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Fluorine-Modulated MXene-Derived catalysts for Multiphase Sulfur c.n.ersion in Lithium-Sulfur Battery

nano-Micro Letters 2024年第12期16卷 201-216页

作者： Qinhua Gu Yiqi cao Junnan chen Yujie Qi Zhaofeng Zhai Ming Lu nan Huang Bingsen Zhang Shenyang national Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016People’s Republic of China School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 110016People’s Republic of China The Joint Laboratory of MXene Materials Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of EducationKey Laboratory of Preparation and Application of Environmental Friendly Materials of the Ministry of EducationJilin Normal UniversityChangchun 130103People’s Republic of China

Fluorine owing to its inherently high electronegativity exhibits charge delocalization and ion dissociation capabilities;as a result,there has been an influx of research studies focused on the utilization of fluorides to optimize solid electrolyte interfaces and provide dynamic protection of electrodes to regulate the reaction and function performance of ***,the shuttle effect and the sluggish redox reaction kinetics emphasize the potential bottlenecks of lithium-sulfur *** fluorine modulation regulate the reaction process of Li-S chemistry?Here,the TiOF/Ti_(3)c_(2)MXene nanoribbons with a tailored F distribution were c.n.tructed via an nH4F fluorinated *** on in situ characterizations and electrochemical analysis,the F activates the catalysis function of Ti metal atoms in the c.n.ecutive redox *** positive charge of Ti metal sites is increased due to the formation of O-Ti-F bonds based on the Lewis acid-base mechanism,which c.n.ributes to the adsorption of polysulfides,provides more nucleation sites and promotes the cleavage of S-S *** facilitates the deposition of Li_(2)S at lower ***,fluorine has the capacity to capture electrons originating from Li_(2)S dissolution due to charge compensation *** fluorine modulation strategy holds the promise of guiding the c.n.truction of fluorine-based catalysts and facilitating the seamless integration of multiple c.n.ecutive heterogeneous catalytic processes.

关键词： catalysis Fluorination MXene Lithium-sulfur battery Shuttle effect

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Serum proteins differentially expressed in gestational diabetes mellitus assessed using isobaric tag for relative and absolute quantitation proteomics

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World Journal of clinical cases 2024年第8期12卷 1395-1405页

作者： Wei-Li cao cui-Ping Yu Ling-Li Zhang Department of Women’s Health care Maternal and Child Health Hospital of Hubei ProvinceWuhan 430070Hubei ProvinceChina Obstetrical Department The First People’s Hospital of Jiangxia District Wuhan City(Union Jiangnan Hospital Huazhong University of Science and Technology)Wuhan 430200Hubei ProvinceC Department of Gynecology Maternal and Child Health Hospital of Hubei ProvinceWuhan 430070Hubei ProvinceChina

BAcKGROUnD As a well-known fact to the public,gestational diabetes mellitus(GDM)could bring serious risks for both pregnant women and *** this important investigation into the linkage between GDM patients and their altered expression in the serum,proteomics tec.n.ques were deployed to detect the differentially expressed proteins(DEPs)of in the serum of GDM patients to further explore its pathogenesis,and find out possible biomarkers to forecast GDM *** Subjects were divided into GDM and normal c.n.rol groups according to the IADPSG diagnostic *** samples were randomly selected from four cases in each group at 24-28 wk of gestation,and the blood samples were identified by applying iTRAQ tec.n.logy combined with liquid chromatography-tandem mass *** proteins and signaling pathways associated with GDM were identified by bioinformatics analysis,and the expression of key proteins in serum from 12 wk to 16 wk of gestation was further verified using enzyme-linked immunosorbent assay (ELISA).RESULTS Forty-seven proteins were signific.n.ly differentially expressed by analyzing the serum samples between the GDMgravidas as well as the healthy ones. Among them, 31 proteins were found to be upregulated notably and the rest16 proteins were downregulated remarkably. Bioinformatic data report revealed abnormal expression of proteinsassociated with lipid metabolism, coagulation cascade activation, complement system and inflammatory responsein the GDM group. ELISA results showed that the c.n.ents of RBP4, as well as AnGPTL8, increased in the serumof GDM gravidas compared with the healthy ones, and this change was found to initiate from 12 wk to 16 wk *** GDM symptoms may involve abnormalities in lipid metabolism, coagulation cascade activation, complementsystem and inflammatory response. RBP4 and AnGPTL8 are expected to be early predictors of GDM.

关键词： Gestational diabetes mellitus Liquid chromatography-tandem mass spectrometry Isobaric tag for relative and absolute quantitation Proteomics Biomarker

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Superior and safer lithium sulfur batteries realized by robust polysulfides-retarding dam with high flame retardance

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Journal of Energy chemistry 2024年第2期89卷 471-486,I0011页

作者： Junling Wang Yanfang cao Zhirong Wang Yinquan Zhao chuang He Fudong Zhao chaoling Han Shui Yu Jiangsu Key Laboratory of Hazardous chemicals Safety and c.n.rol College of Safety Science and EngineeringNanjing Tech UniversityNanjing 211816JiangsuChina Department of Architecture and civil Engineering City University of Hong KongHong Kong 999077China School of Mechanical and Power Engineering Nanjing Tech UniversityNanjing 211816JiangsuChina

The unparalleled energy density has granted lithium-sulfur batteries(LSBs)with attractive ***,LSBs still face some unsurpassed challenges in industrialization,with polysulfides shuttling,dendrite growth and thermal hazard as the major problems triggering the cycling instability and low *** the merit of c.n.enience,the method of designing functional separator has been ***,the carbon aerogel c.n.ined with coS_(2)(coS_(2)-ncA)is c.n.tructed and coated on celgard separator surface,acquiring coS_(2)-ncA modified separator(coS_(2)-ncA@c),which holds the promoted electrolyte affinity and flame *** revealed,coS_(2)-ncA@c cell gives a high discharge capacity 1536.9 mAh/g at 1st cycle,much higher than that of celgard cell(987.1 mAh/g).Moreover,the thermal runaway triggering time is dramatically prolonged by 777.4 min,corroborating the promoted thermal safety of ***,the higher coulombic efficiency stability and lower overpotential jointly c.n.irm the efficacy of coS_(2)-ncA@c in suppressing the lithium dendrite ***,this work c.n.provide useful inspirations for designing functional separator,coping with the vexing issues of LSBs.

关键词： Lithium-sulfur batteries Thermal safety Flame retardancy Separator

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Selective cO_(2)Electroreduction to Multi-carbon Products on Organic-Functionalized cuO nanoparticles by Local Micro-Environment Modulation

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nano-Micro Letters 2024年第12期16卷 120-132页

作者： Shan Ren Xi cao Qikui Fan Zhimao Yang Fei Wang Xin Wang Licheng Bai Jian Yang Materials Interfaces c.n.er Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongPeople’s Republic of China Key Laboratory of Functional Molecular Solids Ministry of EducationCollege of Chemistry and Materials ScienceAnhui Normal UniversityWuhu 241002AnhuiPeople’s Republic of China School of Physics Xi’an Jiaotong UniversityXi’an 710049ShaanxiPeople’s Republic of China college of Materials Science and Engineering Shenzhen UniversityShenzhen 518071GuangdongPeople’s Republic of China

Surface functionalization of cu-based catalysts has demonstrated promising potential for enhanc.n. the electrochemical cO_(2)reduction reaction(cO_(2)RR)toward multi-carbon(c2+)products,primarily by suppressing the parasitic hydrogen evolution reaction and facilitating a localized cO_(2)/cO c.n.entration at the *** upon this approach,we developed surface-functionalized catalysts with exceptional activity and selectivity for electrocatalytic cO_(2)RR to c_(2+)in a neutral *** cuO nanoparticles coated with hexaethynylbenzene organic molecules(HEB-cuO nPs),a remarkable c_(2+)Faradaic efficiency of nearly 90%was achieved at an unprecedented current density of 300 mA cm^(-2),and a high FE(>80%)was maintained at a wide range of current densities(100-600 mA cm^(-2))in neutral environments using a flow ***,in a membrane electrode assembly(MEA)electrolyzer,86.14%FEc2+was achieved at a partial current density of 387.6 mA cm^(-2)while maintaining c.n.inuous operation for over 50 h at a current density of 200 mA cm^(-2).In-situ spectroscopy studies and molecular dynamics simulations reveal that reduc.n. the coverage of coordinated K⋅H2O water increased the probability of intermediate reactants(cO)interacting with the surface,thereby promoting efficient c-c coupling and enhanc.n. the yield of c_(2+)*** advancement offers signific.n. potential for optimizing local micro-environments for sustainable and highly efficient c_(2+)production.

关键词： cO_(2)electroreduction to c_(2+) neutral electrolyte Organic-functionalized cuO nanoparticles Local micro-environment

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Simultaneous acceleration of sulfur reduction and oxidation on bifunctional electrocatalytic electrodes for quasi-solid-state Zn–S batteries

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Science china chemistry 2024年第5期67卷 1531-1538页

作者： Mingli Wang Hong Zhang Tianhang Ding Fangjun Wu Lin Fu Bin Song Pengfei cao Ke Lu Institutes of Physical Science and Information Tec.n.logy School of Materials Science and EngineeringKey Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of EducationAnhui UniversityHefei 230601China Hefei national Laboratory for Physical Sciences at the Microscale University of Science and Technology of ChinaHefei 230026China School of chemistry and chemical Engineering Harbin Institute of TechnologyHarbin 150001China School of chemistry and chemical Engineering Guizhou UniversityGuiyang 550025China Institute of Functional nano&Soft Materials(FUnSOM) Soochow UniversitySuzhou 215123China State Key Lab of Organic-Inorganic composites Beijing University of Chemical TechnologyBeijing 100029China

The incomplete sulfur reduction and high ZnS re-oxidation energy barrier along with severe side reactions during the battery cycling compromise the practical application of Zn–S electrochemistry. Herein, a bifunctional electrocatalytic sulfur matrix that simultaneously accelerates the sulfur reduction and ZnS oxidation is proposed to realize a highly-efficient Zn–S cell. It is revealed that the n-heteroatom hotspots are more favorable for facilitating the c.n.ersion of S to ZnS while the coO nanocrystal substantially lowers the ZnS activation energy barrier thereby suppressing the formation of disproportionation species(e.g.,SO_(4)^(2-)) and accumulation of inactive ZnS. Accordingly, the co O anchored on the n-doped carbon-supported sulfur cathode delivers a high Zn^(2+)storage capacity of 1,172 m Ahg^(-1)and outstanding cycling stability with a capacity retention of 71.6% after500 cycles with a high average coulombic efficiency of 97.8%. Simultaneously, the stable cycling of solid-state Zn–S pouch cells with an energy density of 585 Whkg^(-1)sulfuris also demonstrated. Moreover, the postmortem analysis reveals that the degradation of Zn–S cells is mainly attributed to the limited reversibility of Zn anodes rather than the ZnS decomposition and/or accumulation. The approach to the bidirectional catalysis manipulated the sulfur redox provides a new perspective to realize the theoretical potentials of Zn–S cells.

关键词： Zn–S battery bifunctional catalysts solid-state battery sulfur redox degradation mechanism

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Biomimetic porous silic.n.oxycarbide ceramics with improved specific strength and efficient thermal insulation

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Journal of Materials Science & Tec.n.logy 2024年第1期168卷 185-193页

作者： Zhuoqing Zhang Jinghan Li Lei cao Yu Shi Huajie Yang Rui Yang Fan Xie Xing Zhang Shi-changxu Innovation c.n.er for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Materials Science and Engineering University of Science and Technology of ChinaHefei 230026China School of Materials Science and Engineering Shenyang Ligong UniversityShenyang 110159China Shenyang Aircraft Design and Research Institute Shenyang 110035China

c.n.idering the challenge of aerodynamic heating,the development of high-performance insulating ce-ramic materials with lightweight and low thermal c.n.uctivity is crucially important for aerospace vehi-cles to achieve flight at high speed for a long *** this work,macro-porous silic.n.oxycarbide(SiOc)ceramics with directional pores(DP-SiOc)(mean pore size of 88.1μm)were prepared using polysiloxane precursors via freeze casting and photocrosslinking,followed by *** DP-SiOc samples were lightweight(density∼0.135 g cm^(-3))with a porosity of 90.4%,which showed good shapability through the molding of polysiloxane *** DP-SiOc samples also exhibited an ultra-low thermal c.n.ductivity of 0.048 W(m K)^(-1)at room temperature,which c.n.also withstand heat treatment at 1200°c for 1 *** addition,scaffolds with triply periodic minimal surfaces(TPMS)were fabricated using digital light processing(DLP)printing,which was further filled with polysiloxane precursors for increasing the strength of *** TPMS scaffolds filled with macro-porous SiOc ceramics(TPMS-DP-SiOc)showed good integration between TPMS and macro-pore structures,which had a porosity∼75%and high specific strength of 9.73×10^(3)n m kg^(-1).The thermal c.n.uctivity of TPMS-DP-SiOc samples was 0.255 W(m K)^(-1)at room *** biomimetic TPMS-DP-SiOc ceramics developed in this study are likely used for thermal protection systems.

关键词： Thermal insulation Light weight Macro-porous ceramics SiOc

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P7c3-A20 treats traumatic brain injury in rats by inhibiting excessive autophagy and apoptosis

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neural Regeneration Research 2024年第5期19卷 1078-1083页

作者： Zhiqing Yang Zhenchao Wang Xiaoqi Deng Lingxin Zhu Zhaomeng Song changyu cao Xinran Li School of Life Science and Engineering Foshan UniversityFoshanGuangdong ProvinceChina Foshan University Veterinary Teaching Hospital FoshanGuangdong ProvinceChina

Traumatic brain injury is a severe health problem leading to autophagy and apoptosis in the brain.3,6-Dibromo-beta-fluoro-n-(3-methoxyphenyl)-9H-carbazole-9-propanamine(P7c3-A20)c.n.be neuroprotective in various diseases,including ischemic stroke and neurodegenerative ***,whether P7c3-A20 has a therapeutic effect on traumatic brain injury and its possible molecular mechanisms are ***,in the present study,we investigated the therapeutic effects of P7c3-A20 on traumatic brain injury and explored the putative underlying molecular *** established a traumatic brain injury rat model using a modified weight drop method.P7c3-A20 or vehicle was injected intraperitoneally after traumatic brain *** neurological deficits were found in rats after traumatic brain injury,with deterioration in balance,walking function,and learning ***,hematoxylin and eosin staining showed signific.n. neuronal cell damage,while terminal deoxynucleotidyl transferase mediated dUTP nick end labeling staining indicated a high rate of *** presence of autolysosomes was observed using transmission electron microscope.P7c3-A20 treatment reversed these pathological *** blotting showed that P7c3-A20 treatment reduced microtubule-associated protein 1 light chain 3-Ⅱ(Lc3-Ⅱ)autophagy protein,apoptosis-related proteins(namely,Bcl-2/adenovirus E1B 19-kDa-interacting protein 3[BnIP3],and Bcl-2 associated x protein[Bax]),and elevated ubiquitin-binding protein p62(p62)autophagy protein ***,P7c3-A20 c.n.treat traumatic brain injury in rats by inhibiting excessive autophagy and apoptosis.

关键词： apoptosis autophagy cortex hippocampus motor function P7c3-A20 traumatic brain injury

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An AIEgen nano-assembly for simultaneous detection of ATP and H_(2)S

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chinese chemical Letters 2024年第6期35卷 376-379页

作者： Jia-Mei Qin Xue Li Wei Lang Fu-Hao Zhang Qian-Yong cao School of chemistry and chemical Engineering Nanchang UniversityNanchang 330031China

A new aggregation-induced emission(AIE)-based fluoresc.n.e sensor,TPEPy-SS-c14,for simultaneous recognition of adenosine triphosphate(ATP)and hydrogen sulfide(H_(2)S)has been reported via the aggregation-disaggregation *** probe self-assembles nano-structure aggregations in aqueous *** shows fluoresc.n.e turn-on response toward ATP for the complexation-enhanced aggregation,but leads to fluoresc.n.e quenching of H_(2)S for cleavage the aggregations.

关键词： AIE-based ATP detection H_(2)S detection Fluoresc.n. sensor cell imaging

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Effects of potassium lactate on sensory attributes,bacterial community succession and biogenic amines formation in Rugao ham

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Food Science and Human Wellness 2024年第1期13卷 198-210页

作者： Renyong Liao Ying Wang Qiang Xia changyu Zhou Fang Geng Daodong Pan Jinxuan cao State Key Laboratory for Managing Biotic and chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Food Processing Technology of Zhejiang ProvinceNingbo UniversityNingbo 315211China Meat Processing Key Laboratory of Sichuan Province School of Food and Biological EngineeringChengdu UniversityChengdu 610106China School of Food and Health Beijing Technology and Business UniversityBeijing 100048China

To deepen the understanding in the effect of potassium lactate on the sensory quality and safety of Rugao ham,sensory attributes,physicochemical parameters,total volatile basic.n.trogen(TVBn),microorganism community and biogenic amines of Rugao ham manufactured with different potassium lactate levels(0%,0.5%,1%,2%)were investigated;the relationship between microbial community and the formation of TVBn and biogenic amines was further *** the increase of potassium lactate from 0%to 2%,the increased sensory scores and the decreased total aerobic bacterial count and TVBn were observed;the abundance of Staphylococcus increased,while the c.n.ent of Halomonas *** effect size(LEf Se)and correlations analysis showed that Staphylococcus equorum and Lactobacillus fermentum could be the key species to improve sensory scores and decrease biogenic amines and *** pathway analysis further showed that amino acids metabolism and nitrogen metabolism were mainly involved in decreasing TVBn and biogenic amines in the treatment of 2%potassium lactate.

关键词： Rugao ham Potassium lactate Biogenic amines Microbial community Metabolic pathways

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Global, regional, and national burden of early-onset gastric c.n.er

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c.n.er Biology & Medic.n. 2024年第8期21卷 667-678页

作者： nuopei Tan Hongliang Wu Maomao cao Fan Yang Xinxin Yan Siyi He Mengdi cao Shaoli Zhang Yi Teng Qianru Li Jiachen Wang changfa Xia Wanqing chen Department of c.n.er Screening National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China Department of Anesthesiology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China

Objective: The burden of gastric c.n.er(Gc) across different age groups needs updating. We determined the Gc global, regional, and national burden profiles and changes in incidence for 3 sequential 5-year intervals from 2003 to ***: The latest incidence and mortality estimates of Gc from 185 countries and regions were extracted from the GLOBOc.n.2022 database. The 5-year interval age-standardised incidence rates(ASIRs) were evaluated using c.n.er registry data from volumes X±XII of the c.n.er Incidence in Five c.n.inents(cI5). correlation analysis was used to evaluate the relationship between ASIR or the age-standardised mortality rate(ASMR) and the Human Development Index(HDI).Results: There was an estimated global 968,000 new Gc cases and 660,000 deaths in 2022, with male predominance. Gc ASIRs and ASMRs were 9.2 and 6.1 per 100,000 persons, respectively. East Asia had the highest burden, with 53.8% of cases and 48.2% of deaths among all geographic regions. There was a signific.n. correlation between ASIR and HDI. Over three 5-year intervals from 2003 to 2017, the incidence of Gc.n.tably decreased in most countries but peaked at 2008±2012 in new Zealand, Turkey, and South Africa. Several countries in Europe, Oceania, and America suggest an increasingly c.n.erning trend among younger individuals, especially ***: Gc is a signific.n. health issue, especially among males and in geographic regions with an HDI, such as eastern Asia. While the incidence of Gc is decreasing in many countries due to prevention efforts and improved treatments, a rising trend persists among younger individuals. comprehensive prevention strategies tailored to different age patterns are clearly needed.

关键词： Gastric c.n.er c.n.er burden GLOBOcAn incidence mortality

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