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An ionic liquid functionalized sericin hydrogel for drug-resistant bacteria-infected diabetic wound healing

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Chinese Chemical Letters 2025年第2期36卷 307-313页

作者： Jiajia Wang XinXin Ge Yajing xiang Xiaoliang Qi Ying Li Hangbin Xu Erya Cai Chaofan Zhang Yulong Lan Xiaojing Chen Yizuo Shi Zhangping Li Jianliang shen National Engineering Research Center of Ophthalmology and Optometry Eye HospitalWenzhou Medical University School of Chemical Engineering Nanjing University of Science&Technology School&Hospital of Stomatology Wenzhou Medical University Zhejiang Engineering Research Center for Tissue Repair Materials Wenzhou InstituteUniversity of Chinese Academy of Sciences The Quzhou Affiliated Hospital of Wenzhou Medical University Quzhou People's Hospital

Diabetic wound healing is often complicated due to bacterial infections that intensify inflammation. Employing hydrogel dressings with inherent antibacterial properties can significantly reduce reliance on antibiotics for treating infected wounds in diabetics. Traditional hydrogels typically rely on the infiltration of bacteria into their porous structure to manifest antibacterial effects. However, this infiltration process is not only prolonged but can also exacerbate inflammation, further delaying the healing of the ***, promptly capturing and eliminating bacteria is crucial for enhancing the antibacterial efficiency of the hydrogel. In this context, we present a multifunctional hydrogel dressing, termed SIP, designed to tackle drug-resistant bacterial infections in diabetic wounds. This dressing integrates ionic liquid functional groups into a sericin-based matrix: phenylboronic acid for the immobilization of bacteria and imidazole for their subsequent annihilation. Expectedly, the SIP system demonstrates potent antibacterial activity against methicillin-resistant Staphylococcus aureus, verified through in vitro and in vivo experiments. As a result, SIP emerges as a promising candidate in the realm of hydrogel dressings with innate antibacterial properties, showcasing considerable potential for addressing diabetic wounds plagued by drug-resistant bacterial infections.

关键词： Diabetic wound healing Hydrogels Ionic liquids Methicillin-resistant Staphylococcus aureus infection Sericin

A Second Tutorial Review of the Solar Power Curve:Applications in Energy Meteorology

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Advances in Atmospheric Sciences 2025年第02期 269-296页

作者： Dazhi YANG Bai LIU Hao ZHANG xiang'ao XIA Yanbo shen Martin János MAYER School of Electrical Engineering and Automation Harbin Institute of Technology Institute of Atmospheric Physics Chinese Academy of Sciences Public Meteorological Service Centre China Meteorological Administration Department of Energy Engineering Faculty of Mechanical Engineering Budapest University of Technology and Economics

The fundamental scientific and engineering knowledge concerning the solar power curve, which maps solar irradiance and other auxiliary meteorological variables to photovoltaic output power, has been gathered and put forward in the preceding tutorial review. Despite the many pages of that review, it was incomplete in the sense that it did not elaborate on the applications of this very important tool of solar energy meteorology. Indeed, solar power curves are ubiquitously needed in a broad spectrum of solar forecasting and solar resource assessment tasks. Hence, this tutorial review should continue from where it left off and present examples concerning the usage of solar power curves. In a nutshell, this tutorial review,together with the preceding one, should elucidate how surface shortwave radiation data, be they ground-based, satelliteretrieved, or model-output, are bridged to various power system operations via solar power curves.

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Unveiling solid-solid contact states in all-solid-state lithium batteries:An electrochemical impedance spectroscopy viewpoint

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Journal of Energy Chemistry 2025年第2期101卷 16-22页

作者： Jin-Liang Li Liang shen Zi-Ning Cheng Jun-Dong Zhang Ling-Xuan Li Yu-Tong Zhang Yan-Bin Gao Chunli Guo xiang Chen Chen-Zi Zhao Rui Zhang Qiang Zhang Tsinghua Center for Green Chemical Engineering Electrification Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical Engineering Tsinghua University College of Materials Science and Engineering Taiyuan University of Technology Advanced Research Institute of Multidisciplinary Science School of Materials Science and Engineering Beijing Institute of Technology Beijing Huairou Laboratory Institute for Carbon Neutrality Tsinghua University Shanxi Research Institute for Clean Energy Tsinghua University

All-solid-state lithium batteries（ASSLBs） are strongly considered as the next-generation energy storage devices for their high energy density and intrinsic *** solid-solid contact between lithium metal and solid electrolyte plays a vital role in the performance of working ASSLBs,which is challenging to investigate quantitatively by experimental *** work proposed a quantitative model based on the finite element method for electrochemical impedance spectroscopy simulation of different solid-solid contact states in *** the assistance of an equivalent circuit model and distribution of relaxation times,it is discovered that as the number of voids and the sharpness of cracks increase,the contact resistance Rcgrows and ultimately dominates the battery *** accurate fitting,inverse proportional relations between contact resistance Rcand（1-porosity） as well as crack angle was *** contribution affords a fresh insight into clarifying solid-solid contact states in ASSLBs.

关键词： All-solid-state lithium batteries Distribution of relaxation times Electrochemical impedance spectroscopy Equivalent circuit model Finite element method Solid-solid contacts

Evaluating the accuracy of earth rotation parameters based on the BDS observations

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Geodesy and Geodynamics 2025年第1期16卷 87-98页

作者： Chenxiang Wang Pengfei Zhang Tengxu Zhang Ziyu shen Jizhang Sang Wenbin shen School of Geodesy and Geomatics Wuhan University Time and Frequency Geodesy Center Wuhan University School of Resource Environmental Science and Engineering Hubei University of Science and Technology

The Bei Dou satellite system(BDS) has progressed with the full operationalization of the secondgeneration regional system(BDS-2) and the third-generation global system(BDS-3). This technology plays a crucial role in determining Earth Rotation Parameters(ERPs). In this study, we determine the ERPs based on the observations of BDS-2, BDS-3 and BDS-2+BDS-3, with the time spanning from August18, 2022, to August 18, 2023. The IERS EOP 20C04 series is used as a reference to evaluate the accuracy of the ERP estimates. We analyze the impact of different numbers of reference stations, polyhedron volumes, observation arc lengths, satellite types, and satellite systems on solving ERPs using BDS-2 and BDS-3 observation data provided by the International GNSS Service(IGS) stations. When selecting a specific satellite type, it is necessary to choose an appropriate observation arc length based on different numbers of reference stations while maximizing the volume of the formed polyhedron to achieve optimal efficiency and accuracy in parameter estimation. When both the number of reference stations and observation arc length are fixed, higher precision of the ERPs can be achieved using observations from MEO than MEO + IGSO and MEO + IGSO + GEO. Moreover, when considering only IGSO and MEO satellites as options for analysis purposes, BDS-3 provides higher accuracy compared to BDS-2. In summary, when using BDS for ERP estimation and MEO satellite observations with the same observation arc length,selecting stations from reference stations with larger polyhedral volumes can significantly improve the efficiency and accuracy of parameter estimation.

关键词： Earth rotation parameters Polyhedron volume Observation arc length BDS-2 BDS-3

Optimizing large optical contrast in Ge-Se-Te films via high-throughput method

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Progress in Natural Science:Materials International 2025年第01期 222-228页

作者： Qiqi Chen Guoxiang Wang Zijun Liu Yixiao Gao Chenjie Gu Tiefeng Xu xiang shen Yimin Chen Laboratory of Infrared Material and Devices & Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province Advanced Technology Research InstituteNingbo University Department of Microelectronic Science and Engineering School of Physical Science and Technology Ningbo University Ningbo Solartrum Co.Ltd.

Chalcogenide phase-change materials（PCMs） have attracted great attentions due to their potential applications in reconfigurable photonic devices. The Ge2Sb2Te5and GeTe PCMs exhibit significant difference in refractive index（Δn） between amorphous and crystalline states, but they suffer from high optical loss. The binary Sb2S3and Sb2Se3PCMs, however, show low optical loss but small Δn. This encourages us to develop the novel materials,which are desired to combine large Δn and low optical loss. Instead of traditional trial-and-error screening method, we here used an efficient high-throughput method to optimize the PCMs' candidates for reconfigurable photonic devices in Ge-Se-Te chalcogenides. The crystallization temperature and difference in optical bandgap were detected, and then the component of Ge25Se7Te68, which also exhibits ultralow optical loss of 1.2 × 10-6（in amorphous state） and large Δn of 1.32 at 1550 nm, was optimized. This Te-rich Ge-Se-Te film can be a candidate for the applications of programmable reconfigurable photonic circuits.

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Evaluating complementaries among urban water,energy,infrastructure,and social Sustainable Development Goals in China

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Journal of Environmental Sciences 2025年第3期149卷 585-597页

作者： Ke Yu Yifan Song Jin Lin shen Qu School of Management and Economics Beijing Institute of TechnologyBeijing 100081China Center for Energy&Environmental Policy Research Beijing Institute of TechnologyBeijing 100081China

Urban areas’performance in water,energy,infrastructure,and socio-economic sectors is intertwined and measurable through Sustainable Development Goals(SDGs)6–*** synergy among these is critical for *** study constructs an indicator framework that reflects progress towards these urban SDGs in *** indicate underperformance in SDGs 8–11,suggesting the need for transformative *** network analysis,the research reveals complementarities among these ***,the SDG space divides into socio-economic and ecological clusters,with SDG 6(Clean Water and Sanitation)central to ***,SDG 8(Decent Work and Economic Growth)and SDG 9(Industry,Innovation,and Infrastructure)act as bridges,while greater synergies exist between SDG 12(Responsible Consumption and Production)and SDG 13(Climate Action).An in-depth view at the indicator-level shows a core-periphery structure,emphasizing indicators like SDG 6.2(Wastewater Treatment Rate)and SDG 6.6(Recycled Water Production Capacity per capita)as *** study confirms the urban SDG space’s stability and predictiveness,underscoring its value in steering well-aligned policy decisions for sustainable growth.

关键词： Sustainable development goals Synergy Urban development Policy decisions

Axial emission characteristics of an ionic liquid electrospray thruster with a circular emitter

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Chinese Journal of Aeronautics 2025年第1期38卷 297-305页

作者： Cheng YANG Jiawei LUO xiangbei WU Yan shen School of Aeronautics and Astronautics Sun Yat-sen UniversityShenzhen 518107China shenzhen Key Laboratory of Intelligent Microsatellite Constellation Shenzhen 518107China

Ionic Liquid Electrospray Thrusters(ILETs)are well suited for micro-nano satellite applications due to their small size,low power consumption,and high specific ***,the limited thrust of a single-emitter ILET restricts its use in space *** optimize the performance of ILETs and make them suitable for a wider range of space missions,we designed a Circular-emitter ILET(CILET)to convert a one-dimensional(point)emission into a twodimensional(line)*** CILET can self-organize multiple Taylor cones *** cones were photographed and the axial emission currents were measured under different voltage and pressure difference conditions with a CILET experimental *** emission can be divided into two stable states and one unstable state based on the flow and current *** current in Stable state Ⅰ increases non-linearly with the voltage,while that in Stable state Ⅱ is nearly linear with respect to the *** number of cones increases with the voltage in stable states,while the cones become short and crowded under high-voltage *** variation law of the number of cones can be explained with the self-organization *** variation in the current exhibits a good correlation with the number of *** study demonstrates the feasibility of circular emitters and experimentally indicates that the emission current is improved by approximately two orders of magnitude compared to that of a single capillary.

关键词： Electrospray Ionic liquid thruster Self-organize Emitter Taylor cone

Leaching of WO_(3)from sulfuric acid converted product of scheelite in NH_(3)·H_(2)O−NH_(4)HCO_(3)solution

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Transactions of Nonferrous Metals Society of China 2025年第1期35卷 326-337页

作者： Lei-ting shen Yu LIU Juan-lang GUO Qiu-sheng ZHOU Tian-gui QI zhi-hong PENG Gui-hua LIU Xiao-bin LI School of Metallurgy and Environment Central South UniversityChangsha 410083China

The leaching of sulfuric acid converted product of scheelite in NH_(3)·H_(2)O−NH_(4)HCO_(3)solution was systemically studied to improve sulfuric acid conversion−ammonium salts leaching technology route for ammonium paratungstate *** results showed that the WO_(3)leaching efficiency was about 99%under optimal conditions of 350 r/min,liquid-to-solid ratio of 3 mL/g,1 mol/L NH_(4)HCO_(3),4 mol/L NH_(3)·H_(2)O,25℃,and 15 *** the leaching,CaSO_(4)almost had no change and was still in a banding or rod-like shape in short leaching time,while conglobate CaCO_(3)was gradually formed on the CaSO_(4)surface.A secondary reaction might occur between CaSO_(4)and WO_(4)^(2−),which could be restrained by a certain amount of CO_(3)^(2−)in the *** was no CaCO_(3)phase determined by XRD in leaching residue of converted product for scheelite concentrate under optimal conditions,which was different from that for synthetic *** leaching process could be explained by neutralization reaction of H_(2)WO_(4)and solid transformation of CaSO_(4)in NH_(3)·H_(2)O−NH_(4)HCO_(3)solution.

关键词： tungstic acid calcium sulfate leaching mechanism calcium carbonate ammonium tungstate

Sterile supernatant of Bacillus subtilis TLD4 controls apple replant disease:Microbial community structure-mediated inhibition of Fusarium

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Horticultural Plant Journal 2025年第1期11卷 451-454页

作者： Haiyan Wang Yunfei Mao Weixiao Tang Rong Zhang Xuesen Chen xiang shen Chengmiao Yin Yanfang Wang zhiquan Mao College of Forestry Shandong Agricultural UniversityTai'anShandong 271018China College of Horticultural Science and Engineering Shandong Agricultural UniversityApple Technology Innovation Center of Shandong ProvinceTailanShandong 271018China College of Chemistry and Material Science Shandong Agricultural UniversityTai'anShandong 271018China

Apple replant disease(ARD)is a common soil-borne disease,and has a negative impact on the growth and yield of apple trees(Jiang et al.,2023).Due to the prevalence of pathogenic Fusarium spp.,the resulting microbial community shift in the rhizosphere soil has been the primary cause of ARD in major apple-producing regions along the Bohai Gulf(Wang et al.,2018).Chemical fumigation is gradually eliminated because of its environmental ***,it is crucial to find sustainable,eco-friendly,and effective biological measures to alleviate ARD(Wang et al.,2022).Since the discovery of antagonistic and plant growthpromoting bacteria(such as Bacillus spp.),their solid microbial fertilizers have been demonstrated to have effective biocontrol properties(Shahid et al.,2021).In view of the variety of natural antifungal compounds of Bacillus spp.(Jasim et al.,2016;Ismaila et al.,2023),there were few reports on applying sterile supernatant of Bacillus *** prevent ARD.

关键词： soil sterile measures

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