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A review of functions and mechanisms of clay soil conditioners and catalysts in thermal remediation compared to emerging photo-thermal catalysis

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Journal of environmental Sciences 2025年第1期147卷 22-35页

作者： Juan Zhang Shuo Wang Xin Wang Wentao Jiao Minghua Zhang Fujun Ma State Key Laboratory of Advanced Metallurgy School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing 100083China research Center for Eco-environmental Sciences Chinese Academy of SciencesBeijing 100085China College of Agricultural and environmental Sciences University of CaliforniaDavisCA 95616USA State Key Laboratory of environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China

High temperatures and providing sufficient time for the thermal desorption of persistent organic pollutants(POPs)from contaminated clay soils can lead to intensive energy ***,this article provides a critical review of the potential additives which can improve soil texture and increase the volatility of POPs,and then discusses their enhanced mechanisms for contributing to a green ***-based additives have been used to reduce plasticity of bentonite clay,absorb water and replenish system *** contrast,non-Ca-based additives have been used to decrease the plasticity of kaolin *** soil structure and soil plasticity can be changed through cation exchange and flocculation *** transitionmetal oxides and alkalimetal oxides can be applied to catalyze and oxidize polycyclic aromatic hydrocarbons,petroleum and emerging *** this system,reactive oxygen species(•O_(2)^(-)and•OH)are generated fromthermal excitation without strong chemical ***,multiple active ingredients in recycled solid wastes can be controlled to reduce soil plasticity and enhance thermal ***,the alkali,nano zero-valent iron and nano-TiN can catalyze hydrodechlorination of POPs under reductive ***,photo and photo-thermal catalysis are discussed to accelerate replacement of fossil fuels by renewable energy in thermal remediation.

关键词： Persistent organic contaminants Clay soils Thermal remediation Soil conditioning Synergistic catalysis

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Adsorption of typical NDMA precursors by superfine powdered activated carbon:Critical role of particle size reduction

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Journal of environmental Sciences 2025年第1期147卷 101-113页

作者： Ying Wang Zhichen Zhang Zhihang Yin Jun Wang Xiaojian Zhang Chao Chen State Key Joint Laboratory of environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China research Institute for environmental Innovation(Suzhou) TsinghuaSuzhou 215163China

Control of N-nitrosodimethylamine(NDMA)in drinking water could be achieved by removing its precursors as one practical ***,superfine powdered activated carbons with a diameter of about 1μm(SPACs)were successfully prepared by grinding powdered activated carbon(PAC,D50=24.3μm)and applied to remove model NDMA precursors,***(RAN)and nizatidine(NIZ).Results fromgrain diameter experiments demonstrated that the absorption velocity increased dramatically with decreasing particle size,and the maximum increase in k2 was 26.8-folds for RAN and 33.4-folds for ***,kinetic experiments explained that rapid absorption could be attributed to the acceleration of intraparticle diffusion due to the shortening of the diffusion ***,performance comparison experiments suggested that the removal of RAN and NIZ(C_(0)=0.5 mg/L)could reach 61.3%and 60%,respectively,within 5 min,when the dosage of SAPC-1.1(D_(50)=1.1μm)was merely 5 mg/L,while PAC-24.3 could only eliminate 17.5%and 18.6%.The adsorption isotherm was well defined by Langmuir isotherm model,indicating that the adsorption of RAN/NIZ was a monolayer coverage *** adsorption of RAN or NIZ by SAPC-1.1 and PAC-24.3 was strongly pH dependent,and high adsorption capacity could be observed under the condition of pH>pk_(a)+*** coexistence of humic acid(HA)had no significant effect on the adsorption performance because RAN/NIZ may be coupled with HA and removed *** coexistence of anions had little effect on the adsorption *** study is expected to provide an alternative strategy for drinking water safety triggered by NDMA.

关键词： Adsorption NDMA Kinetics Superfine powdered activated carbon Intraparticle diffusion Drinking water

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Mechanistic insight on nanomaterial-induced reactive oxygen species formation

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Journal of environmental Sciences 2025年第5期151卷 200-210页

作者： Jianzhong Cao Qingchun Wu Xuting Liu Xiangyu Zhu Chunfeng Huang Xinyu Wang Yang Song State Key Laboratory of environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China

Reactive oxygen species(ROS)are closely related to cell death,proliferation and ***,excessive ROS levels may exceed the cellular oxidative capacity and cause irreversible *** are often inadvertently exposed to nanomaterials(NMs).Therefore,elucidating the specific routes of ROS generation induced by NMs is crucial for comprehending the toxicity mechanisms of NMs and regulating their potential *** paper provides a comprehensive review of the toxicity mechanisms and applications of NMs from three perspectives:(1)Organelle *** the impact of NMmediated ROS onmitochondria,unravelingmechanisms at the organelle level.(2)NMs’*** the broad applications and biosafety considerations of Nanozymes,a unique class of NMs.(3)Cellular *** the toxic effects and mechanisms of NMs in cells at a holistic cellular *** on these perspectives,the paper scrutinizes the regulation of Fenton reactions by NMs in ***,it introduces diseases resulting fromNM-mediated ROS at the organism *** comprehensive review aims to provide valuable insights for studying NM-mediated mechanisms at both cellular and organism levels,offering considerations for the safe design of nanomaterials.

关键词： Nanomaterials Reactive oxygen species(ROS) Toxicity Mitochondria Oxidative stress

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Occurrence of phthalate esters in the yellow and Yangtze rivers of china:Risk assessment and source apportionment

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Journal of environmental Sciences 2025年第3期149卷 628-637页

作者： Qinkui Miao Wenxiang Ji Huiyu Dong Ying Zhang College of environmental Science and Engineering Nankai UniversityTianjin 300350China Key Laboratory of Drinking Water Science and Technology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China

Phthalate esters(PAEs),recognized as endocrine disruptors,are released into the environment during usage,thereby exerting adverse ecological *** study investigates the occurrence,sources,and risk assessment of PAEs in surface water obtained from 36 sampling points within the Yellow River and Yangtze River *** total concentration of PAEs in the Yellow River spans from124.5 to 836.5 ng/L,with Dimethyl phthalate(DMP)(75.4±102.7 ng/L)and Diisobutyl phthalate(DiBP)(263.4±103.1 ng/L)emerging as the predominant *** exhibit a pattern of upstream(512.9±202.1 ng/L)>midstream(344.5±135.3 ng/L)>downstream(177.8±46.7 ng/L).In the Yangtze River,the total concentration ranges from 81.9 to 441.6 ng/L,with DMP(46.1±23.4 ng/L),Diethyl phthalate(DEP)(93.3±45.2 ng/L),and DiBP(174.2±67.6 ng/L)as the primary *** levels follow a midstream(324.8±107.3 ng/L)>upstream(200.8±51.8 ng/L)>downstream(165.8±71.6 ng/L)*** should be directed towards the moderate ecological risks of DiBP in the upstream of HH,and both the upstream and midstream of CJ need consideration for the moderate ecological risks associated with Di-n-octyl phthalate(DNOP).Conversely,in other regions,the associated risk with PAEs is either low or *** main source of PAEs in Yellow River is attributed to the release of construction land,while in the Yangtze River Basin,it stems from the accumulation of pollutants in lakes and forests discharged into the *** findings are instrumental for pinpointing sources of PAEs pollution and formulating control strategies in the Yellow and Yangtze Rivers,providing valuable insights for global PAEs research in other major rivers.

关键词： Phthalates Spatial variation Potential sources Risk assessment

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Development of an automated photolysis rates prediction system based on machine learning

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Journal of environmental Sciences 2025年第5期151卷 211-224页

作者： Weijun Pan Sunling Gong Huabing Ke Xin Li Duohong Chen Cheng Huang Danlin Song State Key Laboratory of Severe Weather&Key Laboratory of Atmospheric Chemistry of CMA Chinese Academy of Meteorological SciencesBeijing 100081China College of environmental Sciences and Engineering Peking UniversityBeijing 100871China State environmental Key Laboratory of Reginal Air Quality Monitoring Guangdong Ecological Environmental Monitoring CenterGuangzhou 510308China State environmental Protection Key Laboratory of Formation and Prevention of the Urban Air Complex Shanghai Academy of Environmental SciencesShanghai 200233China Chengdu Academy of environmental Sciences Chengdu 610072China National Observation and research Station of Coastal Ecological Environments in Macao Macao Environmental Research InstituteMacao University of Science and TechnologyMacao 999078China

Based on observed meteorological elements,photolysis rates(J-values)and pollutant concentrations,an automated J-values predicting system by machine learning(J-ML)has been developed to reproduce and predict the J-values of O^(1)D,NO_(2),HONO,H_(2)O_(2),HCHO,and NO_(3),which are the crucial values for the prediction of the atmospheric oxidation capacity(AOC)and secondary pollutant concentrations such as ozone(O_(3)),secondary organic aerosols(SOA).The J-ML can self-select the optimal“Model+Hyperparameters”without human *** evaluated results showed that the J-ML had a good performance to reproduce the J-values wheremost of the correlation(R)coefficients exceed 0.93 and the accuracy(P)values are in the range of 0.68-0.83,comparing with the J-values from observations and from the tropospheric ultraviolet and visible(TUV)radiation model in Beijing,Chengdu,Guangzhou and Shanghai,*** hourly prediction was also well performed with R from 0.78 to 0.81 for next 3-days and from 0.69 to 0.71 for next 7-days,*** with O_(3)concentrations by using J-values from the TUV model,an emission-driven observation-based model(e-OBM)by using the J-values from the J-ML showed a 4%-12%increase in R and 4%-30%decrease in ME,indicating that the J-ML could be used as an excellent supplement to traditional numerical *** feature importance analysis concluded that the key influential parameter was the surface solar downwards radiation for all J-values,and the other dominant factors for all J-values were 2-m mean temperature,O_(3),total cloud cover,boundary layer height,relative humidity and surface pressure.

关键词： J-values Automated prediction system Machine learning Short-term prediction O_(3) simulated improvement

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Site-specific patterns of fine root biomass formation across European coniferous forests

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Forest Ecosystems 2025年第1期12卷 104-111页

作者： Yury Karpechko Anna Karpechko Andrej Tuyunen Forest research Institute of the Karelian research centre of the Russian Academy of Sciences 11 Pushkinskaya StPetrozavodskKarelia185910Russia

Fine roots play a crucial role in the biogeochemical cycles of terrestrial *** of fine roots biomass formation for broad geographical areas are still *** use published estimates of characteristics of European pine and spruce stands to determine their productivity and calculate the needle ***,the relationship between the fine-root:needle biomass ratio of European pine and spruce forests and the stand quality index,which is a proxy of soil fertility,was *** show that a rise in soil fertility is accompanied by a decrease in this *** from the northern edge of the boreal zone southwards,with the related rise in air and soil temperatures,we see a decline in the mass ratio of fine roots and *** change in the fine-root:needle biomass ratio is controlled by the change in specific water uptake by roots,which is related to the osmotic pressure of the solution in the absorbing root's central vascular *** fine-root:needle ratio does not vary among stands of the same age if the stand quality index and the geographical latitude(a proxy of air and soil temperatures)are *** findings may be useful for further in-depth analysis of forest ecosystem functioning in Europe.

关键词： Fine-root:needle biomass ratio Stand quality class Soil fertility Latitudinal variation Allometric equation

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Protonated carbon nitride for rapid photocatalytic sterilization via synergistic oxidative damage and physical destruction

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Journal of environmental Sciences 2025年第3期149卷 188-199页

作者： Xiaobiao Zhu Chunhong Xu Jie Mao Yizhen Zhang Yaohui Bai Department of environmental Science and Engineering College of Chemical EngineeringBeijing University of Chemical TechnologyBeijing 100029China research Center for Eco-environmental Sciences Chinese Academy of SciencesBeijing 100085China College of Safety and environmental Engineering Shandong University of Science and TechnologyQingdao 266590China

Photocatalytic disinfection is an eco-friendly strategy for countering bacterial pollution in aquatic *** strategies have been devised to facilitate the generation of reactive oxygen species(ROS)within photocatalysts,ultimately leading to the eradication of ***,the significance of the physical morphology of photocatalysts in the context of sterilization is frequently obscured,and the progress in the development of physical-chemical synergistic sterilization photocatalysts has been relatively ***,graphitic carbon nitride(g-C_(3)N_(4))is chemically protonated to expose more sharp *** fluorescence and EIS results indicate that the protonation can accelerate photogenerated carrier separation and enhance ROS ***,the sharp edges on the protonated g-C_(3)N_(4)facilitate the physical disruption of cell walls for further promoting oxidative *** C_(3)N_(4)demonstrated superior bactericidal performance than that of pristine g-C_(3)N_(4),effectively eliminating Escherichia coli within 40 minutes under *** work highlights the significance of incorporating physical and chemical synergies in photocatalyst design to enhance the disinfection efficiency of photocatalysis.

关键词： Protonated Photocatalytic Sterilization Synergistic Oxidative Damage Physical Destruction

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Acellular scaffold‑based approach for in situ genetic engineering of host T‑cells in solid tumor immunotherapy

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Military Medical research 2025年第1期12卷 16-35页

作者： Hiren Y.Dandia Mamatha M.Pillai Deepak Sharma Meghna Suvarna Neha Dalal Ayush Madhok Arvind Ingle Shubhada V.Chiplunkar Sanjeev Galande Prakriti Tayalia Department of Biosciences and Bioengineering Indian Institute of Technology BombayPowaiMumbai 400076India Radiation Biology and Health Sciences Division Bhabha Atomic Research CentreMumbai 400085India centre of Excellence in Epigenetics Department of BiologyIndian Institute of Science Education and ResearchPune 411008India Advanced centre for Treatment Research and Education in Cancer(ACTREC)Tata Memorial CentreKhargharMumbai 410210India

Background:Targeted T-cell therapy has emerged as a promising strategy for the treatment of hematological ***,its application to solid tumors presents significant challenges due to the limited accessibility and *** delivery of tumor-specific T-cells using biomaterials has shown promise,however,procedures required for genetic modification and generation of a sufficient number of tumor-specific T-cells ex vivo remain major obstacles due to cost and time ***:Polyethylene glycol(PEG)-based three-dimensional(3D)scaffolds were developed and conjugated with positively charged poly-L-lysine(PLL)using carbamide chemistry for efficient loading of lentiviruses(LVs)carrying tumor antigen-specific T-cell receptors(TCRs).The physical and biological properties of the scaffold were extensively ***,the scaffold loaded with OVA-TCR LVs was implanted in B16F10 cells expressing ovalbumin(B16-OVA)tumor model to evaluate the anti-tumor response and the presence of transduced ***:Our findings demonstrate that the scaffolds do not induce any systemic inflammation upon subcutaneous implantation and effectively recruit T-cells to the *** B16-OVA melanoma tumor-bearing mice,the scaffolds efficiently transduce host T-cells with OVA-specific *** genetically modified T-cells exhibit homing capability towards the tumor and secondary lymphoid organs,resulting in a significant reduction of tumor size and systemic increase in anti-tumor *** cell profiling revealed a significantly high percentage of transduced T-cells and a notable reduction in suppressor immune cells within the tumors of mice implanted with these ***:Our scaffold-based T-cell therapy presents an innovative in situ localized approach for programming T-cells to target solid *** approach offers a viable alternative to in vitro manipulation of T-cells,circumventing the need for large-scale in vitro generat

关键词： Polyethylene glycol diacrylate Poly-L-lysine Lentiviruses T-cell therapy B16F10-OVA melanoma

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Assessment of the heartwood contribution to carbon accumulation in Pinus sylvestris *** under different forest site conditions

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Forest Ecosystems 2025年第1期12卷 159-175页

作者： Natalia A.Galibina Kseniya M.Nikerova Sergey A.Moshnikov Alexander M.Kryshen Forest research Institute of the Karelian research centre of the Russian Academy of Sciences 11 Pushkinskaya St.185910PetrozavodskKareliaRussia

Background:The heartwood(HW)proportion in the trunk of mature trees is an important characteristic not only for wood quality but also for assessing the role of forests in carbon *** have for the first time studied the proportion of HW in the trunk and the distribution of carbon and extractives in sapwood(SW)and HW of 70–80 year old Pinus sylvestris *** under different growing conditions in the pine forests of North-West ***:We have examined the influence of conditions and tree position in stand(dominant,intermediate and suppressed trees)in the ecological series:blueberry pine forest(Blu)–lingonberry pine forest(Lin)–lichen pine forest(Lic).We have analyzed the influence of climate conditions in the biogeographical series of Lin:the middle taiga subzone–the northern taiga subzone–the transition area of the northern taiga subzone and ***:We found that the carbon concentration in HW was 1.6%–3.4%higher than in SW,and the difference depended on growing *** concentration in HW increased with a decrease in stand productivity(Blu-Lin-Lic).In medium-productive stands,the carbon concentration in SW was higher in intermediate and supressed trees compared to dominant *** the series from south to north,carbon concentration in HW increased by up to 2%,while in SW,it rose by 2.7%–3.8%.Conclusions:Our results once again emphasized the need for an empirical assessment of the accurate carbon content in aboveground wood biomass,including various forest growing conditions,to better understand the role of boreal forests in carbon storage.

关键词： Scots pine Blueberry pine forest Lingonberry pine forest Lichen pine forest Tree social class Climate Carbon content Extractives Cellulose Lignin

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A binary eutectic electrolyte design for high-temperature interface-compatible Zn-ion batteries

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Journal of Energy Chemistry 2025年第2期101卷 587-597页

作者： Guomin Li Wentao Wen Kefeng Ouyang Yanyi Wang Jianhui Zhu Ming Yang Hongwei Mi Ning Zhao Peixin Zhang Dingtao Ma College of Chemistry and environmental Engineering Shenzhen University School of Materials Science and Engineering Harbin Institute of Technology (Shenzhen) School of Materials and environmental Engineering Shenzhen Polytechnic Guangdong Flexible Wearable Energy and Tools Engineering Technology research Center

The deterioration of aqueous zinc-ion batteries（AZIBs） is confronted with challenges such as unregulated Zn2+diffusion,dendrite growth and severe decay in battery performance under harsh ***,a design concept of eutectic electrolyte is presented by mixing long chain polymer molecules,polyethylene glycol dimethyl ether（PEGDME）,with H2O based on zinc trifluoromethyl sulfonate(Zn（OTf）2),to reconstruct the Zn2+solvated structure and in situ modified the adsorption layer on Zn electrode *** dynamics simulations（MD）,density functional theory（DFT） calculations were combined with experiment to prove that the long-chain polymer-PEGDME could effectively reduce side reactions,change the solvation structure of the electrolyte and priority absorbed on Zn（002）,achieving a stable dendrite-free Zn *** to the comprehensive regulation of solvation structure and zinc deposition by PEGDME,it can stably cycle for over 3200 h at room temperature at 0.5 mA/cm2and 0.5 mAh/*** at high-temperature environments of 60℃,it can steadily work for more than 800 cycles（1600 h）.Improved cyclic stability and rate performance of aqueous Zn‖VO2batteries in modified electrolyte were also achieved at both room and high *** that,the demonstration of stable and high-capacity Zn‖VO2pouch cells also implies its practical application.

关键词： Dendrite suppression Eutectic electrolyte High temperature Solvation structure Zn anode

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