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Cobalt/nitrogen co-carved carbon nanorod for efficient Fenton-like reaction:Degradation efficacy,reaction mechanism and singlet oxygen generation

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Journal of Materials science & technology 2023年第6期137卷 67-78页

作者： Meng Li Ke Zheng Yu-Ting Jin Zhao-Xin zhang Ji-Liang Cheng Long-Wei Huang Ce-Hui Mo Shao-Qi zhou Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials College of Life Science and TechnologyJinan UniversityGuangzhou 510632China College of Environment and Energy Guangzhou Higher Education Mega CentreSouth China University of TechnologyGuangzhou 510006China Department of Chemical and biological Engineering The Hong Kong University of Science and TechnologyClear Water BayKowloonHong Kong SARChina school of Civil Engineering and Transportation South China University of TechnologyGuangzhou 510640China Thrust of Sustainable Energy&Environment The Hong Kong University of Science and TechnologyGuangzhou 511458China College of Resources and environmental Engineering Guizhou UniversityGuiyang 550025China

The Fenton-like process shows promising potential to generate reactive oxygen species for the reme-diation of increasingly environmental ***,the slow development of high-activity cata-lysts with strong stability and low leaching of metal ions has greatly inhibited scale-up application of this ***,cobalt(Co)/nitrogen(N)atom co-curved carbon nanorod(CoNC)containing highly uniform CoN_(x)active sites is developed as a Fenton-like catalyst for the effective catalytic oxidation of various organics via peroxymonosulfate(PMS)activation with high *** confirmed by the exper-imental results,singlet oxygen(^(1)O_(2))is the dominant active species for the degradation of the organ-ics,with a proportion of 100%.Furthermore,density functional theory calculations indicate that CoN_(2)C_(2)is the most effective ligand structure with more negative adsorption energy for PMS and the shortest length Co-O bond,while the most reasonable generation pathway for^(1)O_(2)was CoN_(2)C_(2)-PMS→CoN_(2)C_(2)-OH∗→2O∗→^(1)O_(2).Further studies demonstrate that the electron can be transferred from the highest occupied molecular orbitals of the organics to the lowest unoccupied molecular orbitals of the PMS via CoN_(2)C_(2)*** addition,the CoNC presents strong resistance to inorganic ions and natural organic matter in the Fenton-like catalysis *** presence of CoN_(2)C_(2)active centre can significantly shorten the migration distance of the^(1)O_(2)generated from PMS activation,which further enhances the Fenton-like catalytic activity in terms of mineralising various organic contaminants with high efficiency over a wide pH range.

关键词： Non-radical pathway Singlet oxygen Co/N co-carved carbon nanorod Fenton-like catalysis

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Life cycle assessment of biofuel production from microalgae cultivated in anaerobic digested wastewater

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International Journal of Agricultural and biological Engineering 2020年第1期13卷 241-246页

作者： Gang Li Zhitao Lu Jiang zhang Huan Li Yuguang zhou Ali Mohammed Ibrahim Zayan Zhigang Huang school of Material science and Mechanical Engineering Beijing Technology and Business UniversityBeijing 100048China Bioenergy and Environment science&technology Laboratory College of EngineeringChina Agricultural UniversityBeijing 100083China Key Laboratory of Clean Production and Utilization of Renewable Energy Ministry of Agriculture and Rural AffairsBeijing 100083China National Center for International Research of BioEnergy science and technology Ministry of Science and TechnologyBeijing 100083China Department of Agricultural Engineering Faculty of AgricultureOmdurman Islamic UniversityOmdurman ProvinceKhartoum StateSudan

The whole process of biofuel production from Desmodesmus *** 8-10 cultivated in anaerobic digested wastewater(ADW)under the optimal temperature was evaluated by using the method of Life Cycle Assessment(LCA).The energy efficiency and environment emissions were under considerable for the corresponding parametric *** functional unit was 1 kg *** was concluded that the harvest stage was responsible for the main energy consumption during the microalgal whole pyrolysis *** energy conversion efficiency of the whole process was larger than 1,which indicated that the process was *** environmental impact of the whole process was 1165.67 mPET2000,among which the primary impact on the environment was eutrophication that accounts for 57.36%,followed by photochemical ozone synthesis(22.56%),acidification(17.36%);and global warming(2.73%),respectively.

关键词： microalgae fast pyrolysis life cycle assessment(LCA) anaerobic digested wastewater(ADW) biofuel production

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Ultrasmall iron-quercetin metal natural product nanocomplex with antioxidant and macrophage regulation in rheumatoid arthritis

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Acta Pharmaceutica Sinica B 2023年第4期13卷 1726-1739页

作者： Zhihui Han Xiang Gao yuanjie Wang Shuning Cheng Xiaoyan Zhong Yong Xu Xiaozhong zhou Zengli zhang Zhuang Liu Liang Cheng Institute of Functional Nano&Soft Materials(FUNSOM) Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow UniversitySuzhou 215123China Department of Orthopedics The Second Affiliated Hospital of Soochow UniversitySuzhou 215004China Department of environmental Health School of Public HealthSoochow UniversitySuzhou 215123China school of Materials and Energy Guangdong University of TechnologyGuangzhou 510006China

Oxidative stress,due to the disruption of the balance between reactive oxygen species(ROS)generation and the antioxidant defense system,plays an important role in the pathogenesis of rheumatoid arthritis(RA).Excessive ROS leads to the loss of biological molecules and cellular functions,release of many inflammatory mediators,stimulate the polarization of macrophages,and aggravate the inflammatory response,thus promoting osteoclasts and bone ***,foreign antioxidants would effectively treat ***,ultrasmall iron-quercetin natural coordination nanoparticles(Fe-Qur NCNs)with excellent anti-inflammatory and antioxidant properties were constructed to effectively treat ***-Qur NCNs obtained by simple mixing retain the inherent ability to remove ROS of quercetin and have a better water-solubility and *** vitro experiments showed that Fe-Qur NCNs could effectively remove excess ROS,avoid cell apoptosis,and inhibit the polarization of inflammatory macrophages by reducing the activation of the nuclear factor-κ-gene binding(NF-κB)*** vivo experiments showed that the swollen joints of mice with rheumatoid arthritis treated with Fe-Qur NCNs significantly improved,with Fe-Qur NCNs largely reducing inflammatory cell infiltration,increasing antiinflammatory macrophage phenotypes,and thus inhibiting osteoclasts,which led to bone *** study demonstrated that the new metal-natural coordination nanoparticles could be an effective therapeutic agent for the prevention of RA and other diseases associated with oxidative stress.

关键词： Metal-natural coordination nanoparticles ROS scavenge Macrophage polarization Rheumatoid arthritis Antioxidant Inflammation Nanomedicine Apoptosis

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Chromium phosphide nanoparticles embedded in porous nitrogen-/phosphorus-doped carbon as efficient electrocatalysts for a nitrogen reduction reaction

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Carbon Energy 2022年第2期4卷 237-245页

作者： Jiayuan Yu Bin Chang Wanqiang Yu Xiao Li Dufu Wang Zhinian Xu Xiaoli zhang Hong Liu Weijia zhou Institute for Advanced Interdisciplinary Research(IAIR) Shandong Collaborative Innovation Center of Technology and Equipements for Biological Diagnosis and TherapyUniversity of JinanJinanChina Shandong Best environmental technology Co.Ltd. JinanChina school of Materials science and Engineering Zhengzhou UniversityZhengzhouChina State Key Laboratory of Crystal Materials Shandong UniversityJinanChina

The resource recovery of heavy metals from effluent has significant environmental implications and potential commercial *** phosphide nanoparticles embedded in a nitrogen-/phosphorus-doped porous carbon matrix(CrP/NPC)are synthesized via a consecutive Cr^(6+)leachate treatment and resource recovery *** testing shows that CrP/NPC shows excellent nitrogen reduction reaction(NRR)performance,which yields the highest NH_(3) production rate of 22.56μg h^(−1) mg^(−1)_(cat).and Faradaic efficiency(16.37%)at−0.5 V versus the reversible hydrogen electrode in a 0.05M Na_(2)SO_(4) aqueous solution,as well as robust catalytic *** isotopic experiments using ^(15)N^(2) as a nitrogen source confirm that the detected NH_(3) is derived from the NRR ***,density functional theory(DFT)calculations show that the electron deficiency environment of the Cr site can significantly reduce the barrier of the NRR process and promote the formation of intermediate species.

关键词： biosynthesis carbon-based materials chromium phosphide leachate treatment nitrogen reduction reaction resource recovery

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Supercontinuum fiber laser-based coherent anti-Stokes Raman scattering microscopy for label-free chemical imaging

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Journal of Innovative Optical Health sciences 2022年第4期15卷 108-115页

作者： Nan Wang Jiaojiao zhang Wangting zhou Siting Liu Jing Li Xinyi Xu Qi Zeng Yong Li Shouping Zhu Xueli Chen Xi'an Key Laboratory of Intelligent Sensing and Regulation of trans-Scale Life Information school of Life science and technology Xidian university Xi'anShaanxi 710126P.R.China Engineering Research Center of Molecular&Neuro Imaging of the Ministry of Education Xidian university Xi'anShaanxi 710126P.R.China Shaanxi Eye Hospital Xi'an People's Hospital(Xi'an Fourth Hospital)Affiliated Guangren Hospital School of Medicine Xi'an Jiaotong UniversityXi'an 710004P.R.China

Coherent anti-Stokes Raman scattering(CA RS)microscopy can resolve the chemical compo-nents and distribution of living biological systems in a label-firee manner and is favored in several *** CA RS microscopes typically use bulky,high-performance solid-state lasers,which are expensive and sensitive to environmental *** their relatively low cost and environmental sensitivity,supercontinum fiber(SF)lasers with a small footprint have found increasing use in biomedical *** these features,in this paper,we homebuilt a low-cost CARS microscope based on a SF laser module(scCA RS microscope).This SF laser module is specially customized by adding a time synchronized seed source channel to the SF laser to form a dual-channel output *** performance of the scCARS microscope is evaluated with dimethyl sulfoxide,whose results confirm a spatial resolution of better than 500nm and a detection sensitivity of millimolar *** dual-color imaging capability is further demonstrated by imaging different species of mixed *** finally explore the potential of our scCARS microscope by mapping lipid droplets in different cancer cells and corneal stromal lenses.

关键词： Coherent anti-Stokes Raman scattering supercontinuum fiber laser lipid mapping cancer cell

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Injectable cartilage matrix hydrogel loaded with cartilage endplate stem cells engineered to release exosomes for non-invasive treatment of intervertebral disc degeneration

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Bioactive Materials 2022年第9期7卷 29-43页

作者： Liwen Luo Junfeng Gong zhouguang Wang Yao Liu Jiaming Cao Jinghao Qin Rui Zuo Hongyu zhang Shuai Wang Ping Zhao Di Yang Mengjie zhang Yanqiu Wang Junfeng zhang Yue zhou Changqing Li Bing Ni Zhiqiang Tian MingHan Liu Department of Orthopaedics Xinqiao HospitalArmy Medical University(Third Military Medical University)ChongqingChina Institute of Immunology PLAArmy Medical University(Third Military Medical University)ChongqingChina Molecular Pharmacology Research Center School of Pharmaceutical ScienceWenzhou Medical UniversityWenzhou325000ZhejiangChina Department of Orthopaedics The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhou325000ZhejiangChina Department of Pharmacy Daping HospitalArmy Medical University(Third Military Medical University)ChongqingChina Institute of Geophysics and Geomatics China University of GeosciencesWuhanChina Department of Emergency Second Affiliated Hospital of Chongqing Medical UniversityChongqingChina Institute of Pathology and Southwest Cancer Center Southwest HospitalArmy Medical University(Third Military Medical University)ChongqingChina State Key Laboratory of Silkworm Genome Biology Biological Science Research CenterSouthwest UniversityChongqingChina Department of Pathophysiology College of High Altitude Military MedicineArmy Medical UniversityChongqingChina Key Laboratory of Extreme environmental Medicine Ministry of Education of ChinaArmy Medical University(Third Military Medical University)ChongqingChina Institute of Hepatopancreatobiliary Surgery Chongqing General HospitalUniversity of Chinese Academy of SciencesChongqingChina

Low back pain,mainly caused by intervertebral disc degeneration(IVDD),is a common health problem;however,current surgical treatments are less than ***,it is essential to develop novel non-invasive surgical methods for IVDD ***,we describe a therapeutic strategy to inhibit IVDD by injecting hydrogels modified with the extracellular matrix of costal cartilage(ECM-Gels)that are loaded with cartilage endplate stem cells(CESCs).After loaded with CESCs overexpressing Sphk2(Lenti-Sphk2-CESCs)and injected near the cartilage endplate(CEP)of rats in vivo,ECM-Gels produced Sphk2-engineered exosomes(Lenti-Sphk2-Exos).These exosomes penetrated the annulus fibrosus(AF)and transported Sphk2 into the nucleus pulposus cells(NPCs).Sphk2 activated the phosphatidylinositol 3-kinase(PI3K)/p-AKT pathway as well as the intracellular autophagy of NPCs,ultimately ameliorating *** study provides a novel and efficient non-invasive combinational strategy for IVDD treatment using injectable ECM-Gels loaded with CESCs that express Sphk2 with sustained release of functional exosomes.

关键词： Intervertebral disc degeneration Engineered exosomes Hydrogels Extracellular matrix of costal cartilage Sphingosine kinase 2

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The Yin and Yang of the protein corona on the delivery journey of nanoparticles

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Nano Research 2023年第1期16卷 715-734页

作者： Yi-Feng Wang Yaxin zhou JiaBei Sun Xiaotong Wang Yaru Jia Kun Ge Yan Yan Kenneth A.Dawson Shutao Guo Jinchao zhang Xing-Jie Liang Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumor Microenvironment Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapythe Second Affiliated HospitalGuangzhou Medical UniversityGuangzhou 510260China Chinese Academy of sciences(CAS)Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety CAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology of ChinaBeijing 100190China Key Laboratory of Functional Polymer Materials of Ministry of Education State Key Laboratory of Medicinal Chemical Biology and Institute of Polymer ChemistryCollege of ChemistryNankai UniversityTianjin 300071China china.National Institute of Food and Drug Control Beijing 100061China Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education Key Laboratory of Chemical Biology of Hebei ProvinceCollege of Chemistry and Environmental ScienceHebei UniversityBaoding 071002China Centre for BioNano Interactions School of ChemistrySchool of Biomolecular and Biomedical ScienceUniversity College DublinDublin D04V1W8Ireland

Nanoparticles-based drug delivery systems have attracted significant attention in biomedical fields because they can deliver loaded cargoes to the target site in a controlled ***,tremendous challenges must still be overcome to reach the expected targeting and therapeutic efficacy in *** challenges mainly arise because the interaction between nanoparticles and biological systems is complex and dynamic and is influenced by the physicochemical properties of the nanoparticles and the heterogeneity of biological ***,once the nanoparticles are injected into the blood,a protein corona will inevitably form on the *** protein corona creates a new biological identity which plays a vital role in mediating the bio–nano interaction and determining the ultimate ***,it is essential to understand how the protein corona affects the delivery journey of nanoparticles in vivo and what we can do to exploit the protein corona for better delivery *** this review,we first summarize the fundamental impact of the protein corona on the delivery journey of ***,we emphasize the strategies that have been developed for tailoring and exploiting the protein corona to improve the transportation behavior of nanoparticles in ***,we highlight what we need to do as a next step towards better understanding and exploitation of the protein *** hope these insights into the“Yin and Yang”effect of the protein corona will have profound implications for understanding the role of the protein corona in a wide range of nanoparticles.

关键词： protein corona nanoparticles biological identity drug delivery bio-nano interaction

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低氧胁迫对脊尾白虾组织结构及肠道菌群的影响

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渔业科学进展 2024年第6期45卷 167-177页

作者：周心磊李青洋朱加伟谢姝敏王闽涛杨婷邢超凡高焕张庆起王攀攀江苏海洋大学、江苏省海洋生物资源与环境重点实验室/江苏省海洋生物技术重点实验室江苏连云港222005 江苏省海洋生物产业技术协同创新中心江苏连云港222005 江苏省海洋资源开发研究院(连云港) 江苏连云港222005 江苏省农业种质资源保护与利用平台江苏南京210014 连云港赣榆佳信水产开发有限公司江苏连云港222100

为探究低氧胁迫对脊尾白虾(Exopalaemon carinicauda)组织结构及肠道菌群的影响,将脊尾白虾暴露于(2.5±0.2)mg/L低氧环境中24 h,常氧组溶解氧浓度为(7.2±0.2)mg/L,分别采集低氧组及常氧组样品的鳃、肝胰腺和肠道组织,对鳃和肝胰腺组... 详细信息

为探究低氧胁迫对脊尾白虾(Exopalaemon carinicauda)组织结构及肠道菌群的影响,将脊尾白虾暴露于(2.5±0.2)mg/L低氧环境中24 h,常氧组溶解氧浓度为(7.2±0.2)mg/L,分别采集低氧组及常氧组样品的鳃、肝胰腺和肠道组织,对鳃和肝胰腺组织进行切片显微观察,并利用16S rRNA基因测序技术分析低氧胁迫前后肠道菌群的变化。结果显示,低氧胁迫对鳃和肝胰腺组织结构均造成不同程度的损伤,低氧组和常氧组脊尾白虾的肠道菌群差异较大,变形菌门(Proteobacteria)、厚壁菌门(Firmicutes)在常氧组脊尾白虾肠道中占绝对优势,低氧组虾肠道中拟杆菌门(Bacteroidota)和放线菌门(Actinobacteriota)的数量显著升高(P<0.05),变形菌门数量显著降低(P<0.05)。在科水平上,普氏菌科(Prevotellaceae)和毛螺菌科(Lachnospiraceae)在低氧组虾肠道中的数量显著高于常氧组(P<0.05),而红杆菌科(Rhodobacteraceae)和假单胞菌科(Pseudomonadaceae)细菌在低氧组显著降低(P<0.05)。此外,部分潜在病原菌的数量在低氧组中显著升高(P<0.05)。研究表明,低氧胁迫显著改变了脊尾白虾肠道菌群结构,导致部分有益菌的数量显著降低,增加了弧菌病及肠道炎症性疾病的发病几率,并对鳃、肝胰腺组织造成不同程度的损伤。研究结果有助于阐释脊尾白虾对低氧环境的响应机制,为脊尾白虾健康养殖提供参考。

关键词：脊尾白虾低氧胁迫组织结构肠道菌群

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Transfer characteristics of nitrogen fixed by leguminous green manure crops when intercropped with maize in northwestern china

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Journal of Integrative Agriculture 2022年第4期21卷 1177-1187页

作者： LIU Rui zhou Guo-peng CHANG Dan-na GAO Song-juan HAN Mei zhang Jiu-dong SUN Xiao-feng CAO Wei-dong Institute of Soil and Fertilizer Qinghai Academy of Agriculture and Forestry Sciences/The Graduate SchoolQinghai UniversityXining 810016P.R.China Key Laboratory of Plant Nutrition and Fertilizer Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081P.R.China College of Resources and environmental sciences Nanjing Agricultural UniversityNanjing 210095P.R.China Institute of Soil and Fertilizer and Water-saving Gansu Academy of Agricultural SciencesLanzhou 730070P.R.China

To ascertain the possibility of cultivating maize using biological nitrogen fixation(BNF)by leguminous green manure crops in maize/leguminous green manure intercropping systems,BNF and nitrogen(N)transfer were studied in Xining and Wuwei,two typical northwestern Chinese *** experimental treatments included monocultured maize,monocultured green manures(hairy vetch and common vetch),and their intercropping *** proportions of N derived from the atmosphere(%N_(dfa))in intercropping systems were not significantly different from that in monocultured green manure systems at either experimental site,except for that in hairy vetch(HV)in *** amount of N derived from the atmosphere(N_(dfa))of common vetch(CV)significantly decreased from 1.16 and 1.10 g/pot in monoculture to 0.77 and 0.55 g/pot when intercropped with maize,in Xining and Wuwei,respectively,and the N_(dfa) of HV when intercropped significantly decreased from 1.02 to 0.48 g/pot in *** the intercropping systems in Xining and Wuwei,the amounts of N transferred(N_(transfer))from CV to maize were 21.54 and 26.81 mg/pot,accounting for 32.9 and 5.9%respectively of the N accumulation in maize,and the values of N_(transfer) from HV to maize were 39.61 and 46.22 mg/pot,accounting for 37.0 and 23.3%,respectively,of the N accumulation in *** analysis showed that soil nutrient and green manure biomass were mainly related to N_(dfa),and thatδ^(15) N had a primary relationship with N_(transfer).We found that 5.9-37.0%of N accumulation in maize was transferred from green manures,and that the N transfer ability to maize of HV was higher than that of *** conclusion,intercropping with leguminous green manures provided a feasible way for maize to effectively utilize biologicallyfixed N.

关键词： green manure maize intercropping biological nitrogen fixation nitrogen transfer

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Waste-yeast biomass as nitrogen/phosphorus sources and carbon template:Environment-friendly synthesis of N,P-Mo_(2)C nanoparticles on porous carbon matrix for efficient hydrogen evolution

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Chinese Chemical Letters 2022年第6期33卷 3231-3235页

作者： Jiayuan Yu Wanqiang Yu Bin Chang Xiao Li Jin Jia Dufu Wang Zhinian Xu Xiaoli zhang Hong Liu Weijia zhou Collaborative Innovation Center of technology and Equipment for biological Diagnosis and Therapy in Universities of Shandong Institute for Advanced Interdisciplinary Research(iAIR)University of JinanJi'nan 250022China Shandong Best environmental technology Co. Ltd.Ji'nan 250J01 China school of Materials science and Engineering Zhengzhou UniversityZhengzhou 450001China State Key Laboratory of Crystal Materials Shandong UniversityJi'nan 250100China

Tailor-made advanced electrocatalysts with high active and stable for hydrogen evolution reaction(HER)play a key role in the development of hydrogen ***,a N,P-co-doped molybdenum carbide confined in porous carbon matrix(N,P-Mo_(2)C/NPC)with a hierarchical structure is prepared by a resources recovery *** N,P-Mo_(2)C/NPC compound exhibits outstanding HER activity with a low overpotential of 84 mV to achieve 10 mA/cm^(2),and excellent stability in alkaline *** electrochemical measurements confirm that the enhanced HER activity of N,P-Mo_(2)C/NPC is ascribe to the synergy of N,P-codoped and porous carbon *** functional theory calculations further reveal that the electron density of active sites on Mo_(2)C can be regulated by the N/P doping,leading to optimal H adsorption *** this work,the proof-of-concept resource utilization,a microorganism derived molybdenum carbide electrocatalyst for HER is fabricated,which may inaugurate a new way for designing electrocatalysts by the utilization of solid waste.

关键词： Hydrogen evolution reaction Molybdenum carbide Non-metal doping Resource utilization Solid waste management

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