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Unraveling high efficiency multi-step sodium storage and bidirectional redox kinetics synergy mechanism of cobalt-doping vanadium disulfide anode

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Journal of Energy Chemistry 2024年第7期94卷 148-157页

作者： Enzhi Li Mingshan Wang yuanlong feng Lin Yang Qian Li Zhenliang Yang Junchen Chen Bo Yu Bingshu Guo Zhiyuan Ma Yun Huang Jiangtao Liu Xing Li School of New Energy and Materials Southwest Petroleum UniversityChengdu 610500SichuanChina Institute of Materials China Academy of Engineering PhysicsMianyang 621908SichuanChina State Key Laboratory of Advanced Chemical Power Sources Guizhou Meiling Power Sources Co.Ltd.Zunyi 563003GuizhouChina school of Chemistry and Chemical Engineering Harbin Institute of TechnologyHarbin 150001HeilongjiangChina

Sodium-based storage devices based on conversion-type metal sulfide anodes have attracted great atten-tion due to their multivalent ion redox reaction ***,they also suffer from sodium polysul-fides(NaPSs)shuttling problems during the sluggish Na^(+) redox process,leading to"voltage failure"and rapid capacity ***,a metal cobalt-doping vanadium disulfide(Co-VS_(2))is proposed to simulta-neously accelerate the electrochemical reaction of VS_(2) and enhance the bidirectional redox of soluble *** is found that the strong adsorption of NaPSs by V-Co alloy nanoparticles formed in situ during the conversion reaction of Co-VS_(2) can effectively inhibit the dissolution and shuttle of NaPSs,and ther-modynamically reduce the formation energy barrier of the reaction path to effectively drive the complete conversion reaction,while the metal transition of Co elements enhances reconversion kinetics to achieve high ***,Co-VS_(2) also produce abundant sulfur vacancies and unsaturated sulfur edge defects,significantly improve ionic/electron diffusion ***,the Co-VS_(2) anode exhibits ultrahigh rate capability(562 mA h g^(-1) at 5 A g^(-1)),high initial coulombic efficiency(~90%)and 12,000 ultralong cycle life with capacity retention of 90%in sodium-ion batteries(SIBs),as well as impressive energy/power density(118 Wh kg^(-1)/31,250 W kg^(-1))and over 10.000 stable cycles in sodium-ion hybrid capacitors(SIHCs).Moreover,the pouch cell-type SIHC displays a high-energy density of 102 Wh kg^(-1) and exceed 600 stable *** work deepens the understanding of the electrochemical reaction mechanism of conversion-type metal sulfide anodes and provides a valuable solution to the shuttlingofNaPSs inSIBsandSIHCs.

关键词： Sodium-ionbatteries Sodium-ion hybrid capacitors Pouch cells Vanadium disulfide Shuttle effect

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质量兴农背景下我国农产品直播营销优化策略

南方农业 2021年第10期15卷 25-28页

作者：冯原胧马松林河南工业大学经济贸易学院河南郑州450001

在新时代互联网高速发展之下,农产品直播营销模式得以快速崛起。结合质量兴农背景,介绍了我国农产品直播营销模式的发展现状,分析了其在供应链、产业链、价值链等方面存在的问题,最后提出了优化农产品直播营销模式的4个对策:强化市场监... 详细信息

在新时代互联网高速发展之下,农产品直播营销模式得以快速崛起。结合质量兴农背景,介绍了我国农产品直播营销模式的发展现状,分析了其在供应链、产业链、价值链等方面存在的问题,最后提出了优化农产品直播营销模式的4个对策:强化市场监管力度,培养高质量直播人才,注重农产品品牌建设,完善农产品物流体系。

关键词：农产品直播营销质量兴农优化策略

The role of telomere-binding modulators in pluripotent stem cells

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Protein & Cell 2020年第1期11卷 60-70页

作者： feng Li yuanlong Ge Dan Liu Zhou Songyang State Key Laboratory of Oncology in South China Cancer CenterCollaborative Innovation Center for Cancer Medicineand Key Laboratory of Gene Engineering of the Ministry of EducationSchool of Life SciencesSun Yat-sen UniversityGuangzhou 510275China Verna and Marrs Department of Biochemistry and Molecular Biology Baylor College of MedicineOne Baylor PlazaHoustonTX 77030USA

Pluripotent stem cells(PSCs)such as embryonic stem cells(ESCs),ESCs derived by somatic cell nuclear transfer(ntESCs),and induced pluripotent stem cells(iPSCs)have unlimited capacity for self-renewal and pluripotency and can give rise to all types of somatic *** order to maintain their self-renewal and pluripotency,PSCs need to preserve their telomere length and *** recent years,increasing studies have shown that telomere reprogramming is essential for stem cell pluripotency maintenance and its induced pluripotency ***-associated proteins are not only required for telomere maintenance in both stem cells,their extra-telomeric functions have also been found to be critical as ***,we will discuss how telomeres and telomere-associated factors participate and regulate the maintenance of stem cell pluripotency.

关键词： telomere pluripotent stem cells telomerase ALT shelterin/telosome complex

Comprehensive Characterization of miRNA and PHAS Loci in the Diploid Strawberry(Fragaria vesca) Genome

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Horticultural Plant Journal 2019年第6期5卷 255-267页

作者： Lei feng Rui Xia yuanlong Liu State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources South China Agricultural UniversityGuangzhou 510642China Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China Ministry of AgricultureSouth China Agricultural UniversityGuangzhou 510642China Guangdong Litchi Engineering Research Center College of HorticultureSouth China Agricultural UniversityGuangzhou 510642China

Small RNAs(sRNAs) are vital regulators of gene expression and involved in various biological processes. Among them, micro RNAs(mi RNAs) and phased small interfering RNAs(phasi RNAs) have been well defined and studied in the past decades. A bunch of scripts or pipelines were developed to annotate mi RNAs and phasi RNAs. However, some computational annotations are rough and without careful manual check,resulting in low quality annotation. In this study, 19 public strawberry(Fragaria vesca) s RNA sequencing data from nine different tissues were collected to annotate mi RNAs and PHAS loci in F. vesca. After bioinformatics analysis and careful manual checking, 167 known mi RNAs, 27 mi RNA*s with notable abundance, 54 novel mi RNAs were accurately annotated. The terms of two mi RNAs were corrected from mi R477 b and mi R5225 using mi RN47 and mi R3627 h, respectively. Besides 21 nucleotides(nt) mi R390, eleven mi RNAs with a length of 22-nt are in charge of triggering the biogenesis of 21-nt phasi RNAs from 110 PHAS loci in strawberry. In particular, we found several PHAS loci were targeted by two different mi RNAs(similar to the "two-hit" model) and the phasi RNA generating region located between two target sites. We speculate that one target site is in control of triggering phasi RNA biogenesis and the other target site define the boundary of the region of phasi RNA biogenesis,which likely provide an accurate way for phasi RNA generation. Overall, we provided a comprehensive and accurate annotation of mi RNAs and PHAS loci in the F. vesca genome.

关键词： Fragaria vesca miRNA PHAS loci annotation phasiRNA biogenesis model

Influences of Some Impurities on the Optical Transparency of Doped Bismuth Germanate Crystals

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Chinese Physics Letters 1991年第5期8卷 248-250页

作者： HU Guanqin feng Xiqi HUA Sukun ZHAO yuanlong Shanghai Institute of Ceramics Academia SinicaShanghai 201080

Optical microscopy,optical transmission spectra,sweep electron microscope,electron microprobe analysis *** used to study the appearance and machanism of formation of the defects caused by impurities which seriously affect the optical transparency of doped bismuth *** methods of improving the optical transparency were also discussed.

关键词： transparency microprobe bismuth

New Bradoriid Arthropods from the Early Cambrian Balang Formation of Eastern Guizhou, South China

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Acta Geologica Sinica(English Edition) 2010年第1期84卷 56-68页

作者： PENG Jin feng Hongzhen FU Xiaoping ZHAO yuanlong YAO Lu College of Earth Science and Engineering Nanjing University Nanjing Jiangsu 210093 China College of Resource and Environment Engineering Guizhou University Guiyang Guizhou 550003 China State Key Laboratory Palaeobiology and Stratigraphy （NIGP CAS） Nanjing Jiangsu 210008 China Paleontological Museum ofShenzhen Xianhu Botanical Garden Shenzhen 5180004 China.

The Early Cambrian Balang Formation is comprised of mudrock and shale, which was deposited in a shelf environment in the eastern part of Guizhou, south China. The Balang Fauna, which consists of seven phyla, occurs in the middle and upper parts of the Balang Formation. Arthropods are important constituents of the Balang Fauna and include a great number of trilobites, large bivalved arthropods, and newly-discovered well-preserved bradoriid fossils. The bradoriids present include three genera and four species ： Comptaluta inflata （Cheng, 1974） emend Hou et al., 2002; Comptaluta kailiensis sp. nov., and Alutella elongeta sp. nov, Aluta sp. This faunal assemblage in the Balang Formation is distinguished from the Tsunyiella Chang, 1964, Songlinella Yin, 1978 and Kunmingella Hou, 1956 assemblage which occurs in the Niutitang and Mingxinsi formations of the Yangtze Platform in middle region of Guizhou and which is earlier than the Balang Formation in age. However, this assemblage resembles the Comptaluta Opik, 1968 assemblage from the Early Cambrian Heilinpu Formation in Wuding County, Yuanan Province and from the Ordian Stage of the Cambrian of Australia. The great abundance of Comptaluta Opik, 1968 and overall taxonomic diversity of the Comptaluta Opik, 1968 assemblage set it distinctly apart from theAlutella Kobayashi et Kato, 1951 and Aluta Hou, 1956 assemblages of the Balang Formation. Alutella Kobayashi et Kato, 1951 and Aluta Hou, 1956 also occur in the Early Cambrian Niutitang Formation of the Yangtze Platform of Guizhou. Individual Bradoriids from the Balang Formation are characterized by large size （〉3 mm）. The discovery of new Bradoriid assemblages not only expands the group＇s geographical range and assemblage affinities, but also indicates that Bradoriids migrated eastward from shallow-water to deeper-water environments during the Early Cambrian, indicating that they were capable of life in deeper-water, and adaptation to a new ecological setting.

关键词： Bradoriids Balang Formation Early Cambrian Guizhou China

CH_(3)I sensing using yttrium single atom-doped perovskite nanocrystals

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Nano Research 2023年第7期16卷 10429-10435页

作者： Xiaowei feng yuanlong Qin Rui Sui Guo Wang Xinyu Zhang Xinyu Liu Jiajing Pei Di Liu Zhengbo Chen Department of Chemistry Capital Normal UniversityBeijing 100048China Department of Chemistry Tsinghua UniversityBeijing 100084China Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of ScienceBeijing 100029China

Nanocrystals(NCs)of cesium lead halide perovskites are optically unstable,which prevents their use in optical *** combination of perovskite NCs and metal single atoms(SAs)may be a good solution to this ***,depositing metal SAs on perovskite NCs remains a challenge due to relative weak metal-halide ***,we present that,via a photo assisted method using cesium lead halide perovskite NCs as host material to anchor Y single atoms,we successfully synthesize Y SA anchored CsPbBr_(3)NCs(Y-SA/CsPbBr_(3)NCs)with outstanding fluorescence stability through the formation of two Y-O bonds and two Y-Br *** comparison to bare CsPbBr_(3)NCs,Y-SA/CsPbBr_(3)NCs possess more stable optical *** as-synthesized Y-SA/CsPbBr_(3)NCs can be employed as a colorimetric platform to perform rapid CH_(3)I *** limit of 0.044 ppm is exhibited in this approach with excellent anti-interference *** YSA/CsPbBr_(3)NCs-based system has been applied to the detection of CH_(3)I in sweet potato samples with satisfying results.

关键词： cesium lead halide perovskites Y single atoms fluorescence stability CH_(3)I sensing

Confining TiO_2 Nanotubes in PECVD-Enabled Graphene Capsules Toward Ultrafast K-Ion Storage: In Situ TEM/XRD Study and DFT Analysis

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Nano-Micro Letters 2020年第9期12卷 310-323页

作者： Jingsheng Cai Ran Cai Zhongti Sun Xiangguo Wang Nan Wei feng Xu yuanlong Shao Peng Gao Shixue Dou Jingyu Sun College of Energy Soochow Institute for Energy and Materials InnovationS(SIEMIS)Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceSoochow UniversitySuzhou 215006JiangsuPeople’s Republic of China SEU‑FEI Nano‑Pico Center Key Laboratory of MEMS of Ministry of EducationSoutheast UniversityNanjing 210096People’s Republic of China Beijing Graphene Institute(BGI) Beijing 100095People’s Republic of China Electron Microscopy Laboratory International Centre for Quantum MaterialsSchool of PhysicsPeking UniversityBeijing 100871People’s Republic of China Institute for Superconducting and Electronic Materials University of WollongongWollongongNSW 2522Australia

Titanium dioxide(TiO2) has gained burgeoning attention for potassium-ion storage because of its large theoretical capacity,wide availability,and environmental ***,the inherently poor conductivity gives rise to its sluggish reaction kinetics and inferior rate ***,we report the direct graphene growth over TiO2 nanotubes by virtue of chemical vapor *** conformal graphene coatings effectively enhance the conductive environment and well accommodate the volume change of TiO2 upon potassiation/*** paired with an activated carbon cathode,the graphene-armored TiO2 nanotubes allow the potassium-ion hybrid capacitor full cells to harvest an energy/power density of 81.2 Wh kg-1/3746.6 W *** further employ in situ transmis sion electron microscopy and ope rando X-ray diffraction to probe the potassium-ion storage *** work offers a viable and versatile solution to the anode design and in situ probing of potassium storage technologies that is readily promising for practical applications.

关键词： TiO2 Potassium storage In situ TEM Plasma-enhanced CVD Graphene

Correction to:Inhibition of p53 and/or AKT as a new therapeutic approach specifically targeting ALT cancers

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Protein & Cell 2019年第11期10卷 927-928页

作者： yuanlong Ge Shu Wu Zepeng Zhang Xiaocui Li feng Li Siyu Yan Haiying Liu Junjiu Huang Yong Zhao MOE Key Laboratory of Gene Function and Regulation State Key Laboratory of BiocontrolSchool of Life SciencesSun Yat-sen UniversityGuangzhou 510006China Collaborative Innovation Center of High Performance Computing National University of Defense TechnologyChangsha 410073China

Figure *** is phosphorylated in p53>dependent manner in ALT cells.(A)Western blot determination of total and phosphorylated AKT(S473)in p53-positive(VA13,U20S)and p53-defective(SAOS2,SKLU-1)ALT cells.(B)Knockdown of p53 in U20S or moderate expression of p53 in SAOS2 induces down or up-regulation of p-AKT,respectively.(C)Knockdown of ATM or ATR by siRNA decreases abundance of p53,phosphorylated p53 and p-AKT.(D)Quantitative-PCR determination of the level of ATR or ATM in U20S cells transfected with siRNA to ATR or ATM,*** siRNA(Si-Ctl)was used as *** represent the mean±SEM,n=3-4.(E)ATM(KU60019)or ATR(VE-821)inhibitor decreases abundance of p-AKT in U20S cells.U20S cells were treated with indicated concentration of KU60019 or VE-821 for 24 h.(F)The expression of wt-p53,but not mutant p53(p53-s269e)defective of transcription activity,increases the level of p-AKT.(G)*** inhibitor of p53 transcription activity,suppresses the phosphorylation of AKT.U20S cells were treated with indicated concentration of PFTa for 24 h.

关键词： AKT ALT DNA damage apoptosis p53 telomeres