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Floating plants reduced methane fluxes from wetlands by creating a habitat conducive to methane oxidation

Journal of Environmental Sciences 2024年第1期135卷 149-160页

作者： Fuwei Wang Songhe Zhang Xiuren Hu Xin Lv Min Liu Yu Ma Benjamin Manirakiza Key Laboratory of Integrated Regulation and resource Development on Shallow lakes Ministry of EducationHohai UniversityNanjing 210098China College of Environment Hohai UniversityNanjing 210098China China Machinery International Engineering Desigh and Research Institute co. Ltd.East China Regional CenterNanjing 210008China

Wetlands are one of the important natural sources of atmospheric methane (CH_4),as an important part of wetlands,floating plants can be expected to affect methane ***,the effects of floating plants on methane release are *** this study,methane fluxes,physiochemical properties of the overlying water,methane oxidation potential and rhizospheric bacterial community were investigated in simulated wetlands with floating plants Eichhornia crassipes,Hydrocharis dubia,and Trapa *** found that ***,***,and *** plants could inhibit 84.31%-97.31%,4.98%-88.91%and 43.62%-92.51%of methane fluxes at interface of water-atmosphere compared to Control,*** fluxes were negatively related to nutrients concentration in water column but positively related to the aerenchyma proportions of roots,stems,and *** the same biomass,root of *** (36.44%) had the highest methane oxidation potential,followed by *** (12.99%) and *** (11.23%).Forty-five bacterial phyla in total were identified on roots of three plants and 7 bacterial genera (2.10%-3.33%) were known *** I methanotrophs accounted for 95.07%of total *** pmoA gene abundances ranged from 1.90×10^(16)to 2.30×10^(18)copies/g fresh weight of root *** of pmoA gene was significantly positively correlated with environmental *** (5.40%) and methanotrophy (3.75%) function were closely related to methane *** study highlights that floating plant restoration can purify water and promote carbon neutrality partially by reducing methane fluxes through methane oxidation in wetlands.

关键词： Floating plants Methane fluxes Aerenchyma Methanotrophs

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Medium distribution, source characteristics and ecological risk of bisphenol compounds in agricultural environment

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Emerging Contaminants 2024年第2期10卷 65-75页

作者： Yihao Qin Jianchao Liu Lei Han Jinghua Ren Chenyang Jing Guanghua Lu Xinming Yang Key Laboratory of Integrated Regulation and resource Development of Shallow lakes of Ministry of Education Hohai UniversityNanjing210098China College of Environment Hohai UniversityNanjing210098China Jinan Environmental Research Institute(Jinan Yellow River Basin Ecological Protection Promotion center) JinanChina Technology Innovation center for Ecological Monitoring&Restoration Project on Land(arable) Ministry of Natural Resources Geological Survey of Jiangsu ProvinceNanjing210018China

Bisphenol compounds(BPs)are commonly used in industry and ***,BPs pollution has already raised global concerns due to their ecological *** study investigated nine types of BPs in agricultural soil and irrigation rivers,and evaluated the occurrence,source apportionment,and ecological risks for BPs in soils of agricultural environment by using principal component analysis-multivariate linear regression(PCA-MLR)and risk quotients(RQ).The average concentration of BPs in soil,irrigation water and sediments were 29.19 ng/g,30.21 ng/L and 610.09 ng/g dw,*** was the most highly detected contaminant in all *** soil,the primary BPA substitutes were bisphenol S(BPS)and bisphenol F(BPF),contributing about 50%to the pollution in ***-MLR analysis indicated that the release of solid waste was the primary cause of BPs pollution in the agricultural soils,following by waste water *** evaluation of RQ revealed that BPs presented a low to medium risk to algae,daphnia,and fish in irrigation rivers,while more than 90% of soil sampling sites faced medium or high risk,with BPA and BPS as the main contributors to the *** research findings offer evidence to support the assessment of contaminants concentration,source pathways,and risk management strategies pertaining to BPs in the agricultural *** ongoing BPA substitute occurrence,addressing risks to agricultural soil ecosystems remains crucial.

关键词： Bisphenol compounds Soil Irrigation rivers Ecological risks

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Synthesis of granulated Li_(1.33)Mn_(1.67)O_(4) via two antisolvent methods for lithium adsorption from gas-produced water

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Chinese Journal of Chemical Engineering 2024年第5期69卷 34-46页

作者： Jun Qiu Lu-Ri Bao Wei Guo Ying Yang Shu-Ying Sun National Engineering Research center for Integrated Utilization of Salt Lake resource East China University of Science and TechnologyShanghai 200237China

Gas-produced water is an accompanying wastewater in the natural gas extraction process,and it is a potential liquid lithium resource that contains a considerable amount of *** study investigated the feasibility of using manganese-based ion sieves to adsorb and extract lithium from gas-produced *** we focused on the applicability of two different granulation methods,extrusion and droplet,in gas-produced water *** types of H_(1.33)Mn_(1.67)O_(4) particles were prepared by the extrusion method(EHMO)and the droplet method(DHMO).The porosity of DHMO was much higher than that of EHMO,and the adsorption performance of DHMO increased with the decrease of binder *** prepared with a binder concentration of 0.14 g·ml^(-1)exhibited the best adsorption performance in gas-produced water,and the Li^(+)adsorption capacity could reach 25.14 mg·g^(-1).In gas-produced water,the adsorption equilibrium of DHMO only took 9 h,and the adsorption process conformed to the Langmuir model and pseudo-second-order kinetic *** pore diffusion model(PDM)could well describe its adsorption ***,DHMO showed a great selectivity to Li^(+),and the selectivity order of DHMO in gas-produced water was Li^(+)>Ba^(2+)>>Mg^(2+),Ca^(2+),Sr^(2+)>>Na^(+)>>K^(+).After 20 cycles,the Li^(+)adsorption capacity was still higher than 17.30 mg·g^(-1),and the rate of manganese dissolution was less than 1%.

关键词： Gas-produced water Granulation Li_(1.33)Mn_(1.67)O_(4)

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Assembly of a core–shell MOF with stability into polyacrylamide hydrogel for boosting extraction of uranium from seawater

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Nano Research 2024年第4期17卷 3398-3406页

作者： Yucheng Song Huanhuan Tan Shiliang Qin Zhong Liu Chuntai Liu Changyu Shen Peipei Yang Songwei Li National Engineering Research center for Advanced Polymer Processing Technology Key Laboratory of Materials Processing and Mold(Ministry of Education)Zhengzhou UniversityZhengzhou 450002China Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake resources Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt LakesQinghai Institute of Salt LakesChinese Academy of SciencesXining 810008China

Efficient and selective extraction of uranium(U(VI))from seawater is essential for sustainable nuclear power *** study reports a novel adsorbent zeolitic imidazolate framework(ZIF)-67@SiO_(2)-A/polyacrylamide(PAM)which was synthesized by grafting the core–shell metal–organic frameworks(MOFs)-based nanostructures coated with the 3-aminopropyl triethoxysilane(APTES)functionalized SiO_(2)(SiO_(2)-A)onto PAM *** SiO_(2) shell was grown on the surface of MOF,which improved the acid-base resistance of *** introduction of ZIF-67@SiO_(2)-A enhances the specific surface area and adsorption efficiency of the *** ZIF-67@SiO_(2)-A/PAM shows remarkable adsorption capacity,fast adsorption kinetics,and good reusability for *** has excellent adsorption property(6.33 mg·g^(-1),30 d)in natural *** X-ray photoelectron spectroscopy(XPS),Fourier transform infrared(FTIR),energy dispersive spectroscopy(EDS)mappings,and density functional theory reveal that the coordination by N and O in ZIF-67@SiO_(2)-A/PAM with uranium is the main mechanism of uranium ***,ZIF-67@SiO_(2)-A/PAM has great potential to capture uranium from natural seawater.

关键词： hydrogel metal–organic frameworks core–shelled nanostructures uranium extraction from seawater

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Structure Engineering of Layered Double Hydroxides(LDHs)for Heterogeneous Catalysis

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Chemical Research in Chinese Universities 2024年第4期40卷 590-610页

作者： GAO Zhexi MA Haoran WANG Qian LI Dianqing FENG Junting DUAN Xue State Key Laboratory of Chemical resource Engineering Beijing Engineering Center for Hierarchical CatalystsBeijing University of Chemical TechnologyBeijing100029P.R.China Quzhou Institute for Innovation in resource Chemical Engineering Quzhou324000P.R.China

Layered double hydroxide(LDH)is regarded as an advanced platform material in catalysis and attracts vast attrition *** a kind of two-dimensional layered material,it exhibits great advantages including cation-tunability in layer,lattice limitation,topological transformation,ion exchange and intercalation *** also can be used as building blocks for composite catalytic *** 100 years,a large number of works have been accomplished and researchers made great progress on investigating the LDH-based catalytic *** this review,we summarize representative achievements and significant progress in recent years,which mainly include constructing high entropy catalytic material,high dispersion/stability and interfacial supported catalytic material,composite catalytic materials and nano-reactor based on ***,through collecting the excellent works,we conclude the future development potential of LDH and provide a perspective.

关键词： Layered double hydroxide(LDH)material Heterogeneous catalysis Structure engineering

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Carbon emission reduction: Contribution of geothermal energy and practice in China

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China Geology 2024年第1期7卷 161-164页

作者： Liang Wang Li-qiong Jia natural resources Integrated Survey Command center China Geological SurveyMinistry of Natural ResourcesBeijing 100055China Development and Research center China Geological SurveyMinistry of Natural ResourcesBeijing 100037China

As a kind of natural energy from the earth’s interior,geothermal energy is characterized by large reserve,wide distribution,good stability,high utilization coefficient,and positive effects of energy-saving and *** is of great significance for promoting green and low-carbon energy transition,reducing greenhouse gas emission,and achieving global climate goals and sustainable economic ***,it has been highly recognized and valued by lots of countries around the world,and has become one of the most important clean energy sources that countries are accelerating to develop and *** potential of the global geothermal energy resource is estimated to be 1.25×1027 J,equivalent to 4.27×10^(16) t of standard coal,among which the geothermal resource between 0 km and 5 km is 1.45×10^(26) J,equivalent to 4.95×1015 t of standard coal(China Geological Survey,2018).

关键词： energy utilize interior

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Branched glycopolymer prodrug-derived nanoassembly combined with a STING agonist activates an immuno-supportive status to boost anti-PD-L1 antibody therapy

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Acta Pharmaceutica Sinica B 2024年第5期14卷 2194-2209页

作者： Zhilin Li Qianfeng Zhang Zhiqian Li Long Ren Dayi Pan Qiyong Gong Zhongwei Gu Hao Cai Kui Luo Department of Radiology Huaxi MR Research Center(HMRRC)Clinical Research Center for BreastDepartment of Breast SurgeryDepartment of Thoracic Surgery and Institute of Thoracic OncologyFrontiers Science Center for Disease-Related Molecular NetworkState Key Laboratory of BiotherapyWest China Hospital Sichuan UniversityChengdu 610041China Functional and Molecular Imaging Key Laboratory of Sichuan Province and Research Unit of PsychoradiologyChinese Academy of Medical SciencesChengdu 610041China Department of Radiology West China Xiamen Hospital of Sichuan UniversityXiamen 361021China Key Laboratory of Medicinal Chemistry for natural resource Ministry of EducationYunnan Key Laboratory of Research and Development for Natural ProductsSchool of PharmacyYunnan UniversityKunming 650500China

Despite the great potential of anti-PD-L1 antibodies for immunotherapy,their low response rate due to an immunosuppressive tumor microenvironment has hampered their *** address this issue,we constructed a cell membrane-coated nanosystem(mB4S)to reverse an immunosuppressive microenvironment to an immuno-supportive one for strengthening the anti-tumor *** this system,Epirubicin(EPI)as an immunogenic cell death(ICD)inducer was coupled to a branched glycopolymer via hydrazone bonds and diABZI as a stimulator of interferon genes(STING)agonist was encapsulated into *** internalization of mB4S,EPI was acidic-responsively released to induce ICD,which was characterized by an increased level of calreticulin(CRT)exposure and enhanced ATP ***,diABZI effectively activated the STING *** with mB4S in combination with an anti-PD-L1 antibody elicited potent immune responses by increasing the ratio of matured dendritic cells(DCs)and CD8+T cells,promoting cytokines secretion,up-regulating M1-like tumor-associated macrophages(TAMs)and down-regulating immunosuppressive myeloid-derived suppressor cells(MDSCs).Therefore,this nanosystem for co-delivery of an ICD inducer and a STING agonist achieved promotion of DCs maturation and CD8+T cells infiltration,creating an immuno-supportive microenvironment,thus potentiating the therapy effect of the anti-PD-L1 antibody in both 4T1 breast and CT26 colon tumor mice.

关键词： Glycopolymer Polymer prodrug Immunogenic cell death Nanoassembly Epirubicin STING pathway Immuno-supportive microenvironment Immunotherapy

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Electrochemical and colorimetric dual-signal detection of Staphylococcus aureus enterotoxin B based on AuPt bimetallic nanoparticles loaded Fe-N-C single atom nanocomposite

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Food Science and Human Wellness 2024年第4期13卷 2025-2035页

作者： Huan Liang Hongcheng Liu Haojian Lin Guobao Ning Xiaokang Lu Siying Ma Fei Liu Hui Zhao Canpeng Li School of Chemical Science and Technology Yunnan UniversityKey Laboratory of Medicinal Chemistry for Natural ResourceMinistry of EducationKunming 650091China Institute of Quality Standard and Testing Technology Yunnan Academy of Agricultural ScienceSupervision and Testing Center for Farm Product QualityMinistry of AgricultureKunming 650223China State Key Laboratory of Optoelectronic Materials and Technologies Guangdong Province Key Laboratory of Display Material and TechnologySchool of Electronics and Information TechnologySun Yat-sen UniversityGuangzhou 510275China Laboratory for Conservation and Utilization of Bio-resource Yunnan UniversityKunming 650091China

Sensitive detection of Staphylococcus aureus enterotoxin B(SEB)is of importance for preventing food poisoning from threatening human *** this work,an electrochemical and colorimetric dual-signal detection assay of SEB was *** probe(Ab2/AuPt@Fe-N-C)was bound to SEB captured by Ab1,where the Ab2/AuPt@Fe-N-C triggered methylene blue degradation and resulted in the decrease of electrochemical ***,the probe catalyzed the oxidation of 3,3’,5,5’-tetramethyl biphenyl to generate a colorimetric absorbance at 652 *** the target was captured and formed a sandwich-like complex,the color changed from colorless to *** detection by colorimetric and electrochemical methods showed a linear relationship in the concentration ranges of 0.0002-10.0000 and 0.0005-10.0000 ng/mL,with limits of detection of 0.0667 and 0.1670 pg/mL,*** dual-signal biosensor was successfully used to detect SEB in milk and water samples,which has great potential in toxin detection in food and the environment.

关键词： Staphylococcus aureus enterotoxin Electrochemical immunosensor Colorimetric assay MOF@borophene composite Dual-functional Fe-N-C signal atom catalyst

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Geographical features and development models of estuarine cities

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Journal of Geographical Sciences 2024年第1期34卷 25-40页

作者： CHEN Mingxing XIAN Yue HUANG Yaohuan SUN Zhigang WU Chengbin Key Laboratory of Regional Sustainable Development Modeling Institute of Geographic Sciences and Natural Resources ResearchCASBeijing 100101China College of resource and Environment University of Chinese Academy of SciencesBejing 100049China State Key Laboratory of resources and Environmental Information System Institute of Geographic Sciences and Natural Resources ResearchCASBeijing 100101China Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources ResearchCASBeijing 100101China Zhongke Shandong Dongying Institute of Geography Dongying 257509ShandongChina CAs Engineering Laboratory for Yellow River Delta Modern Agriculture Institute of Geographic Sciences and Natural Resources ResearchCASBeijing 100101China

Cities are the key areas for human beings to achieve sustainable development goals in the *** cities are a special type of coastal city in urgent need of a clear *** paper proposed that estuarine cities are cities developed on the coast where rivers and oceans meet and defined four connotations,including the intersection of rivers and marine water systems,the coordinated development of land and oceans,the location advantages of connecting rivers and seas,and the important fragility of the ecological *** used Hydro SHEDS,OSM,GPW,and urban socioeconomic statistics and selected 50 estuarine cities with large rivers as representatives to summarize the main geographical basis and socioeconomic *** are primarily found in low-altitude,flat regions with average annual temperatures that mainly vary from 10℃to 25℃,relatively abundant precipitation,and extensive biological *** are substantial variations in the socioeconomic features of estuarine *** proposed eight development patterns,including open and inclusive city spirit,high-quality livable cities,high-quality development driven by innovation,integration of internal and external communication with ports and cities,construction of an international financial center,ecological environment protection and restoration,active promotion of cultural tourism,and positive international exchanges.

关键词： estuarine cities great rivers development models sustainability physical geography socioeconomy

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In situ single iron atom doping on Bi_(2)WO_(6)monolayers triggers efficient photo-fenton reaction

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Environmental Science and Ecotechnology 2024年第4期20卷 315-322页

作者： Wei Liu Peifang Wang Juan Chen Xin Gao Huinan Che Xiaozhi Su Bin Liu Yanhui Ao Key Laboratory of Integrated Regulation and resource Development on Shallow lakes Ministry of EducationCollege of EnvironmentHohai UniversityNo.1Xikang RoadNanjing210098China School of Chemical and Biomedical Engineering Nanyang Technological UniversitySingapore637459Singapore Shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai201204China

Developing an efficient photocatalytic system for hydrogen peroxide(H_(2)O_(2))activation in Fenton-like processes holds significant promise for advancing water purification ***,challenges such as high carrier recombination rates,limited active sites,and suboptimal H_(2)O_(2)activation efficiency impede optimal *** we show that single-iron-atom dispersed Bi_(2)WO_(6)monolayers(SIAD-BWOM),designed through a facile hydrothermal approach,can offer abundant active sites for H_(2)O_(2)*** SIAD-BWOM catalyst demonstrates superior photo-Fenton degradation capabilities,particularly for the persistent pesticide dinotefuran(DNF),showcasing its potential in addressing recalcitrant organic *** reveal that the incorporation of iron atoms in place of tungsten within the electron-rich[WO_(4)]^(2-)layers significantly facilitates electron transfer processes and boosts the Fe(II)/Fe(III)cycle *** experimental investigations and theoretical analyses further elucidate how the atomically dispersed iron induces lattice strain in the Bi_(2)WO_(6)monolayer,thereby modulating the d-band center of iron to improve H_(2)O_(2)adsorption and *** research provides a practical framework for developing advanced photo-Fenton catalysts,which can be used to treat emerging and refractory organic pollutants more effectively.

关键词： H_(2)O_(2)activation Water treatment Bismuth tungstate Photo-fenton catalysts Emerging organic pollutants

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