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Doping-driven dual heterogeneous interfacial structures boosting the durability of industry-compatible water splitting at high current density

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Science China Chemistry 2024年第10期67卷 3468-3481页

作者： Chunming Yang Lihai zhou Zhijie Kong Xiang Li Wangchuan Zhu Guangqing Wang Yanzhong zhen Feng Fu Yucang Liang Research Institute of Comprehensive Energy Industry Technology College of Chemistry&Chemical EngineeringYan’an UniversityYan’an 716000China Henan Key Laboratory of Crystalline Molecular Functional Materials Green Catalysis CenterCollege of ChemistryZhengzhou UniversityZhengzhou 450001China Institut für Anorganische Chemie Eberhard Karls UniversitätTübingen 72076Germany

Developing highly stable electrocatalysts under industry-compatible current densities(>500 mA cm^(-2.)in an anion-exchange membrane water electrolyzer(AEMWE)is an enormous challenge for water ***,based on the results of density function theory calculations,a dual heterogeneous interfacial structured NiSe/Fe-Ni(OH)_(2.catalyst was subtly designed and successfully prepared by electrodepositing Fe-doped Ni(OH)_(2.on NiSe-loaded nickel foam(NF).Fe doping-driven heterogeneous structures in NiSe/Fe-Ni(OH)_(2.markedly boost catalytic activity and durability at industrially compatible current densities in single hydrogen and oxygen evolution reactions under alkaline *** particular,NiSe/Fe-Ni(OH)_(2.shows a negligible performance loss at 600 mA cm^(-2.at least 1,000 h for overall water splitting,a distinguished long-term durability acting as AEMWE electrodes at 600 mA cm^(-2.and 1 A cm^(-2.at 85℃for at least 95 *** to Fe doping-induced strong synergetic effect between Ni and Fe,dual heterostructure-promoted charge transfer and redistribution,abundant catalytic active sites,and improvement of stability and durability,a mechanism of Fe doping-driven heterogeneous interfacial structurepromoted catalytic performance was *** study provides a successful example of theory-directed catalyst preparation and pioneers a creative strategy for industry-compatible water splitting at high current density.

关键词： doping-induced heterojunction structure NiSe/Fe-Ni(OH)_(2. large current density anion-exchange membrane industrycompatible water electrolysis

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Marker Ki-67 is a potential biomarker for the diagnosis and prognosis of prostate cancer based on two cohorts

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World Journal of Clinical Cases 2024年第1期12卷 32-41页

作者： zhen Song Qi zhou Jiang-Lei Zhang Jun Ouyang Zhi-Yu Zhang Department of Urology Taixing People’s HospitalTaizhou 225400Jiangsu ProvinceChina Department of Urology The First Affiliated Hospital of Soochow UniversitySuzhou 215000Jiangsu ProvinceChina Department of Reproductive Medicine Center The First Affiliated Hospital of Soochow UniversitySuzhou 215000Jiangsu ProvinceChina

BACKGROUND Prostate cancer(PCa)is a widespread malignancy,predominantly affecting elderly males,and current methods for diagnosis and treatment of this disease continue to fall *** marker Ki-67(MKI67)has been previously demonstrated to correlate with the proliferation and metastasis of various cancer cells,including those of ***,verifying the association between MKI67 and the diagnosis and prognosis of PCa,using bioinformatics databases and clinical data analysis,carries significant clinical *** To explore the diagnostic and prognostic efficacy of antigens identified by MKI67 expression in *** For cohort 1,the efficacy of MKI67 diagnosis was evaluated using data from The Cancer Genome Atlas(TCGA)and Genotype-Tissue Expression(GTEx)*** cohort 2.the diagnostic and prognostic power of MKI67 expression was further validated using data from 2.1 patients with clinical *** In cohort 1,MKI67 expression was correlated with prostate-specific antigen(PSA),Gleason Score,T stage,and N *** receiver operating characteristic(ROC)curve showed a strong diagnostic ability,and the Kaplan-Meier method demonstrated that MKI67 expression was negatively associated with the progression-free interval(PFI).The time-ROC curve displayed a weak prognostic capability for MKI67 expression in *** cohort 2.MKI67 expression was significantly related to the Gleason Score,T stage,and N stage;however,it was negatively associated with the *** time-ROC curve revealed the stronger prognostic capability of MKI67 in patients with *** COX regression analysis was performed to select risk factors,including PSA level,N stage,and MKI67 expression.A nomogram was established to predict the 3-year *** MKI67 expression was positively associated with the Gleason Score,T stage,and N stage and showed a strong diagnostic and prognostic ability in PCa.

关键词： Marker Ki-67 Prostate cancer Biomarker Diagnosis Prognosis

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Aflatoxin B1 decreased flesh flavor and inhibited muscle development in grass carp(Ctenopharyngodon idella)

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Animal Nutrition 2024年第3期18卷 27-38页

作者： Xiang Ning He zhen zhen Zeng Wei Dan Jiang Pei Wu Yang Liu Sheng Yao Kuang Ling Tang Shu Wei Li Lin Feng Xiao Qiu {2. Animal Nutrition Institute Sichuan Agricultural UniversityChengdu 611130China Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province Sichuan Agricultural UniversityChengdu 611130China Key Laboratory for Animal Disease-Resistance Nutrition Ministry of EducationMinistry of Agriculture and Rural AffairsKey Laboratory of Sichuan ProvinceChengdu 611130China Animal Nutrition Institute Sichuan Academy of Animal ScienceChengdu 610066China

In nature,aflatoxins,especially aflatoxin B1(AFB1),are the common mycotoxins,which cause serious health problems for humans and *** paper aimed to study the effects of AFB1 on flesh flavor and muscle development of grass carp(Ctenopharyngodon idella)and its *** were 1440 individual fish in total,with 6 treatments and each treatment replicated 3 *** 6 treatments were fed a control diet with different doses of AFB1(0.04,2..48,58.66,85.94,110.43 and 146.92.g/kg diet)for 60 ***1 increased myofiber diameter,as well as decreased myofiber density of grass carp muscle(P2.MMP-2.and matrix metalloproteinase-9(MMP-9)were increased(P2.and MMP-9 were upregulated(P<0.05),but collagenⅠ,lamininβ1 and fibronectin were downregulated(P<0.05)with the dietary AFB1 increased in the muscle of grass *** on the results of this study,we can draw the following conclusion:dietary AFB1 might damage flesh flavor and inhibit the muscle development through MAPK/uPA/MMP/extrac

关键词： Aflatoxin B1 Flesh flavor Muscle development Grass carp

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Low-noise and low-power pixel sensor chip for gas pixel detectors

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Nuclear Science and Techniques 2024年第3期35卷 142-152页

作者： Zhuo zhou Shi-Qiang zhou Dong Wang Xiang-Ming Sun Chao-Song Gao Peng-{2. Zhu Wei-Ping Ren Jun Liu Mu-Xian Li Chen Lian Chun-Lai Dong PLAC Key Laboratory of Quark and Lepton Physics(MOE)Central China Normal UniversityWuhan 430079China

Topmetal-M2.is a large-area pixel sensor chip fabricated using the GSMC 130 nm CMOS process in *** pixel array of Topmetal-M2.consists of pixels of 400 rows×512.columns with a pixel pitch of 45μm×45μ*** array is divided into 16 subarrays,with pixels of 400 rows×32.columns per *** pixel incorporates two charge sensors:a diode sensor and a Topmetal *** in-pixel circuit primarily consists of a charge-sensitive amplifier for energy measurements,a discriminator with a peak-holding circuit,and a time-to-amplitude converter for time-of-arrival *** pixel of Topmetal-M2.has a charge input range of~0-3 k e-,a voltage output range of~0-180 mV,and a charge-voltage conversion gain of~59.56μV∕e-.The average equivalent noise charge of Topmetal-M2.which includes the readout electronic system noise,is~43.45 e-.In the scanning mode,the time resolution of Topmetal-M2.is 1 LSB=1.2.μs,and the precision is^()7.41μ*** an operating voltage of 1.5 V,Topmetal-M2.has a power consumption of~49 mW∕cm~*** this article,we provide a comprehensive overview of the chip architecture,pixel working principles,and functional behavior of ***,we present the results of preliminary tests conducted on Topmetal-M2.namely,alpha-particle and soft X-ray tests.

关键词： Charge collection Gas detectors Semiconductor detectors X-ray detectors

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Differences between two wheat genotypes in the development of floret primordia and contents of pigments and hormones

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The Crop Journal 2024年第4期12卷 1196-1207页

作者： Liangyun Wen Yaqun Liu Bingjin zhou Wan Sun Xuechen Xiao Zhimin Wang zhencai Sun zhen Zhang Yinghua Zhang College of Agronomy and Biotechnology China Agricultural UniversityBeijing 100193China Engineering Technology Research Center for Agriculture in Low Plain Areas Cangzhou 061800HebeiChina

Promoting more floret primordia within a spike to acquire fertile potential during the differentiation and pre-dimorphism phases is critical for increasing the number of fertile florets per spike(NFFs).However,it is yet unknown the physiological mechanism regulating the complex and dynamic *** study aimed to clarify how intra-spike hormones,pigments,and assimilates coordinate with each other to regulate spike morphology and then floret primordia development.A two-year field experiment was conducted with two winter wheat genotypes:N50(big-spike with greater NFFs)and SM2.(mediumspike with fewer NFFs).We monitored high temporal and spatial-resolution changes in the number and morphology of floret primordia within a spike,as well as in intra-spike hormones,pigments,and *** results revealed that the big-spike genotype had more NFFs than the medium-spike genotype,not only because they had more spikelets,but also because they had greater NFFs mainly at central *** floret primordia at central spikelets had sufficient time to develop and acquire fertile potential during the differentiation phase(167-176 d after sowing,DAS)and the pre-dimorphism phase(179 DAS)for the big-spike genotype than the medium-spike *** primordia with fertile morphology during the pre-dimorphism phase always developed into fertile florets during the dimorphism *** early-developed floret primordia most proximal and intermediate to the rachis in the big-spike genotype developed faster than the medium-spike ***,the spike dry matter and pigments(chlorophyll a,chlorophyll b,carotene,and carotenoids)content during 170-182.DAS,auxin(IAA)and cytokinin(CTK)content on 167 DAS were significantly higher in the big-spike genotype than in the medium-spike genotype,while jasmonic acid(JA)content was significantly lower in the big-spike genotype compared to the medium-spike genotype during 167-182.*** the significant differences in intra-s

关键词： Fertile florets Floret primordia development Intra-spike hormones Jasmonic acid Photosynthetic pigments

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Low Resource Chinese Geological Text Named Entity Recognition Based on Prompt Learning

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Journal of Earth Science 2024年第3期35卷 1035-1043页

作者： Hang He Chao Ma Shan Ye Wenqiang Tang Yuxuan zhou zhen Yu Jiaxin Yi Li Hou Mingcai Hou State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Institute of Sedimentary GeologyCollege of Computer Science and Cyber SecurityChengdu University of TechnologyChengdu 610059China Key Laboratory of Deep-Time Geography and Environment Reconstruction and Applications of Ministry of Natural Resources Chengdu University of TechnologyChengdu 610059China School of Information Engineering China University of Geosciences(Beijing)Beijing 100083China

Geological reports are a significant accomplishment for geologists involved in geological investigations and scientific research as they contain rich data and textual *** the rapid development of science and technology,a large number of textual reports have accumulated in the field of ***,many non-hot topics and non-English speaking regions are neglected in mainstream geoscience databases for geological information mining,making it more challenging for some researchers to extract necessary information from these *** Language Processing(NLP)has obvious advantages in processing large amounts of textual *** objective of this paper is to identify geological named entities from Chinese geological texts using NLP *** propose the RoBERTa-Prompt-Tuning-NER method,which leverages the concept of Prompt Learning and requires only a small amount of annotated data to train superior models for recognizing geological named entities in low-resource dataset *** RoBERTa layer captures context-based information and longer-distance dependencies through dynamic word ***,we conducted experiments on the constructed Geological Named Entity Recognition(GNER)*** experimental results show that the proposed model achieves the highest F1 score of 80.64%among the four baseline algorithms,demonstrating the reliability and robustness of using the model for Named Entity Recognition of geological texts.

关键词： Prompt Learning Named Entity Recognition(NER) low resource geological text text information mining big data geology.

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Alloyed Pt-Sn nanoparticles on hierarchical nitrogen-doped carbon nanocages for advanced glycerol electrooxidation

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Nano Research 2024年第5期17卷 4055-4061页

作者： Jietao Jiang Liqi zhou Fengfei Xu Guanghai Chen Xiaoyu Liu zhen Shen Lijun Yang Qiang Wu Xizhang Wang zheng Hu Key Laboratory of Mesoscopic Chemistry of MOE Jiangsu Provincial Laboratory for NanotechnologySchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023China National Laboratory of Solid State Microstructures Jiangsu Key Laboratory of Artificial Functional MaterialsCollege of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093China

Glycerol is an alternative sustainable fuel for fuel cells,and efficient electrocatalyst is crucial for glycerol oxidation reaction(GOR).The promising Pt catalysts are subject to the inadequate capability of C-C bond cleavage and the susceptibility to ***,Pt-Sn alloyed nanoparticles are immobilized on hierarchical nitrogen-doped carbon nanocages(hNCNCs)by convenient ethylene glycol reduction and subsequent thermal *** optimal Pt_(3)Sn/hNCNC catalyst exhibits excellent GOR performance with a high mass activity(5.9 A·mg_(Pt)^(-1)),which is 2.7 and 5.4 times higher than that of Pt/hNCNC and commercial Pt/C,*** an enhancement can be mainly ascribed to the increased anti-poisoning and C-C bond cleavage capability due to the Pt_(3)Sn alloying effect and Sn-enriched surface,the high dispersion of Pt_(3)Sn active species due to N-participation,as well as the high accessibility of Pt_(3)Sn active species due to the three-dimensional(3D)hierarchical architecture of *** study provides an effective GOR electrocatalyst and convenient approach for catalyst preparation.

关键词： Pt_(3)Sn alloy hierarchical nitrogen-doped carbon nanocages glycerol electrooxidation anti-poisoning C-C bond cleavage

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The haplotype-resolved T2. genome assembly of the wild potato species Solanum commersonii provides molecular insights into its freezing tolerance

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Plant Communications 2024年第10期5卷 1-4页

作者： Yang Feng Jie zhou Dianjue Li zhen Wang Cheng Peng Guangtao Zhu School of Life Sciences Yunnan Key Laboratory of Potato BiologyYunnan Normal UniversitySouthwest United Graduate SchoolKunmingYunnan 650500China Yunnan Key Laboratory of Cell Metabolism and Disease Center for Life SciencesSchool of Life SciencesYunnan UniversityKunmingYunnan 650500China School of Life Sciences Anhui Agricultural UniversityHefeiAnhui 230036China

Dear Editor,The potato is the most important tuber crop,playing an important role in ensuring world food *** genome of the cultivated species(DM,a doubled monoploid type)was first released in 2.11 and has been continually updated as the most popular reference(Yang et al.,2.2.).Recently,a high-quality assembly of tetraploid C88 was released(Bao et al.,2.2.).

关键词： cultivated freezing doubled

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Recent progress and strategies of cathodes toward polysulfides shuttle restriction for lithium-sulfur batteries

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Rare Metals 2024年第9期43卷 4132-4161页

作者： Xing-You Rao Shuang-Fei Xiang Jian zhou zhen Zhang Xiang-Yu Xu Yuan-Yuan Xu Xin-Chi zhou zheng-Dao Pan Su-Chong Tan Shi-Xing Dong zhou-Lu Wang Yu-Tong Wu Yun-Lei zhou Xiang Liu Yi Zhang Shan Jiang School of Energy Sciences and Engineering Nanjing Tech UniversityNanjing 211816China School of Materials Science and Engineering and Institute of Smart Fiber Materials Zhejiang Sci-Tech UniversityHangzhou 310018China JiangSu Sailboat Petrochemical Co. LtdLianyungang 222000China Hangzhou Institute of Technology Xidian UniversityHangzhou 311200China

Lithium-sulfur batteries(LSBs)have already developed into one of the most promising new-generation high-energy density electrochemical energy storage systems with outstanding features including high-energy density,low cost,and environmental ***,the development and commercialization path of LSBs still presents significant limitations and challenges,particularly the notorious shuttle effect triggered by soluble longchain lithium polysulfides(LiPSs),which inevitably leads to low utilization of cathode active sulfur and high battery capacity degradation,short cycle life,*** research efforts have been conducted to develop various sulfur host materials capable of effectively restricting the shuttle *** review firstly introduces the fundamental electrochemical aspects of LSBs,followed by a comprehensive analysis of the mechanism underlying the shuttle effect in Li–S batteries and its profound influence on various battery components as well as the overall battery ***,recent advances and strategies are systematically reviewed,including physical confinement,chemisorption,and catalytic conversion of sulfur hosts for restricting LiPSs shuttle *** interplay mechanisms of sulfur hosts and LiPSs are discussed in detail and the structural advantages of different host materials are ***,key insights for the rational design of advanced host materials for LSBs are provided,and the upcoming challenges and the prospects for sulfur host materials in lithium-sulfur batteries are also explored.

关键词： Lithium-sulfur batteries Polysulfides Shuttle effect Host

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Minimizing endogenous cryptic plasmids to construct antibiotic-free expression systems for Escherichia coli Nissle 1917

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Synthetic and Systems Biotechnology 2024年第1期9卷 165-175页

作者： Siyan zhou Linlin Zhao Wenjie Zuo Yilin zheng Ping Zhang Yanan Sun Yang Wang Guocheng Du zhen Kang The Science Center for Future Foods Jiangnan UniversityWuxi214122China The Key Laboratory of Carbohydrate Chemistry and Biotechnology Ministry of EducationSchool of BiotechnologyJiangnan UniversityWuxi214122China The Key Laboratory of Industrial Biotechnology Ministry of EducationSchool of BiotechnologyJiangnan UniversityWuxi214122China

The probiotic bacterium Escherichia coli Nissle 1917(EcN)holds significant promise for use in clinical and biological ***,the reliance on antibiotics to maintain plasmid-borne genes has overshadowed its *** this study,we addressed this issue by engineering the endogenous cryptic plasmids pMUT1 and *** non-essential elements were removed to create more stable derivatives pMUT1NR△and pMUT2.BC△.Synthetic promoters by integrating binding motifs on sigma factors were further constructed and applied for expression of Bacteroides thetaiotaomicron heparinaseⅢand the biosynthesis of *** to traditional antibiotic-dependent expression systems,our newly constructed antibiotic-free expression systems offer considerable advantages for clinical and synthetic biology applications.

关键词： Cryptic plasmids Antibiotic-free Gene expression Plasmid stability E.coli Nissle 1917

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