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Integrated Mini-Pillar Platform for Wireless Real-Time Cell Monitoring

Research 2025年第1期2024卷 815-822页

作者： Yong Luo Yongchao Song Jing Wang Tailin Xu Xueji Zhang Synthetic Biology Research Center The Institute for Advanced Study (IAS)Shenzhen UniversityShenzhenGuangdong 518060P.R.China Beijing Key Laboratory for Bioengineering and Sensing Technology University of Science and Technology BeijingBeijing 100083P.R.China Research Center for Intelligent and Wearable Technology College of Textiles and ClothingState Key Laboratory of Bio-Fibers and Eco-TextilesQingdao UniversityQingdao 266071P.R.China School of Biomedical Engineering Shenzhen University Health Science CenterShenzhen UniversityShenzhenGuangdong 518060P.R.China

Cell culture as the cornerstone of biotechnology remains a labor-intensive process requiring continuous manual oversight and substantial time *** this work,we propose an integrated mini-pillar platform for in situ monitoring of multiple cellular metabolism processes,which achieves media anchoring and cell culture through an arrayed mini-pillar *** assembly of polyaniline(PANI)/dendritic gold-modified microelectrode biosensors exhibits high sensitivity(63.55 mV/pH)and excellent interference resistance,enabling real-time acquisition of biosensing *** successfully employed such integrated devices to real-time measuring pH variations in multiple cells and real-time monitoring of cell metabolism under drug interventions and to facilitate in situ assisted cultivation of 3-dimensional(3D)cell *** mini-pillar array-based cell culture platform exhibits excellent biosensing sensitivity and real-time monitoring capability,offering considerable potential for the advancement of biotechnology and medical drug development.

关键词： situ monitoring wireless real time cell monitoring cell culture media anchoring cellular metabolism processes integrated mini pillar platform

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One-step solvothermal preparation of Fe-doped Ni_(0.85)Se/NF:An efficient catalyst for the oxygen evolution reaction

ChemPhysMater

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ChemPhysMater 2025年第1期4卷 78-85页

作者： Longqi Zhu Runze Wang Chen Wang Shuhan Yang Haizhen Liu Bo Xing Honghui Cheng Kuikui Wang Institute of Materials for Energy and Environment Laboratory of New Fiber Materials and Modern TextileGrowing Basis for State Key LaboratoryCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China MOE Key Laboratory of New Processing Technology for Non-ferrous Metals and Materials Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured MaterialsGuangxi UniversityNanning 530004China National Engineering Laboratory of Circular Economy Sichuan University of Science and EngineeringZigong 643000China School of Mechanical Engineering Yangzhou UniversityYangzhou 225127China Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Changzhou UniversityChangzhou 213164China

Metal-cation doping is a fundamental strategy for enhancing catalyst ***-doped Ni_(0.85)Se/NF(Fe-Ni_(0.85)Se/NF)nanoparticles were prepared at 80°C via Fe^(2+)etching *** addition of Fe altered the coordination environment of the Ni species along with the catalyst's morphology,creating additional active ***,the synergistic interaction between the bimetallic components augmented the built-in activity and accelerated reaction *** Fe-Ni_(0.85)Se/NF electrocatalysts demonstrated remarkable catalytic activity for the oxygen evolution reaction(OER),with an acceptable overpotential of 276 mV and a Tafel slope of 58.1 mV dec^(−1)at 100 mA cm^(−2).Moreover,they demonstrated exceptional *** situ Raman and X-ray photoelectron spectroscopy(XPS)analyses showed that the excellent OER performance stemmed from the reconstruction-induced hydroxyl *** study offers a novel approach for streamlining the synthesis procedures and reducing the experimental costs for developing high-efficiency electrocatalysts.

关键词： Doping Selenylation Hydrothermal reaction Oxygen evolution reaction Electrocatalysts

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Observation of multiple surface states in naturally cleavable chiral crystal PdSbSe

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Physical Review Materials 2025年第3期9卷 L031201-L031201页

作者： Zhicheng Jiang Zhengtai Liu Chenqiang Hua Xiangqi Liu Yichen Yang Jianyang Ding Jiayu Liu Jishan Liu Mao Ye Shanghai Synchrotron Radiation Facility Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 China National Synchrotron Radiation Laboratory and School of Nuclear Science and Technology University of Science and Technology of China Hefei 230026 China National Key Laboratory of Materials for Integrated Circuits Shanghai Institute of Microsystem and Information Technology (SIMIT) Chinese Academy of Sciences Shanghai 200050 China Zhejiang Province Key Laboratory of Quantum Technology and Device Department of Physics Zhejiang University Hangzhou 310027 China State Key Lab of Silicon Materials School of Materials Science and Engineering Zhejiang University Hangzhou 310027 China Beihang Hangzhou Innovation Institute Yuhang Xixi Octagon City Yuhang District Hangzhou 310023 China School of Physical Science and Technology ShanghaiTech University Shanghai 200031 China State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences Shanghai 200050 China

Chiral multifold fermions in solids exhibit unique band structures and topological properties, making them ideal for exploring fundamental physical phenomena related to nontrivial topology, chirality, and symmetry breaking. However, the challenge of obtaining clean, flat surfaces through cleavage has hindered the investigation of their unique electronic states. In this study, we utilize high-resolution angle-resolved photoemission spectroscopy and density functional theory calculations to investigate the low-energy electronic structure of the cleavable single-crystal PdSbSe. Our combined experimental and theoretical analysis reveals the presence of multifold-degenerate fermions within this chiral crystal. We also observe multiple chiral Fermi arc surface states and spin-splitting behavior in the associated bulk bands. These findings provide unique insights into chiral, multifold fermionic states in easily cleavable crystals and offer a robust platform for further research into their unique electronic properties and potential applications in novel electronic devices.

关键词： Photoelectron spectroscopy

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Perovskite and copper indium gallium selenide: A wonderful marriage for tandem photovoltaics with efficiency approaching 30%

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Journal of Energy Chemistry 2025年 105卷 742-763页

作者： Wang, Lulu Tang, Jiahong Pei, Fengtao Cheng, Teng Li, Boyan Li, Weimin Li, Siqi Wu, Cuigu Jiang, Yan Chen, Qi Experimental Centre for Advanced Materials School of Materials Science and Engineering Beijing Institute of Technology Beijing100081 China National Institute of Clean-and-Low-Carbon Energy Beijing102211 China Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Guangdong Shenzhen18055 China State Key Laboratory of Photovoltaic Materials and Cells XINTE ENERGY CO. LTD. Xinjiang Urumqi830019 China

Tandem solar cells (TSCs) represent an attractive technology that can overcome the single-junction Shockley-Queisser limit. Recently, a tandem structure combining wide-bandgap metal halide perovskite with complementary bandgap copper indium gallium selenide (CIGS) photovoltaic technology has demonstrated a realistic pathway to achieve the industrialization goal of pushing power conversion efficiency (PCE) approaching 30% at low-cost. In this review, we first pinpoint the unique advantage of perovskite/CIGS tandems with respect to the other mainstream photovoltaic technologies and retrospect the research progress of perovskite/CIGS TSCs from both PCE and stability perspective in the last years. Next, we comprehensively discuss the major advancements in absorbers, functional layers of the individual sub-cell, and the interconnection layer between them in the recent decade. Finally, we outline several essential scientific and engineering challenges that are to be solved toward the development of efficient, long-term stable, and large-area perovskite/CIGS TSCs in the future. © 2025 Science Press

关键词： Perovskite

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Coordinated Control Strategy for Multi Hybrid Active Power Filters

Coordinated Control Strategy for Multi Hybrid Active Power F...

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Electrical Automation and Artificial Intelligence (ICEAAI), International Conference on

作者： Chen Wang Bo Yang Yutong Wu Mingshu Li Xingyang Li Jingyuan Yin State Grid Beijing Electric Power Company Beijing China Institute of Electrical Engineering Chinese Academy of Sciences Beijing China Institute of Electrical Engineering and Advanced Electromagnetic Drive Technology Qilu Zhongke Jinan China Shandong Key Laboratory of Advanced Electromagnetic Conversion Technology Jinan China

ISBN: (数字)9798331506797

ISBN: (纸本)9798331506803

With the development of new power systems and power electronics technology, the power system in the “double high” scenario faces certain challenges in harmonic control. To achieve precise real-time control of harmonics, this article proposes a collaborative control strategy for multi hybrid active power filters (HAPF). Based on Silicon Carbide Metal-Oxide-Semiconductor Field-Effect Transistor (SiC-MOSFET) novel power components, a modular HAPF was constructed, the active and passive parts were connected through coupling inductance to output effective compensation current. To achieve real-time and accurate detection of harmonics, an adaptive filter is constructed by combining Least Mean Square (LMS) and Least Mean Squared (LMF) method, and adaptively update the weight step size based on the error results. A coupling evaluation index was constructed by introducing the relative gain matrix (RGA), considering the compensation performance, capacity allocation, and coupling effects of each HAPF, the optimal allocation of compensation current for each device is determined. The simulation results showed that the proposed method can accurately detect and compensate for system harmonics through collaborative control of multiple HAPF, thereby improving the power quality of the power system.

关键词： Couplings Performance evaluation Adaptive systems Heuristic algorithms Collaboration Harmonic analysis Active filters Real-time systems Resource management Power harmonic filters

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Electrocatalytic N-H bond transformations: a zero-carbon paradigm for sustainable energy storage and conversion

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Chemical Communications 2025年第42期61卷 7585-7599页

作者： Ji, Kang Wang, Guixi Wang, Shiyu Yao, Shuyun Ji, Yingjie Ni, Bing-Jie Yang, Zhiyu Yan, Yi-Ming State Key Laboratory of Organic-Inorganic Composites Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing100029 China School of Civil and Environmental Engineering The University of New South Wales SydneyNSW2052 Australia

With the escalating challenges of environmental pollution and energy scarcity, the exploration of novel energy storage and conversion systems has become imperative. In contrast to traditional energy systems centered on C-H bonds, electrocatalytic energy systems based on N-H bonds offer a transformative approach by circumventing the limitations of carbon cycles and enabling a complete cycle from energy storage to conversion. This review comprehensively introduces the concept and advantages of zero-carbon energy systems based on electrocatalytic N-H bond formation and cleavage. We delve into the reaction mechanisms of key electrocatalytic processes within these systems, along with the development and applications of associated electrocatalysts. Finally, we discuss the development prospect and challenges of zero-carbon energy systems based on the N-H bond, which provides guidance for the application of clean energy storage and conversion. © 2025 The Royal Society of Chemistry.

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Complex High-Resolution Range Profile-Based Discrimination Method for Active Deception Targets Within Multistatic Radar System

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IEEE Sensors Journal 2025年第10期25卷 18001-18014页

作者： Li, Qiang Guo, Yumei Xu, Hong Zhang, Linrang Chen, Zhanye Xidian University Hangzhou Institute of Technology Hangzhou311200 China Hangzhou Dianzi University School of Electronics and Information Engineering Hangzhou310018 China Xidian University School of Electronic Engineering Xi’an710071 China Xidian University National Laboratory of Radar Signal Processing Xi’an710071 China Southeast University State Key Laboratory of Millimeter Waves Nanjing210096 China Southeast University Institute of Electromagnetic Space Nanjing210096 China Chongqing University School of Microelectronics and Communication Engineering Chongqing400044 China

The available electronic counter-countermeasures methods for active deception jamming mainly focus on narrow-band processing in multistatic radar system. Compared with limited information in narrow-band case, the complex high-resolution range profile (C-HRRP), the manifestation of the spatial scattering characteristic in wideband case, contains more information about the structure and size of the target on the radar line of sight (LOS). The sensitivity of C-HRRP to target-aspect makes the C-HRRPs of physical target (PT) decorrelated in two distributed receivers with aspect variations. However, the C-HRRPs of the same active false target (FT) are highly consistent for which the jamming signals are from same source in the distributed receivers. Utilizing the difference, the correlation coefficient is defined first as the maximal sliding Hermitian distance between two C-HRRPs, and an innovative signal fusion approach is presented for discriminating PTs from active false ones through correlation testing for wideband multistatic radar system. A constant misjudgment probability can be achieved for PTs by the proposed discriminator. Due to the unchanged high correlation of jamming signals in different receivers, the presented approach can be applied into countering active deception jamming with arbitrary modulation. Simulations and corresponding result analyses are performed to verify the proposed approach’s feasibility and effectiveness. © 2001-2012 IEEE.

关键词： Multistatic radars

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用于吸收型电磁屏蔽的阻抗匹配可调自支撑Ti3C2Tx薄膜（英文）

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Science China Materials 2025年第5期68卷 1581-1591页

作者：周同庆白岩蒋天遂费文坤刘淑娟李建民赵强 State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM)Nanjing University of Posts & Telecommunications College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications

柔性吸收型电磁干扰（EMI）屏蔽材料对于诸如电信、汽车工业、航空航天以及柔性电子等敏感电子设备至关重要,其优点在于对电磁波的反射较少,同时具有适应性强和重量轻的特点.然而,实现高吸收能力与宽带宽的同时兼具柔性以适应设备变形,... 详细信息

柔性吸收型电磁干扰（EMI）屏蔽材料对于诸如电信、汽车工业、航空航天以及柔性电子等敏感电子设备至关重要,其优点在于对电磁波的反射较少,同时具有适应性强和重量轻的特点.然而,实现高吸收能力与宽带宽的同时兼具柔性以适应设备变形,仍然是一项重大挑战.本研究通过辊对辊工艺制备了具有可调节EMI屏蔽能力的柔性多层Ti3C2Tx（ML-Ti3C2Tx）/聚四氟乙烯（PTFE）复合膜. ML-Ti3C2Tx微粒的腔体结构和复合膜的“砖石”网络所引发的多重损耗机制,为入射电磁波的多次反射和散射提供了更多通道.此外,通过控制膜的厚度和ML-Ti3C2Tx的比例,可以定制阻抗匹配以实现高吸收能力.因此,厚度为3.5毫米、ML-Ti3C2Tx/PTFE-25 wt%的复合膜在X频段达到了70 dB的高EMI屏蔽效能,反射率仅为0.0004%.值得注意的是,得益于两种组分之间的强相互作用,这些膜在变形和极低温度（-200℃）处理后仍保持恒定的性能,显示出在未来多种应用中的广阔潜力.

关键词： flexible electronics EMI shielding materials EMW absorption ultralow reflection multilayer Ti3C2Tx

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Research on the induced crystallization behavior of high-performance thermoplastics resin-based composites

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Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica 2025年第5期42卷 2331-2348页

作者： Yu, Kun Yao, Jianan Zhang, Daijun Liu, Gang Liu, Hao Chen, Chunhai Center for Advanced Low-dimension Materials State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai201620 China AECC Beijing Institute of Aeronautical Materials Beijing100095 China National Key Laboratory of Advanced Composites Beijing100095 China Institute of Advanced Technology and Equipment Beijing University of Chemical Technology Beijing100029 China

In thermoplastic resin-based composites, optimizing interfacial properties is crucial for enhancing the overall characteristics of the composites. When carbon fibers (CF) are employed as the reinforcement, combined with semi-crystalline high-performance thermoplastic resins such as polyetheretherketone (PEEK), polyaryletherketone (PAEK), or polyphenylene sulfide (PPS) as the matrix, the induced crystallization phenomenon at the fiber/resin interface significantly impacts the interfacial properties of the composite. Taking the issue of induced crystallization in the study of high-performance thermoplastic resin-based composites as the starting point, this article comprehensively reviews the research progress in this area. The article covers the entire process from the preparation methods of induced crystallization samples to their final performance changes, analyzes the classification and influencing factors of induced crystallization, and describes several typical transcrystallinity (TC) morphologies in high-performance thermoplastic resins. Additionally, this article focuses on discussing the specific impact of TC on the interfacial properties of high-performance thermoplastic resin-based composites, and proposes the existing problems and challenges in this field. © 2025 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.

关键词： Carbon fibers

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Scalable single-step deposition of recyclable TiO2@Au monolayer coatings for enhanced visible-light photocatalysis of methylene blue dye

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RSC Advances 2025年第18期15卷 14264-14272页

作者： Zhang, Shaobo Yang, Jun Wu, Ranhong Li, Die Zhang, Xinjiang Zheng, Mingshan Jiang, Yi Ma, Haiguang Yang, Deren Yu, Xuegong State Key Laboratory of Silicon and Advanced Semiconductor Materials School of Materials Science and Engineering Zhejiang University Zhejiang Hangzhou310027 China ZJU-Hangzhou Global Scientific and Technological Innovation Center Zhejiang University Hangzhou311200 China Quartz Technology Co. Ltd Quzhou324000 China

Titanium dioxide@gold (TiO2@Au) nanocomposite monolayers with enhanced visible-light photocatalysis were synthesized via an air-water interfacial self-assembly and pyrolysis strategy. This method simultaneously embeds Au nanoparticles (5-20 nm) within TiO2 and reduces the bandgap from 3.02 eV to 2.66 eV via interfacial charge redistribution. In a 200 ml aqueous reaction system, the TiO2@Au monolayers demonstrated a visible-light-driven methylene blue degradation rate of 0.0054 min−1-3.6-fold higher than pure TiO2, attributed to Au's localized surface plasmon resonance (LSPR) enhancing visible-light absorption and interfacial electron transfer. The system maintained 99.2% activity retention over five cycles, showcasing unprecedented stability in large-volume wastewater treatment scenarios. This method leverages self-limiting assembly at the air-water interface to orchestrate the molecular packing of organometallic precursor films, which upon pyrolysis yield centimeter-scale nanocomposite monolayers. The developed methodology provides a practical pathway for industrial photocatalytic wastewater purification. © 2025 The Royal Society of Chemistry.

关键词： Pyrolysis

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