Wyniki wyszukiwania dla: Jian Zheng

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STOP1 regulates CCX1‐mediated Ca²⁺ homeostasis for plant adaptation to Ca²⁺ deprivation

Wen Hao Tian, Wen Yan Cai, Chun Quan Zhu, Ya Li Kong, więcej

Journal of Integrative Plant Biology > 66 > 10 > 2126 - 2139

Calcium (Ca) is essential for plant growth and stress adaptation, yet its availability is often limited in acidic soils, posing a major threat to crop production. Understanding the intricate mechanisms orchestrating plant adaptation to Ca deficiency remains elusive. Here, we show that the Ca deficiency‐enhanced nuclear accumulation of the transcription factor SENSITIVE TO PROTON RHIZOTOXICITY 1 (STOP1)...

artykuł

Synergistically enhanced dielectric properties and thermal conductivity in percolating flaky copper/poly(vinylidene fluoride) nanocomposites via engineering magnesium oxide as a buffer interlayer

Xiaolong Chen, Wenying Zhou, Xingxing Meng, Yajuan Lv, więcej

Journal of Applied Polymer Science > 141 > 41 > n/a - n/a

High dielectric constant (ε), thermal conductivity (TC), and breakdown strength (E_b) along with low loss flexible polymeric nanocomposites display multifunctional applications. In this work, to synergistically bolster the TC and E_b while restraining dielectric loss and leakage current in the percolating flaky copper (f‐Cu)/poly(vinylidene fluoride) (PVDF), presenting a giant ε, the core@shell structured...

artykuł

Sleep Deprivation Induces Gut Damage via Ferroptosis

Zi‐Jian Zheng, Hai‐Yi Zhang, Ya‐Lin Hu, Yan Li, więcej

Journal of Pineal Research > 76 > 5 > n/a - n/a

Sleep deprivation (SD) has been associated with a plethora of severe pathophysiological syndromes, including gut damage, which recently has been elucidated as an outcome of the accumulation of reactive oxygen species (ROS). However, the spatiotemporal analysis conducted in this study has intriguingly shown that specific events cause harmful damage to the gut, particularly to goblet cells, before the...

artykuł

Uranyl‐Organic Framework as Hydrogen Atom Transfer Catalyst for Visible‐Light‐Driven Heterogeneous Hydroacylation of Azodicarboxylates

Lei Chen, Ke‐Xin Tan, Zhi‐Jian Zheng, Xiao‐Ling Lin, więcej

European Journal of Organic Chemistry > 27 > 15 > n/a - n/a

The direct C−H to C−N bond conversion at room temperature using heterogeneous visible‐light catalysts is both interesting and challenging. Herein, we disclosed visible‐light‐promoted hydroacylation of azodicarboxylates using uranyl‐organic framework [UO₂(OH)(cpt)]_n (Ucpt, Hcpt=4‐(4′‐carboxyphenyl)‐1,2,4‐triazole) as an efficient heterogeneous hydrogen atom transfer photocatalyst. In this procedure,...

artykuł

3D‐Architected low melting point alloys foam microstructure‐reinforced polymer composite with superior stiffness‐switchable for soft actuator

Yahao Liu, Yuansheng Wang, Xue Yang, Jian Zheng, więcej

Polymer Composites > 44 > 12 > 8805 - 8818

Stiffness variable materials have aroused extensive research interest in smart devices, especially in soft actuators. However, achieving materials with high stiffness switch range remains challenging. Here, a novel three‐dimensional (3D) lightweight Field's metal (FM) foam was developed. Meanwhile, the polymer composite (SUFF) with superior stiffness switchable capacity was fabricated by embedding...

artykuł

Reshaping Zinc Plating/Stripping Behavior by Interfacial Water Bonding for High‐Utilization‐Rate Zinc Batteries

Xin Yang, Ziyi Zhang, Meiling Wu, Zai‐Ping Guo, więcej

Advanced Materials > 35 > 49 > n/a - n/a

Aqueous zinc batteries have emerged as promising energy storage devices; however, severe parasitic reactions lead to the exacerbated production of Zn dendrites that decrease the utilization rate of Zn anodes. Decreasing the electrolyte content and regulating the water activity are efficient means to address these issues. Herein, this work shows that limiting the aqueous electrolyte and bonding water...

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Morphological engineering of SiO₂ interlayer towards meliorative dielectric and thermal properties in β‐SiC_w@SiO₂/PVDF composites

Jian Zheng, Ming Gong, Wenying Zhou, Weiwei Peng, więcej

Polymer Composites > 44 > 9 > 6178 - 6193

Polymers with high thermal conductivity (TC) and dielectric constant (ε) but low dielectric loss show enormously potential applications in electrical power systems. To enhance the ε and TC while significantly suppressing the loss of β‐silicon carbide whisker (β‐SiC_w)/polyvinylidene fluoride (PVDF), in this study, SiO₂ shells with different morphologies were constructed on the superficies of β‐SiC...

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Recent progress of elastomer–silica nanocomposites toward green tires: simulation and experiment

Xiu Li, Jun Liu, Zi‐Jian Zheng

Polymer International > 72 > 9 > 764 - 782

The concern regarding increasing oil consumption that originates from the high rolling resistance of automobiles has led to the development of green tires. The key enabling technique for preparing green tires involves the utilization of elastomer–silica nanocomposites. Elastomer–silica nanocomposites usually show low rolling resistance because of the intrinsic lubrication characteristics of siloxane...

artykuł

Electron Redistribution Enables Redox‐Resistible Li₆PS₅Cl towards High‐Performance All‐Solid‐State Lithium Batteries

Chong Liu, Butian Chen, Tianran Zhang, Jicheng Zhang, więcej

Angewandte Chemie > 135 > 22 > n/a - n/a

Sulfide electrolytes with high ionic conductivity hold great promise for all‐solid‐state lithium batteries. However, the parasitic redox reactions between sulfide electrolyte and Li metal result in interfacial instability and rapid decline of the battery performance. Herein, a redox‐resistible Li₆PS₅Cl (LPSC) electrolyte is created by regulating the electron distribution in LPSC with Mg and F incorporation...

artykuł

Electron Redistribution Enables Redox‐Resistible Li₆PS₅Cl towards High‐Performance All‐Solid‐State Lithium Batteries

Chong Liu, Butian Chen, Tianran Zhang, Jicheng Zhang, więcej

Angewandte Chemie International Edition > 62 > 22 > n/a - n/a

artykuł

ART1 and putrescine contribute to rice aluminum resistance via OsMYB30 in cell wall modification

Li Jun Gao, Xiang Pei Liu, Ke Ke Gao, Meng Qi Cui, więcej

Journal of Integrative Plant Biology > 65 > 4 > 934 - 949

Cell wall is the first physical barrier to aluminum (Al) toxicity. Modification of cell wall properties to change its binding capacity to Al is one of the major strategies for plant Al resistance; nevertheless, how it is regulated in rice remains largely unknown. In this study, we show that exogenous application of putrescines (Put) could significantly restore the Al resistance of art1, a rice mutant...

artykuł

Construction of high density genetic map and quantitative trait locus mapping in a sorghum Tx623A × sudangrass S722 population

Wenmiao Tu, Lihua Wang, Peng Jin, Ruirui Meng, więcej

Grassland Science > 69 > 2 > 132 - 141

Sorghum–sudanense is a hybrid of sorghum and Sudanese grass and is widely used in animal husbandry and aquaculture because of its high yield, excellent quality and wide adaptability. Using high‐throughput sequencing, we constructed a high‐density genetic map of sorghum Tx623A × sudangrass S722 with 103 recombinant inbred lines (RILs) in this study and mapped quantitative trait loci (QTLs) for plant...

artykuł

Single‐Atom Pd‐N₄ Catalysis for Stable Low‐Overpotential Lithium‐Oxygen Battery

Jian Zheng, Wenjing Zhang, Ruoyu Wang, Junkai Wang, więcej

Small > 19 > 10 > n/a - n/a

The critical challenge for Li‐O₂ batteries lies in the large charge overpotential, leading to undesirable side reactions and inferior cycle stability. Single‐atom catalysts have shown promising prospects in expediting the kinetics of oxygen evolution reaction (OER) for Li‐O₂ batteries. However, a present practical drawback is the limited understanding of the correlation between the unique atomic structures...

artykuł

Selective corrosion of cast nickel–aluminum bronze in seawater

Jian Zheng, Ranran Liu, Lingling Ning

Materials and Corrosion > 74 > 3 > 364 - 372

Based on a failure analysis of cut‐off valves, this study investigated the selective corrosion behavior of cast nickel–aluminum bronze (NAB) by an immersion corrosion test and explained it with energy dispersive spectroscopy and microanalysis. Fracture analysis and finite element numerical simulation results showed that the joints of valve discs and seal rings were corroded first. Cast NAB contains...

artykuł

Efficient Carrier Confinement in AlGaN‐Based Deep‐Ultraviolet Light‐Emitting Diodes with a Composition‐Graded Electron‐Blocking Layer

Wei-Te Ye, Zai-Jun Cheng, Zhi-Yu Ren, Chen Li, więcej

physica status solidi (a) > 220 > 2 > n/a - n/a

The serious electron leakage and poor transport of hole injection layers in deep‐ultraviolet (DUV) light‐emitting diodes (LEDs) lead to an imbalance between the hole and electron currents, which reduces the device's performance. Herein, a new DUV LED structure is designed. The aluminum composition of the p‐type electron‐blocking layer (p‐EBL) gradually decreases from 0.95 to 0.75 along the growth...

artykuł

Insights into concomitant enhancements of dielectric properties and thermal conductivity of PVDF composites filled with core@double‐shell structured Zn@ZnO@PS particles

Tian Yao, Wenying Zhou, Weiwei Peng, Juanjuan Zhou, więcej

Journal of Applied Polymer Science > 139 > 44 > n/a - n/a

In order to synchronously improve dielectric permittivity (ε′), breakdown strength (E_b), and thermal conductivity (TC) while inhibiting dissipation factor (tan δ) of raw Zn (Zinc)/PVDF (poly[vinylidene fluoride]) composites, two kinds of core‐shell structured particles of Zn@ZnO (zinc oxide) and Zn@ZnO@PS (polystyrene) were synthesized by high‐temperature oxidation followed by suspension polymerization,...

artykuł

Temporal convolution network‐based time frequency domain integrated model of multiple arch dam deformation and quantification of the load impact

Xin Wu, Dong‐Jian Zheng, Yong‐Tao Liu, Zhuo‐Yan Chen, więcej

Structural Control and Health Monitoring > 29 > 11 > n/a - n/a

Deformation is an intuitive reflection of the safety status of a dam. The construction of a dam deformation prediction model can predict the deformation and interpret the effects of environmental loads. The current research mainly focuses on the predictive ability of the model and rarely involves the interpretation of the load impact on deformation. Meanwhile, the selection of the model factors, such...

artykuł

Improved Performance of InGaN/AlGaN Multiple‐Quantum‐Well Near‐UV Light‐Emitting Diodes with Convex Barriers and Staggered Wells

Li-E. Cai, Chao-Zhi Xu, Hao-Xiang Lin, Jin-Jian Zheng, więcej

physica status solidi (a) > 219 > 19 > n/a - n/a

The physical mechanism of improving the photoelectric performance of InGaN/AlGaN‐based near UV light‐emitting diode (LED) with convex quantum barrier and staggered quantum well (QW) is studied by numerical simulation. The simulation results indicate that the voltage–current characteristics of the LED structure with convex quantum barrier and staggered QW are effectively improved compared with the...

artykuł

Abscisic acid‐dependent PMT1 expression regulates salt tolerance by alleviating abscisic acid‐mediated reactive oxygen species production in Arabidopsis

Qi Yu He, Jian Feng Jin, He Qiang Lou, Feng Feng Dang, więcej

Journal of Integrative Plant Biology > 64 > 9 > 1803 - 1820

Phosphocholine (PCho) is an intermediate metabolite of nonplastid plant membranes that is essential for salt tolerance. However, how PCho metabolism modulates response to salt stress remains unknown. Here, we characterize the role of phosphoethanolamine N‐methyltransferase 1 (PMT1) in salt stress tolerance in Arabidopsis thaliana using a T‐DNA insertional mutant, gene‐editing alleles, and complemented...

artykuł

ED₅₀ and ED₉₅ of propofol combined with different doses of esketamine for children undergoing upper gastrointestinal endoscopy: A prospective dose‐finding study using up‐and‐down sequential allocation method

Xiao‐Su Zheng, Yang Shen, Yan‐Yan Yang, Pan He, więcej

Journal of Clinical Pharmacy and Therapeutics > 47 > 7 > 1002 - 1009

What is known and objective Propofol and esketamine are routine anaesthetics used in sedation or general anaesthesia for paediatric procedures. Coadministration could reduce the dose of either propofol or esketamine required and lower the incidence of drug‐related adverse events. We designed a four‐arm randomized controlled trial in children undergoing diagnostic upper gastrointestinal endoscopy...

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