Abstract Rechargeable Zn‐MnO 2 batteries are boosted by the reversible intercalation reactions in mild aqueous electrolytes, but they still suffer from cathode degradation. Herein, with high durability and energy density achieved supplementing MnO deposition dissolution a electrolyte. The main finding is that adjusting Mn 2+ concentration to critical range enables /Mn redox conversion without involvement of oxygen evolution. This can recycle by‐products MnOOH disproportionation (MnOOH → + ),...

Confining Zn plating and stripping in a robust conductive 3D carbon nanotube network results an electrode, which shows excellent reversibility at high depth of discharge enables zinc-ion batteries with high-rate long-term performance.

Abstract Curcumin, a natural bioactive polyphenol with diverse molecular targets, is well known for its anti‐oxidation and anti‐inflammatory potential. However, curcumin exhibits low solubility (<1 µg mL −1 ), poor tissue‐targeting ability, rapid oxidative degradation, resulting in bioavailability stability inflammatory therapy. Here, poly(diselenide‐oxalate‐curcumin) nanoparticle (SeOC‐NP) dual‐reactive oxygen species (ROS) sensitive chemical moieties (diselenide peroxalate ester bonds)...

The recent discovery of two-dimensional (2D) ferromagnetism in van der Waals materials has opened the door to control 2D magnetism by means electric field. Here we demonstrate magnetization reversal through switching polarization a designed multiferroic oxide combining group theory analysis and first-principles calculation. We show that ferroelectricity can be induced specific octahedral rotation perovskite bilayer. Ferromagnetism introduced simultaneously extending guideline B-site ordered...

To address the lack of a suitable electrolyte that supports stable operation electrochemical yarn muscles in air, an ionic-liquid-in-nanofibers sheathed carbon nanotube (CNT) muscle is prepared. The nanofibers serve as separator to avoid short-circuiting yarns and reservoir for ionic liquid. ionic-liquid-in-nanofiber-sheathed are strong, providing isometric stress 10.8 MPa (about 31 times skeletal muscles). highly robust, which can reversibly contract stably at such conditions being knotted,...

Spin-induced ferroelectricity usually does not occur in perovskites with simple collinear magnetic structures. Here, we demonstrate that even-layer perovskite systems, some common distortion modes involving octahedral rotation and Jahn-Teller can break the inversion symmetry, allowing emergence of spin-dependent out-of-plane polarization a structure. Such spin-induced is very double-perovskite systems coexist ferromagnetism or ferrimagnetism above room temperature. We explain its origin by...

The magnetoelectric coupling effect in multiferroics provides a route to realize the control of magnetism by electric field. Here, we demonstrate coexistence and ferroelectricity ferromagnetism designed A-site ordered perovskite oxide monolayers combining symmetry analysis first-principles calculation. These all exhibit layered ordering tilt distortion, some them rotation or Jahn-Teller distortion simultaneously, leading emergence in-plane ferroelectricity. Mn-based robust ferromagnetism,...

The coexistence and coupling of multiple ferroics may not only cause some novel physical phenomena but also provide new means for the detection control electronic degrees freedom. In recent years, two-dimensional (2D) ferroelectricity ferromagnetism have been experimentally confirmed in van der Waals materials their rarely demonstrated single-phase materials. Here, a general mechanism three has monolayer ferromagnets lacking inversion symmetry, which spin-orbit leads to...

Prebiotics and postbiotics have gained attention as functional food additives due to their substantial influence on the gut microbiome potential implications for human health a broader scale. In addition, number of patents these has also increased, yet classification been problematic. this study, we classified 2215 granted from 2001 2020 by functionality enable predictions future development directions. These encompassed subjects diverse feed supplementation, regulation intestinal...

Two-dimensional (2D) ferroelectricity has attracted considerable interest since its demonstration in van der Waals monolayers. Research on 2D so far focused materials, and whether some of the intrinsic ferroelectric mechanisms found perovskite bulks can be retained to monolayer limit remains an issue solved. Here, we demonstrate that caused by lone pair electron effect exist inorganic halide This occurs monolayers with smaller anions, involving ${\mathrm{Cs}}_{2}{\mathrm{GeF}}_{4},...

The contraction behavior of spider dragline silk upon water exposure has drawn particular interest in developing humidity-responsive smart materials. We report herein that the yarns with moderate twists can generate much improved lengthwise 60% or an isometric stress 11 MPa when wetted by water. Upon removal absorbed water, dried and contracted showed programmable contractile actuations. These be plastically stretched to any specified lengths between fully state before supercontraction...

A 3D network consisting of interconnected PtFe/Pt nanowires with rich vacancies was prepared. When utilized as a catalyst for oxygen reduction reaction, it showed remarkable catalytic performance in both alkaline and acidic media.

Two-dimensional (2D) ferroelectrics and multiferroics have attracted considerable scientific technological interest in recent years due to the increasing demands for miniaturization low energy consumption of electronic devices. At present, research on 2D is still focused van der Waals materials, while known bulk ferroelectric multiferroic materials are mostly found perovskite systems. The ability prepare transfer oxides has provided unprecedented opportunities developing based perovskites....

The Jahn-Teller distortion and the resulting orbital order usually cause some fascinating correlated electronic behaviors, generally lead to antiferromagnetism in perovskite bulks. Here we demonstrate that present fluoride ${\mathrm{KCrF}}_{3}$ bulk can be retained two-dimensional limit, a staggered ferromagnetism monolayer. Octahedral tilt rotation also appear ground-state structure of monolayer, which have minor effects on magnetic properties with respect distortion. In addition, prototype...

The migration of oxygen vacancies is decisively affecting the modulation channel conductance. However, for electrolyte-gated transistors (EGTs), conductance driven by can be easily concealed existence an electrical double layer (EDL). Here, we first observed caused vacancies, marked a clockwise transfer hysteresis, keeping top gate electrode at far distance from source/drain electrodes. contribution degree and EDL on adjusted changing between results were supported X-ray photoelectron...

In this work, we demonstrate the immunocapture and on-line fluorescence immunoassay of protein virus based on porous polymer monoliths (PPM) in microfluidic devices. Poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate) [poly(GMA-co-EGDMA)] were successfully synthesized polydimethylsiloxane (PDMS) channels by situ UV-initiated free radical polymerization. After surface modification, PPM provides a high-surface area specific affinity 3D substrate for immunoassays. Combining with well...

Unlike van der Waals materials, perovskite oxide may undergo structural reconstruction when reduced to two dimensions. Therefore, it is still an open question whether some of the ferroelectric mechanisms and magnetoelectric coupling effects found in bulks can be maintained at two-dimensional (2D) limit. Here we demonstrate that ferroelectricity induced by octahedral rotation mechanism dependent on Dzyaloshinskii-Moriya (DM) interaction exist a proposed bilayer. Although distortion...

Abstract Pattern formation caused by self-organization is a fascinating phenomenon that appears in biological, chemical, and physical systems. In ferroelectrics, although variety of domain patterns have been reported at different scales dimensions, the process ferroelectric domains was rarely investigated. Here, 0.72Pb(Mg 1/3 Nb 2/3 )O 3 −0.28PbTiO bulk crystals exposed to water, self-organized structures observed reinforced ultrasonic vibration. By combining experimental observations...

Salmonellosis is a globally extensive food-borne disease, which threatens public health and results in huge economic losses the world annually. The rising prevalence of antibiotic resistance Salmonella poses significant global concern, emphasizing an imperative to identify novel therapeutic agents or methodologies effectively combat this predicament. In study, self-assembly hydrogen sulfide (H2S)-responsive nanoprodrugs were fabricated with poly(α-lipoic acid)-polyethylene glycol grafted...

Improved diagnostic reagents would be of considerable benefit in enhancing the specificity and sensitivity rapid assays for Burkholderia pseudomallei, causative agent melioidosis. The purpose this work is to develop aptamers, high affinity RNA-based molecular recognition molecules, which could used as identification whole organism biological samples. Data are presented demonstrating purification recombinant B. pseudomallei secreted or surface-exposed macromolecules, have been expressed...

Rechargeable aqueous Zinc-ion batteries (ZIBs) have emerged as potential energy storage devices due to their high density, low cost, and safety.To date, numerous cathodes based on manganese dioxide, vanadium polyanionic compounds been reported.Among them, MnO2 are particularly desirable candidates for commercialization owing tunnel structure affordability.In particular, the parasitic reaction of Mn-based in alkaline can be suppressed mild electrolytes, resulting enthusiasm development...

Two-dimensional (2D) multiferroics have attracted considerable interest since the recent discovery of 2D ferroelectricity and ferromagnetism in van der Waals materials. Here we show universality Ca-based double-perovskite bilayer system transition magnetization that is dependent on ferroelectric switching paths by combining symmetry analysis first-principles calculation. We demonstrate although both rotation tilt distortion can lead to polarization reversal, only latter cause a change...