bluuebunny/crossref_metadata_2025_split huggingface dataset:
Superlattices in Ru Metallene Nanobelts for Robust Hydrogen Evolution
Authors: Deng Kai , Yu Jiabao , Mao Qiqi , Yang Ruidong , Yu Hongjie , Wang Ziqiang , Wang Jianguo , Wang Liang , Wang Hongjing 
Published: January 2025

Abstract2D materials, especially 2D superlattices with tailored geometries, represent an emerging class of promising electrocatalysts for sustainable energy conversion. However, the development of 2D superlattices has been largely confined to self‐assembled layered structures, and it remains a great challenge to rationally design the distances between neighboring metal sites at the atomic level to match the adsorption configurations of key species in the target reaction pathways. In this work, a general strategy is reported for synthesizing Ru metallene nanobelts (Ru‐ene) in‐plane superlattices using molten salts as space‐confined growth templates. The fabricated Ru‐ene superlattices consist of Ru atom pairs separated by atomic‐level distance periodicity of 0.32 nm and a high density of active sites. Both experiments and DFT calculations show that the Ru‐ene superlattices structure enhances the adsorption of H2O and accelerates the desorption of H*. The Ru‐ene superlattices exhibits excellent hydrogen evolution reaction (HER) performance with a small overpotential (η10 = 50 mV), a low Tafel slope (42.38 mV dec−1), as well as good long‐term stability. This work not only provides a new method for constructing in‐plane superlattices materials, but also establishes an intrinsic mechanistic correlation between the atomic distance, ΔGH* of H‐adsorption, and the HER performance.
From Na to K‐Based Prussian Blue: A Path Toward Cathode Materials for Extreme Environment
Authors: Xu Zheng , Liu Shuangyu , Xie Jian , Zhou Aijun , Jiang Jicheng , Li Yinda , Lu Yunhao , Nie Yang , Xu Xiongwen , Tu Jian , Xu Bo , Zhang Peng , Zhao Xinbing 
Published: January 2025

AbstractPrussian blue (PB) is regarded as a promising host for Na or K storage because of its sustainable precursor elements (e.g., Mn, Fe) and open framework structure. However, unstable structure, high crystal H2O content, and risky HCN generation restrain its practical applications. In this work, after systematical investigation of structural evolution from Na‐based to K‐based PB and its relationship with electrochemical properties, it is clarified that low crystal water content, high K content, and trace Na doping are essential for a robust structure and stable cycling of PB. It is found that a trace Na‐doped K‐based PB exhibits comprehensive properties of low crystal water content (3.2 wt%), high thermal stability (over 340 °C), and superior cycling stability (84.3% after 6300 cycles at 5 C). Besides, the PB can also present stable cycling under harsh conditions, such as with intermittent‐overcharge/overdischarge steps (4.8 V/1.2 V, 93.3% after 2100 cycles at 5 C), in a wide voltage range (93.2% after 1000 cycles at 1.5‒4.5 V/5 C), under a high rate (83.7% after 4350 cycles at 10 C), and at a high temperature (92.0% after 1650 cycles at 45 °C/1 C). The superior electrochemical properties are attributed to its structural robustness even under harsh conditions.
P5+‐ Enhanced Novel Samarium Niobate Ultralow‐Loss Microwave Ceramics as Dielectric Resonator for X‐Band Antenna Applications
Authors: Wu Fang‐Fang , Sun Ruixin , Du Chao , Xu Diming , Jin Biao‐Bing , Li Chun , Jantunen Heli , Zhou Di 
Published: January 2025

AbstractHigh efficiency, high frequency, high selectivity characteristics and low latency of dielectric resonator antennas (DRA) for high frequency are challenges which must be addressed simultaneously in 5G communication. To overcome these difficulties, new Sm(Nb1−xPx)O4 (SNP@x, 0.1 ≤ x ≤ 0.4) ceramics are prepared and demonstrated that P5+ effectively enhances microwave dielectric properties. Reduction of permittivity (ɛr) was co‐dominated by the ionic polarizability of P5+ and the secondary phase SmPO4 with low ɛr. Quality factor (Q × f) was governed by two factors. Firstly, the secondary phase curbs micro‐crack generation and propagation, thwarts electron migrationand diminishes leakage conduction loss. Secondly, the increased binding energy of P 2p enhances the electron binding by the nucleus, reduces the mechanism. High frequency selectivity (Q × f = 93,900 GHz) was obtained in Sm(Nb0.7P0.3)O4 (SNP@0.3) ceramic. Additionally, a cylindrical dielectric resonator antenna (CDRA) operating in the X‐band was designed and fabricated using ultra‐low SNP@0.3 ceramic and a Rogers substrate, achieved a high gain (4.8 – 6.0 dBi) and efficiency (>90%) in the bandwidth region (10.903 – 11.482 GHz), improving the transmission and communication quality in communication system. This work expedites the evolution of dielectric ceramic and dielectric resonator antennas in high‐frequency communications.
Hydrogen Spillover Enabled by Edge Dislocations for Efficient Hydrogen Evolution
Authors: Han Chunyan , Cheng Chuanqi , Lv Wenxuan , Xiao Liyang , Zhang Jingqian , Zhao Yao , Ma Zi‐ang , Liu Zhanwei , Wang Jingjing , Yun Qinbai , Zhang Rui , Dong Cunku , Liu Hui , Yin Peng‐Fei , Du Xi‐Wen , Yang Jing 
Published: January 2025

AbstractDesigning an efficient alkaline hydrogen evolution reaction (HER) catalyst requires enhanced hydrogen adsorption to facilitate water dissociation while noting that this would be detrimental to H2 desorption. Although hydrogen spillover‐assisted HER has been emerging as a promising strategy due to separated active sites for water dissociation and hydrogen formation enabled by heterogeneous catalysts, interfacial charge accumulation, and strong interfacial proton adsorption would hinder proton transfer due to a high energy barrier. Herein, a novel strategy to realize hydrogen spillover‐assisted HER enabled by edge dislocations of Mo2C catalyst is presented. The coupled tensile‐compressive strain regions induced by edge dislocations serve as nano‐reactors for HER. The Volmer process is greatly enhanced by strong water adsorption and efficient *H2O dissociation in the tensile regions, meantime the generated *H rapidly transfers to the compressive regions for easy hydrogen molecule release. As a result, the edge dislocation‐rich catalyst achieves a low overpotential of only 61 and 179 mV at 10 and 300 mA cm−2, showcasing a new way to apply hydrogen spillover in single‐phase catalysts and offering potential for developing cost‐effective and efficient HER catalysts.
A Special Issue Dedicated to the 25th Anniversary of Centre of Super‐Diamond and Advanced Films (COSDAF), the City University of Hong Kong (CityUHK)
Authors: Zhang Qichun , Hong Guo , Zhang Wenjun , Lee Chun Sing 
Published: January 2025

AbstractThis special issue celebrates the 25th Anniversary of the Centre of Super‐Diamond and Advanced Films (COSDAF) at the City University of Hong Kong (CityUHK), coinciding with the 30th anniversary of CityUHK. It showcases the research contributions of both current staff and former members of COSDAF. Established in 1998 by Prof. Shuit‐Tong Lee, COSDAF serves as a university‐level research center, bringing together academic experts from various disciplines focused on semiconductor nanomaterials, nano‐organic light‐emitting displays, diamond technologies, and advanced nano‐coatings. Since its inception, COSDAF has trained over 450 PhD students and postdoc fellows, many of them now serve as faculty members and leading researchers in various universities, research institutes, and industries worldwide. Additionally, COSDAF has cultivated strong collaboration with high‐tech local industries, providing training and resources for research staff and students. This has established an important platform that bridges the gap between academia and industry.
Delivery of Islatravir via High Drug‐Load, Long‐acting Microarray Patches for the Prevention or Treatment of Human Immunodeficiency Virus
Authors: Anjani Qonita Kurnia , Johnson Ashley R. , Sabri Akmal H. , Lutz Ryan , Tignor Steven , Ballard Jeanine , Rudd Nathan , Zhao Li , Vora Lalitkumar K. , Barrett Stephanie E. , Wagner Angela , Donnelly Ryan F. 
Published: January 2025

AbstractThis research focuses on developing and characterizing islatravir‐loaded dissolving microarray patches (MAPs) to provide an effective, minimally invasive treatment option for human immunodeficiency virus (HIV‐1) prevention and treatment. The research involves manufacturing these MAPs using a double‐casting approach, and conducting in vitro and in vivo evaluations. Results show that the MAPs have excellent needle fidelity, structural integrity, and mechanical strength. in vitro studies demonstrate that the MAPs can penetrate skin up to 580 µm and dissolve within 2 hours. Permeation studies reveal that the delivery efficiency of islatravir across the skin is around 40%. In rodent models, these dissolving MAPs sustain islatravir delivery for up to 3 months. Scaling up the MAPs and increasing drug loading produced detectable levels in minipig. Projections from animal data suggest that these dissolving MAPs can achieve effective islatravir levels for a month after a single application in humans. These findings indicate dissolving MAPs as a minimally invasive approach to sustained release of islatravir.
A Spiro‐Based NIR‐II Photosensitizer with Efficient ROS Generation and Thermal Conversion Performances for Imaging‐Guided Tumor Theranostics
Authors: Jin Yu‐Kun , Xu Kang , Ren Bao‐Yi , Shao Jinjun , Ou Chang‐Jin , Xie Ling‐Hai 
Published: January 2025

AbstractOrganic photosensitizers (PSs) possessing NIR‐II emission and photodynamic/photothermal effect have received a great sense of attention for their cutting‐edge applications in imaging‐guided multimodal phototherapy. However, it is highly challenging to design efficient PSs with high luminescence and phototherapy performance simultaneously. In this study, a spiro‐functionalization strategy is proposed to alleviate aggregate‐caused quenching of PSs and promote photodynamic therapy, and the strategy is verified via a spiro[fluorine‐9,9ʹ‐xanthene]‐modified NIR‐II PS (named SFX‐IC) with an acceptor–donor–acceptor configuration. SFX‐IC‐based nanoparticles (NPs) display a high molar extinction coefficient of 7.05 × 104 m‒1 cm−1 at 645 nm due to strong intramolecular charge‐transfer characteristics. As expected, the as‐prepared NPs show strong NIR‐II emission with a fluorescence quantum yield of 1.1%, thanks to the spiro‐configuration that suppressing excessively intermolecular π–π stacking. Furthermore, SFX‐IC NPs not only efficiently generate 1O2 and O∙−2 under 660 nm laser irradiation, but also possess good photothermal effect with photothermal conversion efficiency of 47.14%. Consequently, SFX‐IC NPs can be served as versatile phototheranostic agents for NIR‐II fluorescence/photoacoustic imaging‐guided phototherapy, manifesting that the spiro‐functionalized strategy is a powerful tool to construct efficient NIR‐II emitting PSs.
Quantum Dot Luminescence Microspheres Enable Ultra‐Efficient and Bright Micro‐LEDs
Authors: Gong Ting , Xuan Tongtong , Bai Wenhao , Dong Haorui , Huang Kai , Xie Rong‐Jun 
Published: January 2025

AbstractQuantum dot (QD)‐converted micrometer‐scale light‐emitting diodes (micro‐LEDs) are regarded as an effective solution for achieving high‐performance full‐color micro‐LED displays because of their narrow‐band emission, simplified mass transfer, facile drive circuits, and low cost. However, these micro‐LEDs suffer from significant blue light leakage and unsatisfactory electroluminescence properties due to the poor light conversion efficiency and stability of the QDs. Herein, the construction of green and red QD luminescence microspheres with the simultaneously high conversion efficiency of blue light and strong photoluminescence stability are proposed. These luminescence microspheres exhibit high external photoluminescence quantum yields exceeding 46% under 450 nm excitation, along with excellent reliability against blue light, heat, and water‐oxygen degradation, owing to the waveguide and spatial confinement effects of the microspheres. The microsphere‐based green and red micro‐LEDs achieve world‐record external quantum efficiencies of 40.8% and 22.1%, respectively, and high brightness values of 1.7 × 108 and 7.6 × 107 cd m−2, respectively. Finally, 0.6 inch red, green, and blue monochrome micro‐LED displays are demonstrated by integrating microsphere‐converted micro‐LED arrays with thin‐film transistor backplanes, which show a pixel resolution as high as 1700 PPI and brightness exceeding 10 000 cd m−2.
A Universal Therapeutic Vaccine Leveraging Autologous Pre‐Existing Immunity to Eliminate in Situ Uniformly Engineered Heterogeneous Tumor Cells
Authors: Wu Fuhua , Guo Zhaofei , Yang Jialiang , Ou Yangsen , Xie Xiejin , Liao Hu , Guo Chenqi , Zhan Yuxi , Wu Haiping , Hu Rui , Xu Yanhua , Tang Xue , Wang Haolin , Ye Lin , He Penghui , He Chunting , Huang Lu , Luo Shuang , Sun Xun , Yang Zhenglin 
Published: January 2025

AbstractTumor vaccines that activate the autologous immune system to eliminate tumor cells represent a promising approach in cancer immunotherapy. However, challenges such as tumor heterogeneity, limited antigen selection, insufficient antigen presentation, and the slow onset of de novo immune responses have resulted in poor universality and suboptimal response rates. In contrast, pathogen‐specific pre‐existing immunity acquired through infection or vaccination, can rapidly generate a more potent and enduring immune response upon re‐encounter with the same antigen. Here, an adeno‐associated virus (AAV)‐based therapeutic vaccine capable of genetically modifying diverse tumor cells to uniformly overexpress and efficiently present the highly immunogenic transmembrane SARS‐CoV‐2 receptor binding domain (RBD), and to release RBD‐enveloped virus‐like particles, which awaken and enhance the RBD‐specific pre‐existing immunity, leading to significant tumor remission, is engineered. Mechanistically, this therapeutic vaccine leverages the robust RBD‐specific pre‐existing immunity and heightened antibody‐mediated phagocytosis to eliminate engineered tumor cells while inducing antigen spreading, thereby provoking a more diverse tumor‐specific cellular immune responses. Notably, widespread administration of vaccines against various pathogens has provided a versatile pool of pre‐existing immunity that can be redirected to eradicate tumors. These findings offer a novel perspective on overcoming the limitations posed by tumor heterogeneity and personalized medicine.
Untethered Soft Robots Based on 1D and 2D Nanomaterials
Authors: He Jingwen , Huang Peng , Li Bingjue , Xing Youqiang , Wu Ze , Lee Tung‐Chun , Liu Lei 
Published: January 2025

AbstractBiological structures exhibit autonomous and intelligent behaviors, such as movement, perception, and responses to environmental changes, through dynamic interactions with their surroundings. Inspired by natural organisms, future soft robots are also advancing toward autonomy, sustainability, and interactivity. This review summarizes the latest achievements in untethered soft robots based on 1D and 2D nanomaterials. First, the performance of soft actuators designed with different structures is compared. Then, the development of basic locomotion forms, including crawling, jumping, swimming, rolling, gripping, and multimodal, mimicking biological motion mechanisms under dynamic stimuli, is discussed. Subsequently, various self‐sustained movements based on imbalance mechanisms under static stimuli are introduced, including light tracking, self‐oscillating, self‐crawling, self‐rolling, and flying. Following that, the progress in soft actuators integrated with additional functionalities such as sensing, energy harvesting, and storage is summarized. Finally, the challenges faced in this field and the prospects for future development are discussed.
Microglial‐Biomimetic Memantine‐Loaded Polydopamine Nanomedicines for Alleviating Depression
Authors: Jiang Chaoqing , Yang Xiao , Huang Qianqian , Lei Ting , Luo Hang , Wu Dongxu , Yang Zixiao , Xu Yanyan , Dou Yikai , Ma Xiaohong , Gao Huile 
Published: January 2025

AbstractDepression is a common psychiatric disorder, and monoamine‐based antidepressants as first‐line therapy remain ineffective in some patients. The synergistic modulation of neuroinflammation and neuroplasticity could be a major strategy for treating depression. In this study, an inflammation‐targeted microglial biomimetic system, PDA‐Mem@M, is reported for treating depression. Microglial membrane‐coated nanoparticles penetrate the blood‐brain barrier and facilitate microglial targeting. Subsequently, owing to the excellent free radical‐scavenging capacity, PDA‐Mem@M attenuate the brain inflammatory microenvironment. After on‐demand release from the nanoparticles, memantine increases the expression of brain‐derived neurotrophic factors and reverses the loss of synaptic dendritic spines. Further, in vivo studies demonstrate that PDA‐Mem@M effectively alleviate depression‐like behaviors to a greater extent than memantine or polydopamine nanoparticles (PDA) monotherapy. This synergistic strategy, with satisfactory biosafety and strong anti‐inflammatory and synaptic plasticity restoration effects, is conducive to advances in depression therapy.
All Light Controlled Five State Logic Gates on a Ferroelectric Ceramic Chip
Authors: Wang Lu , He Xiang , Chen Chen , Yi Zhiguo 
Published: January 2025

AbstractDifferentiating photoelectric response in a single material with a simple approach is desirable for all‐in‐one optoelectronic logical devices. In ferroelectric materials, significantly distinct photoelectric features should be observed if they are in diverse polarization states, unveiling a possible pathway to realize multifunctional optoelectronic logic gates through ferroelectric polarization design. In this study, the Ti3+ self‐doping strategy is first applied to 0.5Ba(Zr0.2Ti0.8)O3‐0.5(Ba0.7Ca0.3)TiO3 ferroelectric ceramics (BZT‐BCT‐xT) through co‐firing metallic Ti powders and BZT‐BCT powders to enhance photoelectric output. Subsequently, on the BZT‐BCT‐3T ceramic surface that has optimal photoelectric properties, three individual regions are separated and heterogeneously polarized by using a novel planar three‐electrodes structure. Intriguing illumination region‐dependent photocurrent directions are demonstrated in this as‐fabricated device. Based on this, five basic optoelectronic logic gates are integrated into single ferroelectric ceramic via fully light‐controlled methods, including “AND”, “OR”, “NOT”, “NAND” and “NOR”. These gates can be readily switched by simply altering the output electrodes or light intensity of 405 nm LED modulating light. This work not only puts forward an innovative strategy for designing ferroelectric optoelectronic logic gates, but also provides feasibility for more ferroelectric materials to be applied in logical devices.
Supramolecular Organic Nanofiller: A New Reinforcement Strategy for Dynamic Covalent Polymer Networks Toward Upcycling of Carbon Fiber Composites
Authors: Zhang Zhipeng , Qian Lu , Hu Dandan , Zhang Bin , Ma Chunfeng , Zhang Guangzhao 
Published: January 2025

AbstractDynamic covalent polymer networks (DCPN) provide an important solution to the challenging recyclability of thermoset elastomers. However, dynamic bonds exhibit relatively weak bond energies, considerably decreasing the mechanical properties of DCPN. Herein, a novel reinforcement strategy for DCPN involving the in situ formation of supramolecular organic nanofillers through asynchronous polymerization is proposed. Owing to the difference in the reactivity of the isocyanate groups and the gradual deblocking of aldimine, asynchronous cross‐linking of hexamethylene diisocyanate and isocyanate‐terminated prepolymer containing dynamic oxime–urethane bonds with the deblocked tris(2‐aminoethyl)amine facilitates the transition from the molecular interpenetration of chains into immiscible polymerization. This results in thermodynamic incompatibility between the hyperbranched clusters and long chains, inducing a spontaneous formation of supramolecular organic nanofillers. Compared to traditional reinforcement strategies, supramolecular organic nanofillers considerably improve the mechanical properties of DCPN. Furthermore, the supramolecular interactions between hyperbranched clusters and dynamic oxime–urethane bonds enable the network with excellent recyclability. The unique reinforcement and recyclability of the prepared DCPN allow their combination with carbon fibers (CF) to form CF composites with outstanding properties for personal‐protection applications, achieving CF composite upcycling. This study offers a novel strategy on the reinforcement of DCPN and the upcycling of high‐performance CF composites.
Engineering EVs‐Mediated mRNA Delivery Regulates Microglia Function and Alleviates Depressive‐Like Behaviors
Authors: Ge Kezhen , Bai Zetai , Wang Jiwei , Li Zheng , Gao Fenfang , Liu Sangni , Zhang Ling , Gao Fenglei , Xie Chunming 
Published: January 2025

AbstractThe development of new non‐neurotransmitter drugs is an important supplement to the clinical treatment of major depressive disorder. The latest development of mRNA therapy provides the possibility for the treatment of some major diseases. The endoplasmic reticulum (ER) and mitochondria constitute a highly interconnected set of fundamental organelles within cells. The interconnection between them forms specific microdomains that play pivotal roles in calcium signaling, mitochondrial dynamics, inflammation, and autophagy. Perturbations in ER‐mitochondrial connections may contribute to the progression of neurological disorders and other diseases. Herein, an extracellular vesicles‐based delivery system, grounded in mRNA gene therapy and integrated with nanomedicine technology is devised. This system is engineered to traverse the blood–brain barrier and specifically target the central nervous system (CNS), facilitating the simultaneous delivery of mRNA drugs and metallic nanozymes into the brain. This dual‐pronged approach, targeting ER and mitochondrial crosstalk, inhibits microglial overactivation, promotes M2 polarization of microglia, and suppresses the NF‐κB signaling pathway. Consequently, it significantly alleviates Lipopolysaccharides‐induced neuroinflammatory responses and ameliorates anxiety‐ and depression‐like behaviors. This study demonstrates a novel antidepressant therapeutic strategy and establishes a new paradigm for mRNA gene therapy in CNS diseases.
Deploying Partially Cross‐Linked Elastomers to Optimize Adhesion for Long‐Term Surface Electromyography Electrodes
Authors: Wang Yuqi , Wang Xi , Sandsjö Leif , Liu Xuqing , Guo Li 
Published: January 2025

AbstractElectrophysiological signals generated during daily activities are essential for monitoring and diagnosing various health conditions. Traditionally, Ag/AgCl electrodes with conductive gels have been used to capture these signals, recording them as electrocardiogram (ECG) and electromyogram (EMG). However, gelled electrodes glued to the skin presents challenges related to placement and are uncomfortable to wear for extended recordings. Recent studies have made significant advancements in dry electrodes for electrophysiological signals, mainly focusing on ECG applications with less emphasis on surface EMG (sEMG). To address this gap, this study introduces a novel set of skin‐friendly electrodes made from a blend of conductive carbon black (CB) and partially cross‐linked Ecoflex substrates. By varying the proportions of Ecoflex components A and B, a balance between adequate adhesion and electromechanical properties for good skin contact and long‐term usabi is achieved, owing to the formation of silanol bonds. The CB‐Ecoflex electrodes have been tested through over 50 wash cycles and 100 peel‐offs, demonstrating strong durability and use resilience. Additionally, they maintain good recording conditions for 48 h and when sweat and oil are introduced on the skin. These electrodes consistently deliver reliable performance in 48‐h continuous sEMG recordings, making them suitable for long‐term applications.