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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

Acid Resistant and Highly Silver Selective Membranes Based on Charged Nanoporous 2D‐Materials
News•Feb 5, 2026

Acid Resistant and Highly Silver Selective Membranes Based on Charged Nanoporous 2D‐Materials

Researchers have created charged nanoporous 2D nanosheet membranes that selectively separate silver ions from other metals in waste electronics leachates. The membranes show unprecedented Ag selectivity, rapid separation within two minutes, and rare stability in acidic conditions. They also reveal intra‑ and inter‑lamellar ion transport pathways, including a lead‑specific route. Potential application in recycling silver from WEEE, especially solar panels, is demonstrated.

By Small (Wiley)
Versatile Chitosan‐Based Hydrogel Dressings for Multi‐Scenario Wound Management
News•Feb 5, 2026

Versatile Chitosan‐Based Hydrogel Dressings for Multi‐Scenario Wound Management

Researchers have engineered chitosan‑based hydrogel dressings that combine dynamic covalent and non‑covalent cross‑linking to deliver self‑healing, hemostatic, and antimicrobial functions. These smart hydrogels can release therapeutics on demand and respond to pH, temperature, or glucose cues, making them suitable for...

By Small (Wiley)
Dynamic Photovoltaic‐Electrolysis Coupling of Stable (>1000 H) CuP/CoF Catalysts with 6% Solar‐to‐Fuel Efficiency
News•Feb 5, 2026

Dynamic Photovoltaic‐Electrolysis Coupling of Stable (>1000 H) CuP/CoF Catalysts with 6% Solar‐to‐Fuel Efficiency

Researchers introduced a dual‑functional CuP/CoF catalyst that maintains over 1000 hours of stable operation in anion‑exchange membrane electrolyzers, achieving 81.2% faradaic efficiency for nitrate‑to‑ammonia conversion at –0.3 V vs. RHE. Coupled with >25%‑efficient silicon PV modules, the integrated PV‑EC system produced ammonia...

By Small (Wiley)
Electrochemical Unzipping of Carbon Nanotubes in a Molten Salt
News•Feb 4, 2026

Electrochemical Unzipping of Carbon Nanotubes in a Molten Salt

Researchers have demonstrated an electrochemical technique that unzips carbon nanotubes into graphene stacks within a molten CaCl2‑NaCl salt. The melt temperature governs the resulting architecture, producing few‑layer turbostratic graphene below 850 °C and Bernal‑type graphite above 900 °C, both with ultralow defect...

By Small (Wiley)
Finite Size‐Effects in Martensite Microstructure of Magnetic Shape Memory Films
News•Feb 4, 2026

Finite Size‐Effects in Martensite Microstructure of Magnetic Shape Memory Films

Researchers examined epitaxially grown Ni‑Mn‑Ga magnetic shape memory films to reveal how finite dimensions influence ferroelastic martensite microstructures. By comparing constrained (substrate‑bound) and freestanding micro‑patterns, they showed that both retain the variant distribution of the continuous film. Film thickness emerged...

By Small (Wiley)
Beyond Imaging: Atomic Force Microscopy as an Integrated Tool for Nanomechanical Probing and Active Manipulation of Low‐Dimensional Materials
News•Feb 4, 2026

Beyond Imaging: Atomic Force Microscopy as an Integrated Tool for Nanomechanical Probing and Active Manipulation of Low‐Dimensional Materials

Atomic force microscopy (AFM) is emerging as a versatile platform for probing and manipulating the nanomechanics of one‑ and two‑dimensional materials. The review details AFM‑based techniques that quantify elastic modulus, strength, adhesion, friction, superlubricity and fatigue with piconewton force sensitivity...

By Small (Wiley)
Trapped Energy Level‐Assisted Ultrafast Interfacial Charge Transfer in S‐Scheme Heterojunctions
News•Feb 4, 2026

Trapped Energy Level‐Assisted Ultrafast Interfacial Charge Transfer in S‐Scheme Heterojunctions

Researchers have boosted interfacial electron transfer in CdS/TiO2 S‑scheme heterojunctions by engineering oxygen‑vacancy trap states on fluorine‑doped TiO2 surfaces. In‑situ soft X‑ray absorption and femtosecond transient absorption spectroscopy revealed an ultrafast, trap‑assisted charge‑migration pathway that extends carrier lifetimes and suppresses...

By Small (Wiley)
Molecular Engineering of Functionalized Amino‐Acid Additives for Synergistic Stabilization of Zinc Metal Anode
News•Feb 4, 2026

Molecular Engineering of Functionalized Amino‐Acid Additives for Synergistic Stabilization of Zinc Metal Anode

Researchers introduced a molecular engineering approach to create multifunctional electrolyte additives that stabilize zinc metal anodes. By screening twenty functionalized amino acids, they designed N‑Glycyl‑L‑tyrosine (GT), which merges glycine’s carboxyl group and tyrosine’s phenolic hydroxyl and carbonyl groups. GT coordinates...

By Small (Wiley)
Ultrathin Freestanding MoSiN Nanocomposite Membranes as Efficient High‐Temperature Mid‐Infrared Thermal Emitters
News•Feb 4, 2026

Ultrathin Freestanding MoSiN Nanocomposite Membranes as Efficient High‐Temperature Mid‐Infrared Thermal Emitters

Researchers have fabricated a freestanding 12 nm MoSiN nanocomposite membrane that combines intermetallic and dielectric phases to act as an efficient mid‑infrared emitter. The membrane exhibits metal‑like emissivity of 0.41 and retains structural integrity at temperatures up to 900 °C, while its...

By Small (Wiley)
Engineering Lattice Asymmetry via a Cs+‐Triggered Domino Effect for Ultra‐Broadband Visible Emission From a Single Sb3+ Luminophore
News•Feb 4, 2026

Engineering Lattice Asymmetry via a Cs+‐Triggered Domino Effect for Ultra‐Broadband Visible Emission From a Single Sb3+ Luminophore

Researchers have shown that incorporating cesium ions into the layered perovskite derivative (C4H14N2S2)2Cs2InCl9 triggers a structural “domino effect” that breaks lattice symmetry. This asymmetry creates two inequivalent indium chloride octahedra, which, when doped with antimony (Sb3+), produce ultra‑broadband visible photoluminescence...

By Small (Wiley)
Polymer‐Coated Manganese Dioxide Nanoparticles for Foliar Mn Delivery: Mechanisms of Uptake and Metabolic Responses in Mn Deficient Barley
News•Feb 4, 2026

Polymer‐Coated Manganese Dioxide Nanoparticles for Foliar Mn Delivery: Mechanisms of Uptake and Metabolic Responses in Mn Deficient Barley

Researchers demonstrated that ~25 nm polyacrylic acid‑coated MnO₂ nanoparticles can rapidly penetrate barley leaves through stomata when applied as a foliar spray. Within two hours the particles dissolve, releasing Mn²⁺ that restores photosynthetic efficiency in Mn‑deficient plants without causing phytotoxicity, even...

By Small (Wiley)
Block Copolymer Particle‐Templated Cavitated Carbons Achieve Local Alkalinity for Enhancing Acidic Electrochemical CO2 Reduction
News•Feb 4, 2026

Block Copolymer Particle‐Templated Cavitated Carbons Achieve Local Alkalinity for Enhancing Acidic Electrochemical CO2 Reduction

Researchers introduced a cavitated carbon particle (CCP) support for gold catalysts by exploiting interfacial instability in block‑copolymer particles. The resulting Au/CCP features ~130 nm internal cavities that concentrate OH⁻ ions, creating a locally alkaline microenvironment even when the bulk electrolyte is...

By Small (Wiley)
Engineered Nanofiber‐Based Nerve Guidance Conduit Facilitates the Restoration of Peripheral Nerve Injury Through Enhanced Vascularization
News•Feb 4, 2026

Engineered Nanofiber‐Based Nerve Guidance Conduit Facilitates the Restoration of Peripheral Nerve Injury Through Enhanced Vascularization

Researchers engineered a nerve guidance conduit (NGC) by coating electrospun polycaprolactone (PCL) nanofibers with endothelial cell‑derived matrix (ECd). The ECd@PCL scaffold provides oriented physical cues and bioactive signals that boost axonal extension in PC12 cells and improve intercellular communication in...

By Small (Wiley)
Unraveling Dynamic Interplay on Defective Indium Sites During CO2 Photoreduction
News•Feb 4, 2026

Unraveling Dynamic Interplay on Defective Indium Sites During CO2 Photoreduction

Researchers combined operando X‑ray photoelectron spectroscopy and infrared spectroscopy to map how CO₂ interacts with defective indium sulfide (In₂S₃) surfaces. Sulfur vacancies create electron‑rich indium sites that strongly adsorb CO₂, leading to sequential formation of *COOH and *CO intermediates under...

By Small (Wiley)
Interfacial Engineering for Enhanced Adhesion of Diamond Coatings
News•Feb 4, 2026

Interfacial Engineering for Enhanced Adhesion of Diamond Coatings

The review outlines the persistent adhesion challenges of thin‑film diamond coatings on non‑diamond substrates and details engineering approaches to overcome them. It highlights how thermal‑expansion mismatches, poor nucleation, and substrate degradation cause delamination. Strategies such as substrate roughening, interlayer insertion,...

By Small (Wiley)
Injectable Thermogel‐Loaded Bi2S3 Nanorods for Synergistic Photothermal Bacterial Elimination and Anti‑Inflammation to Remodel Periodontitis Microenvironment
News•Feb 3, 2026

Injectable Thermogel‐Loaded Bi2S3 Nanorods for Synergistic Photothermal Bacterial Elimination and Anti‑Inflammation to Remodel Periodontitis Microenvironment

Researchers have created an injectable, thermosensitive hydrogel (Bi2S3@Gel) loaded with bismuth sulfide nanorods that activates under near‑infrared light. The material delivers mild photothermal heating, amplifies reactive oxygen species, and depletes glutathione, achieving potent antibacterial action. At the same time, the...

By Small (Wiley)
Ti3C2 MXene Nanosheets and K+/Strong Base Synergistically Regulated G‐C3N5 Jointly Construct a Novel Photogenerated Electron Capacitor for Efficient Photosynthesis of...
News•Feb 3, 2026

Ti3C2 MXene Nanosheets and K+/Strong Base Synergistically Regulated G‐C3N5 Jointly Construct a Novel Photogenerated Electron Capacitor for Efficient Photosynthesis of...

Researchers introduced a photo‑induced electron capacitor (MKCN) by self‑assembling Ti3C2 MXene nanosheets with potassium‑ and strong‑base‑treated nitrogen‑rich carbon nitride (g‑C3N5). The hybrid functions as a dual‑electrode system where g‑C3N5 generates electrons and MXene captures them, enabling spatial charge separation and...

By Small (Wiley)
Enhancing Active Surface Area and Gas Diffusion Properties of Low‐Temperature Solid Oxide Fuel Cell Cathodes by Sputtering with Glancing Angle...
News•Feb 3, 2026

Enhancing Active Surface Area and Gas Diffusion Properties of Low‐Temperature Solid Oxide Fuel Cell Cathodes by Sputtering with Glancing Angle...

The research introduces glancing angle deposition (GLAD) to fabricate nanoporous La0.6Sr0.4Co0.2Fe0.8O3‑δ (LSCF) thin‑film cathodes for low‑temperature solid oxide fuel cells (LT‑SOFCs). By adjusting sputtering pressure and film thickness, the team achieved a nanocolumnar structure with 21.5% porosity, cutting polarization resistance...

By Small (Wiley)
Cation‐Doped Ionic Thermoelectric Ionogels With Nonlinear Temperature‐Voltage Response Characteristics
News•Feb 3, 2026

Cation‐Doped Ionic Thermoelectric Ionogels With Nonlinear Temperature‐Voltage Response Characteristics

Researchers developed a PVDF‑HFP‑based ionogel doped with various cations, achieving a thermopower of 23.7 mV K⁻¹ and a power density of 102.8 µW m⁻² K⁻². Precise temperature‑difference control induces a nonlinear temperature‑voltage response due to dynamic ion‑concentration reconstruction. An 18‑unit ionic thermoelectric device produced 2.09 V,...

By Small (Wiley)
The Next Frontier in Perovskite Stability: Operando Smart‐Responsive Materials Driving the Next Revolution
News•Feb 3, 2026

The Next Frontier in Perovskite Stability: Operando Smart‐Responsive Materials Driving the Next Revolution

Researchers are integrating stimulus‑responsive materials into perovskite solar cells to turn external stressors—light, heat, humidity—into stabilizing actions. These operando smart‑responsive layers dynamically adjust their physicochemical state, curbing ion migration and extending device lifetimes. The review outlines recent mechanisms, from reversible...

By Small (Wiley)
Selection of Metal–Tellurium (M–Te) Alloy as Recyclable Controlled Te Precursors for Wafer‐Scale Synthesis of MxTey Thin Films
News•Feb 3, 2026

Selection of Metal–Tellurium (M–Te) Alloy as Recyclable Controlled Te Precursors for Wafer‐Scale Synthesis of MxTey Thin Films

The study presents a confined tellurization technique that uses recyclable metal‑tellurium (M‑Te) alloys as controllable tellurium sources to grow wafer‑scale metal telluride (MxTey) films. Cohesive‑energy calculations and experiments identify Au‑Te and Ag‑Te alloys as optimal, delivering steady Te flux while...

By Small (Wiley)
Large‐Area Bi2O2Se Nanosheets With Enhanced Optoelectronic Performance for Flexible Electronics
News•Feb 3, 2026

Large‐Area Bi2O2Se Nanosheets With Enhanced Optoelectronic Performance for Flexible Electronics

Researchers have demonstrated atmospheric‑pressure chemical vapor deposition (APCVD) of large‑area Bi2O2Se nanosheets, achieving domain sizes up to 0.4 mm. The nanosheets exhibit high carrier mobility—110 cm² V⁻¹ s⁻¹ at room temperature and over 3700 cm² V⁻¹ s⁻¹ at 2.3 K—while maintaining structural integrity under repeated bending. Detailed experiments...

By Small (Wiley)
Ligand‐Driven Optimization of Iron Oxide Nanoprobes for In Vivo MRI Enhancement at Ultra‐High Field
News•Feb 3, 2026

Ligand‐Driven Optimization of Iron Oxide Nanoprobes for In Vivo MRI Enhancement at Ultra‐High Field

Researchers developed a ligand‑driven method to fine‑tune T2 relaxivity of 12 nm iron‑oxide nanoparticles for ultra‑high‑field MRI. By exchanging five surface coatings—PAA, PMA, PMAO, citric acid and silica—they achieved up to a 333 mm⁻¹ s⁻¹ increase in r₂, with citric‑acid‑coated particles reaching record...

By Small (Wiley)
Oxygen Vacancy Shell Coupled Pt Clusters Engineering for Sunlight Driven Selective Decarboxylation of Amino Acids
News•Feb 3, 2026

Oxygen Vacancy Shell Coupled Pt Clusters Engineering for Sunlight Driven Selective Decarboxylation of Amino Acids

Researchers have engineered a heterogeneous photocatalyst comprising a titanium‑dioxide core, an oxygen‑vacancy‑rich shell, and platinum nanoclusters. The Pt/TiO2@VO‑shell catalyst dramatically improves sunlight‑driven decarboxylation of L‑lysine, achieving 73.5% cadaverine selectivity and a productivity of 154.5 mM per gram, far surpassing conventional TiO2....

By Small (Wiley)
Excited‐State Dynamics in Lead Halide Perovskite Nanocrystals: Effects of Size, Shape, Doping, and Surface Modifications
News•Feb 2, 2026

Excited‐State Dynamics in Lead Halide Perovskite Nanocrystals: Effects of Size, Shape, Doping, and Surface Modifications

The review surveys how size, shape, composition, surface ligands, metal‑ion doping, temperature, and heterostructure engineering influence the excited‑state dynamics of lead halide perovskite nanocrystals. It contrasts these perovskite NCs with traditional chalcogenide quantum dots, highlighting distinct defect states and relaxation...

By Small (Wiley)
Oxygen Vacancy‐Engineered High‐Entropy Oxide Nanozymes for Spatiotemporal Cascading Antifouling in Marine Environments
News•Feb 2, 2026

Oxygen Vacancy‐Engineered High‐Entropy Oxide Nanozymes for Spatiotemporal Cascading Antifouling in Marine Environments

Researchers have engineered oxygen‑vacancy‑rich high‑entropy oxide nanozymes (Vo‑HEO) that mimic haloperoxidase activity to produce both hydroxyl radicals and long‑lived hypobromous acid (HOBr). The dual catalytic system delivers rapid oxidative damage at the surface while HOBr diffuses into bulk water, suppressing...

By Small (Wiley)
Harnessing the Heavy‐Atom Effect and Linkage Engineering in Isomorphic COFs for Enhanced H2O2 Photosynthesis
News•Feb 2, 2026

Harnessing the Heavy‐Atom Effect and Linkage Engineering in Isomorphic COFs for Enhanced H2O2 Photosynthesis

The research introduces a heteroatom‑tuned covalent organic framework (COF) strategy that dramatically boosts photocatalytic H2O2 synthesis. By incorporating sulfur atoms and optimizing linker geometry, the thiourea‑based COF‑127 delivers a record 6672 µmol g⁻¹ h⁻¹ production rate and an 11.03% apparent quantum yield without...

By Small (Wiley)
How PNIPAM Microgel Architecture Controls Pickering Foam Formation
News•Feb 2, 2026

How PNIPAM Microgel Architecture Controls Pickering Foam Formation

Researchers examined how the internal architecture of poly(N‑isopropylacrylamide) (PNIPAM) microgels affects Pickering foam formation. They found that microgels with a distinct core‑shell structure generate larger foam volumes, smaller bubbles, and higher liquid fractions compared with less‑structured particles. Faster interfacial adsorption...

By Small (Wiley)
Chloride Ion‐Specific Etching‐Driven Synthesis of Porous Cobalt‐Doped FeOOH Anodes for Robust Ni‐Fe Batteries
News•Feb 2, 2026

Chloride Ion‐Specific Etching‐Driven Synthesis of Porous Cobalt‐Doped FeOOH Anodes for Robust Ni‐Fe Batteries

Researchers introduced a chloride‑ion‑assisted etching technique to grow cobalt‑doped FeOOH porous nanosheets directly on iron foam, creating a high‑surface‑area anode for nickel‑iron batteries. The resulting electrode achieves an areal capacity of 1.4 mAh cm⁻² at 4 mA cm⁻² with 94 % coulombic efficiency over 1,000...

By Small (Wiley)
Sonocatalytic Eradication of Hepatocellular Carcinoma by Tailoring Structural Defects of Black Indium Oxide Sonocatalysts and Leveraging Apoptosis/Ferroptosis‐Hybridized Pathways
News•Feb 2, 2026

Sonocatalytic Eradication of Hepatocellular Carcinoma by Tailoring Structural Defects of Black Indium Oxide Sonocatalysts and Leveraging Apoptosis/Ferroptosis‐Hybridized Pathways

Researchers engineered palladium‑integrated indium oxide with abundant structural defects to create a high‑performance sonocatalyst for hepatocellular carcinoma. The Pd component provides catalase‑like and peroxidase‑like activities, relieving tumor hypoxia and increasing hydroxyl‑radical generation under ultrasound. This dual action triggers a synergistic...

By Small (Wiley)
Structure‐Interface Synergistic Cu–Zn Hybrid Films for High‐Efficiency Thermal Management and Photothermal Conversion
News•Feb 2, 2026

Structure‐Interface Synergistic Cu–Zn Hybrid Films for High‐Efficiency Thermal Management and Photothermal Conversion

Researchers have developed a multiscale Cu–Zn hybrid film that combines structured metal interfaces with polymer composites to achieve both high optical absorption and efficient heat transport. The electrodeposited Cu–Zn nanostructures form continuous thermal pathways along flake edges, delivering in‑plane thermal...

By Small (Wiley)
Electronic Structure Engineering in MXene SACs: Unveiling the Role of Mixed Termination for ORR/OER Bifunctionality
News•Feb 2, 2026

Electronic Structure Engineering in MXene SACs: Unveiling the Role of Mixed Termination for ORR/OER Bifunctionality

Researchers engineered Ti2COXClY MXene single‑atom catalysts to probe how mixed O and Cl surface terminations affect the oxygen reduction and evolution reactions. By systematically varying the O/Cl ratio on a Ti2C substrate, they demonstrated that the adsorption energy of the...

By Small (Wiley)
Enriched Localized Electron Confined Ultrafine Pt NPs Sites for Selective Catalytic Hydrogenation in Sulfur‐Containing Feedstocks
News•Feb 2, 2026

Enriched Localized Electron Confined Ultrafine Pt NPs Sites for Selective Catalytic Hydrogenation in Sulfur‐Containing Feedstocks

Researchers have developed an electronic confinement strategy that embeds ultrafine platinum nanoparticles within multilayer graphene enriched with localized electrons and encapsulated by cobalt particles. The Pt/Co@NC catalyst delivers a reaction rate of 33.1 mol p‑CAN gPt⁻¹ h⁻¹ and a turnover frequency of 6,449 h⁻¹ for...

By Small (Wiley)
AI‐Guided Design of pH‐ and Redox‐Responsive Lignin@GO@ZIF‐8 Nanocarriers for Targeted Co‐Delivery of 5‐Fluorouracil and Metformin in Prostate Cancer Therapy
News•Feb 2, 2026

AI‐Guided Design of pH‐ and Redox‐Responsive Lignin@GO@ZIF‐8 Nanocarriers for Targeted Co‐Delivery of 5‐Fluorouracil and Metformin in Prostate Cancer Therapy

Researchers employed an AI‑guided workflow to engineer pH‑ and redox‑responsive Lignin@GO@ZIF‑8 nanocarriers that co‑deliver 5‑fluorouracil and metformin for prostate cancer treatment. Machine‑learning models, particularly XGBoost trained on 500 formulation data points, achieved R² values of 0.86‑0.89 for predicting drug loading,...

By Small (Wiley)
Transition Between Digital Switching and Analog Synapse in AgOx/SnSe2 Memristor Through Thickness Engineering
News•Feb 2, 2026

Transition Between Digital Switching and Analog Synapse in AgOx/SnSe2 Memristor Through Thickness Engineering

Researchers demonstrated that an AgOx/SnSe2 memristor can toggle between digital and analog operation simply by varying the AgOx layer thickness. A 75 nm thick AgOx film produces abrupt, high‑contrast switching with an ON/OFF ratio above 10⁶, sub‑10 mV/dec subthreshold swing, and 5,000‑second...

By Small (Wiley)
Structured Selective Activation for Bubble‐Controlled High‐Rate Alkaline OER
News•Feb 2, 2026

Structured Selective Activation for Bubble‐Controlled High‐Rate Alkaline OER

Researchers engineered a nickel‑iron (NiFe) electrode with selective activation and structured geometry to control bubble dynamics in alkaline oxygen evolution. The device combines micromilling, PTFE coating, and electrodeposition, creating deactivated regions that channel electrolyte and guide bubbles unidirectionally. This design...

By Small (Wiley)
Direct Printing of Electronics on Flexible Porous Substrates
News•Feb 2, 2026

Direct Printing of Electronics on Flexible Porous Substrates

The study introduces Drop Impact Printing (DIP), a nozzle‑free method that deposits highly concentrated inks onto untreated porous substrates such as paper in a single pass. By ejecting microdroplets through a sieve‑impact mechanism, DIP limits lateral spread and solvent penetration,...

By Small (Wiley)
Regulation and Synthesis of Mixed‐Ligand Titanium–Oxide Nanoparticles for 12 Nm Nanolithography
News•Feb 2, 2026

Regulation and Synthesis of Mixed‐Ligand Titanium–Oxide Nanoparticles for 12 Nm Nanolithography

Researchers have developed titanium‑oxide nanoparticles functionalized with a mixed aromatic ligand shell containing benzoic acid and fluorobenzoic acid. The fluorinated mixed‑ligand design yields a characteristic particle size of 12 nm and achieves line‑width roughness (LWR) of about 1.3 nm in electron‑beam lithography...

By Small (Wiley)
Isolated Iodine Single Atoms Regulating the In‐Plane Electronic Structure of G‐C3N4 for Enhanced CO2 Photoreduction
News•Feb 2, 2026

Isolated Iodine Single Atoms Regulating the In‐Plane Electronic Structure of G‐C3N4 for Enhanced CO2 Photoreduction

Researchers have anchored isolated iodine atoms onto ultrathin graphitic carbon nitride (g‑C3N4), creating a single‑atom catalyst that stabilizes the material and accelerates in‑plane charge separation. The C‑I covalent bond acts as a direct hole‑transfer channel, while orbital hybridization with CO2...

By Small (Wiley)
Two‐Photon Polymerized 3D Geometries to Study Single‐Cell Mechanotransduction and Force Generation in Mesenchymal Stromal Cells
News•Feb 2, 2026

Two‐Photon Polymerized 3D Geometries to Study Single‐Cell Mechanotransduction and Force Generation in Mesenchymal Stromal Cells

Researchers introduced a two‑photon polymerization direct‑laser‑writing platform that fabricates microscale 3D cages to confine single mesenchymal stromal cells. The cages enable nanometer‑scale traction‑force measurements while independently controlling cell volume and shape. Experiments showed that pure 3D geometry triggers vertical actin...

By Small (Wiley)
Magnetron Sputtered Metallic Thin Films as Li‐Ion Battery Anodes
News•Feb 2, 2026

Magnetron Sputtered Metallic Thin Films as Li‐Ion Battery Anodes

The review evaluates how magnetron sputtering advances metallic thin‑film anodes for Li‑ion batteries, targeting three core barriers: slow Li‑ion kinetics, pronounced volume expansion, and low initial Coulombic efficiency (ICE). It details nanostructure engineering, hybridization, and alloying strategies applied to Si,...

By Small (Wiley)
Lithium Extraction in Confined Channels
News•Feb 2, 2026

Lithium Extraction in Confined Channels

A recent review spotlights confined‑channel membranes as a breakthrough for sustainable lithium extraction from aqueous sources, including low‑grade seawater. By engineering sub‑nanometer pathways, these membranes achieve high lithium selectivity through size exclusion, pore‑wall interactions, and specific chemical affinities. The paper...

By Small (Wiley)
Probing a Reactive Alkyne Center Aligned via a Triphenylmethane Tripod on Au(111) for Electric Field‐Induced Chemistry by STM and TERS
News•Feb 2, 2026

Probing a Reactive Alkyne Center Aligned via a Triphenylmethane Tripod on Au(111) for Electric Field‐Induced Chemistry by STM and TERS

Researchers demonstrated a triphenylmethane‑based molecular tripod that anchors a terminal alkyne upright on Au(111), creating a reactive center aligned with intense electric fields generated by an STM tip. Low‑temperature STM and tip‑enhanced Raman scattering (TERS) verified the vertical orientation and...

By Small (Wiley)
Weak‐Interaction‐Driven Self‐Positioning for Multi‐Site Modification in Perovskite Solar Cells
News•Feb 2, 2026

Weak‐Interaction‐Driven Self‐Positioning for Multi‐Site Modification in Perovskite Solar Cells

Researchers introduced a weak‑interaction‑driven self‑positioning strategy that enables multi‑site modification of n‑i‑p perovskite solar cells without extra deposition steps. Metal phthalocyanine modifiers dissociate during film formation, causing alkali metal ions to migrate to the SnO2/perovskite interface while ligands enrich the...

By Small (Wiley)
Sorting‐Free Carbon Nanotube Synaptic Transistors
News•Feb 2, 2026

Sorting‐Free Carbon Nanotube Synaptic Transistors

Researchers have demonstrated unsorted carbon nanotube (UCNT) transistors gated by an ion‑gel that achieve efficient conductance modulation without any sorting steps. The devices deliver an ON/OFF current ratio of about 25 and exhibit linear potentiation across 50 conductance states together...

By Small (Wiley)
Novel Wide‐Spectrum Virucidal Lipid Nanoparticles (Small 7/2026)
News•Feb 2, 2026

Novel Wide‐Spectrum Virucidal Lipid Nanoparticles (Small 7/2026)

Researchers Yugo Araújo Martins, Caroline Tapparel and colleagues introduced POSTAN, a lipid‑based nanoparticle that mimics heparan sulfate proteoglycans and viral lipid rafts. By exploiting the same entry pathways viruses use, POSTAN physically disrupts viral envelopes, halting replication. The platform showed...

By Small (Wiley)
Bandgap Engineering On Demand in GaAsN Nanowires by Post‐Growth Hydrogen Implantation
News•Feb 2, 2026

Bandgap Engineering On Demand in GaAsN Nanowires by Post‐Growth Hydrogen Implantation

Researchers demonstrated post‑growth hydrogen implantation to raise the bandgap of GaAsN core‑shell nanowires by up to 460 meV, a shift far beyond what is achievable in planar epilayers. The process forms nitrogen‑hydrogen complexes that push the bandgap toward the GaAs value...

By Small (Wiley)
Topotactic Phase Transition in Epitaxial La0.7Sr0.3MnO3‐δ Films Induced by Oxygen Getter Assisted Thermal Annealing
News•Feb 2, 2026

Topotactic Phase Transition in Epitaxial La0.7Sr0.3MnO3‐δ Films Induced by Oxygen Getter Assisted Thermal Annealing

Researchers report a straightforward thermal vacuum annealing process that uses bulk aluminum as an active oxygen getter to trigger a topotactic phase transition from perovskite to brownmillerite in epitaxial La0.7Sr0.3MnO3‑δ thin films. X‑ray diffraction confirms the structural conversion, while SQUID...

By Small (Wiley)

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