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Drug Screening
In article number 2207194, Mengsu Yang and co‐workers design a high throughput microfluidic chip that could achieve multi‐function drug screening against collective migration of cancer cells under confined environment. Using this device, three new compounds that could significantly inhibit confined migration of cancer cells are found: MA‐5, SB‐705498 and diphenyleneiodonium chloride...
The interfacial effect is widely used to optimize the properties of ferroelectric nanocomposites, however, there is still a lack of direct evidence to understand its underlying mechanisms limited by the nano size and complex structures. Here, taking piezoelectricity, for example, the mechanism of interfacial polarization in barium titanate/poly(vinylidene fluoride‐ran‐trifluoroethylene) (BTO/P(VDF‐TrFE))...
Mesoporous Films
An oxygen tolerant, DDMAT‐initiated and visible‐light induced photo electron/energy transfer‐reversible addition‐fragmentation chain‐transfer (PET‐RAFT) allows for direct polymer writing in a mesoporous silica thin film. Using a commercially available microscope, micrometer scale resolution of the placement of three different polymers as well as block‐copolymer functionalization are...
C2+ Products
Electrochemical conversion of CO2 is a promising method to decrease the CO2 level in the atmosphere for relieving the global warming problem. Article number 2205765 by Ho Won Jang, Soo Young Kim, Sang Hyun Ahn, and co‐workers summarizes recent progress in the conversion of CO2 to C2+ products via electrochemical, photochemical, and photoelectrochemical reduction reaction; these are analysed...
For high throughput applications, e.g., in the context of sensing especially when being combined with machine learning, large sample numbers in acceptable production time are required. This needs automated synthesis and material functionalization concepts ideally combined with high precision. To automate sensing relevant mesopore polymer functionalization while being highly precise in polymer placement,...
Highly Reversible Lithium‐Ion Battery Anodes
In article number 2206238, Sunho Jeong, Hyung‐Seok Kim, and co‐workers propose a synthesis method of SiOx composite for high‐performance anode for lithium‐ion batteries. Synthesized SiOx composite shows intact hybridization of nanoparticles with graphene oxide sheets, and mesopores which are formed spontaneously inside the nanoparticles in a thermal reduction...
Magnetoelectric Multifunctional Nanodevices
In article number 2206824, Run‐Wei Li, Xiaojian Zhu, and co‐workers demonstrate the selective dual‐ion manipulation in a Pt/HfO2−x/NiOy/Ni magnetoelectric nanodevice and the reconfiguration of its magnetoresistance. A proof‐of‐concept magnetoelectric device with integrated memory and encryption functionality is designed for the secure storage of information...
Cell‐Free Therapies
hBMMSC‐apoVs can promote mesenchymal stem cell (MSC) osteogenesis and inhibit osteoclast formation in vitro and in vivo. The mechanisms include the release of miR1324, which inhibits the expression of the target gene SNX14, thereby activating the SMAD1/5 pathway in target cells. In article number 2205813, Xiao Zhang, Yunsong Liu, and co‐workers suggest a therapeutic strategy for...
NAnoscopic Ensembles
Diffusion Analysis of NAnoscopic Ensembles (DANAE) offers an assumption‐ and tracking‐free approach to determine the diffusivities of single molecules/particles despite high densities, fast diffusion or photobleaching/blinking, which is possible through a novel treatment of the background function. More details can be found in article number 2206722 by Ulrike Alexiev and co‐workers...
Since the discovery of graphene, research on the family of 2D materials has been a thriving field. Metal phosphorous chalcogenides (MPX3) have attracted renewed attention due to their distinctive physical and chemical properties. The advantages of MPX3, such as tunable layered structures, unique electronic properties, thermodynamically appropriate band alignments and abundant catalytic active sites...
The exploitation of electrode materials with ability to balance capacity and kinetics between cathode and anode is a challenge for sodium‐ion hybrid capacitors (SIHCs). Mn‐based anode materials are limited by poor electrical conductivity, sluggish reaction kinetics, large volume variation, weak cycling stability, and inferior reversible capacity. Herein, MnS nanocubes encapsulated in S‐doped porous...
High‐capacity metal oxides based on non‐toxic earth‐abundant elements offer unique opportunities as advanced anodes for lithium‐ion batteries (LIBs). But they often suffer from large volumetric expansion, particle pulverization, extensive side reactions, and fast degradations during cycling. Here, an easy synthesis method is reported to construct amorphous borate coating network, which stabilizes...
Solution‐processed perovskite‐based light‐emitting diodes (PeLEDs) are promising candidates for low‐cost, large‐area displays, while severe deterioration of the perovskite light‐emitting layer occurs during deposition of electron transport layers from solution in an issue. Herein, core/shell ZnO/ZnS nanoparticles as a solution‐processed electron transport layer in PeLED based on quasi‐2D PEA2Csn−1...
Inhibition of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) infection and excessive inflammation is the current task in the prevention and treatment of corona vireus disease 2019 (COVID‐19). Here, a dual‐function circular aptamer‐ASO chimera (circSApt‐NASO) is designed to suppress SARS‐CoV‐2 replication and inflammation. The chemically unmodified circSApt‐NASO exhibits high serum stability...
The 2D layered metal hydroxides (LMHs) have been developed for electrooxidation of 5‐hydroxymethylfurfural (HMF). In this work, an effective strategy is proposed to tailor the electronic structure of active sites at the atomic level, which is by introducing defects into the lattice structure. As an example, a series of ultrathin crumpled ternary NiVW‐LMH electrocatalysts with abundant lattice vacancies...
Grain boundaries in polycrystals have a prominent impact on the properties of a material, therefore stimulating the research on grain boundary engineering. Structure determination of grain boundaries of molecule‐based polycrystals with submolecular resolution remains elusive. Reducing the complexity to monolayers has the potential to simplify grain boundary engineering and may offer real‐space imaging...
In this work, the mechanisms of radical generation on different functionalized graphene oxide (GO) conjugates under near‐infrared (NIR) light irradiation are investigated. The GO conjugates are designed to understand how chemical functionalization can influence the generation of radicals. Both pristine and functionalized GO are irradiated by a NIR laser, and the production of different reactive oxygen...
Cancer metastasis is the major cause of cancer‐related death. Excessive extracellular matrix deposition and increased stiffness are typical features of solid tumors, creating confined spaces for tumor cell migration and metastasis. Confined migration is involved in all metastasis steps. However, confined and unconfined migration inhibitors are different and drugs available to inhibit confined migration...
The rapid development in micro‐machinery enabled the investigation of smart materials that can embody fast response, programmable actuation, and flexibility to perform mechanical work. Soft magnetic actuators represent an interesting platform toward combining those properties. This study focuses on the synthesis of micro‐actuators that respond to thermal and magnetic stimuli using micro‐molding with...
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