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Small (Wiley)

Small (Wiley)

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International peer-reviewed journal from Wiley focusing on nano- and microscale science and technology, highlighting innovative research in nanoscience.

Recent Posts

Property Explorations and Applications of 2D Transition Metal Dichalcogenides Through Phase Engineering
News•Feb 25, 2026

Property Explorations and Applications of 2D Transition Metal Dichalcogenides Through Phase Engineering

The review outlines recent advances in phase engineering of two‑dimensional transition metal dichalcogenides (2D TMDCs), highlighting how controlled synthesis and phase transitions unlock electronic, optical, and magnetic functionalities. It surveys direct growth techniques such as CVD, MBE, and colloidal routes alongside post‑growth transformations like seed epitaxy and electrochemical exfoliation. The authors discuss emerging applications ranging from surface‑enhanced Raman scattering and electrocatalysis to superconductivity, ferroelectricity, and self‑intercalation‑induced magnetism. Finally, they identify key hurdles—thermal stability, precise phase patterning, and twist‑angle control—while proposing future research directions.

By Small (Wiley)
Synergistic Movement of the Dual‐Layer Photonic Guanine Crystal Arrays Reveals a Mechanism of Light Stimuli‐Responsive Structural Color Change in the...
News•Feb 25, 2026

Synergistic Movement of the Dual‐Layer Photonic Guanine Crystal Arrays Reveals a Mechanism of Light Stimuli‐Responsive Structural Color Change in the...

The study uncovers that zebrafish skin changes from slate‑blue in darkness to bright‑blue in light due to coordinated movement of a dual‑layer guanine crystal reflector. The upper S‑iridophore layer contains inclined crystals while the lower L‑iridophore layer holds horizontal crystals,...

By Small (Wiley)
Ultraclean Self‐Assembly on Micro‐Bubble Lattice
News•Feb 25, 2026

Ultraclean Self‐Assembly on Micro‐Bubble Lattice

Researchers have introduced an underwater micro‑bubble lattice that enables ultraclean self‑assembly of micro‑objects, eliminating residues during transfer. The water‑air interface of the bubbles provides capillary adhesion, preserving the original state of delicate particles. Numerical analysis identified wettability contrast and particle‑to‑bubble...

By Small (Wiley)
Sustainable All‐Inorganic Double Perovskite Memristors Enabling Synaptic Learning and Cognitive Emulation
News•Feb 25, 2026

Sustainable All‐Inorganic Double Perovskite Memristors Enabling Synaptic Learning and Cognitive Emulation

Researchers have demonstrated lead‑free all‑inorganic double perovskite Cs2AgBiBr6 memristors that combine robust analog resistive switching with biologically relevant synaptic plasticity. The devices rely on reversible Ag⁺ ion migration to form filamentary conduction paths, as confirmed by impedance spectroscopy, c‑AFM, and...

By Small (Wiley)
Photo‐Modulated Proton Transport in Merocyanine Metastable‐State Photoacid Based Polymers
News•Feb 25, 2026

Photo‐Modulated Proton Transport in Merocyanine Metastable‐State Photoacid Based Polymers

Researchers have covalently incorporated a merocyanine metastable‑state photoacid into soft polymers, turning insulating matrices into light‑responsive, proton‑conducting materials. Upon illumination, the photoacid undergoes a reversible isomerization that releases protons and alters its charge, causing a measurable drop in conductivity. The...

By Small (Wiley)
Entropy‐Engineered Layered Double Hydroxide Derived High‐Entropy Alloy Cathodes for Zinc–Air Batteries Under High Depth‐of‐Discharge
News•Feb 25, 2026

Entropy‐Engineered Layered Double Hydroxide Derived High‐Entropy Alloy Cathodes for Zinc–Air Batteries Under High Depth‐of‐Discharge

Researchers have created a high‑entropy alloy (HEA) catalyst composed of Mn, Fe, Co, Ni, and Cu, derived from a layered double hydroxide precursor. The HEA nanoparticles are uniformly anchored on nitrogen‑doped carbon nanotubes via dicyandiamide‑assisted pyrolysis, yielding a single‑phase fcc...

By Small (Wiley)
Engineered Nanoplatform with Dual Anti‐Inflammatory and Microbiota‐Modulating Actions for Targeted Therapy in Chronic Inflammatory Bowel Disease
News•Feb 25, 2026

Engineered Nanoplatform with Dual Anti‐Inflammatory and Microbiota‐Modulating Actions for Targeted Therapy in Chronic Inflammatory Bowel Disease

The study introduces BG/SOD@ZIF‑zc, a multifunctional nanoplatform that encapsulates superoxide dismutase within a copper‑doped ZIF framework and coats it with bacterial ghosts for targeted delivery to the colon. The formulation retains SOD activity in the harsh gastrointestinal tract, efficiently scavenges...

By Small (Wiley)
An Ultra‐Tough Fluorescent Elastomer Engineered Using Hierarchical Dynamic Interactions to Integrate Damage Detection and Protection
News•Feb 24, 2026

An Ultra‐Tough Fluorescent Elastomer Engineered Using Hierarchical Dynamic Interactions to Integrate Damage Detection and Protection

Researchers have created a poly(urea‑urethane) elastomer that simultaneously delivers ultra‑high toughness, strong mechanical strength, and bright blue fluorescence. By employing a double‑aggregation strategy and embedding La³⁺ ions, the material forms nine‑level hierarchical hydrogen‑bond networks that restrict molecular motion, boosting both...

By Small (Wiley)
Single‐Atom Ruthenium Sites on Cobalt‐Titanium Surfaces for Efficient and Selective Chloride Electrolysis
News•Feb 24, 2026

Single‐Atom Ruthenium Sites on Cobalt‐Titanium Surfaces for Efficient and Selective Chloride Electrolysis

Researchers have created an electrocatalyst featuring ruthenium single‑atom sites anchored on a cobalt‑titanium oxide (Co₂TiO₄/Ti) support using a Ru‑EDTA precursor. The catalyst delivers an ultra‑low Ru loading (<0.1 wt %) yet achieves an overpotential of only 26.2 mV at 10 mA cm⁻² and a Tafel...

By Small (Wiley)
Unraveling Interband Hot‐Electron Transfer in Hydrogenated Au@Cu2O/TiO2 Heterostructure Nanocrystals for Enhanced Hydrogen Evolution
News•Feb 24, 2026

Unraveling Interband Hot‐Electron Transfer in Hydrogenated Au@Cu2O/TiO2 Heterostructure Nanocrystals for Enhanced Hydrogen Evolution

Researchers have engineered a hydrogenated Au@Cu2O/TiO2 nanocrystal featuring a core‑shell architecture and a Z‑scheme heterojunction that enables efficient interband hot‑electron transfer. The plasmonic Au core injects electrons into the Cu2O shell, while the TiO2 partner suppresses recombination, delivering a hydrogen...

By Small (Wiley)
Mn‐Doped Nickel Telluride Dirac Semimetals with Engineered Dirac Cones for Accelerated Energy Conversion: Synergistic Electron Transfer and Adsorption Optimization
News•Feb 24, 2026

Mn‐Doped Nickel Telluride Dirac Semimetals with Engineered Dirac Cones for Accelerated Energy Conversion: Synergistic Electron Transfer and Adsorption Optimization

Researchers synthesized Mn‑doped NiTe2 Dirac semimetals via a one‑step hydrothermal method, discovering that a 5% Mn substitution dramatically reshapes the Dirac cone and boosts Fermi velocity. The doping also raises the density of states near the Fermi level, accelerating interfacial...

By Small (Wiley)
Tailorable Curie Temperature in Zinc Ferrite Nanoparticles With Finely Tunable Induction Heating Profiles Between Room Temperature and 250°C
News•Feb 24, 2026

Tailorable Curie Temperature in Zinc Ferrite Nanoparticles With Finely Tunable Induction Heating Profiles Between Room Temperature and 250°C

Researchers have developed a spray‑dry synthesis for zinc ferrite nanoparticles whose Curie temperature can be tuned from room temperature up to 250 °C. By adjusting zinc doping levels and post‑synthesis annealing, the induction heating profile is precisely controlled, while aqueous dispersions...

By Small (Wiley)
Geometrically Well‐Controlled Wireframe RNA Nanostructures With Bundled‐Helix Edges
News•Feb 24, 2026

Geometrically Well‐Controlled Wireframe RNA Nanostructures With Bundled‐Helix Edges

Researchers have introduced a single‑stranded RNA origami platform that uses dual duplex bundles as wireframe edges, delivering markedly defined geometries. The approach enables the construction of intricate RNA polygons and grid lattices with high yield and structural fidelity. By bundling...

By Small (Wiley)
Mechanochemical Fullerene Nanoencapsulation in Amino‐Functionalized ZIF‐12 for Visible‐Light Disinfection of Waterborne Viruses and Bacteria
News•Feb 24, 2026

Mechanochemical Fullerene Nanoencapsulation in Amino‐Functionalized ZIF‐12 for Visible‐Light Disinfection of Waterborne Viruses and Bacteria

Researchers introduced a solvent‑minimized mechanochemical method to embed fullerene C₆₀ within amino‑functionalized ZIF‑12, creating a visible‑light‑driven bifunctional photocatalyst. The C₆₀@ZIF‑12‑NH₂ composite exhibits enhanced charge separation, generating hydroxyl radicals that efficiently inactivate bacteriophage P22 in saline water and eradicate E. coli and...

By Small (Wiley)
Covalent Functionalization of NiFe Layered Double Hydroxides Using Tris(Hydroxymethyl)Aminomethane
News•Feb 24, 2026

Covalent Functionalization of NiFe Layered Double Hydroxides Using Tris(Hydroxymethyl)Aminomethane

Researchers have covalently attached tris(hydroxymethyl)aminomethane (TRIS) to nickel‑iron layered double hydroxides (NiFe‑LDH), creating a more ordered crystal structure and enabling high‑temperature hydrothermal synthesis. The TRIS‑functionalized material forms stable, water‑based inks that allow binder‑free electrode fabrication. These electrodes deliver higher oxygen...

By Small (Wiley)
Combining Soft and Hard Properties: Synergistic Innovation of Magnetic Hydrogel Microrobots in Precision Medicine
News•Feb 24, 2026

Combining Soft and Hard Properties: Synergistic Innovation of Magnetic Hydrogel Microrobots in Precision Medicine

Magnetic hydrogel microrobots (MHMs) are emerging untethered soft robots that combine magnetic actuation with responsive hydrogel matrices. Recent research highlights dual design strategies that integrate material optimization and functional integration, enabling precise, spatiotemporal control. Innovations in bionic structures and multimodal...

By Small (Wiley)
Photothermal‐Mediated Carrier Dynamics in Ti3C2Tx MXene Revealed by Time‐Resolved Terahertz Spectroscopy
News•Feb 24, 2026

Photothermal‐Mediated Carrier Dynamics in Ti3C2Tx MXene Revealed by Time‐Resolved Terahertz Spectroscopy

Researchers used time‑resolved terahertz spectroscopy to uncover a universal photothermal‑mediated carrier relaxation mechanism in Ti3C2Tx MXene films. The slowest relaxation time scales linearly with film thickness, reflecting lattice cooling governed by thermal boundary conductance. By selecting substrates that alter interfacial...

By Small (Wiley)
Multi‐Walled Carbon Nanotubes Loaded with Nickel‐Manganese Bimetallic as Three‐Dimensional Particle Electrodes for the Removal of 2,2′‐bipyridine From Photovoltaic Copper Electroplating...
News•Feb 22, 2026

Multi‐Walled Carbon Nanotubes Loaded with Nickel‐Manganese Bimetallic as Three‐Dimensional Particle Electrodes for the Removal of 2,2′‐bipyridine From Photovoltaic Copper Electroplating...

Researchers developed a three‑dimensional electrocatalyst composed of nickel‑manganese bimetallic particles supported on multi‑walled carbon nanotubes (Ni‑Mn@MWCNTs) to treat photovoltaic copper electroplating wastewater containing the toxic additive 2,2′‑bipyridine. Under optimal conditions—Ni:Mn ratio 2:1, 4 mA cm⁻² current density, 4 g L⁻¹ catalyst dosage, and 2 cm...

By Small (Wiley)
Multifunctional Roles of Vacancy Defects in Advancing Thermoelectric Materials
News•Feb 22, 2026

Multifunctional Roles of Vacancy Defects in Advancing Thermoelectric Materials

The review highlights vacancy engineering as a transformative strategy for thermoelectric (TE) materials, detailing how intentional vacancy creation can simultaneously tune electronic band structures, carrier concentrations, and phonon transport. It surveys state‑of‑the‑art characterization tools, computational predictions, and synthesis routes that...

By Small (Wiley)
Chitosan‐Loaded Lead‐Free Sodium Bismuth Titanate Composite Flexible Triboelectric Nanogenerator for Energy Harvesting, Biomechanical Sensing, and Smart‐Path Touch‐Lighting for Safe Walking...
News•Feb 22, 2026

Chitosan‐Loaded Lead‐Free Sodium Bismuth Titanate Composite Flexible Triboelectric Nanogenerator for Energy Harvesting, Biomechanical Sensing, and Smart‐Path Touch‐Lighting for Safe Walking...

Researchers have developed a flexible triboelectric nanogenerator (TENG) using a sodium bismuth titanate (NBT) and chitosan composite film paired with PDMS. The lead‑free ferroelectric NBT particles enhance dielectric properties, delivering a peak voltage of 162.5 V, current of 4.1 µA and power...

By Small (Wiley)
Synchronous Polarization Switching at Sub‐Coercive Fields Through Stochastic Resonance in Ferroelectric Thin‐Film Capacitors
News•Feb 22, 2026

Synchronous Polarization Switching at Sub‐Coercive Fields Through Stochastic Resonance in Ferroelectric Thin‐Film Capacitors

Researchers demonstrated that stochastic resonance can trigger synchronous polarization switching in a thin‑film lead zirconate titanate (PZT) capacitor using sub‑coercive voltage pulses. By tuning the noise level to satisfy the Kramers‑time condition, the device switches reliably at half the signal...

By Small (Wiley)
Recent Advances in Moisture‐Electric Nanogenerators: From Moisture‐Enabled Electrification to Practical Applications
News•Feb 22, 2026

Recent Advances in Moisture‐Electric Nanogenerators: From Moisture‐Enabled Electrification to Practical Applications

Moisture‑electric nanogenerators (MEGs) harvest ambient humidity and convert it into electrical energy using specially designed hygroscopic materials. Recent research has introduced advanced moisture‑responsive composites that raise power output by an order of magnitude, bringing MEGs closer to practical deployment. The...

By Small (Wiley)
Computational Design of Thermally Stable Nanoprecipitates in Al‐Zn‐Mg Alloys: Insights From High‐Throughput DFT and Machine Learning
News•Feb 22, 2026

Computational Design of Thermally Stable Nanoprecipitates in Al‐Zn‐Mg Alloys: Insights From High‐Throughput DFT and Machine Learning

Researchers combined high‑throughput density functional theory with machine learning to screen transition‑metal additives for Al‑Zn‑Mg alloys. The study evaluated 21 candidates and identified nickel (Ni) as a superior stabilizer of the metastable η′ precipitate. Ni maintains high equilibrium solubility, enabling...

By Small (Wiley)
Construction of an Al‐Based MOF with Methyl‐Functionalized Microporous Nano‐Traps for Efficient Separation of SF6/N2
News•Feb 22, 2026

Construction of an Al‐Based MOF with Methyl‐Functionalized Microporous Nano‐Traps for Efficient Separation of SF6/N2

Researchers have engineered an aluminum‑based metal‑organic framework, NU‑62, that features methyl‑functionalized microporous nano‑traps for selective SF6 capture. The material exhibits a high SF6 uptake of 3.99 mmol g⁻¹ and an exceptional SF6/N2 selectivity of 209 at 298 K and 1 bar. Breakthrough experiments confirm...

By Small (Wiley)
Bioinspired Integration of B4C/CNT: Laminated Composites With Nacre‐Like Mechanics for Lightweight Impact‐Resistant Systems
News•Feb 22, 2026

Bioinspired Integration of B4C/CNT: Laminated Composites With Nacre‐Like Mechanics for Lightweight Impact‐Resistant Systems

Researchers have created a bioinspired B4C/CNT laminated composite using in‑situ spark plasma sintering that mimics nacre’s brick‑and‑mud structure. The material achieves a low bulk density of 1.78 g/cm³ and a dynamic compressive strength of 1,098 MPa, delivering superior energy‑absorption performance. During high‑temperature...

By Small (Wiley)
Macrophage Phenotype–Dependent Protein Corona Formation Governs Ligand Accessibility and Immune Clearance of Biomimetic Nanoparticles
News•Feb 20, 2026

Macrophage Phenotype–Dependent Protein Corona Formation Governs Ligand Accessibility and Immune Clearance of Biomimetic Nanoparticles

Researchers coated magnetic silica nanoparticles with membranes from naïve (M0), classically activated (M1) and alternatively activated (M2) macrophages to study phenotype‑dependent protein corona formation. Proteomic analysis showed M0‑derived membranes adsorbed the fewest opsonins (C3, IgG, IgM) and triggered the lowest...

By Small (Wiley)
Multi‐Metallic Organic Framework‐Based Composites as Electrocatalysts
News•Feb 20, 2026

Multi‐Metallic Organic Framework‐Based Composites as Electrocatalysts

The review highlights multi‑metallic organic framework (MMOF) composites as a versatile platform for electrocatalysis, emphasizing how coupling metal, carbon, and multi‑partner components creates synergistic active sites, conductivity, and stability. It surveys recent heterostructures applied to water splitting, oxygen reduction, and...

By Small (Wiley)
Reversible Bond Dynamics Enable Crystallinity‐Healed COF Membranes for Selective Ion Transport
News•Feb 20, 2026

Reversible Bond Dynamics Enable Crystallinity‐Healed COF Membranes for Selective Ion Transport

Researchers unveiled a “make‑then‑heal” strategy for covalent organic framework (COF) membranes that separates film formation from crystallization. After interfacial polymerization, an acid‑catalyzed hydrothermal step triggers reversible bond exchange, dramatically improving order. The healed TpPa‑SO3H membrane shows a 25‑fold rise in...

By Small (Wiley)
Suppressing Intrinsic Ge Vacancies Enables High Thermoelectric Performance in Rhombohedral GeTe
News•Feb 20, 2026

Suppressing Intrinsic Ge Vacancies Enables High Thermoelectric Performance in Rhombohedral GeTe

Researchers combined high‑energy ball milling with low‑temperature annealing to curb intrinsic germanium vacancies in rhombohedral GeTe. The treatment fragments and then re‑dissolves Ge secondary phases, while Bi/Sb co‑doping trims carrier concentration and lattice thermal conductivity. These synergistic steps lift the...

By Small (Wiley)
Direct Write, Read, and Erase of a Vertical Heterostructure of Graphene–Monolayer Electrolyte–H‐BN Using Electric Force Microscopy
News•Feb 20, 2026

Direct Write, Read, and Erase of a Vertical Heterostructure of Graphene–Monolayer Electrolyte–H‐BN Using Electric Force Microscopy

Researchers have demonstrated a vertical heterostructure where a monolayer electrolyte is sandwiched between hexagonal boron nitride and multilayer graphene. The bistable ions in the electrolyte allow electric‑force microscopy to write, read, and erase non‑volatile doping states in graphene, achieving sheet...

By Small (Wiley)
A Quercetin Nanocarrier‐Loaded Dual Network Injectable Hydrogel for Mesenchymal Stem Cells (MSCs) Delivery Targeting Osteoarthritis
News•Feb 20, 2026

A Quercetin Nanocarrier‐Loaded Dual Network Injectable Hydrogel for Mesenchymal Stem Cells (MSCs) Delivery Targeting Osteoarthritis

Researchers have created an injectable dual‑network hydrogel composed of gelatin methacrylate and κ‑carrageenan that embeds quercetin‑loaded PLGA nanoparticles for mesenchymal stem cell (MSC) delivery in osteoarthritis (OA). The antioxidant hydrogel scavenges reactive oxygen species, reprograms M1 macrophages to an anti‑inflammatory...

By Small (Wiley)
A Liquid Ge(IV) Precursor for Low Temperature Plasma Enhanced Atomic Layer Deposition of Germanium Oxide Thin Films
News•Feb 19, 2026

A Liquid Ge(IV) Precursor for Low Temperature Plasma Enhanced Atomic Layer Deposition of Germanium Oxide Thin Films

Researchers have introduced a liquid germanium(IV) precursor, Ge(DMP)4, featuring the 3-(N,N-dimethylamino)propyl ligand. The compound combines high volatility, exceptional thermal stability, and non‑pyrophoric handling, enabling plasma‑enhanced atomic layer deposition (PEALD) of germanium oxide from 40 °C to 240 °C. Across this wide temperature...

By Small (Wiley)
Intermingled Coordination Environments Enable Defect‐Engineered Metal–Polyphenol/G‐Quadruplex Hydrogel for Enhanced N2‐to‐NH3 Photoconversion
News•Feb 19, 2026

Intermingled Coordination Environments Enable Defect‐Engineered Metal–Polyphenol/G‐Quadruplex Hydrogel for Enhanced N2‐to‐NH3 Photoconversion

The researchers confined a Bi3+–caffeic acid complex inside a guanosine monophosphate‑based G‑quadruplex hydrogel, generating intermingled metal‑catechol and metal‑phosphate coordination sites that produce defect‑rich heterojunctions. This biomimetic matrix mimics ion‑channel pathways, boosting charge transport and nitrogen diffusion. Under visible‑light irradiation the...

By Small (Wiley)
Liquid‐Processed 2D Aromatic Amorphous Carbon: Defect Engineering and Universal Transport Scaling
News•Feb 19, 2026

Liquid‐Processed 2D Aromatic Amorphous Carbon: Defect Engineering and Universal Transport Scaling

Researchers have introduced a deterministic method to convert liquid‑processed graphene oxide into a quasi‑amorphous 2D carbon, termed quenched reduced graphene oxide (qRGO), by applying rapid thermal quenching. The kinetic control of oxygen removal creates a distorted sp2 aromatic network with...

By Small (Wiley)
Gold@MnFe‐Prussian Blue Analog Yolk@Shell Nanoparticles for Light‐Triggered and pH‐Sensitive Drug Release
News•Feb 19, 2026

Gold@MnFe‐Prussian Blue Analog Yolk@Shell Nanoparticles for Light‐Triggered and pH‐Sensitive Drug Release

Researchers have engineered Au@MnFe‑Prussian Blue Analog yolk‑shell nanoparticles that combine a hollow cavity with a functional shell for biomedical use. The synthesis creates a ~75 nm interior, achieving roughly 50% loading efficiency for the chemotherapeutic doxorubicin. Partial etching and redeposition of...

By Small (Wiley)
Achieving High‐Efficiency Type I Multimodal Photosensitizers via a Synergistic Rigidity‐Flexibility Strategy for Hypoxia‐Resistant Tumor Therapy
News•Feb 19, 2026

Achieving High‐Efficiency Type I Multimodal Photosensitizers via a Synergistic Rigidity‐Flexibility Strategy for Hypoxia‐Resistant Tumor Therapy

Researchers introduced a donor‑acceptor (D‑A) molecular design that couples a rigid coplanar backbone with flexible side chains, dramatically raising near‑infrared molar extinction and fluorescence brightness. The resulting phenothiazine‑based photosensitizer, EL‑TPO2F, also exhibits strong type‑I reactive oxygen species (ROS) production and...

By Small (Wiley)
Single‐Particle Kinetics Unravel Aperture‐Size Dominance in Hot‐Carrier Transfer and Product Desorption for Photocatalytic Reactions in Plasmonic Nanocavities
News•Feb 18, 2026

Single‐Particle Kinetics Unravel Aperture‐Size Dominance in Hot‐Carrier Transfer and Product Desorption for Photocatalytic Reactions in Plasmonic Nanocavities

Researchers tuned gold nanocup cavity apertures from 35 to 67 nm to study plasmonic photocatalysis. The medium‑size aperture (~58 nm) delivered the highest turnover rate of 0.59 s⁻¹, outperforming smaller and larger apertures by 2.8‑8.4×. Single‑particle kinetic imaging showed that this optimum arises...

By Small (Wiley)
Recycled Thermocol Nanofibers Based Smart Triboelectric Nanogenerators for AI‐Assisted Switching
News•Feb 18, 2026

Recycled Thermocol Nanofibers Based Smart Triboelectric Nanogenerators for AI‐Assisted Switching

Researchers transformed waste expanded polystyrene (EPS) into electrospun nanofibers and used them as the tribonegative layer in a triboelectric nanogenerator (TENG). The nanofibrous architecture delivers an open‑circuit voltage of about 159 V, a short‑circuit current of 22 µA, and a peak power...

By Small (Wiley)
Light‐Controlled Exposure/Blockage of Permanent Cavities in Metal‐Organic Cages‐Based Type II Porous Liquids
News•Feb 18, 2026

Light‐Controlled Exposure/Blockage of Permanent Cavities in Metal‐Organic Cages‐Based Type II Porous Liquids

Researchers have created the first type II porous liquid whose permanent cavities can be exposed or blocked with light. By attaching azobenzene ligands to a charged metal‑organic cage (MSA) and dissolving it in the bulky ionic liquid P6,6,6,14Cl, they achieved a...

By Small (Wiley)
Study on the Plasma‐Induced Synthesis of P‐Ru‐Co(OH)2@PCC for the Electrochemical Reduction of Nitrate
News•Feb 18, 2026

Study on the Plasma‐Induced Synthesis of P‐Ru‐Co(OH)2@PCC for the Electrochemical Reduction of Nitrate

A plasma‑assisted micro‑modulation technique restructures Ru‑doped Co(OH)₂ nanosheets, creating oxygen vacancies and lowering metal oxidation states. These changes boost hydrogen adsorption and nitrate binding, dramatically improving nitrate‑to‑ammonia electrocatalysis under neutral pH. The resulting P‑Ru‑Co(OH)₂@PCC catalyst achieves a record ammonia yield...

By Small (Wiley)
An Oral Mucosa‐Inspired Wet‐Adhesion Janus Hydrogel With Asymmetric Bifunctionalities of Antifouling/Antioxidant for Treating Oral Ulcer in Diabetes
News•Feb 18, 2026

An Oral Mucosa‐Inspired Wet‐Adhesion Janus Hydrogel With Asymmetric Bifunctionalities of Antifouling/Antioxidant for Treating Oral Ulcer in Diabetes

Researchers have engineered a wet‑adhesion Janus hydrogel (WAJH) that mimics oral mucosa to treat diabetic oral ulcers. The hydrogel features an antifouling agar/polyacrylamide layer and a tannic‑acid‑rich adhesive layer, delivering adhesion energies of 15 J m⁻² and 316 J m⁻² respectively. Its antioxidant tannic...

By Small (Wiley)
Sequential Optimization of Multivariate Metal–Organic Framework Based Biocatalysis
News•Feb 17, 2026

Sequential Optimization of Multivariate Metal–Organic Framework Based Biocatalysis

The study introduces a sequential Latin hypercube sampling‑coupled Bayesian optimization (LHS‑BO) workflow that simultaneously designs multivariate zirconium‑based enzyme‑@‑MOF (E‑MOF) biocomposites and tunes the downstream glucose oxidase–horseradish peroxidase (GOx‑HRP) cascade. Optimized E‑MOFs ZG67 and ZH16 deliver encapsulation efficiencies above 90%, retain...

By Small (Wiley)
Size‐Transformable Supramolecular Nanoprodrugs Enable Redox Imbalance Amplification and Cholesterol Modulation to Boost Multidimensional Tumor Immunotherapy
News•Feb 17, 2026

Size‐Transformable Supramolecular Nanoprodrugs Enable Redox Imbalance Amplification and Cholesterol Modulation to Boost Multidimensional Tumor Immunotherapy

Researchers have engineered a tumor‑targeting, tumor‑microenvironment‑responsive supramolecular nanoprodrug that switches size to enhance deep tumor penetration. The nanoprodrug simultaneously induces redox imbalance—accumulating reactive nitrogen species and depleting glutathione—to amplify ferroptosis, while depleting cholesterol to rejuvenate exhausted T cells. This multidimensional...

By Small (Wiley)
PH‐Responsive Nanoparticle‐Coated Calcium Phosphate Granules for Bone Cancer Therapy
News•Feb 17, 2026

PH‐Responsive Nanoparticle‐Coated Calcium Phosphate Granules for Bone Cancer Therapy

Researchers have engineered β‑tricalcium phosphate (β‑TCP) granules coated with selenium‑doped mesoporous silica nanoparticles (SeMIA) linked via pH‑responsive imine–alendronate bonds. The imine linkers remain stable at physiological pH but cleave in the mildly acidic osteosarcoma microenvironment, releasing nanoparticles that selectively kill...

By Small (Wiley)
Dual‐Gradient Structure of Component and Channel Size in Co–Ni Hydroxides Boosts Conductivity and Suppresses Self‐Discharge for High‐Performance Supercapacitors
News•Feb 17, 2026

Dual‐Gradient Structure of Component and Channel Size in Co–Ni Hydroxides Boosts Conductivity and Suppresses Self‐Discharge for High‐Performance Supercapacitors

Researchers introduced a one‑step electrodeposition method that creates NiCo‑LDH nanosheet arrays featuring simultaneous composition and channel‑size gradients. The dual‑gradient architecture dramatically improves intrinsic electrical conductivity, cycling stability, and self‑discharge resistance. Electrochemical testing shows 2200 F g⁻¹ at 1 A g⁻¹, 88% capacity retention after...

By Small (Wiley)
Suspendable and Scalable Ultrasound‐Actuated ZnO‐Nanosheet‐Based Piezoelectric Microdevices for Wireless Electrical Stimulation of Cells
News•Feb 17, 2026

Suspendable and Scalable Ultrasound‐Actuated ZnO‐Nanosheet‐Based Piezoelectric Microdevices for Wireless Electrical Stimulation of Cells

Researchers have created subcellular-sized, silicon‑based microdevices that incorporate ZnO nanosheets to act as piezoelectric generators. When deformed by cellular forces or external ultrasound within the biomedical range, these nanostructures produce localized electrical potentials that depolarize cell membranes and trigger calcium...

By Small (Wiley)
Tailoring Coordination and Pore Structure of MOF‐Derived Co Single‐Atom Catalysts Anchored on Graphene for Rechargeable Zinc–Air Batteries
News•Feb 17, 2026

Tailoring Coordination and Pore Structure of MOF‐Derived Co Single‐Atom Catalysts Anchored on Graphene for Rechargeable Zinc–Air Batteries

Researchers introduced a dual‑engineering approach that combines polymer encapsulation with a wavy graphene oxide substrate to produce cobalt single‑atom catalysts derived from MOFs. The polymer layer generates mesopores, while the curved graphene modulates the Co‑Nx coordination, creating defect‑rich Co‑N3 sites....

By Small (Wiley)
Irrelevant Role of Level‐Electrode Coupling Asymmetry in Driving Rectification in Molecular Tunnel Junctions: Decisive Experimental Evidence From Junctions with Dissimilar...
News•Feb 17, 2026

Irrelevant Role of Level‐Electrode Coupling Asymmetry in Driving Rectification in Molecular Tunnel Junctions: Decisive Experimental Evidence From Junctions with Dissimilar...

Researchers used conducting‑probe atomic force microscopy to build molecular tunnel junctions with symmetric alkane‑ and oligophenyl‑dithiol molecules sandwiched between dissimilar metal electrodes (Ag, Au, Pt). Despite pronounced electrode‑molecule coupling asymmetry, the devices exhibited negligible current rectification. The study examined both...

By Small (Wiley)

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