Two‑photon polymerization (2PP) now enables sub‑micron, three‑dimensional printing of medical devices using femtosecond lasers. The technique produces patient‑specific scaffolds, drug‑delivery carriers, and microfluidic components across specialties such as ophthalmology, orthopedics, and neurology. Recent advances in photoinitiators and biomaterials have improved resolution and biocompatibility, moving 2PP toward clinical translation. However, scale‑up, long‑term safety, and broader adoption remain significant hurdles.
Researchers introduced a machine‑learning framework that predicts the specific absorption rate (SAR) of superparamagnetic iron oxide nanoparticles (SPIONs) used in magnetic hyperthermia. The model was trained on a systematically curated dataset of 1,850 entries spanning 30 intrinsic and extrinsic features...
Researchers introduced two fullerene‑based self‑assembled monolayers (SAMs) to modify zinc oxide (ZnO) electron‑transport layers in inverted organic solar cells. The tetra(ethylene glycol)‑linked 4EG‑PA forms a denser, more uniform film than the alkyl‑linked C2‑PA, delivering superior defect passivation and energy‑level alignment....
Researchers used first‑principles calculations to examine how the curvature of boron nitride nanotubes (BNNTs) doped with copper influences oxygen reduction and evolution reactions (ORR/OER). They discovered that nanotube curvature dramatically reshapes the d‑orbital energy hierarchy, inverting the dz2 level and...
Researchers used an ice‑templating process to convert the marine alga Undaria pinnatifida into a self‑doped porous carbon aerogel (US‑1.5). The material exhibits a record‑breaking 22.53 k% response to 500 ppm hydrazine at room temperature, with rapid 21.3 s response and 2.5 s recovery times....
Researchers have created ultrathin polycage membranes by cross‑linking amine‑rich porous organic cages (POCs) with terephthaloyl chloride. The resulting membranes feature angstrom‑scale, amine‑functional channels that act as highways for CO₂ molecules, delivering a permeance of 920 GPU and a CO₂/N₂ selectivity of...
Researchers used in‑situ transmission electron microscopy and density‑functional theory to directly observe copper ion migration in the van der Waals ferroelectric CuInP2S6 (CIPS) under electron‑beam irradiation. The study shows that the beam induces a lateral electric field that drives Cu ions to...
Researchers used in situ liquid phase transmission electron microscopy to track emulsion droplets at nanometer resolution, revealing that their motion deviates from classic Brownian behavior. Larger droplets displayed super‑diffusive trajectories constrained by spatial boundaries, while smaller droplets followed random walks...
Researchers have engineered a multi‑subunit nanozyme (Ru‑H‑ZIF‑8) by anchoring ruthenium nanoclusters onto a tannic‑acid‑framed hollow ZIF‑8 scaffold. The structural subunit provides hydrogen‑bonding activation of o‑aminophenol, while the Ru nanoclusters drive rapid electron‑transfer oxidation, delivering a high‑rate, substrate‑class selective reaction. Unlike...
Researchers applied a ~0.6% compressive strain to bismuth nanosheets using an electrochemical cathodic technique, dramatically improving CO2 electroreduction to formate. The strained nanosheets achieved over 90% formate selectivity across a 700 mV potential window, outperforming many existing catalysts. Density‑functional theory linked...
Researchers have engineered highly stable coacervate microdroplets using polyethyleneimine (PEI) and sodium thioctate (ST) that resist coalescence for over 35 days without any additives. The droplets exploit electrostatic and hydrophobic interactions, creating a charge‑repelled surface that preserves structural integrity. They...
Researchers have engineered biomimetic hematoma microspheres that combine a pH‑responsive GelMA outer layer with a NaHS‑loaded liposomal core to deliver hydrogen sulfide (H₂S) directly to bone defect sites. The microspheres release H₂S in acidic environments, simultaneously reducing chronic inflammation, stimulating...
Researchers introduced a lithium‑based surface reconstruction for kesterite absorbers by spin‑coating a high‑concentration Li solution onto CZTSSe precursor films. The treatment forms n‑type ZnLi defects that generate strong band bending, enhancing p‑n conversion at the CZTSSe/CdS heterojunction. Devices treated with...
Researchers introduced a coordination‑driven method to embed Cu and Co ions into an azo‑phenolic porous organic polymer, creating the Cu@Azo‑CoPG catalyst. Electrochemical testing showed the bimetallic material delivers a 94.3% Faradaic efficiency for CO production, surpassing its monometallic Cu‑PG and...
The review introduces soft‑gel electrodes, a hybrid physical state that sits between solid and liquid designs, as a novel strategy for durable aqueous batteries. By leveraging the water affinity contrast between inorganic sulfate ions and water‑soluble polymers, a self‑forming gel...
Researchers have introduced a quasi‑dual‑channel architecture for metal‑oxide thin‑film transistors that pairs an oxygen‑rich tantalum‑doped tin oxide (TTO) channel with an oxygen‑deficient HfOx surface layer. The new design delivers a 4.4‑fold increase in carrier mobility compared with conventional single‑channel TFTs...
Researchers applied low‑dose four‑dimensional scanning transmission electron microscopy to poly(ε‑caprolactone) and polyethylene spherulite films, achieving unprecedented nanoscale visualization of their hierarchical architecture. The technique disclosed the preferential orientation and growth direction of lamellar crystals, as well as chain tilt within...
Researchers introduced a hierarchically anisotropic double‑network hydrogel reinforced with deformable liquid‑metal particles. The material achieves a fracture energy of 60.6 kJ m⁻² and a fatigue threshold of 5,560 J m⁻² while retaining a skin‑like modulus of 1.3 MPa. Liquid‑metal inclusion supplies stable electrical conductivity, enabling...
Researchers have developed hierarchical flower‑like Fe–Mo oxide electrocatalysts using a scalable reflux‑calcination method. The optimized Fe0.25Mo0.75O (FeMoO‑III) shows an OER overpotential of 240 mV at 10 mA cm⁻² and an ORR half‑wave potential of 0.86 V, with durability exceeding 200 h. Integrated into both alkaline...
Researchers have created an ultrathin all‑carbon graphene foam thermal interface material using PMMA microsphere templating and finite‑element high‑throughput screening. The foam delivers exceptional thermal diffusivity—608.6 mm²/s in‑plane and 51.8 mm²/s through‑plane—and an ultra‑low contact thermal resistance of 0.104 K·cm²/W at 40 psi. Its bond‑line...
The study presents a DNA‑assisted hydrothermal route to fabricate defect‑rich δ‑MnO₂ nanoflake cathodes for aqueous zinc‑ion batteries. DNA molecules coordinate with Mn ions, generating phosphate and nitrogen groups that create oxygen‑related defects and increase Mn³⁺ content while expanding interlayer spacing....
Researchers have demonstrated a ligand‑induced conversion of conventional CdSe magic‑size clusters (MSC‑391) into a newly identified MSC‑272 that absorbs at 272 nm. The transformation, driven by diphenylphosphine and cadmium carboxylate salts, yields a cluster with superior dispersibility and thermal stability up...
Researchers have developed a near‑infrared (NIR) triggered hydrogel bio‑ink that incorporates up‑conversion nanoparticles (UCNPs) with acrylic acid‑N‑vinyl‑2‑pyrrolidone and carboxymethyl cellulose. The NIR exposure induces rapid hydrogen‑bonding condensation, enabling in‑situ 3D printing of wound‑filling scaffolds. The printed hydrogel generates reactive oxygen...
Researchers engineered the pore environment of two isoreticular Zr‑MOFs, HIAM-411 (methyl‑functional) and HIAM-412 (amino‑functional), to tackle the long‑standing challenge of one‑step adsorptive separation of C2H2/C2H4/C2H6 mixtures. HIAM‑411 preferentially adsorbs acetylene and ethane but suffers low C2H2/C2H4 selectivity, limiting its efficiency....
Researchers have engineered a starch‑based hydrogel by covalently grafting protocatechuic acid, creating a bioinspired material that is both ultratough and rapidly piezoresistive. The hydrogel’s dynamic hydrogen bonds and π‑π interactions eliminate the typical brittleness‑hysteresis trade‑off, enabling reliable strain‑dependent resistance. Integrated...
Researchers engineered four zinc‑based metal‑organic frameworks (Zn‑MOFs) by modifying organic linkers with electron‑donating or -withdrawing groups, precisely controlling the type of reactive oxygen species (ROS) produced. The fluorine‑substituted MOF (HIAM‑3001F) favored superoxide generation, achieving near‑unity conversion and 88.5% yield in...
Researchers have created a corn‑like FePS3‑ZnPS3 heterostructure anode using a MOF‑on‑MOF templating method, coated with N‑doped carbon. The architecture combines heterointerfacial engineering and structural design to improve charge transfer and buffer volume expansion. The resulting anode delivers an initial discharge...
Researchers engineered the A‑site cation in 2D perovskite single crystals, creating MPDA (MPDAPb2I6) that prolongs hot‑carrier cooling to 80 ps—eight times longer than the DMePDA counterpart. The extended hot‑carrier lifetime boosts hot‑electron extraction efficiency to 51.4%, a six‑fold increase, and raises...
Researchers have introduced a double‑perovskite phosphor, Cs2NaYF6 doped with Pr3+, that exhibits optically stimulated luminescence (OSL) in the ultraviolet‑C (UVC) range. After X‑ray exposure, the material stores charge carriers in deep traps and releases them as persistent UVC light when...
A thiol‑free hot‑injection technique enables the colloidal synthesis of quasi‑2D klockmannite CuSe nanocrystals, producing large nanosheets and uniform triangular nanoplatelets by tuning temperature and precursor ratios. The triangular plates, only 12–25 nm across, display strong near‑infrared plasmonic absorption driven by intrinsic...
The Perspective reexamines CsPbBr3 perovskite nanocrystals, showing that visible‑light excitation converts ambient O₂ into superoxide radical anions. These reactive species destabilize the crystal lattice, creating defects that paradoxically enable aerobic photocatalytic reactions. By linking defect formation, surface chemistry, and reaction...
The researchers combined beam‑effect‑corrected electrochemical liquid‑phase electron microscopy (EC‑LP‑EM) with bulk electrochemical testing to directly image silver nanostructures dissolving on a platinum substrate under open‑circuit conditions. Their workflow incorporates automated image analysis and beam‑effect assessment, delivering quantitative, real‑time data on...
Researchers have engineered an aggregation‑induced emission luminogen (AIEgen) that converts near‑infrared light into heat, forming photothermal nanoparticles for diabetic wound therapy. The NIR‑activated particles efficiently kill multidrug‑resistant bacteria such as MRSA and carbapenem‑resistant Pseudomonas, while also disrupting biofilms and mitigating...
Researchers have synthesized oxygen‑doped nanodiamonds (O‑ND) and copper‑doped nanodiamond composites (Cu‑OND) that excel in two‑electron oxygen reduction (ORR) and water oxidation (WOR), respectively. O‑ND raises ORR Faradaic efficiency from 71% to 87.1%, while Cu‑OND delivers 78.2% WOR efficiency. When paired...
Researchers introduced lithium bis‑trifluoromethanesulfonyl‑methide (LiCTf2), a methide‑based analogue of LiNTf2 that eliminates aluminum current‑collector corrosion and reinforces interfacial stability for Ni‑rich NMC cathodes. The CTf2⁻ anion forms low‑solubility Al³⁺ complexes and strengthens Li⁺ coordination, creating a hybrid inorganic‑organic cathode‑electrolyte interphase....
Researchers have engineered a biomimetic nanorobot (hPH‑RNPEC) that can be administered intranasally to deliver a combined payload of endogenous miRNAs and curcumin directly to the brain. The platform uses Pueraria lobata‑derived exosomes cloaked in neutrophil‑like membranes, a rabies virus glycoprotein...
Researchers have created a rapid, one-pot electrochemical sensor for breast‑cancer‑derived exosomes. The device leverages an aptamer‑triggered hybridization chain reaction combined with a streptavidin‑biotin cross‑link to assemble a G‑quadruplex‑DNA nano‑highway network at room temperature. Binding of the vimentin aptamer disassembles the...
Researchers engineered a self‑assembling peptide hydrogel (Fmoc‑DDIKVAV) to encapsulate adeno‑associated virus delivering brain‑derived neurotrophic factor (AAV‑BDNF). In a mouse Huntington's disease model, the hydrogel‑mediated delivery achieved markedly higher BDNF expression and neuroprotection in the striatum than direct AAV injection. The...
Researchers have shown that designing peptide charge distribution, together with pH, stoichiometry, and concentration, can selectively direct the co‑assembly of ionic complementary peptide binary mixtures. By adjusting these parameters, they control β‑sheet strand alignment, assembly kinetics, nanofiber morphology, and hydrogel...
Researchers have developed size‑tunable copper‑glutathione (Cu‑GSH) nanocapsules using a simple co‑precipitation method, enabling precise control over particle morphology. In kiwifruit trials, the optimized formulation delivered 77% therapeutic and 66% protective efficacy, outperforming conventional copper pesticides. Small spherical nanocapsules penetrated plant...
Researchers have engineered a spherical SiOx@LiPAA composite anode using spray‑drying, where lithiated polyacrylic acid forms a conductive, elastic coating. The LiPAA layer buffers silicon‑oxide volume expansion and fosters a thin, LiF‑rich solid‑electrolyte interphase. Electrochemical tests show 1,234 mAh g⁻¹ after 200 cycles...
Researchers have created an ultrasensitive biosensor that merges DNA‑functionalized reduced graphene oxide (rGO) electrolyte‑gated transistors (EGTs) with machine‑learning analytics to detect cancer‑ and neuro‑related microRNAs. The platform targets the miR‑34 family and achieves a limit of detection as low as...
Researchers used first‑principles calculations to evaluate transition‑metal‑doped hexagonal boron nitride (TM@h‑BN) monolayers for electrochemical nitrate reduction to ammonia. Fe@h‑BN and Ir@h‑BN emerged as the most promising single‑atom catalysts, showing low limiting potentials of –0.45 V and –0.31 V respectively. Their balanced nitrate...
Researchers applied sulfur fumigation to reconfigure ceria nanoparticle surfaces, exposing (200) and (220) crystal facets and generating abundant oxygen vacancies. This structural shift dramatically boosts the particles’ reactive oxygen species (ROS) scavenging capability while maintaining a liver‑targeting hydrodynamic size (~136 nm)....
The study introduces a plasmonic sensing platform that couples surface lattice resonances (SLRs) from two‑dimensional metal nanoparticle gratings with ZIF‑8 metal‑organic framework (MOF) films. Gratings are fabricated via a template‑assisted, scalable colloidal assembly compatible with MOF growth. By exchanging solvents...
Researchers introduced a Janus‑type electrode that merges hollow RuSe2‑MoSe2@NC microspheres and carbon black within a chitosan aerogel matrix. The asymmetric design simultaneously drives seawater electrolysis and solar‑driven evaporation on a single platform. Under 1 kW m⁻² illumination, the device reduces the overall...
Researchers introduced a co‑assembled hole‑transport layer (AH‑SAM) by blending aminoguanidine dihydrochloride with the standard Me‑4PACz self‑assembled monolayer. The hybrid interface passivates halide vacancies, curbs Me‑4PACz aggregation, and lowers the HTL HOMO level, delivering an open‑circuit voltage of 1.27 V and a...
Researchers have engineered a high‑entropy oxide photocatalyst (BaTiNbTaZnO9) that simultaneously reduces CO₂ to carbon monoxide with over 95% selectivity and oxidizes polyethylene terephthalate (PET) waste into methane, acetate, glycolate and terephthalate under light. The catalyst’s distorted lattice combines electron‑accepting d⁰...
Researchers introduced the TU3 organic molecule as a molecular filler for epoxy resin, creating deep charge traps that dramatically improve dielectric performance. With just 0.02 wt% TU3, breakdown strength rose 30.75% at room temperature and 52.28% at 120 °C, while maintaining long‑term...