Search results for: Bei Zhou

Items from 1 to 20 out of 87 results

article

K‐Doping Suppresses Oxygen Redox in P2‐Na_0.67Ni_0.11Cu_0.22Mn_0.67O₂ Cathode Materials for Sodium‐Ion Batteries

Bei Zhou, Deniz Wong, Zhongheng Fu, Hao Guo, more

Small > 20 > 43 > n/a - n/a

In P2‐type layered oxide cathodes, Na site‐regulation strategies are proposed to modulate the Na⁺ distribution and structural stability. However, their impact on the oxygen redox reactions remains poorly understood. Herein, the incorporation of K⁺ in the Na layer of Na_0.67Ni_0.11Cu_0.22Mn_0.67O₂ is successfully applied. The effects of partial substitution of Na⁺ with K⁺ on electrochemical properties,...

article

The effects of pks⁺ Escherichia coli and bile acid in colorectal tumorigenesis among people with cholelithiasis or cholecystectomy

Si‐Yuan Pan, Cheng‐Bei Zhou, Jia‐Wen Deng, Yi‐Lu Zhou, more

Journal of Gastroenterology and Hepatology > 39 > 5 > 868 - 879

Background and Aim Patients with cholelithiasis (CL) or cholecystectomy (CE) would have more chances of getting colorectal adenoma (CRA) or cancer (CRC). We aimed to figure out the effects of gut microbiota and bile acid on colorectal neoplasm in CL and CE patients. Methods This was a retrospective observational study that recruited 514 volunteers, including 199 people with normal gallbladders...

article

Cover Picture: Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries (Angew. Chem. Int. Ed. 7/2024)

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, more

Angewandte Chemie International Edition > 63 > 7 > n/a - n/a

The high‐entropy approach is applied to a monoclinic Prussian white material, introducing an innovative concept for developing robust cathodes for use in Na‐ion batteries. In their Research Article (e202315371), Torsten Brezesinski, Ben Breitung, Yanjiao Ma and co‐workers demonstrate that enhanced performance is linked to increased configurational entropy, and a proposed mechanism underscores the...

article

Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, more

Angewandte Chemie International Edition > 63 > 7 > n/a - n/a

The high‐entropy approach is applied to monoclinic Prussian White (PW) Na‐ion cathodes to address the issue of unfavorable multilevel phase transitions upon electrochemical cycling, leading to poor stability and capacity decay. A series of Mn‐based samples with up to six metal species sharing the N‐coordinated positions was synthesized. The material of composition Na_1.65Mn_0.4Fe_0.12Ni_0.12Cu_0.12Co_0.12...

article

Titelbild: Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries (Angew. Chem. 7/2024)

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, more

Angewandte Chemie > 136 > 7 > n/a - n/a

article

Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, more

Angewandte Chemie > 136 > 7 > n/a - n/a

article

Noninvasive predictive models based on lifestyle analysis and risk factors for early‐onset colorectal cancer

Jia‐Wen Deng, Yi‐Lu Zhou, Wei‐Xing Dai, Hui‐Min Chen, more

Journal of Gastroenterology and Hepatology > 38 > 10 > 1768 - 1777

Background Colorectal cancer (CRC) incidence has increased among patients aged <50 years. Exploring high‐risk factors and screening high‐risk populations may help lower early‐onset CRC (EO‐CRC) incidence. We developed noninvasive predictive models for EO‐CRC and investigated its risk factors. Methods This retrospective multicenter study collected information on 1756 patients (811 patients with...

article

Gradually Tuning the Flexibility of Two‐Dimensional Covalent Organic Frameworks via Stepwise Structural Transformation and Their Flexibility‐Dependent Properties

Zhi‐Bei Zhou, Hui‐Hui Sun, Qiao‐Yan Qi, Xin Zhao

Angewandte Chemie International Edition > 62 > 38 > n/a - n/a

Flexible covalent organic frameworks (COFs) are intriguing for their dynamic properties distinctive from rigid counterparts but still suffer from limited accessibility. Especially, controlling flexibility of COFs is challenging and the impact of different flexibility on properties of COFs has rarely been unveiled. This article reports stepwise adjustment on flexibility of two‐dimensional COFs, which...

article

Gradually Tuning the Flexibility of Two‐Dimensional Covalent Organic Frameworks via Stepwise Structural Transformation and Their Flexibility‐Dependent Properties

Zhi‐Bei Zhou, Hui‐Hui Sun, Qiao‐Yan Qi, Xin Zhao

Angewandte Chemie > 135 > 38 > n/a - n/a

article

Farnesyl/geranylgeranyl diphosphate synthases regulate the biosynthesis of alarm pheromone in a unique manner in the vetch aphid Megoura viciae

Xuan Song, Yao‐Guo Qin, Yi‐Han Zhang, Yu‐Bei Zhou, more

Insect Molecular Biology > 32 > 3 > 229 - 239

Farnesyl/geranylgeranyl diphosphate synthases (FPPS/GGPPS) as the short‐chain prenyltransferases catalyse the formation of the acyclic precursors (E)‐FPP and (E)‐GGPP for isoprenoid biosynthesis. Here, we first cloned the cDNAs encoding FPPS and GGPPS in the vetch aphid Megoura viciae (designated as MvFPPS and MvGGPPS). They had an open reading frame of 1185 and 930 bp in length, encoding 395 and...

article

Development of a General and Selective Nanostructured Cobalt Catalyst for the Hydrogenation of Benzofurans, Indoles and Benzothiophenes

Bei Zhou, Vishwas G. Chandrashekhar, Zhuang Ma, Carsten Kreyenschulte, more

Angewandte Chemie International Edition > 62 > 10 > n/a - n/a

The selective hydrogenation of benzofurans in the presence of a heterogeneous non‐noble metal catalyst is reported. The developed optimal catalytic material consists of cobalt‐cobalt oxide core–shell nanoparticles supported on silica, which has been prepared by the immobilization and pyrolysis of cobalt‐DABCO‐citric acid complex on silica under argon at 800 °C. This novel catalyst allows for the selective...

article

Development of a General and Selective Nanostructured Cobalt Catalyst for the Hydrogenation of Benzofurans, Indoles and Benzothiophenes

Bei Zhou, Vishwas G. Chandrashekhar, Zhuang Ma, Carsten Kreyenschulte, more

Angewandte Chemie > 135 > 10 > n/a - n/a

article

The influence of fear of isolation on contact experience disclosure: Evidence from safety management of the COVID‐19 pandemic

Hongxu Lu, Jinyun Duan, Ting Wu, Bei Zhou, more

Asian Journal of Social Psychology > 25 > 4 > 646 - 657

As the coronavirus disease 2019 (COVID‐19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), continues to rage, disclosure of exposure to the virus is of great significance to safety management, especially considering the long latency of the disease. We conducted a survey based on terror management theory of 2,542 people in 71 cities, representing all provinces in mainland...

article

Resolving the Role of Configurational Entropy in Improving Cycling Performance of Multicomponent Hexacyanoferrate Cathodes for Sodium‐Ion Batteries (Adv. Funct. Mater. 34/2022)

Yanjiao Ma, Yang Hu, Yohanes Pramudya, Thomas Diemant, more

Advanced Functional Materials > 32 > 34 > n/a - n/a

Configurational Entropy In article number 2202372, Yuan Ma, Ben Breitung, Torsten Brezesinski, and co‐workers report the preparation and characterization of Mn‐based multicomponent hexacyanoferrate cathodes for application in Na‐ion batteries. Systematic comparison of the structural, chemical, and electrochemical properties of high‐, medium‐ and low‐entropy materials uncover the origin of improved...

article

Resolving the Role of Configurational Entropy in Improving Cycling Performance of Multicomponent Hexacyanoferrate Cathodes for Sodium‐Ion Batteries

Yanjiao Ma, Yang Hu, Yohanes Pramudya, Thomas Diemant, more

Advanced Functional Materials > 32 > 34 > n/a - n/a

Mn‐based hexacyanoferrate (Mn‐HCF) cathodes for Na‐ion batteries usually suffer from poor reversibility and capacity decay resulting from unfavorable phase transitions and structural degradation during cycling. To address this issue, the high‐entropy concept is here applied to Mn‐HCF materials, significantly improving the sodium storage capabilities of this system via a solid‐solution mechanism with...

article

Manipulation of Organic Afterglow by Thermodynamic and Kinetic Control

Jiahui Liu, Guangming Wang, Xuepu Wang, Yan Sun, more

Chemistry – A European Journal > 27 > 67 > 16735 - 16743

The fabrication of room‐temperature organic phosphorescence and afterglow materials, as well as the transformation of their photophysical properties, has emerged as an important topic in the research field of luminescent materials. Here, we report the establishment of energy landscapes in dopant‐matrix organic afterglow systems where the aggregation states of luminescent dopants can be controlled...

article

Fecal Fusobacterium nucleatum as a predictor for metachronous colorectal adenoma after endoscopic polypectomy

Jin‐Hui Xue, Yuan‐Hong Xie, Tian‐Hui Zou, Yun Qian, more

Journal of Gastroenterology and Hepatology > 36 > 10 > 2841 - 2849

Background and Aim Fusobacterium nucleatum is increasingly being recognized as an important risk factor in colorectal cancer and colorectal adenoma. Endoscopic polypectomy is associated with a decreased incidence of colorectal cancer; however, patients still suffer from a risk of metachronous adenoma. Currently, there are few effective non‐invasive factors that may predict metachronous colorectal...

article

New Cassane Diterpenoids from the Seed Kernels of Caesalpinia cucullata, Exhibit Anti‐inflammatory Effect in vitro by Inhibiting iNOS Enzymatic Activity

Miao Wang, Yi‐Ren Yang, Yan Yin, Kai‐Ru Song, more

Chinese Journal of Chemistry > 39 > 6 > 1625 - 1634

Inflammation is a complex biological response to stimulation. Natural cassane diterpenoids from Caesalpinia genus exhibit significant anti‐inflammation activity. Eight new cassane diterpenoids (1—8) along with seven known ones (9—15) were obtained from the seed kernels of Caesalpinia cucullata Roxb. This is the first report on chemical investigation of the seed kernels of C. cucullata, and the cassane...

article

Efficacy and Safety of Guselkumab, an Interleukin‐23p19–Specific Monoclonal Antibody, Through One Year in Biologic‐Naive Patients With Psoriatic Arthritis

Iain B. McInnes, Proton Rahman, Alice B. Gottlieb, Elizabeth C. Hsia, more

Arthritis & Rheumatology > 73 > 4 > 604 - 616

Objective Guselkumab, a human monoclonal antibody specific to interleukin‐23p19, demonstrated efficacy and safety versus placebo through week 24 of the phase III DISCOVER‐2 trial in biologic‐naive patients with psoriatic arthritis (PsA). Here we report 1‐year DISCOVER‐2 findings. Methods Adults with active PsA (≥5 swollen and ≥5 tender joints; C‐reactive protein level ≥0.6 mg/dl) despite standard...

article

Designed Synthesis of a Two‐Dimensional Covalent Organic Framework with Three‐Level Hierarchical Porosity^†

Xiang‐Hao Han, Qiao‐Yan Qi, Zhi‐Bei Zhou, Xin Zhao

Chinese Journal of Chemistry > 38 > 12 > 1676 - 1680

Covalent organic frameworks (COFs) with hierarchical porosity have drawn considerable attention very recently due to their advantages over the COFs with uniform porosity in some aspects. However, the design strategies for the construction of this type of COFs, namely heteropore COFs, are quite limited. We herein report a facile approach to constructing a two‐dimensional COF which possesses three different...

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INFONA - science communication portal

Search results for: Bei Zhou

K‐Doping Suppresses Oxygen Redox in P2‐Na_0.67Ni_0.11Cu_0.22Mn_0.67O₂ Cathode Materials for Sodium‐Ion Batteries

The effects of pks⁺ Escherichia coli and bile acid in colorectal tumorigenesis among people with cholelithiasis or cholecystectomy

Cover Picture: Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries (Angew. Chem. Int. Ed. 7/2024)

Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries

Titelbild: Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries (Angew. Chem. 7/2024)

Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries

Noninvasive predictive models based on lifestyle analysis and risk factors for early‐onset colorectal cancer

Gradually Tuning the Flexibility of Two‐Dimensional Covalent Organic Frameworks via Stepwise Structural Transformation and Their Flexibility‐Dependent Properties

Gradually Tuning the Flexibility of Two‐Dimensional Covalent Organic Frameworks via Stepwise Structural Transformation and Their Flexibility‐Dependent Properties

Farnesyl/geranylgeranyl diphosphate synthases regulate the biosynthesis of alarm pheromone in a unique manner in the vetch aphid Megoura viciae

Development of a General and Selective Nanostructured Cobalt Catalyst for the Hydrogenation of Benzofurans, Indoles and Benzothiophenes

Development of a General and Selective Nanostructured Cobalt Catalyst for the Hydrogenation of Benzofurans, Indoles and Benzothiophenes

The influence of fear of isolation on contact experience disclosure: Evidence from safety management of the COVID‐19 pandemic

Resolving the Role of Configurational Entropy in Improving Cycling Performance of Multicomponent Hexacyanoferrate Cathodes for Sodium‐Ion Batteries (Adv. Funct. Mater. 34/2022)

Resolving the Role of Configurational Entropy in Improving Cycling Performance of Multicomponent Hexacyanoferrate Cathodes for Sodium‐Ion Batteries

Manipulation of Organic Afterglow by Thermodynamic and Kinetic Control

Fecal Fusobacterium nucleatum as a predictor for metachronous colorectal adenoma after endoscopic polypectomy

New Cassane Diterpenoids from the Seed Kernels of Caesalpinia cucullata, Exhibit Anti‐inflammatory Effect in vitro by Inhibiting iNOS Enzymatic Activity

Efficacy and Safety of Guselkumab, an Interleukin‐23p19–Specific Monoclonal Antibody, Through One Year in Biologic‐Naive Patients With Psoriatic Arthritis

Designed Synthesis of a Two‐Dimensional Covalent Organic Framework with Three‐Level Hierarchical Porosity^†

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