Search results for: Meng Chen

Items from 1 to 20 out of 791 results

article

Spatiotemporal Ultrasound‐Driven Bioorthogonal Catalytic Therapy

Lili Xia, Meng Chen, Caihong Dong, Feipeng Liu, more

Bioorthogonal chemistry, referring to the rapid and selective synthesis of imaging and/or therapeutic molecules in live animals via transition metal‐mediated non‐natural chemical transformation without disrupting endogenous reactions, has greatly expanded the tools and techniques for biomedicine. However, owing to safety concerns associated with metal toxicity, selectivity, sensitivity and stability,...

article

Purification and characterization of a chitinase from Aeromonas media CZW001 as a biocatalyst for producing chitinpentaose and chitinhexaose

Zhiwen Ding, Tian Li, Meng Chen, Yaowei Fang, more

Biotechnology and Applied Biochemistry > 70 > 1 > 281 - 289

Developing chitinase suitable for the bioconversion of chitin to chitin oligosaccharides has attracted significant attention due to its benefits in environmental protection. In this study, chitinase from Aeromonas media CZW001 (AmChi) was purified and characterized. The molecular weight of AmChi was approximately 40 kDa. AmChi exhibited maximum catalytic activity at pH 8.0 with an optimum temperature...

article

The characteristics of foreign bodies aspirated by children across different continents: A comparative review

Seyedeh Yasamin Parvar, Mohammad Sharifi Sarasyabi, Mohammad Ashkan Moslehi, Kostas N. Priftis, more

Pediatric Pulmonology > 58 > 2 > 408 - 424

Background Foreign body aspiration (FBA) is a common issue in pediatric emergencies, with regional variations. Various cultures and foods, parents' and physicians' inadequate experience, and lack of bronchoscopy equipment are some attributable factors in the regional variation of FBA. Aim To more accurately represent the demographic characteristics of aspirated foreign bodies (FBs) across various...

article

A comfort evaluation method based on an intelligent car cockpit

Jian‐Jun Yang, Yi‐Meng Chen, Shan‐Shan Xing, Rui‐Zhi Qiu

Human Factors and Ergonomics in Manufacturing & Service Industries > 33 > 1 > 104 - 117

With the rapid development of automobiles, car cockpits are becoming more and more intelligent and advanced, and the intelligent requirements of automobile cockpits are gradually increasing. However, the real value of intelligence can only be realized when it makes passengers in a cockpit feel comfortable. In this study, seven factors that affect passenger comfort in intelligent cockpits are defined...

article

A Time‐Dependent Fluorescent Hydrogel for “Time‐Lock” Information Encryption

Qian Wang, Zhen Qi, Qi‐Meng Wang, Meng Chen, more

Advanced Functional Materials > 32 > 49 > n/a - n/a

Information encryption has become increasingly important in recent years; however, information encryption materials, especially those encrypting on a time scale, are still in fancy. Herein, a “time‐lock” information encryption material is developed based on a time‐dependent fluorescent hydrogel. The fluorescence color of this hydrogel can be regulated between green and yellow, with distinctive changes...

article

A Sonication‐Activated Valence‐Variable Sono‐Sensitizer/Catalyst for Autography Inhibition/Ferroptosis‐Induced Tumor Nanotherapy

Wei Feng, Zhonglong Liu, Lili Xia, Meng Chen, more

Angewandte Chemie > 134 > 48 > n/a - n/a

The effective deployment of reactive oxygen species (ROS)‐mediated oncotherapy in practice remains challenging, mired by uncontrollable catalytic processes, stern reaction conditions and safety concerns. Herein, we develop a copper nanodot integrating sonodynamic and catalytic effects within one active center, which responds to exogenous ultrasound (US) and endogenous H₂O₂ stimuli. US irradiation...

article

A Sonication‐Activated Valence‐Variable Sono‐Sensitizer/Catalyst for Autography Inhibition/Ferroptosis‐Induced Tumor Nanotherapy

Wei Feng, Zhonglong Liu, Lili Xia, Meng Chen, more

Angewandte Chemie International Edition > 61 > 48 > n/a - n/a

article

Estrogen receptor variant ER‐α36 facilitates estrogen signaling via EGFR in glioblastoma

Chao Qu, Cui Wang, Hongyan Li, Ying Li, more

Cell Biology International > 46 > 11 > 1759 - 1774

Glioblastoma (GBM) is a deadly and common primary brain tumor. Poor prognosis is linked to high proliferation and cell heterogeneity. Sex differences may play a role in patient outcome. Previous studies showed that ER‐α36, a variant of the estrogen receptor (ER), mediated non‐genomic estrogen signaling and is highly expressed in many ER‐negative malignant tumors. ER‐α36 also associates with epidermal...

article

The kinetics of IgG subclasses and contributions to neutralizing activity against SARS‐CoV‐2 wild‐type strain and variants in healthy adults immunized with inactivated vaccine

Weixin Chen, Lichi Zhang, Juan Li, Shuang Bai, more

Immunology > 167 > 2 > 221 - 232

Neutralizing antibody is an important indicator of vaccine efficacy, of which IgG is the main component. IgG can be divided into four subclasses. Up to now, studies analysing the humoral response to SARS‐CoV‐2 vaccination have mostly focused on measuring total IgG, and the contribution of specific IgG subclasses remains elusive. The aim of this study is to investigate the kinetics of neutralizing...

article

Inside Back Cover: Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical (Angew. Chem. Int. Ed. 37/2022)

Meng Chen, Jingkai Xu, Deshi Zhao, Fangxiang Sun, more

Angewandte Chemie International Edition > 61 > 37 > n/a - n/a

The site‐selective functionalization of carboranes with multiple B−H sites is a long‐standing challenge. In their Research Article (e202205672), Deshuang Tu, Changsheng Lu, Hong Yan, and co‐workers developed an efficient reaction protocol for the selective alkylation, alkenylation, and heteroarylation of carboranes under mild conditions via boron‐vertex‐centered carboranyl radicals generated by photo‐induced...

article

Innenrücktitelbild: Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical (Angew. Chem. 37/2022)

Meng Chen, Jingkai Xu, Deshi Zhao, Fangxiang Sun, more

Angewandte Chemie > 134 > 37 > n/a - n/a

Die regioselektive Funktionalisierung von Carboranen mit mehreren BH‐Zentren ist eine seit langem bestehende Herausforderung. In ihrem Forschungsartikel (e202205672) entwickelten Deshuang Tu, Changsheng Lu, Hong Yan und Mitarbeiter ein effizientes Reaktionsprotokoll, um eine selektive Alkylierung, Alkenylierung und Heteroarylierung von Carboranen unter milden Bedingungen über Bor‐zentrierte Carboranylradikale...

article

Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical

Meng Chen, Jingkai Xu, Deshi Zhao, Fangxiang Sun, more

Angewandte Chemie > 134 > 37 > n/a - n/a

Functionalization of carboranes in a vertex‐specific manner is a perennial challenge. Here, we report a photocatalytic B−C coupling for the selective functionalization of carboranes at the boron site which is most distal to carbon. This reaction was achieved by the photo‐induced decarboxylation of carborane carboxylic acids to generate boron vertex‐centered carboranyl radicals. Theoretical calculations...

article

Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical

Meng Chen, Jingkai Xu, Deshi Zhao, Fangxiang Sun, more

Angewandte Chemie International Edition > 61 > 37 > n/a - n/a

article

Father–child physiological concordance on two timescales is differentially associated with paternal characteristics

Xutong Zhang, Lisa M. Gatzke‐Kopp, Meng Chen, Pamela M. Cole, more

Psychophysiology > 59 > 10 > n/a - n/a

Conceptual work on interpersonal physiology suggests that the dynamic concordance between two person's physiological arousal may transpire on multiple timescales, and the timescale on which it unfolds may determine its psychological significance. The current study tested this hypothesis in the context of parent–child interaction by examining whether the concordance in their cardiac arousal on two...

article

Lipid variability and risk of microvascular complications in Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial: A post hoc analysis

Daniel Nyarko Hukportie, Fu‐Rong Li, Rui Zhou, Jia‐Zhen Zheng, more

Journal of Diabetes > 14 > 6 > 365 - 376

Background Greater lipid variability may cause adverse health events among diabetic patients. We aimed to examine the effect of lipid variability on the risk of diabetic microvascular outcomes among type 2 diabetes mellitus patients. Methods We assessed the association between visit‐to‐visit variability (measured by variability independent of mean) in high‐density lipoprotein (HDL) cholesterol,...

article

Selective Hydrogenation of Naphthalene to Decalin Over Surface‐Engineered α‐MoC Based on Synergy between Pd Doping and Mo Vacancy Generation

Yufei Ma, Jianbin Liu, Meng Chen, Qun Yang, more

Advanced Functional Materials > 32 > 25 > n/a - n/a

Although the hydrogenation of aromatics is important for the processing of fossil fuels and biofuels, it typically requires costly (e.g., noble metal‐based) catalysts and exhibits unsatisfactory selectivity. Herein, flake‐like nanocrystalline molybdenum carbide (α‐MoC) is surface‐engineered via Pd doping, and the synergy between the in‐situ generated Mo vacancies and doped Pd species is shown to promote...

article

Modification of Nitrate Ion Enables Stable Solid Electrolyte Interphase in Lithium Metal Batteries

Li‐Peng Hou, Nan Yao, Jin Xie, Peng Shi, more

Angewandte Chemie International Edition > 61 > 20 > n/a - n/a

The lifespan of high‐energy‐density lithium metal batteries (LMBs) is hindered by heterogeneous solid electrolyte interphase (SEI). The rational design of electrolytes is strongly considered to obtain uniform SEI in working batteries. Herein, a modification of nitrate ion (NO₃⁻) is proposed and validated to improve the homogeneity of the SEI in practical LMBs. NO₃⁻ is connected to an ether‐based moiety...

article

Modification of Nitrate Ion Enables Stable Solid Electrolyte Interphase in Lithium Metal Batteries

Li‐Peng Hou, Nan Yao, Jin Xie, Peng Shi, more

Angewandte Chemie > 134 > 20 > n/a - n/a

article

Effects of almonds on ameliorating salt‐induced hypertension in dahl salt‐sensitive rats

Li Zeng, Zerong Liu, Luxin Zhou, Meng Chen, more

Journal of the Science of Food and Agriculture > 102 > 7 > 2710 - 2722

BACKGROUND Excessive dietary salt intake is related to an increased risk of hypertension. Dietary functional foods probably could help to improve salt‐induced hypertension. In this study, Dahl salt‐sensitive (DSS) rats were used to investigate their metabolic differences from those of salt‐resistant SS.13^BN rats and determine whether dietary protein‐rich almonds could ameliorate salt‐induced elevation...

article

Global and Current Research Trends of Unilateral Biportal Endoscopy/Biportal Endoscopic Spinal Surgery in the Treatment of Lumbar Degenerative Diseases: A Bibliometric and Visualization Study

Pei‐lin Chu, Tao Wang, Jia‐le Zheng, Chong‐qing Xu, more

Orthopaedic Surgery > 14 > 4 > 635 - 643

The study aimed to make a bibliometric analysis of the current research situation in unilateral biportal endoscopy/biportal endoscopic spinal surgery (UBE/BESS). Research data sets were acquired from the Web of Science database. The study chosed “biportal endoscopic spinal surgery” OR “two portal endoscopic spinal surgery” OR “percutaneous biportal endoscopic decompression” OR “unilateral biportal...

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INFONA - science communication portal

Search results for: Meng Chen

Spatiotemporal Ultrasound‐Driven Bioorthogonal Catalytic Therapy

Purification and characterization of a chitinase from Aeromonas media CZW001 as a biocatalyst for producing chitinpentaose and chitinhexaose

The characteristics of foreign bodies aspirated by children across different continents: A comparative review

A comfort evaluation method based on an intelligent car cockpit

A Time‐Dependent Fluorescent Hydrogel for “Time‐Lock” Information Encryption

A Sonication‐Activated Valence‐Variable Sono‐Sensitizer/Catalyst for Autography Inhibition/Ferroptosis‐Induced Tumor Nanotherapy

A Sonication‐Activated Valence‐Variable Sono‐Sensitizer/Catalyst for Autography Inhibition/Ferroptosis‐Induced Tumor Nanotherapy

Estrogen receptor variant ER‐α36 facilitates estrogen signaling via EGFR in glioblastoma

The kinetics of IgG subclasses and contributions to neutralizing activity against SARS‐CoV‐2 wild‐type strain and variants in healthy adults immunized with inactivated vaccine

Inside Back Cover: Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical (Angew. Chem. Int. Ed. 37/2022)

Innenrücktitelbild: Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical (Angew. Chem. 37/2022)

Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical

Site‐Selective Functionalization of Carboranes at the Electron‐Rich Boron Vertex: Photocatalytic B−C Coupling via a Carboranyl Cage Radical

Father–child physiological concordance on two timescales is differentially associated with paternal characteristics

Lipid variability and risk of microvascular complications in Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial: A post hoc analysis

Selective Hydrogenation of Naphthalene to Decalin Over Surface‐Engineered α‐MoC Based on Synergy between Pd Doping and Mo Vacancy Generation

Modification of Nitrate Ion Enables Stable Solid Electrolyte Interphase in Lithium Metal Batteries

Modification of Nitrate Ion Enables Stable Solid Electrolyte Interphase in Lithium Metal Batteries

Effects of almonds on ameliorating salt‐induced hypertension in dahl salt‐sensitive rats

Global and Current Research Trends of Unilateral Biportal Endoscopy/Biportal Endoscopic Spinal Surgery in the Treatment of Lumbar Degenerative Diseases: A Bibliometric and Visualization Study

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