Search results for: Xiaoqing Zhang

Items from 1 to 20 out of 298 results

article

Flexible Supercapacitor with Wide Electrochemical Stable Window Based on Hydrogel Electrolyte

Zhixian Qi, Ruili Ren, Jingwen Hu, Ying Chen, more

Small > 20 > 33 > n/a - n/a

Hydrogel electrolyte can endow supercapacitors with excellent flexibility, which has developed rapidly in recent years. However, the water‐rich structures of hydrogel electrolyte are easy to freeze at subfreezing and dry at high temperatures, which will affect its energy storage characteristics. The low energy density of micro supercapacitors also hinders their development. Herein, a strategy is proposed...

article

Comparative study on the adsorption of lead ions by kaolin loaded chitosan by different modification methods

Shuqin Zhang, Yuan Boyue, Yi Liu, Kening Zhang, more

Environment Protection Engineering > 2024 > Vol. 50, nr 1 > 27--41

The adsorption effect of two modified kaolin-chitosan composites prepared by different modification methods (cross-linking method (GL-CS) and click reaction method (TGL-CS) on lead ion wastewater was studied. The structure of TGL-CS has a denser pore structure than that of GL-CS, and the distribution of adsorption sites is more uniform. At 25 °C, pH 4, the adsorbent dosage of 0.05 g/dm³, reaction...

article

Functional differentiation of two general‐odorant binding proteins in Hyphantria cunea (Drury) (Lepidoptera: Erebidae)

Xiaoqing Zhang, Endang R. Purba, Jing Sun, Qing‐He Zhang, more

Pest Management Science > 79 > 9 > 3312 - 3325

BACKGROUND General odor‐binding proteins (GOBPs) play critical roles in insect olfactory recognition of sex pheromones and plant volatiles. Therefore, the identification of GOBPs in Hyphantria cunea (Drury) based on their characterization to pheromone components and plant volatiles is remain unknown. RESULTS In this study, two H. cunea (HcunGOBPs) genes were cloned, and their expression profiles...

article

Synthesis and properties of a new polycarboxylic acid multi‐polymer scale inhibitor suitable for industrial circulating water

Yulun Xiao, Dajun Ren, Junlin Zhai, Zhaobo Wang, more

Journal of Applied Polymer Science > 140 > 33 > n/a - n/a

Multipolymer TPEG‐IA‐AMPS was synthesized by free‐radical polymerization using isopentenol polyoxyethylene ether (TPEG), itaconic acid (IA) and 2‐acrylamide‐2‐methylpropanesulfonic acid (AMPS) as monomers. In addition, the monomers and the synthesized multipolymer were characterized and analyzed by infrared spectroscopy (FTIR), hydrogen nuclear magnetic resonance (¹H‐NMR) and gel permeation chromatography...

article

Laccase immobilization on bimetallic MOF‐derived porous carbon materials for the removal of bisphenol A

Bixiu Song, Dajun Ren, Zhaobo Wang, Yongwei Huang, more

Journal of Chemical Technology & Biotechnology > 98 > 4 > 919 - 931

As a result of the poor mechanical properties of most metal–organic frameworks (MOFs), they are liable to dissociate in water and thus cannot maintain immobilized enzyme activity. In this paper, a magnetic porous carbon material (Fe‐Cu‐MPC) with good stability was prepared by high temperature carbonization using a bimetallic Fe‐Cu‐MOF precursor, and used to immobilize laccase by a simple and rapid...

article

Damage and failure mechanism of sapphire under ballistic loading based on a modified bond‐based peridynamic model

Junwei Huang, Xiaoqing Zhang, Shuchang Long, Xiaohu Yao

Journal of the American Ceramic Society > 106 > 3 > 2095 - 2117

To investigate the dynamic mechanical behaviors of c‐plane and a‐plane sapphire, a novel anisotropic constitutive model and fracture criterion are constructed on the basis of bond‐based peridynamics (BB‐PD) theory. And the concept of strain is introduced in the framework of BB‐PD. After that, the simulations of a‐ and c‐planes of sapphire under spherical and cylindrical impact are conducted. In addition...

article

Exploring the clinical efficacy of a self‐made acne prescription based on high‐throughput sequencing

Liangyi Wang, Jingdong Wu, Xiaoqing Zhang, Wei Gu, more

Journal of Cosmetic Dermatology > 21 > 11 > 6072 - 6078

Background We used high‐throughput sequencing on skin microbial flora to assess the effectiveness of an acne prescription to formulate evidence for clinical decision‐making. Methods We randomized 20 outpatients into two groups. The treatment group was given the acne formula orally. The control group took capsules of the Chinese patent medicine Qingre Anchuang. Both groups used a chloramphenicol...

article

Superhydrophobic Coating Deposited on Foamed Concrete with Super‐Robust Mechanical and Self‐Repairing Properties

Zhenzhen Lu, Jian Chen, Xiaoqing Zhang

physica status solidi (a) > 219 > 24 > n/a - n/a

A super‐robust and self‐repairing superhydrophobic (SRS) coating is prepared on foamed concrete via a facile and low‐cost method using hydrophobic silica nanoparticles as building blocks connected by silicone sealant and epoxy resin for constructing micro‐/nanostructures. The surface wettability, morphology, and chemical composition are tested by a contact angle (CA) goniometer, scanning electron...

article

Metal–Nitrogen–Carbon Single‐Atom Aerogels as Self‐Supporting Electrodes for Dechlorination of 1,2‐Dichloroethane

Guoqiang Gan, Xiaoqing Zhang, Shuyu Bu, Qili Gao, more

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

Single‐atom catalysts (SACs) have received widespread interest for their high atomic efficiency, enriched active sites, excellent catalytic performance, and low cost. However, the agglomeration of single metal atoms and the use of inactive additives for affixing powdery SACs on planar electrodes may reduce the density of active sites, diminish the charge transport to active sites, and thus suppress...

article

Online streaming feature selection for multigranularity hierarchical classification learning

Chenxi Wang, Xiaoqing Zhang, Liqin Ye, Yu Mao, more

Concurrency and Computation: Practice and Experience > 34 > 17 > n/a - n/a

Hierarchical classification learning is a hot research topic in machine learning and data mining domains, and many feature selection algorithms with category hierarchy have been proposed. However, existing algorithms assume that the feature space of data is completely obtained in advance, and ignore its uncertainty and dynamicity. To address these problems, we propose an online streaming feature selection...

article

Synthesis and property study of a polyether tercopolymer scale inhibitor with carboxyl and sulfonic acid groups

Hui Li, Dajun Ren, Mengjuan Zhuang, Zhaobo Wang, more

Journal of Applied Polymer Science > 139 > 3 > n/a - n/a

A new environment‐friendly hydrophilic terpolymer of PAA‐AEO‐SAS was synthesized by free radical polymerization using acrylic acid (AA), aliphatic alcohol polyoxyethylene ether (AEO) and sodium allyl sulfonate (SAS). The structure and molecular weight were characterized by FTIR, ¹H‐NMR and GPC. The optimal monomer ratio, initiator level, reaction temperature and time for the synthesis of PAA‐AEO‐SAS...

article

Self‐healing interface of carbon fiber reinforced composites using a thermally reversible sizing agent

Xiaoqing Zhang, Sihui Liu, Zhuojian He, Caihong Lei

Polymer Composites > 42 > 9 > 4289 - 4301

A thermally reversible sizing agent was prepared by directly mixing the furfurylamine‐modified epoxy resin (FAE) and the maleimide‐functionalized Jeffamine T403 (MAT), and it was used to impart self‐healing ability at interface based on the reversible Diels–Alder reaction for potential application in carbon fiber composites. The surface characteristics of FAE/MAT‐modified carbon fibers were investigated...

article

COVSeg‐NET: A deep convolution neural network for COVID‐19 lung CT image segmentation

XiaoQing Zhang, GuangYu Wang, Shu‐Guang Zhao

International Journal of Imaging Systems and Technology > 31 > 3 > 1071 - 1086

COVID‐19 is a new type of respiratory infectious disease that poses a serious threat to the survival of human beings all over the world. Using artificial intelligence technology to analyze lung images of COVID‐19 patients can achieve rapid and effective detection. This study proposes a COVSeg‐NET model that can accurately segment ground glass opaque lesions in COVID‐19 lung CT images. The COVSeg‐NET...

article

Fentanyl inhibits acute myeloid leukemia differentiated cells and committed progenitors via opioid receptor‐independent suppression of Ras and STAT5 pathways

Shuangbo Dai, Xiaoqing Zhang, Peng Zhang, Xuesong Zheng, more

Fundamental & Clinical Pharmacology > 35 > 1 > 174 - 183

Fentanyl is a common sedative/analgesic used for intrathecal chemotherapy injection in children with acute leukemia. Given the contradictory findings that fentanyl has both inhibitory and stimulatory activities in cancer cells, we investigated the biological effects of fentanyl alone and its combination with standard of care in acute myeloid leukemia (AML) cells at all stages of development. We showed...

article

Immobilizing Polysulfide by In Situ Topochemical Oxidation Derivative TiC@Carbon‐Included TiO₂ Core–Shell Sulfur Hosts for Advanced Lithium–Sulfur Batteries

Xiaoqing Zhang, Wei Yuan, Yang Yang, Yu Chen, more

Small > 16 > 52 > n/a - n/a

The performance of lithium–sulfur (Li–S) batteries is greatly hindered by the notorious shuttle effect of lithium polysulfides (LiPSs). To address this issue, in situ topochemical oxidation derivative TiC@carbon‐included TiO₂ (TiC@C‐TiO₂) core–shell composite is designed and proposed as a multifunctional sulfur host, which integrates the merits of conductive TiC core to facilitate the redox reaction...

article

Thermally Activated Delayed Fluorescence Sensitization for Highly Efficient Blue Fluorescent Emitters

Hadi Abroshan, Yadong Zhang, Xiaoqing Zhang, Canek Fuentes‐Hernandez, more

Advanced Functional Materials > 30 > 52 > n/a - n/a

Hyperfluorescence is emerging as a powerful strategy to develop optoelectronic devices with high‐color purity and enhanced stability. It requires appropriate integration of a sensitizer displaying efficient thermally activated delayed fluorescence (TADF) and an emitter displaying strong, narrow‐band fluorescence. Here, through a joint computational and experimental approach, an unprecedented, end‐to‐end...

article

Numerical investigation of water dynamics in a novel wettability gradient anode flow channel for proton exchange membrane fuel cells

Xiaoqing Zhang, Jiapei Yang, Xiao Ma, Wenmiao Chen, more

International Journal of Energy Research > 44 > 13 > 10282 - 10294

The effective removal and transport of water in flow channels play an important role in the water management of proton exchange membrane fuel cells (PEMFCs). In this paper, a novel design of anode serpentine flow channel with the wettability gradient wall is discussed and numerically investigated by utilizing the volume‐of‐fluid (VOF) method. The effects of the contact angle and the wettability gradient...

article

C1orf109L binding DHX9 promotes DNA damage depended on the R‐loop accumulation and enhances camptothecin chemosensitivity

Peng Dou, Yiqun Li, Haoxiu Sun, Wanqiu Xie, more

Cell Proliferation > 53 > 9 > n/a - n/a

Objectives R‐loop is a three‐stranded nucleic acid structure of RNA/DNA hybrid, which occurs naturally during transcription, and more R‐loop accumulation can trigger serious DNA damage. There has been increasing attention to the issue of R‐loop accumulation acted as a target for cancer therapy. However, the regulation of R‐loop‐associated proteins is poorly explored. Material and method Quantitative...

article

Tectonic evolution of the Tethyan region created the Eurasian extratropical biodiversity hotspots: tracing Pireneitega spiders’ diversification history

Zhe Zhao, Lili Shao, Fengyuan Li, Xiaoqing Zhang, more

Ecography > 43 > 9 > 1400 - 1411

The withdrawal of the Tethys Sea and the formation of the Alpine‐Himalayan orogenic belt profoundly impacted the distribution and composition of terrestrial biota in Eurasia. However, studies that have explicitly addressed the potential links between the series of tectonic activities in the Tethyan region and the formation of extratropical biodiversity hotspots in the Alpine‐Himalayan belt are rare...

article

Perinatal women's satisfaction with nurses caring behaviours in teaching hospitals in China

Fouzia Othman, Yilan Liu, Xiaoqing Zhang, Peihong Wang, more

Scandinavian Journal of Caring Sciences > 34 > 2 > 390 - 400

Background Adequate caring behaviours provided by nurses can increase patients’ satisfaction of care. Yet few researchers have examined women's satisfaction in nurses’ caring behaviours in China and then published the study in English. Aim The aim of this study was to identify the level of women's satisfaction with nurses’ caring behaviours during the antenatal, childbirth and postnatal periods...

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INFONA - science communication portal

Search results for: Xiaoqing Zhang

Flexible Supercapacitor with Wide Electrochemical Stable Window Based on Hydrogel Electrolyte

Comparative study on the adsorption of lead ions by kaolin loaded chitosan by different modification methods

Functional differentiation of two general‐odorant binding proteins in Hyphantria cunea (Drury) (Lepidoptera: Erebidae)

Synthesis and properties of a new polycarboxylic acid multi‐polymer scale inhibitor suitable for industrial circulating water

Laccase immobilization on bimetallic MOF‐derived porous carbon materials for the removal of bisphenol A

Damage and failure mechanism of sapphire under ballistic loading based on a modified bond‐based peridynamic model

Exploring the clinical efficacy of a self‐made acne prescription based on high‐throughput sequencing

Superhydrophobic Coating Deposited on Foamed Concrete with Super‐Robust Mechanical and Self‐Repairing Properties

Metal–Nitrogen–Carbon Single‐Atom Aerogels as Self‐Supporting Electrodes for Dechlorination of 1,2‐Dichloroethane

Online streaming feature selection for multigranularity hierarchical classification learning

Synthesis and property study of a polyether tercopolymer scale inhibitor with carboxyl and sulfonic acid groups

Self‐healing interface of carbon fiber reinforced composites using a thermally reversible sizing agent

COVSeg‐NET: A deep convolution neural network for COVID‐19 lung CT image segmentation

Fentanyl inhibits acute myeloid leukemia differentiated cells and committed progenitors via opioid receptor‐independent suppression of Ras and STAT5 pathways

Immobilizing Polysulfide by In Situ Topochemical Oxidation Derivative TiC@Carbon‐Included TiO₂ Core–Shell Sulfur Hosts for Advanced Lithium–Sulfur Batteries

Thermally Activated Delayed Fluorescence Sensitization for Highly Efficient Blue Fluorescent Emitters

Numerical investigation of water dynamics in a novel wettability gradient anode flow channel for proton exchange membrane fuel cells

C1orf109L binding DHX9 promotes DNA damage depended on the R‐loop accumulation and enhances camptothecin chemosensitivity

Tectonic evolution of the Tethyan region created the Eurasian extratropical biodiversity hotspots: tracing Pireneitega spiders’ diversification history

Perinatal women's satisfaction with nurses caring behaviours in teaching hospitals in China

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