Weifeng Chen
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View article: Development of poly-D-mannose-stabilized silver nanoparticles exhibiting antibacterial and antibiofilm properties
Development of poly-D-mannose-stabilized silver nanoparticles exhibiting antibacterial and antibiofilm properties Open
In this study, previously synthesized poly-D-mannose (PM) served as the stabilizing agent for the production of silver nanoparticles (designated PM-AgNPs), which were subsequently assessed for their antibacterial and antibiofilm capabiliti…
View article: Diverse in vitro liver models reveal comprehensive biotransformation pathways of tetrabromobisphenol A
Diverse in vitro liver models reveal comprehensive biotransformation pathways of tetrabromobisphenol A Open
Tetrabromobisphenol A is a widely used brominated flame retardant. Its biotransformation in human liver has raised significant environmental and health concerns. This study investigated and compared the metabolism of TBBPA in three in vitr…
View article: Diversity of rhizosphere microbial communities and environmental variables in wild and cultivated Scutellaria baicalensis Georgi and their effect on flavonoid
Diversity of rhizosphere microbial communities and environmental variables in wild and cultivated Scutellaria baicalensis Georgi and their effect on flavonoid Open
Purpose Scutellaria baicalensis Georgi in Yaozhou District in Shaanxi Province is an important Dao-di Herb. However, little is known about the differences between wild and cultivated S. baicalensis rhizosphere microbial communities, and ho…
View article: Experimental Study on Combustion Characteristics of Methane Vertical Jet Flame
Experimental Study on Combustion Characteristics of Methane Vertical Jet Flame Open
A jet flame is a common type of flame in fires in the oil and gas industries. At present, research on jet flames is still not comprehensive enough. To systematically investigate the combustion characteristics of vertical methane jet flames…
View article: Simultaneous Framework for Dynamic Optimization Based on Density Functions
Simultaneous Framework for Dynamic Optimization Based on Density Functions Open
Regarding the discretization issue in the process of a simultaneous approach for dynamic optimization problems, a configuration strategy based on the density function has been proposed for the finite element distribution of dynamic optimiz…
View article: Exploring artificial intelligence applications in construction and demolition waste management: a review of existing literature
Exploring artificial intelligence applications in construction and demolition waste management: a review of existing literature Open
This study presents a comprehensive analysis of artificial intelligence (AI) applications in construction and demolition waste management (CDWM), examining current trends, limitations, and opportunities for enhanced sustainability. Through…
View article: Efficient biological carbon export to themesopelagic ocean induced bysubmesoscale fronts
Efficient biological carbon export to themesopelagic ocean induced bysubmesoscale fronts Open
Oceanic submesoscale processes are ubiquitous in the North Pacific Subtropical Gyre (NPSG), where the biological carbon pump is generally ineffective. Due to difficulties in collecting continuous observations, however, it remains uncertain…
View article: Oxalamide-derived ionic polymer/carbon nanotube composites: Highly active heterogeneous catalyst for promoting cycloaddition of carbon dioxide to epoxides
Oxalamide-derived ionic polymer/carbon nanotube composites: Highly active heterogeneous catalyst for promoting cycloaddition of carbon dioxide to epoxides Open
Ionic polymers functionalized with hydrogen bond donors (HBDs) exhibit immense potential in the green chemical fixation of carbon dioxide (CO2); however, achieving high catalytic activity remains a significant challenge. In this study, we …
View article: Investigation of the Effect of Casing-to-Wellbore Clearance on Equivalent Circulating Density During Casing Running
Investigation of the Effect of Casing-to-Wellbore Clearance on Equivalent Circulating Density During Casing Running Open
As drilling depth increases, the demand for a multi-layer wellbore structure grows. However, with the upper wellbore diameter fixed, reducing the casing-to-wellbore clearance becomes necessary to increase the number of casing strings. This…
View article: In situ electrochemical synthesis of atomically dispersed metal sites for efficient hydrogen evolution reaction
In situ electrochemical synthesis of atomically dispersed metal sites for efficient hydrogen evolution reaction Open
The development of efficient and robust non‐Pt and low‐Pt catalysts with equivalent or even superior performance to commercial Pt‐based catalysts for hydrogen evolution reaction (HER) is highly desired, but challenging, in the field of wat…
View article: Natural impaired peroxisomal side-chain shortening reaction of 3-oxo-3-phenylpropanoyl CoA reveals plant acetophenone biosynthetic pathway
Natural impaired peroxisomal side-chain shortening reaction of 3-oxo-3-phenylpropanoyl CoA reveals plant acetophenone biosynthetic pathway Open
Acetophenones, which show scattered distribution in organisms including phylogenetically distant plants and fungi, are play diverse roles in plant-plant, plant-insect, plant-microbiome, and even animal-insect interactions. However, the enz…
View article: Effect of Ti-doping on the dimer transition in Lithium Ruthenate
Effect of Ti-doping on the dimer transition in Lithium Ruthenate Open
We carried out a comprehensive crystal structure characterization of Ti-doped lithium ruthenate (Li$_2$Ti$_x$Ru$_{1-x}$O$_3$), to investigate the effect of Ti-doping on the structural phase transition. Experimental tools sensitive to the a…
View article: Enhanced Research Needed on the Structural Analogues of Chlorinated Paraffins as Emerging Contaminants of Concern
Enhanced Research Needed on the Structural Analogues of Chlorinated Paraffins as Emerging Contaminants of Concern Open
ADVERTISEMENT RETURN TO ARTICLES ASAPViewpointNEXTEnhanced Research Needed on the Structural Analogues of Chlorinated Paraffins as Emerging Contaminants of ConcernWeifang ChenWeifang ChenSchool of Environment, Hangzhou Institute for Advanc…
View article: Dual‑regulated oncolytic adenovirus carrying <i>ERCC1</i>‑siRNA gene possesses potent antitumor effect on ovarian cancer cells
Dual‑regulated oncolytic adenovirus carrying <i>ERCC1</i>‑siRNA gene possesses potent antitumor effect on ovarian cancer cells Open
Ovarian cancer is a multifactorial and deadly disease. Despite significant advancements in ovarian cancer therapy, its incidence is on the rise and the molecular mechanisms underlying ovarian cancer invasiveness, metastasis and drug resist…
View article: Roles of biochars’ properties in their water-holding capacity and bound water evaporation: quantitative importance and controlling mechanism
Roles of biochars’ properties in their water-holding capacity and bound water evaporation: quantitative importance and controlling mechanism Open
Important properties of biochar as an effective soil amendment are its high water-holding capacity (WHC) and inhibition of water evaporation. However, the mechanism and the importance of biochar properties in controlling its own WHC and bo…
View article: Swift Carrier Scheduling for Battery-free Sensor Tags with Sensing Chain Requirements
Swift Carrier Scheduling for Battery-free Sensor Tags with Sensing Chain Requirements Open
Battery-free sensor tags extensively enhance sensing capabilities of IoT in a cost-effective manner, which are provided energy from unmodulated carriers of other IoT devices. Passive tag scheduling algorithms have been proposed to achieve …
View article: Carbon stocks in the mud areas of the Chinese marginal seas
Carbon stocks in the mud areas of the Chinese marginal seas Open
Continental marginal seas are key systems in the global carbon cycle. Carbon stocks represent the ability to store carbon, thus quantifying the carbon stocks in marine sediments would help to better understand their importance in the carbo…
View article: A fluid identification method for caved-fracture reservoirs based on the stacking model
A fluid identification method for caved-fracture reservoirs based on the stacking model Open
It is difficult to identify the fluid properties with one single logging curve in a caved-fracture reservoir due to multi-stage tectonism, diagenetic evolution, rapid lithology change, developed fractures, and significant heterogeneity. Th…
View article: Water-soluble organic carbon (WSOC) from vegetation fire and its differences from WSOC in natural media: Spectral comparison and self-organizing maps (SOM) classification
Water-soluble organic carbon (WSOC) from vegetation fire and its differences from WSOC in natural media: Spectral comparison and self-organizing maps (SOM) classification Open
Vegetation fire frequently occurs globally and produces two types of water-soluble organic carbon (WSOC) including black carbon WSOC (BC-WSOC) and smoke-WSOC, they will eventually enter the surface environment (soil and water) and particip…
View article: Partitioning of carbon export in the euphotic zone of the oligotrophic South China Sea
Partitioning of carbon export in the euphotic zone of the oligotrophic South China Sea Open
We conducted samplings of total and particulate 234Th, along with particulate organic carbon (POC), in the summer of 2017 to examine nutrient-dependent structures of export productivity within the euphotic zone (Ez) of the oligotrophic bas…
View article: Origins and chemical evolution of hydrothermal fluids in the Shazhou volcanic-related type U deposit at the Xiangshan district, South China: New insights from LA-ICP-MS analysis of fluid inclusions
Origins and chemical evolution of hydrothermal fluids in the Shazhou volcanic-related type U deposit at the Xiangshan district, South China: New insights from LA-ICP-MS analysis of fluid inclusions Open
The volcanic-related type U mineralization in South China has been associated with the crustal extension occurred since the late Cretaceous. Uranium deposits of this type are spatially related to the Cretaceous red-bed basins and synchrono…
View article: Investigation of Cu-site disorder in undoped and doped BiCuSeO
Investigation of Cu-site disorder in undoped and doped BiCuSeO Open
We carried out X-ray diffraction and Extended X-ray Absorption Fine Structure (EXAFS) studies to investigate the origin of the low lattice thermal conductivity in BiCuSeO, and the role of silver (Ag) doping in doped samples. BiCuSeO is a p…
View article: Pyrolysis Atmospheres and Temperatures Co-Mediated Spectral Variations of Biochar-Derived Dissolved Organic Carbon: Quantitative Prediction and Self-Organizing Maps Analysis
Pyrolysis Atmospheres and Temperatures Co-Mediated Spectral Variations of Biochar-Derived Dissolved Organic Carbon: Quantitative Prediction and Self-Organizing Maps Analysis Open
Biochar-derived dissolved organic carbon (BDOC), as a highly activated carbonaceous fraction of biochar, significantly affects the environmental effect of biochar. This study systematically investigated the differences in the properties of…