Search results for: Feng Zhao

Items from 1 to 20 out of 1,740 results

article

Effect of inorganic nanoparticles on polypropylene in‐mold decoration and microcellular foaming injection molding composites

Jialong Zhao, Wei Guo, Feng Zhao, Tao Feng, more

Polymer Engineering & Science > 64 > 10 > 5061 - 5072

In this paper, the surface morphology of the parts was improved by the in‐mold decoration and microcellular foaming injection molding (MIM‐IMD), and the mechanical properties of the parts were improved by inorganic particles modification. The effects of different inorganic particles (CaCO₃, MMT, Talc) on the rheological behavior, crystallization properties, cell structure, surface quality, and mechanical...

article

Research on low‐velocity impact damage of composites based on improved Chang–Chang criterion

Wei Guo, Huayao Huang, Feng Zhao, Jialong Zhao, more

Polymer Composites > 45 > 14 > 12841 - 12856

Considering the nonlinearity of shear in the mechanics of composite materials, the increase of shear strength when the substrate interface is compressed, and the shear of the matrix itself, the Chang–Chang criterion is improved. The improved Chang–Chang criterion was used to establish a progressive damage model of low‐velocity impact of composites. The low‐velocity impact process of T700/EM134 composite...

article

Synthesis of Polyaryl‐Substituted Azafluoranthenes via Co‐Catalyzed [2+2+2] Cycloaddition of 1,6‐Diynes with Nitriles

Jinhui Cai, Kaili Cen, Ziyi Zhai, Jiahao Wei, more

Advanced Synthesis & Catalysis > 366 > 18 > 3913 - 3919

Herein, we demonstrate the synthesis of azafluoranthene derivatives under mild conditions via [2+2+2] cycloaddition of 1,6‐diynes and nitriles catalyzed by CoBr₂/dppp, exhibiting good atom economy. This procedure uses an inexpensive ligand and an earth‐abundant metal as catalyst to lower the cost of synthesis. Several azafluoranthenes are produced in 28–95% yields using this approach, featuring mild...

article

Ligand‐Solvent Coordination Enables Comprehensive Trap Passivation for Efficient Near‐Infrared Quantum Dot Light‐Emitting Diodes

Ye Wang, Zong‐Shuo Liu, Feng Zhao, Wei‐Zhi Liu, more

Angewandte Chemie International Edition > 63 > 40 > n/a - n/a

Near‐infrared light‐emitting diodes (NIR LEDs) based on perovskite quantum dots (QDs) have produced external quantum efficiency (EQE) of ~15 %. However, these high‐performance NIR‐QLEDs suffer from immediate carrier quenching because of the accumulation of migratable ions at the surface of the QDs. These uncoordinated ions and carriers—if not bound to the nanocrystal surface—serve as centers for exciton...

article

Ligand‐Solvent Coordination Enables Comprehensive Trap Passivation for Efficient Near‐Infrared Quantum Dot Light‐Emitting Diodes

Ye Wang, Zong‐Shuo Liu, Feng Zhao, Wei‐Zhi Liu, more

Angewandte Chemie > 136 > 40 > n/a - n/a

article

MiR‐494‐3p regulates skin fibroblast activities by mediating fibromodulin production

Feng Zhao, Linshu Wang, Yuxin Zhang, Siqi Tang, more

Journal of Cellular Physiology > 239 > 9 > n/a - n/a

Skin wound healing is a well‐coordinated process in which various cells and factors participate, during which fibroblast exhibits a critical role by exerting its multiple activities, including proliferation, migration, invasion, and differentiation. Previous studies have identified that fibromodulin (FMOD) could enhance dermal wound healing by promoting skin fibroblast activities, but little is known...

article

Novel herbicide flusulfinam: absolute configuration, enantioseparation, enantioselective bioactivity, toxicity and degradation in paddy soils

Shiling Liu, Xiaoli Li, Junqi Zhu, Liying Liang, more

Pest Management Science > 80 > 10 > 5244 - 5255

BACKGROUND Flusulfinam, a novel chiral herbicide, effectively controls Echinochloa crusgalli and Digitaria sanguinalis in paddy fields, indicating significant potential for practical agricultural applications. However, limited information is available on flusulfinam from a chiral perspective. A comprehensive evaluation of the enantiomeric levels of flusulfinam was performed. RESULTS Two enantiomers,...

article

Vivo application of a portable plasma generator in infected wound healing

Mingze Dang, Yiqian Li, Lanlan Nie, Feng Zhao, more

Plasma Processes and Polymers > 21 > 9 > n/a - n/a

In this study, a portable plasma generator produced large‐area air plasma for treating infected wounds in BALB/c mice. Different plasma treatment times (30 s, 1 min, 3 min, and 4.5 min) were applied daily until the wounds healed completely. Results showed reduced inflammation and increased vascular endothelial growth factor (VEGF) expression in tissues treated for 1 and 3 min, promoting blood vessel...

article

Research on properties and cellular structure of nano‐CaCO₃/rice‐husk fiber/polypropylene three‐phase thermoplastic microcellular foaming composites

Yonghua Cai, Lian Liu, Wei Guo, Feng Zhao, more

Polymer Composites > 45 > 12 > 11487 - 11499

Microcellular foamed plant fiber composites have the advantages of low density, low cost, and biodegradability, so it has great development potential in the industry. Nevertheless, the existence of cellular structures diminishes the mechanical performance of plant fiber composites. To overcome this problem, in this study, nano‐CaCO₃ was used to enhance the microcellular foamed plant fiber composites,...

article

Bi‐Ligand Synergy Enables Threshold Low Voltage and Bandgap Stable Pure‐Red Mix‐Halide Perovskite LEDs

Hong‐Wei Duan, Feng Zhao, Sheng‐Nan Li, Jia‐Lin Pan, more

Advanced Functional Materials > 34 > 19 > n/a - n/a

Perovskite light‐emitting diodes (LEDs) emitting in the pure‐red range of 630–640 nm show promise in meeting the requirement of the Rec.2100 standard for high‐resolution displays. However, the high‐performing LEDs (external quantum efficiency, EQE >20%) in the pure‐red range suffer from half‐life time (luminance drop to 50% of the initial luminance) of <1.6 h, resulting from the injection/transportation...

article

Plant fiber‐reinforced composites based on injection molding process: Manufacturing, service life, and remanufacturing

Feng Zhao, Xiaorui Liu, Jialong Zhao, Tao Feng, more

Polymer Composites > 45 > 6 > 4876 - 4899

Resource depletion and environmental degradation have become important issues affecting the human development process. Plant fiber‐reinforced composites (PFRCs) are characterized by high natural availability, good mechanical properties, low density, recyclability, and eco‐friendliness. Expanding human applications of plant fibers is an important measure to combat resource and environmental problems...

article

Bacteriostasis of nisin against planktonic and biofilm bacteria: Its mechanism and application

Ying Shi, Tao Wen, Feng Zhao, Jia Hu

Journal of Food Science > 89 > 4 > 1894 - 1916

Food safety incidents caused by bacterial contamination have always been one of the public safety issues of social concern. Planktonic cells, viable but non‐culturable (VBNC) cells, and biofilm cells of bacteria can coexist in food or food processing, posing more serious challenges to public health and safety by increasing bacterial survival and difficulty in detection. As a non‐toxic, no side effect,...

article

Multitask Deep Learning‐Based Whole‐Process System for Automatic Diagnosis of Breast Lesions and Axillary Lymph Node Metastasis Discrimination from Dynamic Contrast‐Enhanced‐MRI: A Multicenter Study

Heng Zhou, Zhen Hua, Jing Gao, Fan Lin, more

Journal of Magnetic Resonance Imaging > 59 > 5 > 1710 - 1722

Background Accurate diagnosis of breast lesions and discrimination of axillary lymph node (ALN) metastases largely depend on radiologist experience. Purpose To develop a deep learning‐based whole‐process system (DLWPS) for segmentation and diagnosis of breast lesions and discrimination of ALN metastasis. Study Type Retrospective. Population 1760 breast patients, who were divided into training...

article

Altered intersubject functional variability of brain white‐matter in major depressive disorder and its association with gene expression profiles

Qun Gai, Tongpeng Chu, Qinghe Li, Yuting Guo, more

Human Brain Mapping > 45 > 5 > n/a - n/a

Major depressive disorder (MDD) is a clinically heterogeneous disorder. Its mechanism is still unknown. Although the altered intersubject variability in functional connectivity (IVFC) within gray‐matter has been reported in MDD, the alterations to IVFC within white‐matter (WM‐IVFC) remain unknown. Based on the resting‐state functional MRI data of discovery (145 MDD patients and 119 healthy controls...

article

Energy-saving optimal scheduling under multi-mode “source-network-load-storage” combined system in metro station based on modified Gray Wolf Algorithm

Jingjing Tian, Yu Qian, Feng Zhao, Shenglin Mo, more

Archives of Electrical Engineering > 2024 > Vol. 73, nr 1 > 121--143

Aiming to address power consumption issues of various equipment in metro stations and the inefficiency of peak shaving and valley filling in the power supply system, this study presents an economic optimization scheduling method for the multi-modal “source-network-load-storage” system in metro stations. The proposed method, called the Improved Gray Wolf Optimization Algorithm (IGWO), utilizes objective...

article

Temperature‐Dependent Color‐Tunable Afterglow in Zirconium‐Doped CsCdCl₃ Perovskite for Advanced Anti‐Counterfeiting and Thermal Distribution Detection

Xuanyu Zhu, Tingxiang Gu, Lei Zhao, Wei Gao, more

Small > 20 > 11 > n/a - n/a

Persistent luminescence (PersL) materials exhibit thermal‐favored optical behavior, enabling their unique applications in security night vision signage, in vivo bioimaging, and optical anti‐counterfeiting. Therefore, developing efficient and color‐tunable PersL materials is significantly crucial in promoting advanced practical use. In this study, hexagonal Zr⁴⁺‐doped CsCdCl₃ perovskite is synthesized...

article

The novel HLA‐C12:02:52* allele, identified by Sanger dideoxy nucleotide sequencing in a Chinese individual

Ye‐di Pu, Zhi‐cong Xie, Li Ma, Ye‐mo Li, more

HLA > 103 > 2 > n/a - n/a

HLA‐C*12:02:52 differs from HLA‐C*12:02:02:01 by one nucleotide in exon 1.

article

Liamocins overproduction via the two‐pH stage fermentation and anti‐Aspergillus flavus activity of Massoia lactone

Peng Wang, Mei Zhang, Shou‐Feng Zhao, Zhao‐Rui Zhang, more

Biotechnology Journal > 19 > 2 > n/a - n/a

Aureobasidium melanogenum was found to be grown the best at the constant pH 7.0 and to produce the highest amount of liamocins at the constant pH 3.0. Therefore, the wild type strain A. melanogenum 9‐1 and the engineered strain V33 constructed in the laboratory were grown at the constant pH 7.0 for 48 h, then, they were continued to be cultivated at the constant pH 3.0. Under such conditions, A. melanogenum...

article

dCas9‐guided demethylation of the AKT1 promoter improves milk protein synthesis in a bovine mastitis mammary gland epithelial model induced by using Staphylococcus aureus

Jie Liu, Xiangfei Wei, Yan Zhang, Yaoxiang Ran, more

Cell Biology International > 48 > 3 > 300 - 310

Mastitis is among the main factors affecting milk quality and yield. Although DNA methylation is associated with mastitis, its role in mastitis remains unclear. In this study, a bovine mastitis mammary epithelial cells (BMMECs) model was established via Staphylococcus aureus infection of bovine mammary gland epithelial cells (BMECs). Bisulfite sequencing PCR was used to determine the methylation status...

article

Neglected Risks in the Communication of Residential Mortgage‐Backed Securities Offerings

HAROLD H. ZHANG, FENG ZHAO, XIAOFEI ZHAO

The Journal of Finance > 79 > 1 > 129 - 172

Examining the contractual disclosures during the sale of private‐label residential mortgage‐backed securities before the 2008 financial crisis, we find that textual contents in the risk‐factor section predict subsequent losses and yet were not reflected in pricing. Insurance companies, especially life insurers and insurers with low regulatory capital ratios, are more exposed to textual risks. Consistent...

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INFONA - science communication portal

Search results for: Feng Zhao

Effect of inorganic nanoparticles on polypropylene in‐mold decoration and microcellular foaming injection molding composites

Research on low‐velocity impact damage of composites based on improved Chang–Chang criterion

Synthesis of Polyaryl‐Substituted Azafluoranthenes via Co‐Catalyzed [2+2+2] Cycloaddition of 1,6‐Diynes with Nitriles

Ligand‐Solvent Coordination Enables Comprehensive Trap Passivation for Efficient Near‐Infrared Quantum Dot Light‐Emitting Diodes

Ligand‐Solvent Coordination Enables Comprehensive Trap Passivation for Efficient Near‐Infrared Quantum Dot Light‐Emitting Diodes

MiR‐494‐3p regulates skin fibroblast activities by mediating fibromodulin production

Novel herbicide flusulfinam: absolute configuration, enantioseparation, enantioselective bioactivity, toxicity and degradation in paddy soils

Vivo application of a portable plasma generator in infected wound healing

Research on properties and cellular structure of nano‐CaCO₃/rice‐husk fiber/polypropylene three‐phase thermoplastic microcellular foaming composites

Bi‐Ligand Synergy Enables Threshold Low Voltage and Bandgap Stable Pure‐Red Mix‐Halide Perovskite LEDs

Plant fiber‐reinforced composites based on injection molding process: Manufacturing, service life, and remanufacturing

Bacteriostasis of nisin against planktonic and biofilm bacteria: Its mechanism and application

Multitask Deep Learning‐Based Whole‐Process System for Automatic Diagnosis of Breast Lesions and Axillary Lymph Node Metastasis Discrimination from Dynamic Contrast‐Enhanced‐MRI: A Multicenter Study

Altered intersubject functional variability of brain white‐matter in major depressive disorder and its association with gene expression profiles

Energy-saving optimal scheduling under multi-mode “source-network-load-storage” combined system in metro station based on modified Gray Wolf Algorithm

Temperature‐Dependent Color‐Tunable Afterglow in Zirconium‐Doped CsCdCl₃ Perovskite for Advanced Anti‐Counterfeiting and Thermal Distribution Detection

The novel HLA‐C12:02:52* allele, identified by Sanger dideoxy nucleotide sequencing in a Chinese individual

Liamocins overproduction via the two‐pH stage fermentation and anti‐Aspergillus flavus activity of Massoia lactone

dCas9‐guided demethylation of the AKT1 promoter improves milk protein synthesis in a bovine mastitis mammary gland epithelial model induced by using Staphylococcus aureus

Neglected Risks in the Communication of Residential Mortgage‐Backed Securities Offerings

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