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Mojiangia oreophila(Crepidinae,Cichorieae,Asteraceae),a new species and genus from Mojiang County,SW Yunnan,China,and putative successor of the maternal Faberia ancestor

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Plant Diversity 2022年第1期44卷 83-93页

作者： Zhi-Jian Yin ze-huan wang Norbert Kilian Ying Liu Hua Peng Ming-Xu Zhao China Forest Exploration and Design Institute in Kunming Kunming650200YunnanChina Department of Medicinal Plants and Cultivation College of PharmacyGuizhou University of Traditional Chinese MedicineGuiyang550025China Botanischer Garten und Botanisches Museum Berlin Freie Universitat BerlinKonigin-Luise-Str.6-814195BerlinGermany CAS State Key Laboratory ofBiocontrol and Guangdong Key Laboratory of Plant Resources School of Life SciencesSun Yat-sen UniversityGuangzhou510275China Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming650201China

A single small population of chasmophytic plants is described as Mojiangia oreophila,a monotypic genus in the subtribe Crepidinae,characterised by a unique combination of morphological features,in particular densely long-papillose homomorphic achenes with five main ribs each accompanied by two secondary ribs,coarse brownish pappus bristles,moderately many-flowered capitula,a small involucre with numerous outer phyllaries,perennial rosette herb growth and brown-woolly caudex and leaf *** phylogenetic analysis detected that in the nrlTS phylogeny *** forms a clade of its own in the Crepidinae;in the plastid DNA phylogeny it is nested in the clade formed by the hybrid-ogenous genus Faberia,the maternal ancestor of which comes from the Crepidinae and the paternal ancestor from the Lactucinae,where Faberia is placed in nrlTS *** shares several morphological features with Faberia and also shares the expected chromosome number of 2n=16 with its hitherto unknown maternal *** may therefore be a successor of the maternal ancestor of ***,cytonuclear discordance is to be assumed in Mojiangia,caused by chloroplast capture as a result of hybridisation and introgression with Faberia.

关键词： Asteraceae Crepidinae Phylogeny Taxonomy Reticulate evolution Cytonuclear discordance

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Lysimachia septemfida(Primulaceae),a new species from Yunnan,China

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Plant Diversity 2016年第4期38卷 201-206页

作者： ze-huan wang Xi-wen Li En-de Liu Fa-zhi Shangguan Xue-ke Chang Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of Sciences Nanjian Administration Bureau of Wuliangshan National Nature Reserve

A new species, Lysimachia septemfida(Primulaceae), from Yunnan(Southwest China) is described and illustrated. The new species exhibits several unusual characters in Lysimachia including lack of a corolla,7-merous flowers, leaves in whorls of 3 and distinct multicellular nodiferous hairs, which make it readily distinguishable from all other species in this genus. The diagnostic differences between this new species and its suppositive allies are given. In addition, the systematic placement of this new species is also discussed based on an ITS molecular tree.

关键词： Lysimachia septemfida Lysimachia New species Primulaceae Wunnan China

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Dual modulation of homogeneous nanomaterialization and electrochemical activation enhancing zinc ion storage

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Science China Chemistry 2025年第1期68卷 385-393页

作者： Jianwei wang huan wang Kangning wang Wenhui wang Wenlin Zhang Yanzhong Zhen School of Chemistry & Chemical Engineering Yan'an University

Vanadium-based electrode materials are widely investigated,but the low specific capacity and slow electrochemical kinetics in aqueous zinc-ion batteries still limit their commercial ***,the VS2/Ca V4O9material with the morphology of nanoflower was synthesized by a one-step hydrothermal *** to the blocky structure of pure VS2material,the VS2/Ca V4O9material is composed of thinner homogeneous *** open structures could provide abundant electrochemical active sites and ion transport channels,and then promote the electrochemical reaction *** addition,they can also buffer the bulk strain during the reaction *** improve the utilization of vanadium elements,an in-situ electrochemical activation strategy is used to explore the storage performance of the VS2/Ca V4O9material,the different activation voltage range of 0.4–1.6 and 0.4–1.4 V are selected,*** with the longer activation plateau of activated-VS2,the VS2/Ca V4O9cathode could quickly reach the activation state in the range of 1.4–1.6 V and cause the release of additional Zn storage sites *** VS2/Ca V4O9cathode delivers a higher power density of 37,000 W kg-1and a significant energy density of 423 Wh *** the high current density of 15 A g-1,the VS2/Ca V4O9cathode still has a discharge capacity of 183.9m Ah g-1after 5,000 cycles,and the capacity decay rate per cycle is only 0.0042%.Continuous cyclic voltammetry （CV） curves,electrochemical impedance spectroscopy （EIS） measurements,density functional theory （DFT） calculation and galvanostatic intermittent titration technique （GITT） measurements demonstrate that the VS2/Ca V4O9cathode has a faster ion diffusion/charge transfer ***,the assembled flexible device has an excellent mechanical stability.

关键词： dual modulation homogeneous nanomaterialization electrochemical activation zinc ion storage

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First observation results of Macao Science Satellite-1 on lightning-induced electron precipitation

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Science China Earth Sciences 2025年第1期68卷 1-10页

作者： Yongping wang Yixin SUN Qiugang ZONG Gaopeng LU Xudong GU ze-Jun HU Bin LI Key Laboratory for Polar Science Ministry of Natural Resources Polar Research Institute of China Institute of Space Physics and Applied Technology Peking University State Key Laboratory of Lunar and Planetary Science Macau University of Science and Technology School of Earth and Space Sciences University of Science and Technology of China School of Electronic Information Wuhan University

The Medium-energy Electron Spectrometers(MES) is a space-borne instrument onboard Macao Science Satellite-1(MSS-1) dedicated to monitoring the typical charged particle radiation characteristics in the satellite orbit and the process of their occurrence and development, including short bursts of lightning-induced electron precipitation(LEP).This paper presents the first results of the LEP measurements by the MSS-1.47 LEP events are identified with the routine operation for 3 months since satellite launch, all within the range of 1.5

关键词： Lightning-induced electron precipitation Inner radiation belts Energetic electrons Macao Science Satellite-1

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MXene Hybridized Polymer with Enhanced Electromagnetic Energy Harvest for Sensitized Microwave Actuation and Self‑Powered Motion Sensing

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Nano-Micro Letters 2025年第3期17卷 265-279页

作者： Yu‑ze wang Yu‑Chang wang Ting‑Ting Liu Quan‑Liang Zhao Chen‑Sha Li Mao‑Sheng Cao School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081People’s Republic of China School of Materials Science and Engineering Peking UniversityBeijing 100871People’s Republic of China School of Mechanical and Material Engineering North China University of TechnologyBeijing 100144People’s Republic of China Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People’s Republic of ChinaHeilongjiang UniversityHarbin 150080People’s Republic of China

Polymeric microwave actuators combining tissue-like softness with programmablemicrowave-responsive deformation hold great promise for mobile intelligentdevices and bionic soft robots. However, their application is challenged by restricted electromagneticsensitivity and intricate sensing coupling. In this study, a sensitized polymericmicrowave actuator is fabricated by hybridizing a liquid crystal polymer with Ti3C2Tx(MXene). Compared to the initial counterpart, the hybrid polymer exhibits unique spacechargepolarization and interfacial polarization, resulting in significant improvements of230% in the dielectric loss factor and 830% in the apparent efficiency of electromagneticenergy harvest. The sensitized microwave actuation demonstrates as the shortenedresponse time of nearly 10 s, which is merely 13% of that for the initial shape memory polymer. Moreover, the ultra-low content of MXene (upto 0.15 wt%) benefits for maintaining the actuation potential of the hybrid polymer. An innovative self-powered sensing prototype that combinesdriving and piezoelectric polymers is developed, which generates real-time electric potential feedback (open-circuit potential of ~ 3 mV) duringactuation. The polarization-dominant energy conversion mechanism observed in the MXene-polymer hybrid structure furnishes a new approachfor developing efficient electromagnetic dissipative structures and shows potential for advancing polymeric electromagnetic intelligent devices.

关键词： Microwave absorption Electromagnetic response Energy harvest Self-sensing Soft actuator

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Deep learning identification of novel autophagic protein-protein interactions and experimental validation of Beclin 2-Ubiquilin 1 axis in triple-negative breast cancer

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Oncology Research 2025年第1期33卷 67-81页

作者： XIANG LI WENKE JIN LIFENG WU huan wang XIN XIE WEI huanG BO LIU State Key Laboratory of Southwestern Chinese Medicine Resources School of Pharmacy and College of Medical TechnologyChengdu University of Traditional Chinese MedicineChengdu611137China Department of Biotherapy Cancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengdu610041China

Background:Triple-negative breast cancer(TNBC),characterized by its lack of traditional hormone receptors and HER2,presents a significant challenge in oncology due to its poor response to conventional *** is an important process for maintaining cellular homeostasis,and there are currently autophagy biomarkers that play an effective role in the clinical treatment of *** contrast to targeting protein activity,intervention with proteinprotein interaction(PPI)can avoid unrelated crosstalk and regulate the autophagy process with minimal interference ***:Here,we employed Naive Bayes,Decision Tree,and k-Nearest Neighbors to elucidate the complex PPI network associated with autophagy in TNBC,aiming to uncover novel therapeutic ***,the candidate proteins interacting with Beclin 2 were initially screened in MDA-MB-231 cells using Beclin 2 as bait protein by immunoprecipitation-mass spectrometry assay,and the interaction relationship was verified by molecular docking and CO-IP experiments after *** formation,cellular immunofluorescence,cell scratch and 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT)tests were used to predict the clinical therapeutic effects of manipulating candidate ***:By developing three PPI classification models and analyzing over 13,000 datasets,we identified 3733 previously unknown autophagy-related *** network analysis revealed the central role of Beclin 2 in autophagy regulation,uncovering its interactions with 39 newly identified ***,the CO-IP studies identified the substantial interaction between Beclin 2 and Ubiquilin 1,which was anticipated by our model and discovered in immunoprecipitation-mass spectrometry assay ***,in vitro investigations showed that overexpressing Beclin 2 increased Ubiquilin 1,promoted autophagy-dependent cell death,and inhibited proliferation and metastasis in MDA-MB-231 ***:This study not

关键词： Triple-negative breast cancer(TNBC) Autophagy Protein-protein interactions(PPI) Artificial intelligence(AI) Beclin 2 Ubiquilin 1

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Modeling and control of a rigid-flexible coupling robot for narrow space manipulations

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Science China Technological Sciences 2025年

作者： Kuangda CHEN huan ZHAO Jiexin ZHANG Mei FENG Yiwei wang Jinliang wang Han DING State Key Laboratory of Intelligent Manufacturing Equipment and Technology Huazhong University of Science and Technology Key Laboratory of CNC Equipment Reliability Ministry of Education Jilin University School of Medical Equipment Science and Engineering Huazhong University of Science and Technology

Narrow space manipulations are crucial for equipment maintenance, as they eliminate the need for disassembly, thus reducing costs and increasing efficiency. Cable-driven flexible robots possess exceptional capabilities in maneuvering through narrow spaces, thanks to their interaction compliance and distal dexterity. However, their inherent low stiffness causes a decline in the location accuracy of the robot and could even lead to manipulation failure. To address this challenge, this paper proposes a novel type of rigid-flexible coupling robot, which increases the stiffness of the robot while ensuring the reachability within a narrow space. To achieve high-accuracy location in a narrow space, kinematic and control methods are proposed. Specifically,the robot forward kinematics are uniformly represented, and the closed-form inverse kinematics solution is derived. Furthermore, in cases where the robot?s structure fails to align with Pieper?s solution, a two-stage search strategy is utilized to solve the inverse kinematics, resulting in a high success rate of 99.1%. Based on the proposed kinematics, a rigid-dominated control method is then proposed to facilitate localization and pose alignment of target objects in narrow spaces. The practical comparative experiments show that the proposed robot has the capability of high accuracy control in narrow spaces.

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设计参数对施工过程中环形索桁结构的力学性能影响分析

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建筑技术 2017年第11期48卷 1139-1142页

作者：刘鹏飞刘占省王泽强王欢欢中国核电工程有限公司北京100840 北京工业大学北京100124 北京市建筑工程研究院有限责任公司北京100036

基于参数化的性能设计,进行了结构边界条件、拉索类型、索初始高度等参数的变化对吊索施工过程中结构力学性能的影响分析研究。结果表明:边界条件选取的不同对结构的力学性能有较大影响;拉索类型的选取对结构的受力也有一定的影响;吊索... 详细信息

基于参数化的性能设计,进行了结构边界条件、拉索类型、索初始高度等参数的变化对吊索施工过程中结构力学性能的影响分析研究。结果表明:边界条件选取的不同对结构的力学性能有较大影响;拉索类型的选取对结构的受力也有一定的影响;吊索边界高度越高,结构受力越趋向合理,但也受建筑设计要求高度的限制。

关键词：环形索桁结构主要参数力学性能

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Identification of a dual functional betulinic acid analog for the treatment of osteoarthritis by phenotypic screening

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Science China Life Sciences 2025年第1期68卷 300-302页

作者： ze-Min Lin Mai Xiang Wen-Hui Wei Shu-Hui Fan Li Chen Jie wang Xiao-Qian Yang Chun-Hao Yang Shi-Jun He Jian-Ping Zuo Laboratory of Immunopharmacology State Key Laboratory of Drug ResearchShanghai Institute of Materia MedicaChinese Academy of Sciences School of Pharmacy University of Chinese Academy of Sciences School of Pharmacy Nanjing University of Chinese Medicine State Key Laboratory of Drug Research Department of Medicinal ChemistryShanghai Institute of Materia MedicaChinese Academy of Sciences Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine Experiment Center for Science and Technology Shanghai University of Traditional Chinese Medicine

Dear Editor, Phenotypic drug discovery, which observes compound effects on physiology,has given way to targeting specific molecules, but has revived by using modern methods to find drugs based on therapeutic outcomes in disease models(Vincent et al., 2022). Osteoarthritis(OA) is a prevalent chronic joint disorder, primarily affecting knee joints, with osteoclast activation due to low-grade inflammation resulting in increased bone resorption and structural changes in the joint(Katz et al.,2021).

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几种海洋硬骨鱼类快、慢肌的化学组分差异分析

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渔业科学进展 2025年第1期46卷 59-70页

作者：王焕柳淑芳海水养殖生物育种与可持续产出全国重点实验室中国水产科学研究院黄海水产研究所山东青岛266071 青岛海洋科技中心海洋渔业科学与食物产出过程功能实验室山东青岛266237

硬骨鱼类的骨骼肌根据收缩特征主要分为快肌和慢肌,分别支撑爆发性和持续性游泳。为认识这2种骨骼肌的化学组分特征,解析快、慢肌功能差异的物质基础,本研究整合3类不同游泳习性鱼类:黄带拟鲹(Pseudocaranx dentex)、梭鱼(Liza haematoc... 详细信息

硬骨鱼类的骨骼肌根据收缩特征主要分为快肌和慢肌,分别支撑爆发性和持续性游泳。为认识这2种骨骼肌的化学组分特征,解析快、慢肌功能差异的物质基础,本研究整合3类不同游泳习性鱼类:黄带拟鲹(Pseudocaranx dentex)、梭鱼(Liza haematocheila)和金枪鱼类,通过自测结合文献资料,比较了快、慢肌在蛋白质、氨基酸、脂肪、脂肪酸及矿物元素等化学组分特征方面的差异。结果显示,快肌的粗蛋白及12种氨基酸含量更为丰富,其中尤以组氨酸含量差异最大(快肌为慢肌的1.22~3.83倍);快、慢肌的主要氨基酸组成相似,必需氨基酸含量均占氨基酸总量的40%左右,谷氨酸和天冬氨酸是含量最丰富的2种氨基酸类型,赖氨酸和亮氨酸是含量最高的2种必需氨基酸;慢肌的粗脂肪及每种脂肪酸的含量均显著高于快肌;在脂肪酸组成方面,慢肌中饱和脂肪酸(saturated fatty acid,SFA)的比例较快肌高,而快肌中的多不饱和脂肪酸(polyunsaturated fatty acid,PUFA)比例则比慢肌高;慢肌含有更为丰富的微量元素铁(Fe)和锌(Zn)。结果表明,海洋硬骨鱼类的快肌和慢肌在蛋白质、氨基酸、脂肪、脂肪酸及矿物元素组成方面存在较大的差异,这些差异为其分别支撑爆发性游泳运动和持续性游泳运动提供了一定的物质基础。

关键词：海洋硬骨鱼类快肌慢肌化学成分特征

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