse model of β‐thalassaemia intermedia

Yuanliang Peng, Long Liang, Haihang Zhang, Hong Liu, more

British Journal of Haematology > 201 > 5 > 982 - 994

Beta‐thalassaemia is an inherited haemoglobin disorder characterised by ineffective erythropoiesis (IE). The detailed pathogenesis of IE remains unclear. In this study, we used single‐cell RNA sequencing (scRNA‐seq) to examine IE in Th3/+ β‐thalassaemic mice. The results showed that the erythroid group was remarkably expanded, and genes involved in biological processes such as iron metabolism, haeme...

article

Basic performance, heavy metal leaching mechanism and risk assessment analysis of waste concrete

Chao-qiang Wang, Lin-xiao Cheng, Qi-cong Huang, Zhong-he Shui, more

Archives of Civil and Mechanical Engineering > 2023 > Vol. 23, no. 2 > art. no. e122, 2023

With the acceleration of urbanization, the production of waste concrete is getting higher and higher. A large amount of outdoor accumulations of waste concrete will leach heavy metals, not only causing harm to the soil, but also posing a risk to human health. Based on this, this paper systematically studies the basic physical properties and microstructure (XRF, XRD, and SEM-EDS) of outdoor natural...

article

Extracellular ATP sensing in living plant tissues with a genetically encoded, ratiometric fluorescent sensor

Zhenzhen Shi, Yuejing Zhang, Xin Wang, Hailong Pang, more

New Phytologist > 238 > 4 > 1343 - 1350

article

Electrostatic energy storage performances of La(Ni_2/3Ta_1/3)O₃‐modified Na_0.5Bi_0.5TiO₃ lead‐free ceramics

Nan Weng, Ji Zhang, Jiajia Wang, Tianze Pan, more

Journal of the American Ceramic Society > 106 > 5 > 2963 - 2971

Ceramic capacitors with high electrostatic energy storage performances have captured much research interest in latest years. Sodium bismuth titanate (Na_0.5Bi_0.5TiO₃)‐based ferroelectric ceramics show great potential due to their environment‐friendly composition, high polarization, and excellent relaxor properties. However, the nonergodic relaxor state of Na_0.5Bi_0.5TiO₃‐based ceramics hampers the decrement...

article

Ternary copolymers from carbon dioxide, cyclohexane dicarboxylic anhydride, and propylene oxide with improved thermal and mechanical properties

Qingshuo Li, Ji Zhang, Yudong Zhang, Yue Su, more

Polymers for Advanced Technologies > 34 > 3 > 832 - 839

In this study, for the first time, we used cyclohexane dicarboxylic anhydride (CH) as the third monomer to terpolymerize with carbon dioxide (CO₂) and propylene oxide (PO) under the catalysis of zinc glutarate (ZnGA). Incorporating cis‐CH (C‐CH) and trans‐CH (T‐CH) into poly(propylene carbonate) (PPC) improved the thermal and mechanical properties and increased the polymer molecular weight and yield...

article

2‐Methylimidazole‐assisted Morphology Modulation of a Copper‐based Metal‐organic Framework Transducer for Enhanced Electrochemical Peroxidase‐like Activity

Junji Li, Zi‐Xuan Liu, Yi‐Xuan Li, Guofang Shu, more

Electroanalysis > 35 > 1 > n/a - n/a

A tailored metal‐organic framework transducer material Cu−BDC(NH₂)@2‐MI was synthesized with 2‐methylimidazole as competitive ligand for the modulation of its morphology and catalytic activity. 2‐MI effectively helped the deprotonation of 2‐aminoterephthalic acid and enabled the fast generation of MOF crystals at room temperature. More importantly, this 2‐MI‐doped MOF exhibited well‐tuned morphology...

article

Enhanced electromechanical properties in MnCO₃‐modified Pb(Ni,Nb)O₃–PbZrO₃–PbTiO₃ ceramics via defect and domain engineering

Shuhao Wang, Xiang Li, Jiajia Wang, Xiaojun Wu, more

Journal of the American Ceramic Society > 106 > 3 > 1970 - 1980

The development of piezoelectric ceramics with both large piezoelectric responses and mechanical quality factor is still a key challenge for practical applications for high‐power piezoelectric devices. Here we report the strategy to utilize the synergistic contribution of engineered defect and domain structure, in which an excellent piezoelectric coefficient d₃₃ of 655 pC N⁻¹ and mechanical quality...

article

All‐Ceramic Flexible Piezoelectric Energy Harvester

Yang Liu, Libo Ding, Le Dai, Xuan Gao, more

Advanced Functional Materials > 32 > 52 > n/a - n/a

With the rapid development of self‐powered electronics such as wearables, implantable devices, and sensor networks, there is an increasing demand for power sources that have a high power density and a long lifespan to keep the entire system operational. Flexible piezoelectric materials with the capability of mechanical‐to‐electrical energy conversion have attracted significant interest because of...

article

2D Zn‐Porphyrin‐Based Co(II)‐MOF with 2‐Methylimidazole Sitting Axially on the Paddle–Wheel Units: An Efficient Electrochemiluminescence Bioassay for SARS‐CoV‐2

Yi‐Xuan Li, Jing Li, Dunru Zhu, Ju‐Zheng Wang, more

Advanced Functional Materials > 32 > 48 > n/a - n/a

High electrocatalytic activity with tunable luminescence is crucial for the development of electrochemiluminescence (ECL) luminophores. In this study, a porphyrin‐based heterobimetallic 2D metal organic framework (MOF), [(ZnTCPP)Co₂(MeIm)] (1), is successfully self‐assembled from the zinc(II) tetrakis(4‐carboxyphenyl)porphine (ZnTCPP) linker and cobalt(II) ions in the presence of 2‐methylimidazole...

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INFONA - science communication portal

Search results for: Ji Zhang

Advancing Superconductivity with Interface Engineering

The Polysaccharides from Pinellia ternata and Their Derivatives: Preparation, Structure Characteristics, and Activities in Vitro

Promotion Effect of Catalpol on Angiogenesis and Potential Mechanisms: A Research Based on Network Pharmacology

A Photoinduced Three‐Component Reaction of Thianthrenium salts, DABCO ⋅ (SO₂)₂, and Benzyl Ether Substituted Alkenes

Simultaneously realizing high energy density and high efficiency in NaNbO₃–BaTiO₃‐based ceramic capacitors

Do more children lead to greater blessings? Birth quantity and household economic risk in China

The Mediating Role of Physical Activity Self‐Efficacy in Predicting Moderate‐Intensity Physical Activity in Pregnant People at High Risk for Gestational Diabetes

Optical coherence tomography angiography for detection of microvascular changes in early diabetes: A systematic review and meta‐analysis

Detecting Adverse Pathology of Prostate Cancer With a Deep Learning Approach Based on a 3D Swin‐Transformer Model and Biparametric MRI: A Multicenter Retrospective Study

Optimization in the energy storage properties of Bi_0.5Na_0.5TiO₃–SrTiO₃ ceramics by introducing Bi(Mg_0.5Zr_0.5)O₃

Association between depression and risk of type 2 diabetes and its sociodemographic factors modifications: A prospective cohort study in southwest China

Single‐cell profiling of ineffective erythropoiesis in a mouse model of β‐thalassaemia intermedia

Basic performance, heavy metal leaching mechanism and risk assessment analysis of waste concrete

Extracellular ATP sensing in living plant tissues with a genetically encoded, ratiometric fluorescent sensor

Electrostatic energy storage performances of La(Ni_2/3Ta_1/3)O₃‐modified Na_0.5Bi_0.5TiO₃ lead‐free ceramics

Ternary copolymers from carbon dioxide, cyclohexane dicarboxylic anhydride, and propylene oxide with improved thermal and mechanical properties

2‐Methylimidazole‐assisted Morphology Modulation of a Copper‐based Metal‐organic Framework Transducer for Enhanced Electrochemical Peroxidase‐like Activity

Enhanced electromechanical properties in MnCO₃‐modified Pb(Ni,Nb)O₃–PbZrO₃–PbTiO₃ ceramics via defect and domain engineering

All‐Ceramic Flexible Piezoelectric Energy Harvester

2D Zn‐Porphyrin‐Based Co(II)‐MOF with 2‐Methylimidazole Sitting Axially on the Paddle–Wheel Units: An Efficient Electrochemiluminescence Bioassay for SARS‐CoV‐2

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