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Photopharmacology, incorporating photoswitches such as azobenezes into drugs, is an emerging therapeutic method to realize spatiotemporal control of pharmacological activity by light. However, most photoswitchable molecules are triggered by UV light with limited tissue penetration, which greatly restricts the in vivo application. Here, this study proves that 131I can trigger the trans‐cis photoisomerization...
Wilderness adventure favored by many enthusiasts often endanger lives due to lacking freshwater or drinking contaminated water. Therefore, compared to the inefficient methods of filtration, steaming, and direct solar heating, it is of great meaningfulness to develop a solar‐driven water purification device with efficiency, lightweight, portability, and multi‐water‐quality purification by taking full...
Highly robust flexible multifunctional film with excellent electromagnetic interference shielding and electrothermal/photothermal characteristics are highly desirable for aerospace, military, and wearable devices. Herein, an asymmetric gradient multilayer structured bacterial cellulose@Fe3O4/carbon nanotube/Ti3C2Tx (BC@Fe3O4/CNT/Ti3C2Tx) multifunctional composite film is fabricated with simultaneously...
As one of the important directions of solar energy utilization, the construction of composite photothermal phase change materials (PCM) with reasonable network support and low leakage in the simple method is important to solve the transient availability of solar energy and achieve long‐lasting energy output. Here, a multifunctional silylated bacterial cellulose (BC)/hydroxylated carbon nanotube (HCNT)/polyethylene...
Liquid crystalline hydrogels with nanoscale order are an attractive soft material to transport ions or electrons with high efficiency. By employing noncovalent interactions between amphiphiles and solvents, defined anisotropic ordered structures can assemble that serve as interior transmissible channels. Herein, the phase behaviors of a polymerizable amphiphile of 1‐vinyl‐3‐alkylimidazolium bromide...
The use of 2D materials to produce hydrogen (H2) fuel via photocatalytic water splitting has been intensively studied. However, the simultaneous fulfillment of the three essential requirements—high photon utilization, rapid carrier transfer, and low‐barrier redox reactions—for wide‐pH‐range production of H2 still poses a significant challenge with no additional modulation. By employing the first‐principles...
The energy density of Ni‐rich cathodes is expected to be further unlocked by increasing the cut‐off voltage to above 4.3 V, which nevertheless come with significantly increased irreversible phase transition and abundant side reactions. In this study, the perovskite oxides enhanced radial‐aligned LiNi0.8Co0.1Mn0.1O2 (NCM811) cathodes are reported, in which the coherent‐growth La2[LiTM]O4 clusters are...
sp2 carbon‐conjugated covalent organic framework (sp2c‐COF) featured with high π‐conjugation, high chemical stabilities, and designable chemical structures, are thus promising for applications including adsorption and separation, optoelectronic devices, and catalysis. For the most of these applications, large‐area and continuous films are required. However, due to the needs of harsh conditions in...
Electrochemical Encapsulation
The formation of RuO2 chainmail on the surface of Ru clusters by electrochemical oxidation to protect the Ru metal core induces a strain effect at the contact interface, while synergistic metal‐support interactions improve electron transport at the Ru/VS2 interface, resulting in efficient electrocatalytic activity and durability. More details can be found in article number...
Electrochemical oxidization and thermodynamic instability agglomeration are a primary challenge in triggering metal‐support interactions (MSIs) by immobilizing metal atoms on a carrier to achieve efficient oxygen evolution reactions (OER). Herein, Ru clusters anchored to the VS2 surface and the VS2 nanosheets embedded vertically in carbon cloth (Ru‐VS2@CC) are deliberately designed to realize high...
Nature provides a successful evolutionary direction for single‐celled organisms to solve complex problems and complete survival tasks – pseudopodium. Amoeba, a unicellular protozoan, can produce temporary pseudopods in any direction by controlling the directional flow of protoplasm to perform important life activities such as environmental sensing, motility, predation, and excretion. However, creating...
Neuromorphic Imaging Systems
In article number 2206181, Xiaoli Zhao, Qingxin Tang, and co‐workers present a multimodal‐synergistic‐modulation neuromorphic imaging systems based on ultraflexible synaptic transistors. The device is capable to simulate the spherical structure and the environmental adaptive behavior of the human eye. Based on the function that synaptic weight can be synergistically regulated...
Inspired by human eyes, the neuromorphic visual system employs a highly efficient imaging and recognition process, which offers tremendous advantages in image acquisition, data pre‐processing, and dynamic storage. However, it is still an enormous challenge to simultaneously simulate the structure, function, and environmental adaptive behavior of the human eye based on one device. Here, a multimodal‐synergistic‐modulation...
Asymmetric plasmonic hierarchical nanostructures (HNs) are of great significance in optics, catalysis, and sensors, but the complex growth kinetics and lack of fine structure design limit their practical applications. Herein, a new atom absorption energy strategy is developed to achieve a series of Au–Ag HNs with the continuously tuned contact area in Janus and Ag island number/size on Au seeds. Different...
A route is developed for directly growing 2D Au polyhedron arrays with controllable exposed facets of polyhedron by utilizing the substrate‐supported 2D Au quasi‐spherical nanoparticle arrays as the Au seed arrays, which cannot be realized by traditional lithography. In the reaction system, polyvinyl pyrrolidone (PVP) plays a vital role in guiding the reduced Au atoms and stabilizing the substrate‐supported...
Delivery System for microRNA
In article number 2104359, Xiaoxiao Cai and co‐workers present a tetrahedral framework nucleic acids‐based delivery system for miRNA. miRNA is protected extracellularly, and efficiently released in response to intracellular RNase after cellular entrance. Similarly, Chinese philosophy “Chuang Tzu” portrayed the transformation of the legendary fish “Kun” (protected microRNA)...
MicroRNAs (miRs) play an important role in regulating gene expression. Limited by their instabilities, miR therapeutics require delivery vehicles. Tetrahedral framework nucleic acids (tFNAs) are potentially applicable to drug delivery because they prominently penetrate tissue and are taken up by cells. However, tFNA‐based miR delivery strategies have failed to separate the miRs after they enter cells,...
Layer‐by‐layer (LBL) deposition strategy enabling favorable vertical phase distributions has been regarded as promising candidates for constructing high‐efficient organic photovoltaic (OPV) cells. However, solid additives with the merits of good stability and reproducibility have been rarely used to fine‐tune the morphology of the LBL films for improved efficiency and stability. Herein, hierarchical...
Single‐atom catalysts (SACs) have aroused great attention due to their high atom efficiency and unprecedented catalytic properties. A remaining challenge is to anchor the single atoms individually on support materials via strong interactions. Herein, single atom Co sites have been developed on functionalized graphene by taking advantage of the strong interaction between Co2+ ions and the nitrile group...
Monitoring of wound pH is critical for interpreting wound status, because early identification of wound infection or nonhealing wounds is conducive to administion of therapies at the right time. Here, novel orange‐emissive carbon quantum dots (O‐CDs) are synthesized via microwave‐assisted heating of 1,2,4‐triaminobenzene and urea aqueous solution. The as‐prepared O‐CDs exhibit distinctive colorimetric...
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