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Highly crystallization-induced emissive luminophores with mechanoluminescent features for two-photon harvesting fluorescence imaging and latent f.ngerprint identification

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nano Research 2024年第7期17卷 6475-6482页

作者： Jian Lu Juan gao Rui-Xuan Qian Shuai-Hua Wang fa-Kun Zheng Guo-cong Guo fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou 350108China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China

fluorescence imaging can be employed in fields of medical treatment,astronomical exploration,and national def.nse *** fluorescence imaging often takes the single-photon techniques,which is vulnerable to background interference and ***,two-photon fluorescence imaging can achieve much higher-resolution fluorescence imaging for reducing scattering and deeper ***,by assembling the tetraphenylethylene backbones with nontoxic and non-noble K^(+)ions,compound 1([(Hdma)K(H_(2)ettc)]_(n),H_(4)ettc=4',4''',4''''',4'''''''-(ethene-1,1,2,2-tetrayl)tetrakis(([1,1'-biphenyl]-4-carboxylic acid)))with the crystallization-induced emissions exhibited charming fluorescence imaging under two-photon excitation microscopy(TPEM).Besides,luminescent powders based on compound 1 can achieve high-resolution f.ngerprint recognition,providing secure access control and identification for a novel authentication *** with the commercial fluorescent dyes coumarin-6,the as-synthesized compound 1 showed great solvent stability,indicating its durability against harsh ***,compound 1 shows mechanoluminescent properties for the perturbation of weak supramolecular interactions within ordered arrangements of the H_(2)ettc^(2−)*** novel compound has provided an important insight to the development of twophoton fluorescence imaging and advanced external-stimuli responsive materials.

关键词： crystallization-induced emission fluorescence imaging two-photon absorption f.ngerprint recognition mechanoluminescence

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A synthesis of the Cretaceous wildfire record related to atmospheric oxygen levels?

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Journal of Palaeogeography 2024年第1期13卷 149-164页

作者： Da-Wei Lü Wen-Xu Du Zhi-Hui Zhang Yuan gao Tian-Tian Wang Jin-Cheng Xu Ao-cong Zhang Cheng-Shan Wang Shandong Provincial Key Laboratory of Depositional Mineralization and Sedimentary Minerals College of Earth Sciences and EngineeringShandong University of Science and TechnologyQingdao 266590Shandong ProvinceChina School of Earth Sciences and Resources China University of GeosciencesBejing 100083China Institute of Earth Sciences China University of Geosciences(Bejing)Beijing 100083China

The Cretaceous was a significant greenhouse period in Earth's history with higher atmospheric CO_(2) levels and temperatures than today. Although evidence of combustion has been widely described from the Cretaceous deposits, our understanding of the spatiotemporal diversification pattern and process of the Cretaceous wildfires is still limited. In this study, we comprehensively synthesize a total of 271 published Cretaceous wildfire occurrences based on the by-products of burning, including fossil charcoal, pyrogenic inertinite(fossil charcoal in coal), and pyrogenic polycyclic aromatic hydrocarbons(PAHs). Spatially, the dataset shows a distinctive distribution of reported wildfire evidence characterized by high concentration in the middle latitudinal areas of the northern Hemisphere(30°n-60°n) over the Cretaceous. Temporally, an overall increasing trend of the reported wildfire data from the Early Cretaceous to the Late Cretaceous is coincident with higher atmospheric O_(2) levels. However, the spatial and temporal patterns may result from many types of factors, such as taphonomy, preservation, and researcher biases, instead of a real picture of the Cretaceous wildfire evolution. To better understand the spatiotemporal diversification of the Cretaceous wildfire, more investigations on the record of wildfire occurrences during this period would be necessary in the future.

关键词： Wildfire Cretaceous Atmospheric oxygen Taphonomy Charcoal

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Compliant Iontronic Triboelectric Gels with Phase-Locked Structure Enabled by Competitive Hydrogen Bonding

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nano-Micro Letters 2024年第9期16卷 180-194页

作者： Guoli Du Yuzheng Shao Bin Luo Tao Liu Jiamin Zhao Ying Qin Jinlong Wang Song Zhang Mingchao Chi cong gao Yanhua Liu Chenchen Cai Shuangfei Wang Shuangxi nie School of Light Industry and food Engineering Guangxi UniversityNanning 530004People’s Republic of China

Rapid advancements in flexible electronics technology propel soft tactile sensing devices toward high-level biointegration,even attaining tactile perception capabilities surpassing human ***,the inherent mechanical mismatch resulting from deficient biomimetic mechanical properties of sensing materials poses a challenge to the application of wearable tactile sensing devices in human-machine *** by the innate biphasic structure of human subcutaneous tissue,this study discloses a skin-compliant wearable iontronic triboelectric gel via phase separation induced by competitive hydrogen ***-nonsolvent interactions are used to construct competitive hydrogen bonding systems to trigger phase separation,and the resulting soft-hard alternating phase-locked structure confers the iontronic triboelectric gel with Young’s modulus(6.8-281.9 kPa)and high tensile properties(880%)compatible with human *** abundance of reactive hydroxyl groups gives the gel excellent tribopositive and self-adhesive properties(peel strength>70 n m^(−1)).The self-powered tactile sensing skin based on this gel maintains favorable interface and mechanical stability with the working object,which greatly ensures the high fidelity and reliability of soft tactile sensing *** strategy,enabling skin-compliant design and broad dynamic tunability of the mechanical properties of sensing materials,presents a universal platform for broad applications from soft robots to wearable electronics.

关键词： Triboelectric nanogenerator Cellulose Triboelectric gel Self-powered sensor Energy harvesting

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Risk assessment,fitness cost,cross-resistance,and mechanism of tetraniliprole resistance in the rice stem borer,Chilo suppressalis

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Insect Science 2024年第3期31卷 835-846页

作者： Hao Sun Shuai Wang Chong Liu Wen-Kai Hu Jin-Wei Liu Ling-Jun Zheng Meng-Yue gao f.ng-Rui Guo Song-Tao Qiao Jun-Li Liu Bo Sun cong-f.n gao Shun-f.n Wu College of Plant Protection Nanjing Agricultural UniversityState&Local Joint Engineering Research Center of Green Pesticide Invention and ApplicationNanjingChina Bayer Cropscience(China)Co. Ltd.HangzhouChina

The rice stem borer(RSB),Chilo suppressalis,a notorious rice pest in China,has evolved a high resistance level to commonly used ***,a new anthranilic diamide insecticide,effectively controls multiple pests,including ***,the potential resistance risk of RSB to tetraniliprole is still *** this study,the tetraniliprole-selection(Tet-R)strain was obtained through 10 continuous generations of selection with tetraniliprole 30%lethal concentration(LC_(30)).The realized heritability(h^(2))of the Tet-R strain was 0.387,indicating that resistance of RSB to tetraniliprole developed rapidly under the continuous selection of *** Tet-R strain had a high fitness cost(relative fitness=0.53).We established the susceptibility baseline of RSB to tetraniliprole(lethal concentration at LC_(50)=0.727 mg/L)and investigated the resistance level of 6 field populations to *** tested strains that had resistance to chlorantraniliprole exhibited moderate-to high-level resistance to tetraniliprole(resistance ratio=27.7-806.8).Detection of ryanodine receptor(RyR)mutations showed that the Y4667C,Y4667D,I4758M,and Y4891f mutations were present in tested RSB field *** mutations were responsible for the cross-resistance between tetraniliprole and ***,the clustered regularly interspaced palindromic repeats(CRISPR)/CRISPR-associated protein 9-mediated genome-modified flies were used to study the contribution of RyR mutations to tetraniliprole *** order of contribution of a single RyR mutation to tetraniliprole resistance was Y4667D>G4915E>Y4667C~~I4758M>*** addition,the I4758M and Y4667C double mutations conferred higher tetraniliprole resistance than single Y4667C *** results can guide resistance management practices for diamides in RSB and other arthropods.

关键词： Chilo suppressalis diamide resistance fitness cost cross-resistance RyR target-site mutations

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Carrier transport barrier in AlGan-based deep ultraviolet LEDs on offcut sapphire substrates

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Chinese Optics Letters 2024年第2期22卷 148-158页

作者：陈秋爽陈荔陈聪高歌郭炜叶继春 ningbo Institute of Materials Technology and Engineering Ningbo 315201China University of Chinese Academy of Sciences Beijing 100049China

AlGan-based light-emitting diodes(LEDs)on offcut substrates enhance radiative emission via forming carrier localization centers in multiple quantum wells(MQWs).This study introduces the carrier transport barrier concept,accessing its impact on the quantum efficiency of LEDs grown on different offcut sapphire substrates.A significantly enhanced internal quantum efficiency(IQE)of 83.1%is obtained from MQWs on the 1°offcut sapphire,almost twice that of the controlled 0.2°offcut ***,1°offcut LEDs have higher turn-on voltage and weaker electroluminescence than 0.2°*** calculations demonstrate the existence of a potential barrier on the current path around the step-induced Ga-rich ***-rich stripes reduce the turn-on voltage but restrict sufficient driving current,impacting LED performance.

关键词： carrier localization step-bunching potential barrier offcut substrate DUV LEDs

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比较政治研究中的因果机制探寻——基于过程追踪法的分析

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江海学刊 2024年第5期 146-155,256页

作者：高进刘聪东北大学文法学院北京航空航天大学公共管理学院

过程追踪法是比较政治学领域一种解释和分析案例因果机制的新的研究方法。运用类型学分析过程追踪法,有助于澄清过程追踪法的应用分歧,增强过程追踪法对比较政治学因果机制的解释力。过程追踪法可分为理论检验型、理论建构型和解释结果... 详细信息

过程追踪法是比较政治学领域一种解释和分析案例因果机制的新的研究方法。运用类型学分析过程追踪法,有助于澄清过程追踪法的应用分歧,增强过程追踪法对比较政治学因果机制的解释力。过程追踪法可分为理论检验型、理论建构型和解释结果型三种类型。通过选取比较政治学运用过程追踪法分析因果机制的多案例作为研究载体,从因果机制构建、搜集部件证据和贝叶斯检验三个维度,总结过程追踪法在比较政治学因果机制的适用场景和解释逻辑等方法论层面的应用启示,有助于比较政治学因果机制研究方法的理论化发展。

关键词：比较政治学过程追踪法因果机制贝叶斯检验

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Hybrid ion/electron interfacial regulation stabilizes the cobalt/oxygen redox of ultrahigh-voltage lithium cobalt oxide for fast-charging cyclability

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Science Bulletin 2024年第13期69卷 2071-2079页

作者： Zhihong Bi Anping Zhang Gongrui Wang cong Dong Pratteek Das Xiaoyu Shi Zhong-Shuai Wu State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China University of Chinese Academy of Sciences Beijing 100049China Dalian national Laboratory of Clean Energy Chinese Academy of SciencesDalian 116023China

High-voltage and fast-charging LiCoO_(2)(LCO)is key to high-energy/power-density Li-ion ***,unstable surface structure and unfavorable electronic/ionic conductivity severely hinder its high-voltage fast-charging ***,we construct a Li/na-B-Mg-Si-O-f-rich mixed ion/electron interface network on the 4.65 V LCO electrode to enhance its rate capability and long-term cycling ***,the resulting artificial hybrid conductive network enhances the reversible conversion of Co^(3+)/^(4+)/O_(2)/nredox by the interfacial ion–electron cooperation and suppresses interface side reactions,inducing an ultrathin yet compact cathode electrolyte ***,the derived near-surface na+/Mg2+/Si^(4+)-pillared local intercalation structure greatly promotes the Li^(+)diffusion around the 4.55 V phase transition and stabilizes the cathode ***,excellent 3 C(1 C=274 mA g1)fast charging performance is demonstrated with 73.8%capacity retention over 1000 *** f.ndings shed new insights to the f.ndamental mechanism of interfacial ion/electron synergy in stabilizing and enhancing fast-charging cathode materials.

关键词： High-voltage fast-charging LiCoO_(2) Interfacial ion-electron cooperation Local intercalation

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Onfractional(g,f.n′,m)-Critical Covered Graphs

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Journal of the Operations Research Society of China 2024年第2期12卷 446-460页

作者： Wei gao Wei-f.n Wang School of Information Science and Technology Yunnan Normal UniversityKunming 650500YunnanChina Department of Mathematics Zhejiang Normal UniversityJinhua 321004ZhejiangChina

The main contribution in this article is threefold:(1)we show the necessary and sufficient condition for graphs to be fractional(g,f)-covered which can be expressed in different forms,and extended to fractional(g,f,m)-covered graphs;(2)the concept of fractional-critical covered graph is put forward and its necessary and sufficient condition is given;(3)we present the degree condition for a graph to be fractional(g,f.n′,m)-critical covered,and show that degree bound is sharp when m is ***,the related result in fractional(a,b,n′,m)-critical covered setting is also verified.

关键词： network fractional factor Data transmission fractional covered graph fractional critical covered graph

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跨域合作何以助推共同富裕:“飞地抱团”的政策迭代与集约治理机制探析

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当代经济管理 2024年第9期46卷 67-76页

作者：刘聪高进北京航空航天大学公共管理学院北京100191 东北大学文法学院辽宁沈阳110169

共同富裕是社会主义的本质要求,积极探索具有中国特色的现实路径和治理创新是助推共同富裕的重要举措。文章从跨域视角切入尝试解答跨域合作何以助推共同富裕的现实之问,基于浙江平湖“飞地抱团”跨域合作的样板路径与模式创新,厘清“... 详细信息

共同富裕是社会主义的本质要求,积极探索具有中国特色的现实路径和治理创新是助推共同富裕的重要举措。文章从跨域视角切入尝试解答跨域合作何以助推共同富裕的现实之问,基于浙江平湖“飞地抱团”跨域合作的样板路径与模式创新,厘清“飞地抱团”政策迭代的演进历程与关键内容,揭示并解释“飞地抱团”的逻辑机理与运作机制,以期扎实推进共同富裕。研究发现,“空间-要素-政策-议题”四维一体的跨域合作集约治理是实现异地“飞地抱团”山海协作,助推共同富裕的核心要素;“村域-镇域-市域-省域-跨省”的跨域合作进阶发展助力“飞地抱团”从1.0到5.0版政策迭代升级,凸显出集约治理的重要内容;基于集约理念所形塑的空间跨域集约利用、产业要素集约整合、政策供给集约调适、核心议题集约审议的集约化治理机制是实现跨域合作,迈向共同富裕的现实路径。以集约思想赋能空间治理,以政策迭代助推模式创新,从而实现跨域“结对互助”与“抱团聚集”,丰富国家治理的理论创新与共同富裕的实践道路。

关键词：集约化治理政策迭代飞地抱团跨域合作共同富裕

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Proteomic profiling of cerebrospinal fluid in pediatric myelin oligodendrocyte glycoprotein antibody-associated disease

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World Journal of Pediatrics 2024年第3期20卷 259-271页

作者： Yi-Long Wang Meng-Ying Zhu Zhe-f.ng Yuan Xiao-Yan Ren Xiao-Tong Guo Yi Hua Lu Xu cong-Ying Zhao Li-Hua Jiang Xin Zhang Guo-Xia Sheng Pei-f.ng Jiang Zheng-Yan Zhao f.ng gao Department of.neurology Children's HospitalZhejiang University School of MedicineHangzhou 310052China Children's Hospital Zhejiang University School of MedicineHangzhou 310052China Children's Hospital National Clinical Research Center for Child HealthZhejiang University School of MedicineHangzhou 310052China

Background Myelin oligodendrocyte glycoprotein(MOG)antibody-associated disease(MOGAD)is an autoimmune demy-elinating disorder of the central nervous *** Extracted proteins from 34 cerebrospinal fluid(CSf)samples[patients with MOGAD(MOG group,n=12);healthy controls(HC group,n=12);patients with MOG seronegative and metagenomics next-generation sequencing-negative inflammatory neurological diseases(InD group,n=10)]were processed and subjected to label-free quantitative *** partial least squares-discriminant analysis(PLS-DA)and orthogonal PLS-DA(O-PLS-DA)models were also performed based on proteomics *** analysis of differentially expressed proteins(DEPs)was performed using Gene Ontology,InterPro,and Kyoto Encyclopedia Genes and *** enzyme-linked immunosorbent assay was used to determine the complement levels in serum from patients with *** four hundred and twenty-nine DEPs(149 upregulated and 280 downregulated proteins)were identified in the MOG group compared to the HC group according to the P value and fold change(fC).Using the O-PLS-DA model,872 differentially abundant proteins were identified with variable importance projection(VIP)scores>*** proteins(gamma-glutamyl hydrolase,cathepsin f,interalpha-trypsin inhibitor heavy chain 5,latent transforming growth factor beta-binding protein 4 and leukocyte-associated immunoglobulin-like receptor 1)overlapping between the top 30 DEPs with top-ranked P value and fC and top 30 proteins in PLS-DA VIP lists were *** analysis revealed that the dysregulated proteins in the MOG group were primarily involved in complement and coagulation cascades,cell adhesion,axon guidance,and glycosphingolipid biosynthesis compared to the HC *** The proteomic alterations in CSf samples from children with MOGAD identified in the current study might provide opportunities for developing novel biomarker candidates.

关键词： Acute disseminated encephalomyelitis Cerebrospinal fluid Complement cascades Myelin oligodendrocyte glycoprotein-associated disease Proteomics

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