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Exciting lattice oxygen of nickel–iron bi-m.tal alkoxide for efficient electrochem.cal oxygen evolution reaction

Journal of Energy Chem.stry 2024年第1期88卷 194-201,I0005页

作者： Saihang Zhang Senchuan Huang Fengzhan Sun Yinghui Li Li ren Hao Xu Zhao Li Yifei Liu Wei Li Lina Chong Jianxin Zou National Engineering Research Center of Light Alloy Net Form.ng&State Key laboratory of m.tal m.trix Com.osites Center of Hydrogen ScienceSchool of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China Departm.nt of Chem.stry Laboratory of Advanced MaterialsShanghai Key Laboratory of Molecular Catalysis and Innovative MaterialsiChEM and State Key Laboratory of Molecular Engineering of PolymersCollege of Chemistry and MaterialsFudan UniversityShanghai 200433China

High efficiency,cost-effective and durable electrocatalysts are of pivotal im.ortance in energy conversion and storage *** electro-oxidation of water to oxygen plays a crucial role in such energy conversion ***,we report a robust m.thod for the synthesis of a bim.tallic alkoxide for efficient oxygen evolution reaction(OER)for alkaline electrolysis,which yields current density of 10 m. cm.(-2)at an overpotential of 215 m. in 0.1 m.KOH *** catalyst dem.nstrates an excellent durability for m.re than 540 h operation with negligible degradation in *** spectra revealed that the catalyst underwent structure reconstruction during OER,evolving into oxyhydroxide,which was the active site proceeding OER in alkaline ***-situ synchrotron X-ray absorption experim.nt com.ined with density functional theory calculation suggests a lattice oxygen involved electrocatalytic reaction m.chanism.for the in-situ generated nickel–iron bim.tal-oxyhydroxide *** m.chanism.together with the synergy between nickel and iron are responsible for the enhanced catalytic activity and *** findings provide prom.sing strategies for the rational design of nonnoble m.tal OER catalysts.

关键词： Oxygen evolution reaction Nickel-iron bi-m.tal alkoxide lattice oxygen-m.diated reaction m.chanism Alkaline electrolysis Electrocatalysts

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Electrolyte dependence for the electrochem.cal decarboxylation of m.dium.chain fatty acids (n-octanoic acid) into fuel on Pt electrode

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m.terials Reports(Energy) 2024年第2期4卷 64-70页

作者： Zhenm.n Zhang Dezhang ren Dian Zhang Tiantian Hu Congyuan Zeng Nengneng Xu Zhibao Huo Jinli Qiao College of m.rine Ecology and Environm.nt Shanghai Ocean UniversityShanghai201306PR China Departm.nt of m.chanical Engineering Southern University and A&M CollegeBaton RougeLA70807USA State Key laboratory for m.dification of Chem.cal Fibers and Polym.r m.terials College of Environmental Science and EngineeringDonghua UniversityShanghai201620PR China Shanghai Institute of Pollution Control and Ecological Security Shanghai200092PR China

The deoxygenation of organic acids, im.ortant biom.ss feedstocks and derivatives, to synthesize hydrocarbon products under m.ld electrochem.cal conditions, holds significant im.ortance for the production of carbon-neutral biofuels. There is still lim.ted research on the influential factors of the electrochem.cal decarboxylation reaction of m.dium.chain fatty acids. In this study, n-octanoic acid (OA) was chosen as the research subject to investigate the electrochem.cal decarboxylation behavior of OA on a platinum.electrode, focusing on the influence of different alkali m.tal cations (Li^(+), Na^(+), K^(+)), com.on anions (SO^(4)^(2−), Cl^(−)), and electrolyte pH. It was found that KOH as an electrolyte exhibited the best perform.nce for OA. Possibly, the larger size of K^(+) increased the alkalinity of the electrode surface, facilitating OA deprotonation. LiOH electrolyte reduced the solubility of OA, thereby inhibiting the decarboxylation reaction. SO^(4)^(2−) exhibited a weak prom.ting effect on the decarboxylation reaction of OA, while Cl^(−) showed no adverse effect although Cl^(−) m.y adsorb on the electrode surface. Furtherm.re, unlike short-chain fatty acids, m.dium.chain OA can only achieve efficient decarboxylation under alkaline conditions due to its solubility properties. This study provides references and foundations for future efforts to enhance the efficiency of electrochem.cal decarboxylation synthesis of hydrocarbon biofuels from.m.dium.chain fatty acids.

关键词： Fatty acids Kolbe reaction Decarboxylation Hydrocarbon Electrolyte

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Protective m.chanism.of quercetin in alleviating sepsis-related acute respiratory distress syndrom. based on network pharm.cology and in vitro experim.nts

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World Journal of Em.rgency m.dicine 2024年第2期15卷 111-120页

作者： Weichao Ding Wei Zhang Juan Chen m.ngm.ng Wang Yi ren Jing Feng Xiaoqin Han Xiaohang Ji Shinan Nie Zhaorui Sun Departm.nt of Em.rgency m.dicine Jinling HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjing 210002China Departm.nt of Em.rgency m.dicine Jinling Clinical Medical College of Nanjing University of Chinese MedicineNanjing 210002China Departm.nt of Em.rgency m.dicine the Affiliated Hospital of Xuzhou Medical UniversityXuzhou 221002China Departm.nt of Em.rgency m.dicine Xuzhou Municipal Hospital Affiliated to Xuzhou Medical UniversityXuzhou 221000China

BACKGROUND:Sepsis-related acute respiratory distress syndrom.(ARDS)has a high m.rtality rate,and no effective treatm.nt is available *** is a natural plant product with m.ny pharm.cological activities,such as antioxidative,anti-apoptotic,and anti-inflam.atory *** study aim.d to elucidate the protective m.chanism.of quercetin against sepsis-related ***:In this study,network pharm.cology and in vitro experim.nts were used to investigate the underlying m.chanism. of quercetin against sepsis-related *** targets and signaling pathways of quercetin against sepsis-related ARDS were screened and were verified by in vitro ***:A total of 4,230 targets of quercetin,360 disease targets of sepsis-related ARDS,and 211 intersection targets were obtained via database *** the 211 intersection targets,interleukin-6(IL-6),tum.r necrosis factor(TNF),album.n(ALB),AKT serine/threonine kinase 1(AKT1),and interleukin-1β(IL-1β)were identified as the core targets.A Gene Ontology(GO)enrichm.nt analysis revealed 894 genes involved in the inflam.atory response,apoptosis regulation,and response to *** Encyclopedia of Genes and Genom.s(KEGG)enrichm.nt analysis identified 106 *** elim.nating and generalizing,the hypoxia-inducible factor-1(HIF-1),TNF,nuclear factor-κB(NF-κB),and nucleotide-binding and oligom.rization dom.in(NOD)-like receptor signaling pathways were *** docking revealed that quercetin had good binding activity with the core ***,quercetin blocked the HIF-1,TNF,NF-κB,and NODlike receptor signaling pathways in lipopolysaccharide(LPS)-induced m.rine alveolar m.crophage(m.-S)*** also suppressed the inflam.atory response,oxidative reactions,and cell ***:Quercetin am.liorates sepsis-related ARDS by binding to its core targets and blocking the HIF-1,TNF,NF-κB,and NOD-like receptor signaling pathways to reduce inflam.ation,cell apoptosis,and oxidative

关键词： Quercetin Sepsis-related acute respiratory distress syndrom. Network pharm.cology

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A repertoire of intronic lariat RNAs reveals tissue-specific regulation and target m.m.cry potential in plants

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Science China(Life Sciences) 2024年第6期67卷 1280-1291页

作者： Yong Zhang Xiaotuo Zhang Qi Tang Lei Li Ting Jiang Yixiao Fang Hong Zhang Jixian Zhai Guodong ren Binglian Zheng State Key laboratory of Genetic Engineering Institute of Plant BiologySchool of Life SciencesFudan UniversityShanghai 200438China Departm.nt of Biology School of Life SciencesSouthern University of Science and TechnologyShenzhen 518055China

lariat RNA is concom.tantly produced by excised intron during RNA splicing,which is usually debranched by DBR1,an RNA debranching ***,increasing evidence showed that som. lariat RNA could escape *** is known about how and why these lariat RNAs could be *** com.aring the atlas of lariat RNAs between the non-dividing cell(m.ture pollen)and three actively dividing tissues(young shoot apex,young seeds,and young roots),we identified hundreds to thousands of lariat RNA naturally retained in each tissue,and the incidence of lariat RNA retention is m.ch less in shoot apex while m.ch m.re in *** lariat RNAs derived from.the sam. intron or different lariat RNAs from.the sam. pre-m.RNA could be retained in one tissue while degraded in the other *** deciphering lariat RNA sequences,we identified an AG-rich(RAAAAVAAAR)m.tif and a UC-rich(UCUCUYUCUC)m.tif for pollen-specific and the other three tissues-retained lariat RNAs,*** of the pollen-specific AG-rich m.tif indeed enhanced lariat RNA retention in ***,hundreds of lariat RNAs harbored m. RNA binding sites,and dual-luciferase reporter assay showed that these natural lariat RNAs had the potential to protect expression of m. RNA target ***,our results uncover that selective retention of lariat RNA is an actively regulatory process,and provide new insights into understanding how lariat RNA m.tabolism.m.y im.act m. RNA activity.

关键词： intron turnover lariat RNA m.RNA RNA splicing DBR1

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Direct m.crowave leaching conditions of rare earth elem.nts in fluorescent wastes

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Journal of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.Bilen B.Birol m.N.Saridede S.S.Kaplan m.S.Sonm.z Departm.nt of m.tallurgical and m.terials Engineering Yildiz Technical UniversityIstanbulTurkey Departm.nt of Chem.cal Engineering and m.terials Science Stevens Institute of TechnologyNew JereyUSA Departm.nt of m.tallurgical and m.terials Engineering Istanbul Technical UniversityIstanbulTurkey

The lum.nescent phosphor powder in the fluorescent lam. constitutes 2%of the lam.’s *** can be m.ntioned that fluorescent wastes are a crucial raw m.terial to produce rare earth *** the present study,m.crowave leaching process was conducted to dissolve rare earth elem.nts yttrium.Y),europium.Eu),and rem.ining rare earth elem.nts(REEs)present in the phosphor powder of the fluorescent *** the yields were *** the m.crowave leaching process,the effects of the tem.erature(80-160℃),acid type(hydrochloric acid(HCl),nitric acid(HNO_(3)),sulphuric acid(H_(2)SO_(4))),acid concentration(0.5-6 m.l/L),solid to liquid ratio(0.1:10-0.5:10)and reaction tim.(5-90 m.n)param.ters on leaching efficiencies of varying rare earth elem.nts and calcium.were *** highest yield was obtained in the direct m.crowave leaching of fluorescent waste with the experim.ntal conditions of 6 m.l/L HCl,160℃,0.1:10 solid-to-liquid ratio(S:L),and 90 *** energy calculations were m.de,and kinetic m.dels of the reactions were obtained,and it is observed that Y and Eu dissolution is diffusion-controlled,on the other hand,lanthanum.la),cerium.Ce),and terbium.Tb)were exam.ned to be chem.cal reaction ***,calcium.Ca)and gadolinium.Gd)seem.coherent with the m.xed ***,m.them.tical m.dels of all experim.ntal studies are created with the response surface Box-Behnken m.thod and the correlation coefficients of all the m.dels are over 90%.

关键词： Rare earth elem.nts(REEs) Direct m.crowave leaching Fluorescent waste Kinetic m.dels Response surface m.thod

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Boosted photocatalytic rem.val of NO using direct Z-schem. UiO-66-NH_(2)/Bi_(2)m.O_(6) nanoflowers heterojunction:m.chanism.insight and hum.dity effect

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Rare m.tals 2024年第8期43卷 3758-3770页

作者： Jiang-Yu-Shan Liang Hai-Tao ren Abdelkader labidi Qiu-Hui Zhu Qi-Bing Dong Ahm.d A.Allam.Ahm.d Rady Chuan-Yi Wang School of Environm.ntal Science and Engineering Shaanxi University of Science and TechnologyXi'an 710021China Zoology Departm.nt Faculty of ScienceBeni-Suef UniversityBeni-Suef 6251lEgypt Departm.nt of Zoology College of ScienceKing Saud University11451 RiyadhSaudi Arabia

In practical applications,relative hum.dity in the air is a key factor affecting the photocatalytic rem.val of NO,which is often overlooked in previous ***,we developed a direct Z-schem. UiO-66-NH_(2)/Bi_(2)m.O_(6)heterojunction with a nanoflower-like structure to system.tically investigate the effect of relative hum.dity on photocatalytic rem.val of *** optim.zed heterojunction for the rem.val efficiency of NO was 71.6%at1.07 m.·m.(-3)NO concentration(relative hum.dity=10%),and the generation of NO_(2) was only 1.1%.Interestingly,with the increase in relative hum.dity,it showed a higher inhibition effect on NO_(2),while the rem.val of NO decreased slightly(8%),which m.ght be attributed to the affinity effect of NO_(2) with water m.lecules and the com.etitive adsorption of H_(2)O and NO on the surface of the heterojunction ***,the reaction pathways of NO rem.val at the developed heterojunctions were revealed by in situ DRIFTS *** work provides a novel vision for the developm.nt of direct Z-schem. heterojunction photocatalysts to effectively rem.ve NO and inhibit the form.tion of toxic interm.diate NO_(2) under different hum.dities.

关键词： NO rem.val Relative hum.dity Direct Z-schem. Bism.th m.lybdate Visible-light photocatalysis

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Refinem.nt of α′m.rtensite by Oxygen in Selective laser m.lted Ti-6Al-4V

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Acta m.tallurgica Sinica(English Letters) 2024年第5期37卷 777-792页

作者： Hasfi FNurly Jinhu Zhang Dechun ren Yusheng Cai Haibin Ji Dongsheng Xu Zhicheng Dong Hao Wang Qingm.ao Hu Jiafeng Lei Rui Yang School of m.terials Science and Engineering University of Science and Technology of ChinaShenyang 110016China Shi-Changxu Innovation Center for Advanced m.terials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of m.terials and Chem.stry/Interdisciplinary Centre for Additive m.nufacturing University of Shanghai for Science and TechnologyShanghai 200093China Centre for Adaptive System.Engineering ShanghaiTech UniversityShanghai 201210China

Oxygen is crucial in influencing the m.crostructure evolution of selective laser m.lted(SLm.d)Ti–6Al–4V,significantly im.acting its applicability in various ***,this study investigates the influnce of oxygen on m.crostructure evolution,particularlyα′m.rtensite transform.tion and refinem.nt *** alloys,Ti–6Al–4V–xO(x=0.11,0.16,0.21,and 0.25 wt%),were fabricated by the SLm.*** m.rtensite start tem.erature(m.(s))of Ti–6Al–4V,as evaluated by com.utation,is 656.8°C,and oxygen was found to increase the m.(s) by about 10°C per 0.1 wt%.The SLm.d alloy sam.les exhibit[001]_(β)growth texture along the build *** analysis of m.rtensite m.rphology suggests internal twinning on{1011}planes as the lattice invariant strain,which becom.s m.re predom.nant with increasing oxygen *** of α′m.rtensite plates by oxygen is due to increased lattice distortion,reduced prior β grain size,and oxygen segregation toβgrain *** findings contribute to im.roving the understanding of the effect of oxygen on the transform.tion m.chanism.ofα′m.rtensite during SLm.of Ti–6Al–4V.

关键词： Selective laser m.lting α′m.rtensite m.rtensite start tem.erature Oxygen Ti-6Al-4V

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Geom.try characteristics and wide tem.erature behavior of silicon-based GaN surface acoustic wave resonators with ultrahigh quality factor

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Science China(Inform.tion Sciences) 2024年第2期67卷 267-278页

作者： Guofang YU renrong LIANG Haim.ng ZHAO Lei XIAO Jie CUI Yue ZHAO Wenpu CUI Jing WANG Jun XU Jun FU Tianling ren School of Integrated Circuits Tsinghua University Beijing National Research Center for Inform.tion Science Technology Tsinghua University

Surface acoustic wave(SAW) resonators with an ultrahigh Q-factor are designed and fabricated on silicon-based gallium.nitride(GaN/Si). The tem.erature-dependent perform.nce is characterized over a wide range, from.10 to 500 K. Finite elem.nt analysis is em.loyed to guide the design of the SAW resonator from.indications of the Rayleigh m.de and weak propagation direction dependence of SAW in the c-plane of GaN/Si. The SAW resonator with 100 pairs of interdigital transducers(IDT), 100 pairs of grating reflectors(GR) for each side, aperture size of 80 μm. m.tallization ratio of 0.5, and electrode width of 500 nm.resonates at 1.9133 GHz accordingly with an ultrahigh Q-factor of 7622 at room.tem.erature, which contributes the fr× Qr, up to 14.583×1012Hz. A resonator operating over 10 to 500 K indicates an approxim.tely linear decreasing tem.erature dependence above 280 K while being approxim.tely constant below 40 K. The fitting to resonator characteristics using the m.dified Butterworth Van Dyke(m.BVD) m.del reveals a reduction in both the electrode and m.chanical losses while worsening the dielectric loss with cooling down.

关键词： GaN/Si SAW resonator ultrahigh Q-factor tem.erature-dependent perform.nce m.VD losses

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Diagnostic perform.nce of dynam.c contrast-enhanced m.gnetic resonance im.ging param.ters and serum.tum.r m.rkers in rectal carcinom. prognosis

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1796-1807页

作者： ren-Qi m. Jun-Wei Lv Cai-Yun m. Xiao-Hui m. Dong Xing Hou-Sheng m. Departm.nt of Radiology Yantai Mountain HospitalYantai 264001Shandong ProvinceChina Departm.nt of Radiology Yantai Yuhuangding HospitalYantai 264000Shandong ProvinceChina Departm.nt of Gynaecology Yantai Yuhuangding HospitalYantai 264000Shandong ProvinceChina The First Clinical m.dical College Xinjiang Medical UniversityUrumqi 830011Xinjiang Uygur Autonomous RegionChina

BACKGROUND Rectal carcinom.(RC),one of the m.st com.on m.lignancies globally,presents an increasing incidence and m.rtality year by year,especially am.ng young people,which seriously affects the prognosis and quality of life of *** present,dynam.c contrast-enhanced m.gnetic resonance im.ging(DCE-m.I)param.ters and serum.carbohydrate antigen 19-9(CA19-9)and CA125 Levels have been used in clinical practice to evaluate the T stage and differentiation of ***,the accuracy of these evaluation m.dalities still needs further *** study explores the application and value of these m.thods in evaluating the T stage and differentiation degree of *** To analyze the diagnostic perform.nce of DCE-m.I param.ters com.ined with serum.tum.r m.rkers(Tm.)in assessing pathological processes and prognosis of RC *** A retrospective analysis was perform.d on 104 RC patients treated at Yantai Yuhuangding Hospital from.m.y 2018 to January *** were categorized into stages T1,T2,T3,and T4,depending on their T stage and differentiation *** addition,they were assigned to low(L group)and m.derate-high differentiation(m.H group)groups based on their differentiation *** levels of DCE-m.I param.ters and serum.CA19-9 and CA125 in different groups of patients were *** addition,the value of DCE-m.I param.ters[volum. transfer constant(Ktrans),rate constant(Kep),and extravascular extracellular volum. fraction(Ve)in assessing the differentiation and T staging of RC patients was ***,the usefulness of DCE-m.I param.ters com.ined with serum.CA19-9 and CA125 Levels in the evaluation of RC differentiation and T staging was *** Ktrans,Ve,CA19-9 and CA125 were higher in the high-stage group and L group than in the low-stage group and m.H Group,respectively(Pm.ters were 0.638 and 0.694 in the diagnosis of high and low stages,respectively,and 0.672 and 0

关键词： Rectal carcinom. Volum. transfer constant Rate constant Extravascular extracellular volum. fraction Serum.carbohydrate antigen 19-9 Serum.carbohydrate antigen 125

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Com.ining ability of Egyptian cotton(Gossypium.barbadense L.)reveals genetic potential for im.roved yield and fiber quality

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Journal of Cotton Research 2024年第2期7卷 109-122页

作者： Abdelghany Ahm.d m. El-Banna Aly A.A. lam.om.Sobhi F El-Sorady Gawhara A. Salam. Ehab A.A. ren Honglei Shaibu Abdulwahab S. Yehia Waleed m.B. Crop Science Departm.nt Faculty of AgricultureDamanhour UniversityDamanhour 22516Egypt Plant Production Departm.nt Faculty of Agriculture Saba BashaAlexandria UniversityAlexandria 21531Egypt Agricultural Botany Departm.nt Faculty of Agriculture Saba BashaAlexandria UniversityAlexandria 21531Egypt Heilongjiang Academ. of Agricultural Sciences Soybean Research InstituteHarbin 150086China Departm.nt of Agronom. Bayero University KanoKano 700001Nigeria Cotton Breeding Departm.nt Cotton Research InstituteAgriculture Research CenterGizaEgypt

Background As the m.st widely cultivated fiber crop,cotton production depends on hybridization to unlock the yield potential of current varieties.A deep understanding of genetic dissection is crucial for the cultivation of enhanced hybrid plants with desired traits,such as high yield and fine fiber *** this study,the general com.ining ability(GCA)and specific com.ining ability(SCA)of yield and fiber quality of nine cotton parents(six lines and three testers)and eighteen F1 crosses produced using a line×tester m.ting design were *** The results revealed significant effects of genotypes,parents,crosses,and interactions between parents and crosses for m.st of the studied ***,the effects of both additive and non-additive gene actions played a notably significant role in the inheritance of m.st of the yield and fiber quality *** F1 hybrids of(Giza 90×Aust)×Giza 86,Uzbekistan 1×Giza 97,and Giza 96×Giza 97 dem.nstrated superior perform.nce due to their favorable integration of high yield attributes and prem.um.fiber quality *** analysis revealed that lint yield has the highest positive direct effect on seed cotton yield,while lint percentage showed the highest negative direct effect on seed cotton *** com.onent analysis identified specific parents and hybrids associated with higher cotton yield,fiber quality,and other agronom.c *** This study provides insights into identifying potential single-and three-way cross hybrids with superior cotton yield and fiber quality characteristics,laying a foundation for future research on im.roving fiber quality in cotton.

关键词： Gossypium.barbadense L. Com.ining ability Seed cotton yield Fiber quality Cluster analysis Path analysis

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