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Green hydrogen production from photovoltaic power station as a road map to climate change mitigation

Clean Energy 2024年第2期8卷 156-167页

作者： Kehinde Ridwan Kamil Bassey Okon Samuel Umar Khan Department of Computer Science and Engineering Edge Hill UniversityUK Enel Green Power Rome Italy Materials Research laboratory Steelagon Engineering LimitedKaduna StateNigeria

The increasing recognition of hydrogen as a critical element in the global net-zero transition and its clear role in decarbonizing challenging sectors coincide with the growing urgency to address climate ***'s favourable renewable-energy capacity,ranging from 28%to 36%for solar,has been reported by the global solar irradiance ***,the majority of hydrogen production today relies on fossil fuels(96%),with only a small fraction(4%)being produced through water *** though there have been many studies on climate change mitigation with a focus on Africa,a green hydrogen production from a photovoltaic power station approach has not been ***,literature with a focus on Nigeria is *** study focuses on the African green hydrogen production industry,utilizing Nigeria as a case study to explore the feasibility of generating clean hydrogen vectors from a percentage of photovoltaic power output in various regions of the country through stand-alone solar grid electrification *** of the usage and effectiveness of the produced hydrogen fuel in each region are carried out,with the highest region having an annual output of 12247278 kg of green hydrogen and 8573094 kg of ammonia and the lowest region having an output of 511245 kg of green hydrogen and 357871 kg of ammonia,and the expected production from the proposed usage of 50%of the power generation output of the installed 1.6-MWp and 80-kWp solar power minigrids in the regions is *** analyses were repeated for the other considered regions in the *** results showcased the enormous advantages of the electrolytic production of hydrogen and how the greener economy project can play a major role in mitigating climate change effects and overreliance on fossil fuels as the driver of the economy in many African countries.

关键词： renewable energy photovoltaic climate change green hydrogen vector fossil fossil fuels decarbonization electrolysis

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Role of the cathode chamber in microbial electrosynthesis:A comprehensive review of key factors

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Engineering Microbiology 2024年第3期4卷 29-42页

作者： Ting Cai Xinyu Gao Xiaoyan Qi Xiaolei Wang Ruijun Liu Lei Zhang Xia Wang State Key laboratory of Microbial Technology Shandong UniversityQingdao 266237China College of Arts&Science University of North Carolina at Chapel HillChapel Hill 27514NCUnited States

The consumption of non-renewable fossil fuels has directly contributed to a dramatic rise in global carbon dioxide(CO_(2))emissions,posing an ongoing threat to the ecological security of the *** electrosynthesis(MES)is an innovative energy regeneration strategy that offers a gentle and efficient approach to converting CO_(2) into high-value *** cathode chamber is a vital component of an MES system and its internal factors play crucial roles in improving the performance of the MES ***,this review aimed to provide a detailed analysis of the key factors related to the cathode chamber in the MES *** topics covered include inward extracellular electron transfer pathways,cathode materials,applied cathode potentials,catholyte pH,and reactor *** addition,this review analyzes and discusses the challenges and promising avenues for improving the conversion of CO_(2) into high-value products via MES.

关键词： Microbial electrosynthesis Energy regeneration CO_(2)reduction Cathode chamber Electroactive bacteria

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Room-temperature ferromagnetism and piezoelectricity in metalfree 2D semiconductor crystalline carbon nitride

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Nano Research 2024年第6期17卷 5670-5679页

作者： Yong Wang Dingyi Yang Wei Xu Yongjie Xu Yu Zhang Zixuan Cheng Yizhang Wu Xuetao Gan Wei Zhong Yan Liu Genquan Han Yue Hao Wide Bandgap Semiconductor Technology Disciplines State Key laboratory School of MicroelectronicsAcademy of Advanced Interdisciplinary ResearchXidian UniversityXi’an 710071China Emerging Device and Chip laboratory Hangzhou Institute of TechnologyXidian UniversityHangzhou 311200China INRS Centre for Energy Materials and Telecommunications1650 Boul.Lionel BouletVarennesQC J3X 1P7Canada National laboratory of Solid State Microstructures Collaborative Innovation Center of Advanced Microstructures and Jiangsu Provincial Key Laboratory for NanotechnologyNanjing UniversityNanjing 210093China School of Education Jiangsu Open UniversityNanjing 210036China Department of Physics Shaanxi University of Science and TechnologyXi’an 710021China Department of Applied Physical Sciences The University of North Carolina at Chapel HillChapel HillNC 27514USA Key laboratory of Light Field Manipulation and Information Acquisition Ministry of Industry and Information Technologyand Shaanxi Key Laboratory of Optical Information TechnologySchool of Physical Science and TechnologyNorthwestern Polytechnical UniversityXi'an 710129 China

Two-dimensional(2D)materials that combine ferromagnetic,semiconductor,and piezoelectric properties hold significant potential for both fundamental research and spin electronic ***,the majority of reported 2D ferromagnetic-semiconductor-piezoelectric materials rely on d-electron systems,which limits their practical applications due to a Curie temperature lower than room temperature(RT).Here,we report a high-crystallinity carbon nitride(CCN)material based on sp-electrons using a chemical vapor deposition *** exhibits a band gap of 1.8 eV and has been confirmed to possess substantial in-plane and out-of-plane ***,we acquired clear evidences of ferromagnetic behavior at room *** structural characterizations combined with theoretical calculations reveal that incorporating structural oxygen into the highly ordered heptazine structure causes partial substitution of nitrogen sites,which is primarily responsible for generating room-temperature ferromagnetism and *** a result,the strain in wrinkles can effectively modulate the domain behavior and piezoelectric potential at room *** addition of RT ferromagnetic-semiconductor-piezoelectric material based on sp-electrons to the family of two-dimensional materials opens up numerous possibilities for novel applications in fundamental research and spin electronic devices.

关键词： crystallinity carbon nitride room-temperature ferromagnetism piezoelectricity magnetic force microscopy density functional theory(DFT)calculations

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Phosphorus limitation on CO_(2)fertilization effect in tropical forests informed by a coupled biogeochemical model

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Forest Ecosystems 2024年第4期11卷 502-515页

作者： Zhuonan Wang Hanqin Tian Shufen Pan Hao Shi Jia Yang Naishen Liang Latif Kalin Christopher Anderson Natural Resources Ecology laboratory Colorado State UniversityFort CollinsCO80523USA Center for Earth System Science and Global Sustainability Schiller Institute for Integrated Science and SocietyBoston CollegeChestnut HillMAUSA Department of Earth and Environmental Sciences Boston CollegeChestnut HillMAUSA Department of Engineering Boston CollegeChestnut HillMAUSA Research Center for Eco-Environmental Sciences State Key Laboratory of Urban and Regional EcologyChinese Academy of SciencesBeijingChina Department of Natural Resource Ecology and Management Oklahoma State UniversityStillwaterOKUSA Center for Global Environmental Research(CGER) National Institute for Environmental Studies(NIES)TsukubaIbaraki305-8506Japan College of Forestry Wildlife and EnvironmentAuburn UniversityAuburnALUSA

Tropical forests store more than half of the world's terrestrial carbon(C)pool and account for one-third of global net primary productivity(NPP).Many terrestrial biosphere models(TBMs)estimate increased productivity in tropical forests throughout the 21st century due to CO_(2)***,phosphorus(P)liaitations on vegetation photosynthesis and productivity could significantly reduce the CO_(2)fertilization ***,we used a carbon-nitrogen-phosphorus coupled model(Dynamic Land Ecosystem Model;DLEM-CNP)with heterogeneous maximum carboxylation rates to examine how P limitation has affected C fluxes in tropical forests *** model results showed that the inclusion of the P processes enhanced model performance in simulating ecosystem *** further compared the simulations from DLEM-CNP,DLEM-CN,and DLEMC and the results showed that the inclusion of P processes reduced the CO_(2)fertilization effect on gross primary production(GPP)by 25%and 45%,and net ecosystem production(NEP)by 28%and 41%,respectively,relative to CN-only and C-on ly *** the 1860s to the 2010s,the DLEM-CNP estimated that in tropical forests GPP increased by 17%,plant respiration(Ra)increased by 18%,ecosystem respiration(Rh)increased by 13%,NEP increased by 121%per unit area,***,factorial experiments with DLEM-CNP showed that the enhanced NPP benefiting from the CO_(2) fertilization effect had been offset by 135%due to deforestation from the 1860s to the *** study highlights the importance of P limitation on the C cycle and the weakened CO_(2)fertilization effect resulting from P limitation in tropical forests.

关键词： Tropical forests Carbon-nitrogen-phosphorus model Phosphorus limitation CO_(2)fertilization effect Terrestfial ecosy stem model

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Recent Advances of Bioactive Marine Natural Products in Drug Discovery

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Journal of Ocean University of China 2024年第5期23卷 1297-1318页

作者： ZHANG Qun LV Liuxia WANG Wenhui WEI Meiyan GU Yucheng SHAO Changlun Key laboratory of Marine Drugs Ministry of Education of ChinaSchool of Medicine and PharmacyOcean University of ChinaQingdao 266100China laboratory for Marine Drugs and Bioproducts Qingdao Marine Science and Technology CenterQingdao 266237China Key laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education College of Chemistry and Chemical EngineeringHainan Normal UniversityHaikou 571158China Syngenta Jealott’s hill International Research Centre BracknellBerkshire RG426EYUK

Marine natural products(MNPs)are valuable resources for drug *** date,17 drugs from marine sources are in clinical use,and 33 pharmaceutical compounds are in clinical *** the success of drug development from the marine resources is higher than the industry *** is a feasible strategy to conduct the discovery of druglead compounds based on marine chemical ecology by fully exploiting the pharmacological potential of marine chemical defense *** the search for bioactive MNPs,our group has constructed a biological resources library including more than 1500 strains of *** on the strategy of Blue Drug Library,we have discovered a series of novel MNPs with abundant biological *** efficient and scalable total synthesis of(+)-aniduquinolone A(44)and pesimquinolone I(48)have been completed,which will facilitate access to sufficient quantities of candidates for in vivo pharmacological and toxicological *** a nucleoprotein(NP)inhibitor,QLA(75)possesses significant anti-influenza A virus(IAV)activities both in vitro and in ***-00803(76)is a potent and selective AMP-activated kinase(AMPK)activator that can effectively inhibit metabolic disorders and metabolic dysfunction-associated steatohepatitis(MASH)***,we identified two new candidate molecules with potent anti-hepatocellular carcinoma ***,as a natural guanine-nucleotide exchange factors for ADP-ribosylation factor GTPases(Arf-GEFs)inhibitor prodrug,CHNQD-01255(78)is qualified to be developed as a targeted candidate anticancer drug,which may be promising to apply for cancer ***,it is evident that MNPs play an important role in drug development.

关键词： marine medicinal organisms natural products marine drug discovery and optimization drug development

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High-Temperature Superconductivity in La_(3)Ni_(2)O_(7)

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Chinese Physics Letters 2024年第1期41卷 85-91页

作者：蒋坤汪自强张富春 Beijing National laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100190China Department of Physics Boston CollegeChestnut HillMA 02467USA Kavli Institute of Theoretical Sciences University of Chinese Academy of SciencesBeijing 100190China Collaborative Innovation Center of Advanced Microstructures Nanjing UniversityNanjing 210093China

Motivated by the recent discovery of high-temperature superconductivity in bilayer La_(3)Ni_(2)O_(7) under pressure,we study its electronic properties and superconductivity due to strong electron *** the inversion symmetry,we decouple the low-energy electronic structure into block-diagonal symmetric and antisymmetric *** is found that the antisymmetric sector can be reduced to a one-band system near half filling,while the symmetric bands occupied by about two electrons are heavily overdoped *** the strong coupling mean field theory,we obtain strong superconducting pairing with B_(1g)symmetry in the antisymmetric *** propose that due to the spin-orbital exchange coupling between the two sectors,B_(1g)pairing is induced in the symmetric bands,which in turn boosts the pairing gap in the antisymmetric band and enhances the high-temperature superconductivity with a congruent d-wave symmetry in pressurized La_(3)Ni_(2)O_(7).

关键词： symmetry superconductivity symmetric

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CD36 promotes tubular ferroptosis by regulating the ubiquitination of FSP1 in acute kidney injury

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Genes & Diseases 2024年第1期11卷 449-463页

作者： Yixin Ma Lili Huang Zheng Zhang Pengfei Yang Qingsong Chen Xujia Zeng Fangyan Tan Chunxia Wang Xiongzhong Ruan Xiaohui Liao Department of Nephrology The Second Affiliated HospitalChongqing Medical UniversityChongqing 400010China Department of Cell Biology and Genetics Chongqing Medical UniversityChongqing 400016China Centre for Nephrology Royal Free and University College Medical SchoolUniversity College LondonRoyal Free CampusRowland Hill StreetLondon NW32PFUnited Kingdom Centre for Lipid Research Key Laboratory of Molecular Biology on Infectious DiseasesMinistry of EducationChongqing Medical UniversityChongqing 400016China Kuanren laboratory of Translational Lipidology Centre for Lipid ResearchSecond Affiliated Hospital of Chongqing Medical UniversityChongqing 400010China

Reactive oxidative species(ROos)production-driven ferroptosis plays a role in acute kidney injury(Akl).However,its exact molecular mechanism is poorly *** receptor CD36 has important roles in oxidizing lipids,lipid accumulation,metabolic syndrome,and insulin resistance in chronic kidney disease,but its roles remain unexplored in *** present study investigated the role and mechanism of CD36 in regulating proximal tubular cell ferroptosis and *** expression of CD36 was found to be significantly up-regulated in AKI renal tissues and correlated with renal function,which might serve as an independent biomarker for AKl ***,in adult mice subjected to AKl,deletion of CD36(CD36-/-)induced tubular cell Ros accumulation,ferroptosis activation,and renal ***,combining LC-MS/MS,co-IP,and ubiquitination analyses revealed that CD36 could specifically bind to ferroptosis suppressor protein 1(FSP1)and regulate its ubiquitination at sites K16 and K24,leading to FSP1 degradation and progression of ferroptosis in *** present results emphasize a novel mechanism of CD36 in cisplatin-induced *** discovery of the special CD36 roles in promoting ferroptosis and AKI development by regulating the ubiquitination of FSP1 in proximal tubular cells may be potential therapeutic targets for ***,CD36 may play a key role in the progression of ***,targeting CD36 may provide a promising treatment option for AKI.

关键词： Acute kidney injury CD36 Ferroptosis FSP1 Ubiquitin-dependent degradation

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Field stabilization of pulse duration in a hundredfemtosecond level

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Chinese Optics Letters 2024年第8期22卷 93-99页

作者： Runmin Liu Yong Wu Guoqing Pu Jiayang Cheng Huan Mu Bowen Liu Lilin Yi Minglie Hu Ultrafast Laser laboratory Key Laboratory of Opto-electronic Information Science and Technology of Ministry of EducationSchool of Precision Instruments and Opto-electronics EngineeringTianjin UniversityTianjin 300072China State Key laboratory of Advanced Communication Systems and Networks School of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghai 200240China R&D Center AIOPTICS Company LimitedShanghai 200240China

Pulse duration is considered as one of the most important characteristics of high-power femtosecond ***,pulses output from the laser system are susceptible to ambient changes and manifest the instability of pulse durations in an open *** this paper,incorporating the algorithmic framework of the improved stochastic hill-climbing search and incremental proportional-integral controller,temperature-induced fluctuations of pulse duration can be effectively compensated by an automatic feedback control in an all-fiber chirped-pulse amplification *** the experiment,sub-hundred femtosecond fluctuation of pulse duration is introduced to verify the performance robustness of the proposed pulse-duration feedback control(PDFC).The stability of pulse duration is obviously higher than the case without the feedback control,and the peak-to-peak fluctuation of pulse duration is reduced to 6.5%.Furthermore,the robust switching between different pulse durations proves the versatility of the *** expect that the proposed feedback control method could provide a novel insight into high-power femtosecond lasers widely applied in fundamental researches and industrial fields.

关键词： fiber amplifier femtosecond laser pulse-duration feedback control

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The carrying capacity for vegetation of forest land across China:Near real-time monitoring and short-term forecasting based on satellite observation

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Geography and Sustainability 2024年第3期5卷 415-429页

作者： Huiqian Yu Nan Lu Bojie Fu Lu Zhang Shufen Pan State Key laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China Faculty of Geographical Science Beijing Normal UniversityBeijing 100875China College of Forestry Wildlife and EnvironmentAuburn UniversityAL 36849USA Department of Engineering Boston CollegeChestnut HillMA 02467USA

Ecological restoration projects implemented over the past 20 years have substantially increased forest coverage in China,but the high tree mortality of new afforestation forest remains a challenging but unsolved *** is still not clear how much vegetation can be sustained by the forest lands with given water,energy and soil conditions,i.e.,the carrying capacity for vegetation(CCV)of forest lands,which is the prerequisite for planning and implementing forest restoration ***,we used a simplified method to evaluate the CCV across forest lands ***,based on leaf area index(LAI)dataset,we use boosted regression tree and multiple linear regression model to analyze the CCV during 2001-2020 and 2021-2030 and explore the contribution of environmental *** find that there are three typical regions with lower CCV located in the Loess Plateau and the southern region of the Inner Mongolia Plateau,the Hengduan Mountain region,and the Tianshan *** importantly,the vegetation in the regions near the dry-wet climate transition zone show excess local carrying capacity for vegetation over the past two decades and they are more susceptible to potential climatic *** comparison,in the Greater Khingan Mountains and Hengduan Mountains,there is high potential to improve the forest ***,precipitation and soil affects the CCV by shaping the vegetation in the optimal *** indicates that more consideration should be given to restrictions of regional environmental constraints when planning afforestation and forest *** study has important implications for guiding future forest scheme in China.

关键词： Carrying capacity for vegetation Leaf area index Ecosystem restoration Forest management

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Tacrolimus combined with arsenic trioxide provides a three-in-one drug-eluting coronary stent integrating anti-restenosis,pro-endothelialization and anti-inflammation

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Medicine in Novel Technology and Devices 2024年第1期21卷 110-119页

作者： Yaojia Zhang Hongchi Yu Li Deng Zhe Hou Jie Yang Fei Fang Michael ZMiao Wenjun Li Xin Shen Dongyun Hao Xiaoyi Ma Lifeng Zhou Fugui He Xiaoheng Liu a1Institute of Biomedical Engineering West China School of Basic Medical Sciences&Forensic MedicineSichuan UniversityChengdu610041China Division of Oral&Craniofacial Health Sciences Adams School of DentistryUniversity of North Carolina at Chapel HillNC27599USA Beijing Key laboratory of Cardiac Drug Device Technology and Evidence Based Medicine Beijing100021China

The limitations of current drug-eluting stent technologies in selectively inhibiting vascular smooth muscle cell proliferation,which often leads to inflammation,call for innovative approaches in coronary artery disease *** the present work,we propose a revolutionary solution:a three-in-one platform for vascular stents,combining arsenic trioxide(ATO)and tacrolimus(TAC)to address anti-proliferation,pro-endothelialization,and anti-inflammation *** findings demonstrate that the synergistic action of ATO and TAC effectively suppresses aberrant vascular smooth muscle cell proliferation and mitigates endothelial cell ***,the combination treatment of TAC/ATO enhances endothelial cell migration and adhesion ***,our TAC/ATO-eluting stent exhibits superior re-endothelialization and anti-restenosis effects in a rabbit and porcine stent implantation *** in vitro and in vivo results solidify the notion that the TAC/ATO-eluting stent ensures rapid re-endothelialization and significantly reduces the incidence of in-stent ***,this study represents a promising and novel multifunctional platform with immense potential in the therapy of coronary artery disease.

关键词： Tacrolimus Arsenic trioxide Drug-eluting stent

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