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Enhanced electrochemical performance of li_(1.3)Al_(0.3)Ti_(1.7)(PO_(4))_(3) solid electrolyte by anion doping

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Nano Research 2024年第3期17卷 1465-1472页

作者： jingrui Kang Xu Guo Rui Gu Honglei Hao Yi Tang Jiahui Wang li Jin Hongfei li Xiaoyong Wei Electronic Materials Research Laboratory Key Laboratory of the Ministry of Education&International Center for Dielectric ResearchSchool of Electronic and Information EngineeringXi’an Jiaotong UniversityXi’an 710049China School of Energy and Materials Shanghai Key Laboratory of Engineering Materials Application and EvaluationShanghai Polytechnic UniversityShanghai 201209China

Nowadays,the majority of the studies on the substitution are focused on cations(such as Y^(3+),Ti^(4+),P^(5+),etc.)in li_(1.3)Al_(0.3)Ti_(1.7)(PO_(4))_(3)(LATP),while there are few studies on the substitution of anion O^(2-).In this work,the modified LATP with a series of liCl(LATPClx,x=0.1,0.2,0.3,0.4)additives is prepared to enhance ionic conductivity.The successful introduction of Cl-makes the length of the c axis decrease from 20.822(2)to 20.792(1)Å,and the bulk conductivity of 2.13×10^(-3) S·cm^(-1) is achieved in LATPCl_(0.3).Moreover,the Al/Ti-O1/Cl1 and Al/Ti-O_(2)/Cl_(2) distance decrease,while the li1-O_(2)/Cl_(2) distance increases.lithium ions migrate more easily in the nanochannel of M3-M1-M3.In addition,the liCl additive increases the relative density and the grain boundary conductivity of LATPClx compounds.Naturally,a higher ionic conductivity of 2.12×10^(–4) S·cm^(-1) and a low activation energy of 0.30 eV are obtained in LATPCl_(0.3).Correspondingly,the symmetric cell exhibits a low overpotential of±50 mV for over 200 h in LATPCl_(0.3).The solid-state li|LATPCl_(0.3)|NCM811(NCM811=liNi0.8Co0.1Mn0.1O_(2))battery exhibits high initial capacity 185.1 mAh·g^(-1) with a capacity retention rate of 95.4%after 100 cycles at 0.5 C.This result suggests that liCl additive is an effective strategy to promote electrochemical properties of LATP solid electrolyte and can be considered for reference to other inorganic solid electrolytes systems.

关键词： li_(1.3)Al_(0.3)Ti_(1.7)(PO_(4))_(3)(LATP)solid electrolyte anion doping ionic conductivity cyclic performance

Evolution of lmiRNAs and their targets from MITEs for rice adaptation

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Journal of Integrative Plant Biology 2022年第12期64卷 2411-2424页

作者： Tianxiao Huang Yan li Wei Wang Le Xu jingrui li Yijun Qi Center for Plant Biology School of Life SciencesTsinghua UniversityBeijing 100084China Tsinghua University.Peking University Joint Center for life Sciences School of Life SciencesTsinghua UniversityBeijing 100084China

Twenty-four nucleotide long microRNAs(ImiRNAs)direct DNA methylation at target genes and regulate their transcription.The evolutionary origin of ImiRNAs and the range of ImiRNA-mediated regulation remain obscure.Here,we reannotated ImiRNAs and their targets in rice by applying stringent criteria.We found that the majority of ImiRNAs are derived from Miniature Inverted-repeat Transposable Elements(MITEs)and most sites targeted by MITE-derived ImiRNAs reside within MITEs,suggesting co-evolution of ImiRNAs and their targets through MITE amplification.ImiRNAs undergo dynamically changes under stress conditions and the genes targeted by ImiRNAs show an enrichment for stress-responsive genes,suggesting that ImiRNAs are widely involved in plant responses to stresses.We constructed the evolutionary histories of ImiRNAs and their targets.Nearly half of ImiRNAs emerged before or when the AA genome was diverged,while the emergence of ImiRNA targets coincided with or followed the emergence of ImiRNAs.Furthermore,we found that the sequences of a ImiRNA target site underwent variations,coincident with the divergence of rice accessions and the distribution of rice accessions in different geographical locations and climatic conditions.Our findings highlight MITEs as an important origin of ImiRNAs and suggest that the evolution of ImiRNA-target regulatory modules may contribute to rice adaptation to environmental changes.

关键词： DNA methylation evolution miRNA stress

A simple and precise method(Y2H-in-frame-seq) improves yeast two-hybrid screening with cDNA libraries

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Journal of Genetics and Genomics 2022年第6期49卷 595-598页

作者： Yinghui Gu Guannan li Ping Wang Yan Guo jingrui li State Key Laboratory of Plant Physiology and Biochemistry College of Biological SciencesChina Agricultural UniversityBeijing 100193China

As the most powerful and widely used binary interaction assay,the yeast two-hybrid(Y2H) system has been developed for more than 30 years to improve the efficiency and quality of proteinprotein interaction(PPI) explora... 详细信息

关键词： precise interaction improve

Characteristics of the microbial communities regulate soil multi-functionality under different cover crop amendments in Ultisol

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Journal of Integrative Agriculture 2024年第6期23卷 2099-2111页

作者： Guilong li Xiaofen Chen Wenjing Qin jingrui Chen Ke Leng Luyuan Sun Ming liu Meng Wu Jianbo Fan Changxu Xu Jia liu Soil and Fertilizer&Resources and Environment Institute Jiangxi Academy of Agricultural SciencesNanchang 330200China Key Laboratory of Acidified Soil Amelioration and Utilization Ministry of Agriculture and Rural AffairsNanchang 330200China Ecological Experimental Station of Red Soil Chinese Academy of SciencesYingtan 335211China

The use of cover crops is a promising strategy for influencing the soil microbial consortium,which is essential for the delivery of multiple soil functions(i.e.,soil multifunctionality).Nonetheless,relatively little is known about the role of the soil microbial consortium in mediating soil multifunctionality under different cover crop amendments in dryland Ultisols.Here,we assessed the multifunctionality of soils subjected to four cover crop amendments(control,non-amended treatment;RD,radish monoculture;HV,hairy vetch monoculture;and RDHV,radish-hairy vetch mixture),and we investigated the contributions of soil microbial richness,network complexity,and ecological clusters to soil multifunctionality.Our results demonstrated that cover crops whose chemical composition differed from that of the main plant crop promoted higher multifunctionality,and the radish-hairy vetch mixture rendered the highest enhancement.We obtained evidence that changes in soil microbial richness and network complexity triggered by the cover crops were associated with higher soil multifunctionality.Specifically,specialized microbes in a key ecological cluster(ecological cluster 2)of the soil microbial network were particularly important for maintaining soil multifunctionality.Our results highlight the importance of cover crop-induced variations in functionally important taxa for promoting the soil multifunctionality of dryland Ultisols.

关键词： cover crops soil multifunctionality microbial richness network complexity ecological cluster

Rosmarinic acid regulates lipid accumulation through lipid metabolism and anti-inflammatory

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Food Science and Human Wellness 2024年

作者： Chunxiu lin Zhuobin li Yun Chen jingrui Luo Guo liu Chitang Ho Yong Cao Yunjiao Chen Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods College of Food Science South China Agricultural University Guangdong Laboratory for lingnan Modern Agriculture Department of Food Science Rutgers University New Brunswick

Obesity caused by poor eating habits has become a global public health issue and harms human health. Rosmarinic acid (RA) is a natural active substance with many biological functions like antioxidant. However， the function of RA’s lipid-lowering effect and mechanism are not entirely clear. This study aimed to explore the effect of RA on obesity and its action mechanism in Caenorhabditis elegans. RA not only alleviated intestinal inflammation and change the composition of unsaturated fatty acid， but also decreased fat storage and adjusted the size and quantity of fat droplets without threatening development and reproduction or affecting energy intake. In addition， RA improved the integrity of intestinal barrier function in C. elegans. RNA sequencing and qRT-PCR comprehensively revealed that the lipid-lowering mechanism mediated by RA might involve lipid metabolism and anti-inflammatory pathways. Among them， RA regulates lipid metabolism by reducing fat synthesis through SBP-1and increasing fatty acid β-oxidation via NHR-49. Furthermore， the anti-inflammatory pathway was associated with RA’s enhancement of the ratio of unsaturated fatty acid and alleviation of inflammatory reactions caused by PAO1. Therefore， RA regulated lipid metabolism and relieved inflammation， which had the potential for dietary supplements or functional foods.

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ligand Engineering in Tin-Based Perovskite Solar Cells

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Nano-Micro Letters 2023年第10期15卷 112-150页

作者： Peizhou li Xiangrong Cao jingrui li Bo Jiao Xun Hou Feng Hao Zhijun Ning Zuqiang Bian Jun Xi liming Ding Zhaoxin Wu Hua Dong Key Laboratory for Physical Electronics and Devices(MoE) Shaanxi Key Lab of Information Photonic TechniqueSchool of Electronic and Information EngineeringXi’an Jiaotong UniversityXi’an 710049People’s Republic of China Center for Excellence in Nanoscience(CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS)National Center for Nanoscience and TechnologyBeijing 100190People’s Republic of China School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731People’s Republic of China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210People’s Republic of China Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and ApplicationsCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871People’s Republic of China Collaborative Innovation Center of Extreme Optics Shanxi UniversityTaiyuan 030006People’s Republic of China

Perovskite solar cells(PSCs)have attracted aggressive attention in the photovoltaic field in light of the rapid increasing power conversion efficiency.However,their large-scale application and commercialization are limited by the toxicity issue of lead(Pb).Among all the lead-free perovskites,tin(Sn)-based perovskites have shown potential due to their low toxicity,ideal bandgap structure,high carrier mobility,and long hot carrier lifetime.Great progress of Sn-based PSCs has been realized in recent years,and the certified efficiency has now reached over 14%.Nevertheless,this record still falls far behind the theoretical calculations.This is likely due to the uncontrolled nucleation states and pronounced Sn(Ⅳ)vacancies.With insights into the methodologies resolving both issues,ligand engineering-assisted perovskite film fabrication dictates the state-of-the-art Sn-based PSCs.Herein,we summarize the role of ligand engineering during each state of film fabrication,ranging from the starting precursors to the ending fabricated bulks.The incorporation of ligands to suppress Sn~(2+)oxidation,passivate bulk defects,optimize crystal orientation,and improve stability is discussed,respectively.Finally,the remained challenges and perspectives toward advancing the performance of Sn-based PSCs are presented.We expect this review can draw a clear roadmap to facilitate Sn-based PSCs via ligand engineering.

关键词： Perovskite Solar cells Lead-free ligand engineering Defects Stability

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氧化物神经元器件及其神经网络应用

无机材料学报 2024年第4期39卷 345-358页

作者：李宗晓胡令祥王敬蕊诸葛飞中国科学院宁波材料技术与工程研究所宁波315201 宁波工程学院电子与信息工程学院宁波315211 中国科学院脑科学与智能技术卓越创新中心上海200031 中国科学院大学材料与光电研究中心北京100029 浙江大学温州研究院温州325006

目前,人工智能在人类社会发挥着越来越重要的作用,以深度学习为代表的人工智能算法对硬件算力的要求也越来越高。然而随着摩尔定律逼近极限,传统冯·诺依曼计算架构越来越难以满足硬件算力提升的迫切需求。受人脑启发的新型神经形态计... 详细信息

目前,人工智能在人类社会发挥着越来越重要的作用,以深度学习为代表的人工智能算法对硬件算力的要求也越来越高。然而随着摩尔定律逼近极限,传统冯·诺依曼计算架构越来越难以满足硬件算力提升的迫切需求。受人脑启发的新型神经形态计算采用数据处理与存储一体架构,有望为开发低能耗、高算力的新型人工智能技术提供重要的硬件基础。人工神经元和人工突触作为神经形态计算系统的核心组成部分,是当前研究的前沿和热点。本文聚焦氧化物人工神经元,从神经元数学模型出发,重点介绍了基于氧化物电子器件的霍奇金–赫胥黎神经元、泄漏–累积–发射神经元和振荡神经元的最新研究进展,系统分析了器件结构、工作机制对神经元功能模拟的影响规律。进一步,根据不同尖峰发射动态行为,阐述了基于氧化物神经元硬件的脉冲神经网络和振荡神经网络的研究进展。最后,讨论了氧化物神经元在器件、阵列、神经网络等层面面临的挑战,并展望了其在神经形态计算等领域的发展前景。

关键词：氧化物神经元器件类脑计算神经形态计算人工神经网络综述

An expression atlas of miRNAs in Arabidopsis thaliana

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Science China(life Sciences) 2018年第2期61卷 178-189页

作者： Le Xu Yugang Hu Ying Cao jingrui li ligeng Ma Yan li Yijun Qi Center for Plant Biology School of Life Sciences Tsinghua University Beijing 100084 China Tsinghua-Peking Center for life Sciences Beijing 100084 China College of Biologieal Sciences China Agricultural University Beijing 100094 China College of life Sciences-Beijing Key Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement Capital Normal University Beijing 100048 China

MicroRNAs(miRNAs) are small non-coding RNAs that regulate a variety of biological processes. miRNA expression often exhibits spatial and temporal specificity. However, genome-wide miRNA expression patterns in different organs during development of Arabidopsis thaliana have not yet been systemically investigated. In this study, we sequenced small RNA libraries generated from 27 different organ/tissue types, which cover the entire life cycle of Arabidopsis. Analysis of the sequencing data revealed that most miRNAs are ubiquitously expressed, whereas a small set of miRNAs display highly specific expression patterns. In addition, different miRNA members within the same family have distinct spatial and temporal expression patterns. Moreover, we found that some miRNAs are produced from different arms of their hairpin precursors at different developmental stages. This work provides new insights into the regulation of miRNA biogenesis and a rich resource for future investigation of miRNA functions in Arabidopsis.

关键词： Arabidopsis miRNAs 地图集生物过程织物类型生命周期表示模非编码

敲低线粒体转录因子A(TFAM)抑制人宫颈癌细胞及骨肉瘤细胞自噬及增殖、侵袭和迁移

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细胞与分子免疫学杂志 2024年第4期40卷 311-318页

作者：许颖高榴杨靖瑞汪晶蒋旭禹莉蚌埠医科大学检验医学院肿瘤基础研究与临床检验诊断重点实验室安徽蚌埠233030 蚌埠医科大学临床医学院安徽蚌埠233030 蚌埠医科大学临床检验诊断学教研室安徽蚌埠233030 蚌埠医科大学输血学教研室安徽蚌埠233030

目的研究线粒体转录因子A(TFAM)对宫颈癌HeLa细胞及骨肉瘤U2OS细胞的线粒体功能、自噬、增殖、侵袭、迁移的影响。方法HeLa、U2OS细胞转染TFAM小干扰片段(si-TFAM)下调TFAM表达,Mito-Tracker Red CMXRos染色结合激光共聚焦显微镜检测线... 详细信息

目的研究线粒体转录因子A(TFAM)对宫颈癌HeLa细胞及骨肉瘤U2OS细胞的线粒体功能、自噬、增殖、侵袭、迁移的影响。方法HeLa、U2OS细胞转染TFAM小干扰片段(si-TFAM)下调TFAM表达,Mito-Tracker Red CMXRos染色结合激光共聚焦显微镜检测线粒体膜电位(MMP)、MitoSOX^(TM)Red标记法检测线粒体活性氧(mtROS)水平、实时定量PCR检测线粒体DNA(mtDNA)的表达,免疫荧光细胞化学染色检测自噬体数量的变化。Western blot法检测TFAM、微管相关蛋白1轻链3A/B(LC3A/B)、自噬相关基因2A(ATG2A)、ATG2B、ATG9A、锌指转录因子Snail、基质金属蛋白酶2(MMP2)和MMP9的表达。CCK-8法、平板集落形成实验检测细胞增殖,Transwell^(TM)实验、划痕愈合实验检测细胞侵袭、迁移的变化。结果下调TFAM表达导致HeLa及U2OS细胞MMP减少,mtDNA拷贝数减少,mtROS产生量增加。LC3A/B蛋白含量较对照组明显下降,胞质内自噬体数量明显减少,自噬早期阶段蛋白ATG2B、ATG9A表达量明显减少。HeLa及U2OS细胞Snail、MMP2和MMP9蛋白表达均减少。干扰TFAM表达,抑制HeLa及U2OS细胞的增殖、侵袭、迁移能力。结论下调TFAM表达抑制线粒体功能,延缓自噬进程,降低宫颈癌细胞及骨肉瘤细胞的增殖、侵袭、迁移能力。

关键词：宫颈癌细胞骨肉瘤细胞线粒体转录因子A(TFAM) 自噬侵袭迁移