bluuebunny/crossref_metadata_2025_split huggingface dataset:
Flagellar Propulsion of Sperm Cells Against a Time‐Periodic Interaction Force
Authors: Wang Zihan , Klingner Anke , Magdanz Veronika , Hoppenreijs Merijn W. , Misra Sarthak , Khalil Islam S. M. 
Published: October 2022

AbstractSperm cells undergo complex interactions with external environments, such as a solid‐boundary, fluid flow, as well as other cells before arriving at the fertilization site. The interaction with the oviductal epithelium, as a site of sperm storage, is one type of cell‐to‐cell interaction that serves as a selection mechanism. Abnormal sperm cells with poor swimming performance, the major cause of male infertility, are filtered out by this selection mechanism. In this study, collinear bundles, consisting of two sperm cells, generate propulsive thrusts along opposite directions and allow to observe the influence of cell‐to‐cell interaction on flagellar wave‐patterns. The developed elasto‐hydrodynamic model demonstrates that steric and adhesive forces lead to highly symmetrical wave‐pattern and reduce the bending amplitude of the propagating wave. It is measured that the free cells exhibit a mean flagellar curvature of 6.4 ± 3.5 rad mm‐1 and a bending amplitude of 13.8 ± 2.8 rad mm‐1. After forming the collinear bundle, the mean flagellar curvature and bending amplitude are decreased to 1.8 ± 1.1 and 9.6 ± 1.4 rad mm‐1, respectively. This study presents consistent theoretical and experimental results important for understanding the adaptive behavior of sperm cells to the external time‐periodic force encountered during sperm–egg interaction.
Immunocyte‐Derived Nanodrugs for Cancer Therapy
Authors: Zhu Xiao‐Yu , Wang Tian‐Yu , Jia Hao‐Ran , Wu Fu‐Gen 
Published: October 2022

AbstractRecent years have witnessed the rapid development of the biomimetic nanotechnology regarding the use of certain components (such as cell membranes, extracellular vesicles, proteins, etc.) derived from different cells to fabricate nanoparticles (NPs) for cancer treatment. These biomimetic NPs usually inherit certain abilities from their parental cells, such as long blood circulation, capacity to escape from mononuclear phagocytic system, active tumor‐targeting, and controlled drug release. Immunocytes play vital roles in different tumor progression stages, and can quickly and accurately react to tumor progression via specific targeting and immune surveillance. Therefore, increasing studies focus on constructing biomimetic NPs with components isolated from immunocytes. This review introduces four main types of immunocyte‐derived nanodrugs—membrane‐coated NPs, exosomes or extracellular vesicles, functional protein‐incorporated NPs, and exosome mimetics—and summarizes the recent advances of these nanodrugs for cancer therapy. Some current challenges and future research directions of immunocyte‐derived nanodrugs are also proposed. It is hoped that this review may help researchers in the related field to design new immunocyte‐derived nanomedicines and promote their preclinical and clinical applications in the near future.
Metal‐Organic Frameworks and Electrospinning: A Happy Marriage for Wastewater Treatment
Authors: Ahmadijokani Farhad , Molavi Hossein , Bahi Addie , Fernández Roberto , Alaee Parvin , Wu Siying , Wuttke Stefan , Ko Frank , Arjmand Mohammad 
Published: October 2022

AbstractMetal‐organic frameworks (MOFs), an emerging class of porous organic‐inorganic hybrid materials, have shown great potential for water and wastewater treatment applications. However, pure MOF powders have limited practical applications in water treatment due to their insolubility, poor processability, brittleness, safety hazard from dust formation, and difficult separation from aqueous solutions. Thus, exploring potential MOFs composites with improved separation performance is of great importance. The marriage of MOFs with electrospun nanofiber with forethought into the final product's morphology, structure, and chemistry has opened up new opportunities for efficient wastewater treatment. The present review exhaustively summarizes the strategies to integrate MOFs into nanofibers via electrospinning to remove various pollutants (i.e., organic dyes, heavy metal ions, pharmaceuticals, personal care products, oily compounds, organic solvents, etc.) via adsorption, photodegradation, and membrane filtration. Besides, the most recent advances of electrospun MOF nanofibers for wastewater treatment and their current challenges and future outlook are delineated.
Ultraductile Cementitious Structural Health Monitoring Coating: Waterborne Polymer Biomimetic Muscle and Polyhedral Oligomeric Silsesquioxane‐Assisted C‐S‐H Dispersion
Authors: Pang Bo , Jin Zuquan , Zhang Yunsheng , Liu Zhiyong , She Wei , Wang Penggang , Yu Yong , Zhang Xiaoying , Xiong Chuansheng , Li Ning , Sun Guowen , Zhao Peng , Liu Guojian , Song Xiaoyun , Gao Song 
Published: October 2022

AbstractCement‐based sensors (CBSs) have demonstrated potential in structural health monitoring (SHM) despite rare applications due to their poor flexibility and sensing accuracy/protection with robustness. Herein, a promising strategy is reported to design a waterborne epoxy resin (WEP)‐modified cement‐based composite coating sensorcapable of simultaneous stable SHM and durable protection. The interpenetrating network (IPN) formed by WEP within cement paste is bionic to the toughness and crack resistance of biological muscle tissue and balances the ion permeation performance and polarization of hydration products. The polymerization‐redispersion progress and mechanism of calcium silicate hydrate (C‐S‐H) gel modified with [3‐(2‐aminoethylamino)‐propyl]trimethoxysilane silsesquioxane (C‐POSS) are characterized and revealed. The results show that the muscle‐like IPN increases the cement‐based coatings’ maximum deflection angle to 30° and improves the monitoring accuracy of compressive, tensile, and fatigue microchanges of concrete structures to more than 95%. The POSS···Ca2+···C‐S‐H interaction in C‐POSS partially transferred the intra‐adhesive hydrogen bonds surrounding the nanoconducer into electrostatic bridging ones to maintain an excellent electromechanical conductive dispersion.
Scalable Assembly of High‐Quality Graphene Films via Electrostatic‐Repulsion Aligning
Authors: Qian Wei , Fu Huaqiang , Sun Yi , Wang Zhe , Wu Han , Kou Zongkui , Li Bao‐Wen , He Daping , Nan Ce‐Wen 
Published: October 2022

AbstractAssembling pristine graphene into freestanding films featuring high electrical conductivity, superior flexibility, and robust mechanical strength aims at meeting the all‐around high criteria of new‐generation electronics. However, voids and defects produced in the macroscopic assembly process of graphene nanosheets severely degrade the performance of graphene films, and mechanical brittleness often limits their applications in wide scenarios. To address such challenges, an electrostatic‐repulsion aligning strategy is demonstrated to produce highly conductive, ultraflexible, and multifunctional graphene films. Typically, the high electronegativity of titania nanosheets (TiNS) induces the aligning of negatively charged graphene nanosheets via electrostatic repulsion in the film assembly. The resultant graphene films show fine microstructure, enhanced mechanical properties, and improved electrical conductivity up to 1.285 × 105 S m−1. Moreover, the graphene films can withstand 5000 repeated folding without structural damage and electrical resistance fluctuation. These comprehensive improved properties, combined with the facile synthesis method and scalable production, make these graphene films a promising platform for electromagnetic interference (EMI) shielding and thermal‐management applications in smart and wearable electronics.
MXene‐Boosted Imine Cathodes with Extended Conjugated Structure for Aqueous Zinc‐Ion Batteries
Authors: Wang Xiaoshuang , Liu Yanan , Wei Zengyan , Hong Jingzhe , Liang Hongbo , Song Meixiu , Zhou Yu , Huang Xiaoxiao 
Published: October 2022

AbstractOrganic molecules have been considered promising energy‐storage materials in aqueous zinc‐ion batteries (ZIBs), but are plagued by poor conductivity and structural instability because of the short‐range conjugated structure and low molecular weight. Herein, an imine‐based tris(aza)pentacene (TAP) with extended conjugated effects along the CN backbones is proposed, which is in situ injected into layered MXene to form a TAP/Ti3C2Txcathode. Theoretical and electrochemical analyses reveal a selective H+/Zn2+co‐insertion/extraction mechanism in TAP, which is ascribed to the steric effect on the availability of active CN sites. Moreover, Ti3C2Tx, as a conductive scaffold, favors fast Zn2+diffusion to boost the electrode kinetics of TAP. Close electronic interactions between TAP and Ti3C2Txpreserve the structural integrity of TAP/Ti3C2Txduring the repeated charge/discharge. Accordingly, the TAP/Ti3C2Txcathode delivers a high reversible capacity of 303 mAh g−1at 0.04 A g−1in aqueous ZIBs, which also realizes an ultralong lifetime over 10 000 cycles with a capacity retention of 81.6%. Furthermore, flexible Zn||TAP/Ti3C2Txbatteries with a quasi‐solid‐state electrolyte demonstrate potential application in wearable electronic devices. This work offers pivotal guidance to create highly stable organic electrodes for advanced ZIBs.
Spontaneous Interface Healing by a Dynamic Liquid‐Crystal Transition for High‐Performance Perovskite Solar Cells
Authors: Du Xinyi , Zhang Lu , Chen Ran , You Jiaxue , Ma Yabin , Wang Jungang , Wu Yin , Liu Baibai , Zhao Kui , Chen Jiangzhao , Chen Xinbing , An Zhongwei , Liu Shengzhong (Frank) 
Published: October 2022

AbstractLow‐temperature solution processing of thin‐film semiconductors is more cost‐effective than traditional vacuum processing; however, it leads to more defects during fast bulk crystallization and residual tensile stress. Herein, a new strategy of dynamic liquid‐crystal transition (DLCT) is developed to solve these problems in one step. The design principle is used to suggest that the DLCT molecule should firstly interact with the perovskite grains in the bulk and meanwhile go through a dynamic transition to spontaneously heal the interface. A thermotropic LC molecule (CBO6SS6OCB) is then designed to demonstrate the strategy. The LC interacting with perovskite colloid forms an intermediate adduct to retard the crystallization. The annealing processes stimulate the concentrated LC solid, causing it to flow to the electron transport layer to release the residual stress to attain improved electron extraction. Consequently, the device efficiency is increased to 24.38%, where its VOC of 1.184 V is among the best for the formamidine‐based perovskite solar cells. Furthermore, the ambient stability (93.0% of initial efficiency after 2000 h of aging) and light stability (96.3% of initial efficiency after 500 h of aging) are much improved. This work conceives a new engineering of additive phase transition for high‐performance perovskite solar cells.
Fullerene‐Based Inverted Perovskite Solar Cell: A Key to Achieve Promising, Stable, and Efficient Photovoltaics
Authors: Zahran Raneen , Hawash Zafer 
Published: October 2022

AbstractFullerene is one of the most critical materials that are widely used to improve and examine the inverted perovskite solar cells (PSCs, p‐i‐n structure). Fullerenes are known to improve the stability, lower the hysteresis, and increase the power conversion efficiency of the PSCs. Fullerene and its derivatives are often used in constructing effective PSCs. Several properties and performance of fullerenes are the key bases for testing and making effective alternatives that can improve the performance of PSCs. This review summarizes some of the most important fullerenes (i.e., fullerene and its derivatives) that are employed in inverted (p‐i‐n) PSCs and their physical properties that can overcome the well‐known shortcomings in perovskite materials. The current density–voltage hysteresis in PSC and the fullerenes role in lowering the hysteresis are discussed. Moreover, fullerenes are also reviewed as electron transport layer, cathode buffer layer, and additives for perovskites. Enhanced stability by using fullerene derivatives is illustrated. Additionally, fullerenes in flexible and tandem PSCs as well as advantages and disadvantages of fullerenes are briefly discussed. Finally, an overview of the fullerene future in PSCs is discussed with alternative nonfullerene materials used in PSC.
NiS2/MoS2 Hetero‐Nanosheets Grown on Double‐Layered Hollow Carbon Nanospheres for Enhanced Hydrogen Evolution Reaction
Authors: Luan Xinxin , Zhu Kaili , Wang Chuanjie , Shi Wenbin , Szymska Alicja , Matras‐Postolek Katarzyna , Yang Ping 
Published: October 2022

AbstractTo obtain catalysts with high hydrogen evolution reaction (HER) activity and low initial potential, NiS2/MoS2 composite nanosheets are grown on double‐layer hollow carbon spheres (DLHCs@NiS2/MoS2) by a template method including calcination and hydrothermal processes. DLHCs as excellent electrocatalytic substrates reveal large specific surface area, high conductivity, and much more attachment sites. The DLHCs as the substrate greatly reduce the aggregation of MoS2 nanosheets, which reveal more active sites and excellent activity of hydrogen production. The result indicates that MoS2 nanosheets have high catalytic activity under acidic conditions and low catalytic activity under alkaline conditions. Furthermore, layered NiS2/MoS2 heterojunctions are created in site on DLHCs by a two‐step hydrothermal procedure. The resulting sample exhibits low overpotential and high HER activity both in acidic and alkaline conditions. Using optimized preparation conditions, sample DLHCs@NiS2/MoS2‐6 reveal enhanced HER activity in a broad pH range. The onset potentials are 159 and 139 mV at 1 mA cm2 in acidic and alkaline conditions, respectively. The formation of DLHCs@NiS2/MoS2 composites provides an efficient way to develop catalysts for water splitting.
Terahertz Spin‐to‐Charge Current Conversion in Stacks of Ferromagnets and the Transition‐Metal Dichalcogenide NbSe2
Authors: Nádvorník Lukáš , Gueckstock Oliver , Braun Lukas , Niu Chengwang , Gräfe Joachim , Richter Gunther , Schütz Gisela , Takagi Hidenori , Zeer Mahmoud , Seifert Tom S. , Kubaščík Peter , Pandeya Avanindra K. , Anane Abdelmadjid , Yang Heejun , Bedoya‐Pinto Amilcar , Parkin Stuart S. P. , Wolf Martin , Mokrousov Yuriy , Nakamura Hiroyuki , Kampfrath Tobias 
Published: October 2022

AbstractTransition‐metal dichalcogenides (TMDCs) are an aspiring class of materials with unique electronic and optical properties and potential applications in spin‐based electronics. Here, terahertz emission spectroscopy is used to study spin‐to‐charge current conversion (S2C) in the TMDC NbSe2 in ultra‐high‐vacuum‐grown F|NbSe2 thin‐film stacks, where F is a layer of ferromagnetic Fe or Ni. Ultrafast laser excitation triggers an ultrafast spin current that is converted into an in‐plane charge current and, thus, a measurable THz electromagnetic pulse. The THz signal amplitude as a function of the NbSe2 thickness shows that the measured signals are fully consistent with an ultrafast optically driven injection of an in‐plane‐polarized spin current into NbSe2. Modeling of the spin‐current dynamics reveals that a sizable fraction of the total S2C originates from the bulk of NbSe2 with the opposite, negative sign of the spin Hall angle as compared to Pt. By a quantitative comparison of the emitted THz radiation from F|NbSe2 to F|Pt reference samples and the results of ab initio calculations, it is estimated that the spin Hall angle of NbSe2 for an in‐plane polarized spin current lies between ‐0.2% and ‐1.1%, while the THz spin‐current relaxation length is of the order of a few nanometers.
Porous Graphene‐Based Photothermal Superhydrophobic Surface for Robust Anti‐Icing and Efficient De‐Icing
Authors: Wang Lu , Li Jingxing , Chen Zhaochuan , Song Zitao , Meng Xin , Chen Xuemei 
Published: October 2022

AbstractThe problem of ice accumulation causes huge inconvenience in daily life and industrial application. Although superhydrophobic surfaces are promising for preventing ice formation, they may become ineffective in extreme environments. Here, a durable photothermal superhydrophobic surface on aluminum substrate (SHPo‐LIG@Al) is prepared through laser‐induced graphene (LIG) technology of polyimide (PI). Owing to the photothermal effect of graphene, the surface exhibits high light absorption rate (≈98%) and efficient photothermal conversion (surface temperature rises to 65 °C within 15 min under 1 sun). Compared to the conventional superhydrophobic surface (SHPo‐Al), ultra‐long droplet freezing time or even droplet un‐frozen is achieved on SHPo‐LIG@Al surface by varying the sunlight intensity. Moreover, it is interesting to find that satellite condensate droplets are formed around the three‐phase contact line of deposited droplet under 1 sun or 2 sun; the satellite condensate droplets would gradually evaporate till disappear and then bubbles start to nucleate on solid surface underneath the deposited droplet under 2 sun. Furthermore, the SHPo‐LIG@Al surface exhibits retarded frost formation and remarkable de‐icing/de‐frosting durability under sunlight irradiation, as well as self‐cleaning, chemical stability and corrosion resistance. This study may provide important insights for the development of photothermal superhydrophobic surface for anti‐icing/de‐icing applications.
Double‐Layer Structural Compatible Protective Material with Excellent Microwave Absorption and Heat Shielding Performance
Authors: Wang Ziyu , Pang Huifang , Lei Hao , Wang Meng , Duan Yuping 
Published: October 2022

AbstractIn view of the practical demands and mechanistic conflicts between microwave absorption and heat shielding compatibility, a double‐layer composite coating based on moth‐eyed hexagonal anti‐reflective structure is prepared by combining the advantages of metamaterials and coatings. The hexagonal periodic sequential configuration of the upper infrared shield layer (IRSL) can break the continuity of the electric field, induce a networked concentration of the surface current and internal electric field of the microwave absorption layer, thus optimizing the impedance matching and counteract the attenuated absorption performance due to the high dielectric IRSL. In addition, the emissivity of IRSL can be tuned artificially by changing the filler composition and particle size. The structural double‐layer composite coatings have a maximum effective absorption (reflection loss←10 dB) bandwidth of 7.4 GHz in the SKu bands at deep subwavelength thickness, while the infrared emissivity is 0.292. This work provides a novel approach for multispectral modulation in the field of advanced compatible protection systems.
Hybrid Camouflaged Anticounterfeiting Token in a Paper Substrate
Authors: Ferraro Antonio , Lio Giuseppe Emanuele , Bruno Mauro Daniel Luigi , Nocentini Sara , De Santo Maria Penolepe , Wiersma Diederik Sybolt , Riboli Francesco , Caputo Roberto , Barberi Riccardo Cristoforo 
Published: October 2022

AbstractAnticounterfeiting of goods is an urgent need both for luxury and cheap everyday life products. Their identification is usually based on overt technologies as printed codes, easy to produce but to be cloned as well. In this work, a standard QR‐code printed on office paper but hidden by a plasmonic multilayer system is exploited. The covert label is then protected by a peculiar reading mechanism, which is only possible in specific illumination conditions. The overall photonic structure consisting of the metal –insulator –metal –insulator, the printed random QR code and the paper substrate results in a strong physical unclonable function (PUF) that provides a multi‐level identification and authentication of goods ensuring uniqueness of nominally quasi‐identical tags and resistance to tampering/cloning attacks. The proposed paper‐based camouflage physical unclonable function (PC‐PUF) can be easily fabricated by low cost and large area techniques paving the way for an easy integration in an industrial supply‐chain as tags devoted to protect consumer merchandises.
Stereolithographically 3D Printed SiC Metastructure for Ultrabroadband and High Temperature Microwave Absorption
Authors: Zhou Niping , Zhang Lu , Wang Wenqing , Zhang Xueqin , Zhang Keqiang , Chen Mingji , Huang Yixing , He Rujie , Fang Daining 
Published: October 2022

AbstractBroadband microwave absorption is essential on the realms of electromagnetic compatibility and protection in civil application scenarios. However, coordination of material and structure is difficult without proper iterative design between material and structure resulting in insurmountable drawbacks of traditional microwave absorption medium operating under high temperature erosion. Herein, SiC metastructure is manufactured in bulk by stereolithographic 3D printing. The dielectric loss tangent of SiC sintered body is over 0.5 and up to 1.5 at most showing good electromagnetic energy dissipation properties. The optimized SiC metastructure with complicated suspended features achieves −10 dB broadband microwave absorption from 6.96 to 40 GHz at room temperature (RT) across total frequency range of 33.04 GHz. The proposed SiC metastructure is able to endure in situ 1000 °C and ex situ 1600 °C erosion in air atmosphere maintaining −10 dB effective bandwidth in 4.54–40 and 10.89–39.67 GHz, respectively. Broadband microwave absorption under oblique incidence from 0° to 60° is also achieved in a wide temperature range from RT to 1600 °C. The densification of SiC results in a high mechanical strength of 217.36 MPa for structural load bearing applications. The intrinsic electromagnetic variation of SiC under different temperature is relaxed and adapted to the metastructure design. The functions of broadband microwave absorption and high temperature protection are integrated into one metastructure.
Nanomedicine‐Enabled/Augmented Cell Pyroptosis for Efficient Tumor Nanotherapy
Authors: Zhang Zheng , Zhou Yajun , Zhao Shuangshuang , Ding Li , Chen Baoding , Chen Yu 
Published: October 2022

AbstractThe terrible morbidity and mortality of malignant tumors urgently require innovative therapeutics, especially for apoptosis‐resistant tumors. Pyroptosis, a pro‐inflammatory form of programmed cell death (PCD), is featured with pore formation in plasma membrane, cell swelling with giant bubbles, and leakage of cytoplasmic pro‐inflammatory cytokines, which can remodel the tumor immune microenvironment by stimulating a “cold” tumor microenvironment to be an immunogenic “hot” tumor microenvironment, and consequently augment the therapeutic efficiency of malignant tumors. Benefiting from current advances in nanotechnology, nanomedicine is extensively applied to potentiate, enable, and augment pyroptosis for enhancing cancer‐therapeutic efficacy and specificity. This review provides a concentrated summary and discussion of the most recent progress achieved in this emerging field, highlighting the nanomedicine‐enabled/augmented specific pyroptosis strategy for favoring the construction of next‐generation nanomedicines to efficiently induce PCD. It is highly expected that the further clinical translation of nanomedicine can be accelerated by inducing pyroptotic cell death based on bioactive nanomedicines.