Publications by authors named "Shiwen Lv"

Article Synopsis
  • The study presents a method for creating a CuO/FeO composite with a heterostructure, which enhances charge transfer due to an internal electric field at the interface.
  • This internal electric field induces distinct electron-rich and electron-deficient zones, triggering effective reactions with peroxymonosulfate (PMS) that lead to the production of reactive oxygen species.
  • The CuO/FeO composite system shows strong potential for wastewater treatment by efficiently mineralizing organic pollutants into non-toxic by-products, offering new insights for future research in this field.
View Article and Find Full Text PDF

Nowadays, water splitting has been recognized as one of the most attractive ways to produce clean hydrogen energy. Herein, a novel sulfur-doped layered double-hydroxide (namely, S-NiCo-LDH) electrocatalyst with nanocage structure is prepared. After the etching treatment with Ni ions, the spatial structure of the catalysts is opened, and the hydrophilicity is improved, which will enhance the adsorption capacity for HO to provide convenience for hydrogen evolution reaction (HER).

View Article and Find Full Text PDF
Article Synopsis
  • The study focuses on a novel ZnO/ZnInS composite designed to enhance hydrogen peroxide (HO) generation through improved charge transfer and reduced recombination of photoinduced electrons and holes.
  • The composite's structure increases hydrophobicity and creates a three-phase interface that boosts oxygen capture, facilitating the reduction reaction and accelerating HO production.
  • With an impressive maximum yield of 897.6 μmol/g/h under visible light, the composite also demonstrates effective degradation of drug residues like diclofenac sodium and inactivation of pathogenic bacteria, positioning it as a promising solution for environmental applications.
View Article and Find Full Text PDF

It is of great significance to establish an effective method for removing Cr(VI) from wastewater. Herein, Fe-doped g-CN (namely Fe-g-CN-2) was synthesized and then employed as photocatalyst to conduct the test of Cr(VI) reduction. Notably, the embedding of Fe ion in g-CN can offer the Fe/Fe redox couples, so reducing the interfacial resistance of charge transfer and suppressing the recombination of photogenerated electrons and holes.

View Article and Find Full Text PDF

, a Chinese traditional food and herb medicine, possesses notable cardiovascular health-promoting properties, with notoginsenoside (NG)-R1 being a key active compound. Insulin resistance represents a global health concern associated with various metabolic disorders. This study investigated the effects of NG-R1 on palmitic acid (PA)-induced insulin resistance and oxidative stress in human umbilical vein endothelial cells (HUVECs).

View Article and Find Full Text PDF

Photocatalytic technique is regarded as the cleanest approach for producing HO. Herein, two kinds of novel polyimide COFs decorated with CQDs (namely, MPa-COFs/CQDs and MNd-COFs/CQDs) were constructed by using the one-pot hydrothermal method. Due to the electron donor role of CQDs, the recombination of photoinduced electrons and holes was suppressed after the combination of polyimide COFs with CQDs.

View Article and Find Full Text PDF

It is of great significance to develop the effective technique to treat phenol-containing wastewater. Herein, Fe-based prussian blue analogues-derived zero valent iron (ZVI) was successfully synthesized by one-step calcination method. Owing to high specific surface area and rich active sites, ZVI-2 possessed excellent performance in charge transfer.

View Article and Find Full Text PDF

Photocatalytic oxygen reduction is regarded as the cleanest approach for the production of hydrogen peroxide (HO). Herein, oxygen-modified graphite carbon nitride (g-CN) with nitrogen-defect (namely g-CN-ND4-OM3) was synthesized by a feasible method. Owing to the existence of nitrogen vacancy and oxygen-containing functional group, the absorption bands derived from n → π* and π → π* electronic transitions were enhanced, thereby enlarging the visible light response range of catalysts.

View Article and Find Full Text PDF

A novel CeO/CoO-FeO@CC electrode derived from CeCo-MOFs was developed for detecting the endocrine disruptor bisphenol A (BPA). Firstly, bimetallic CeCo-MOFs were prepared by hydrothermal method, and obtained material was calcined to form metal oxides after doping Fe element. The results suggested that hydrophilic carbon cloth (CC) modified with CeO/CoO-FeO had good conductivity and high electrocatalytic activity.

View Article and Find Full Text PDF

It is of great significance to regulate rationally the activation mechanism of persulfate for promoting the development of sulfate radical-based advanced oxidation processes in wastewater treatment. Herein, carbon coated porous CoO with hollow structure was synthesized. Notably, the formation of porous hollow structure improved specific surface area of CoO and offered more redox couples of Co/Co, thereby reducing electron transfer resistance.

View Article and Find Full Text PDF

Poor water stability and difficult separation severely limited the application of Co-based catalysts in persulfate activation. Herein, for the first time, the calcium alginate-immobilized Co-g-CN-2 composite microspheres were prepared by a feasible method. Notably, embedding Co ion into g-CN can improve its specific surface area and electrochemical activities.

View Article and Find Full Text PDF

Linezolid is an oxazolidinone antibacterial drug, and its therapeutic drug monitoring and individualized treatment have been challenged since its approval. With the in-depth clinical research of linezolid, we have changed our attitude toward its therapeutic drug monitoring and our view of individualized treatment. On the basis of summarizing the existing clinical studies, and based on the practical experience of each expert in their respective professional fields, we have formed this expert consensus.

View Article and Find Full Text PDF

Covalent-organic frameworks (COFs) have lately received extensive interest for their outstanding performance, especially to adsorption of hazards, while easy-preparation of uniform-sized COFs hold a great challenge. This research presented a simple synthesis method of flower-shaped COF (nanoflower) with strong hydrophobic surface at room temperature. Taking advantage of its easy-prepared and uniform-sized features, we proposed a versatile and efficient sample-pretreatment platform by employing the nanoflower COF for affinity adsorption of various hydrophobic biotoxins and further surface imprinting for selective enrichment of specific biotoxin (COF@MIP), respectively.

View Article and Find Full Text PDF

Nowadays effective treatment of high concentration organic wastewater is still a formidable task facing human beings. Herein, for the first time, a well-defined ZIF-67-derived NiCoO nanosheet array was successfully prepared by a feasible method. In comparison with ordinary NiCoO nanosphere, the formation of nanosheet structure could offer more opportunities to exposure internal active sites of NiCoO, thereby resulting in smaller interface resistance and higher charge transfer efficiency.

View Article and Find Full Text PDF

Bimetallic oxides with spinel structure show great prospects in the photocatalysis owing to many active sites. Herein, a novel 500NiCoO@CdS-5%Ag composite was fabricated via a feasible strategy. Interestingly, the combination with NiCoO could significantly enhance the absorption ability of CdS for visible light.

View Article and Find Full Text PDF

It is of great significance to eliminate excessive reactive oxygen species (ROS) for treating inflammatory bowel disease (IBD). Herein, for the first time, a novel nanozyme NiCo O @PVP is constructed via a step-by-step strategy. Noticeably, the existence of oxygen vacancy in the NiCo O @PVP is helpful for capturing oxygenated compounds, while both redox couples of Co /Co and Ni /Ni will offer richer catalytic sites.

View Article and Find Full Text PDF

Integration of novel bio-/nanostructures as effective sensing platforms is still of great significance for robust and rapid analysis. Herein, a novel metal-organic framework-derived NiCoO was synthesized via a feasible templating method. Significantly, redox couples of both Ni/Ni and Co/Co provided richer oxidation-reduction reactions, thereby leading to an enhanced catalytic activity.

View Article and Find Full Text PDF

Phthalate acid esters (PAEs) are one of the essential plastic additives which may lead to plenty of harmful effects, including reproductive toxicity, teratogenicity, and carcinogenicity. Increasing attention has been paid to the migration of plasticizer. In this article, the disposable plastic lunch boxes were taken as the research object.

View Article and Find Full Text PDF

Iron deficiency (ID) caused by blood loss and/or reduced iron absorption is a serious problem influencing health in inflammatory bowel disease (IBD). However, traditional iron supplements may fail to meet no side effect demands for ID of IBD; thus, a new iron supplementation is highly desired to be developed. Herein, for the first time, probiotic NKU556 with an iron-enriching ability was screened from Chinese traditional fermented food then employed to intervene DSS-induced colitis with bioluminescence tracing in mice.

View Article and Find Full Text PDF

As a kind of polymer material additive, phthalic acid esters (PAEs) are widely used in food industry. However, PAEs are environmental endocrine disruptors with reproductive toxicity and teratogenic carcinogenicity, which are difficult to be degraded in the natural environment. In this paper, gas chromatography-mass spectrometer (GC-MS) methods for PAEs in polyethylene wrap film were optimized.

View Article and Find Full Text PDF

In this study, the removal performance of a hybrid ozonation-coagulation (HOC) process using AlCl6HO (Al-HOC) and FeCl6HO (Fe-HOC) as coagulants for the treatment of wastewater treatment plant (WWTP) effluent and ibuprofen (IBP) was investigated. Compared with the conventional coagulation process and pre-ozonation-coagulation process, much better organic matter removal performance can be achieved for both the Al-HOC and Fe-HOC processes. The Fe-HOC process showed an obviously higher dissolved organic carbon (DOC) removal efficiency than that of the Al-HOC process.

View Article and Find Full Text PDF

Food-borne bacteria have received increasing attention due to their great impact on human health. Bioimaging makes it possible to monitor bacteria inside the living body in real time and . Nano-luciferase (NLuc) as a new member of the luciferase family exhibits superior properties than the commonly used luciferases, including small size, high stability and improved luminescence.

View Article and Find Full Text PDF

Nowadays, designing highly active photocatalysts for pollutant degradation under visible light still remains a challenging problem. Herein, a novel benzothiadiazole functionalized Co-doped MOF-based photocatalyst with electron deficient unit was first synthesized via a feasible step-by-step assembly strategy. Benzothiadiazole, as typical electron deficient group, could effectively promote the separation and transfer of photoinduced charge carriers.

View Article and Find Full Text PDF

Nowadays, the visible-light-driven photocatalysis via advanced photocatalyst for PS activation have promising applications in wastewater treatment. Herein, for the first time, two novel MOFs@COFs hybrid materials (denoted as MIL-101-NH@TpMA and UiO-66-NH@TpMA) with nitrogen-rich building blocks were fabricated via a feasible step-by-step assembly method, and then employed as efficient photocatalytic platform coupling with sulfate radical-based advanced oxidation processes for the degradation of BPA under visible light irradiation. Detailed analyses revealed that the hybridization of MOFs and COFs could greatly boost visible light absorption, while the heterojunction formed at the interface could effectively facilitate the separation and transfer of photogenerated electron-hole pairs.

View Article and Find Full Text PDF

Aflatoxins have been a hot topic in the field related into public health and ecosystem protection, and great effort has been made in developing of adsorptive materials for effective probing the target aflatoxins. Conventional materials, like metal-organic frameworks (MOFs) showed promising application in separation science. However, the cumbersome separation process, competitive adsorption are also major challenges.

View Article and Find Full Text PDF