Today's Nanotech Pulse
Bioinspired Aerogel Pulls Heavy Metals From Deep Soil
Researchers at Zhejiang University created a chitosan‑carbon aerogel with vertically aligned channels that doubles water‑wicking speed and accelerates copper ion transport eightfold. The solar‑driven material can draw contaminated water from up to 1.5 m depth, mimicking plant transpiration for soil remediation.
Also developing:
By the numbers: InPHRED raises $4M seed round
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 cancer cells while sparing mesenchymal stem cells. In vitro tests show significant cytotoxicity against osteosarcoma cells and enhanced alkaline phosphatase activity and mineralization in hMSCs, indicating preserved osteogenic potential. This bifunctional platform offers a targeted therapeutic approach combined with bone regeneration capability.
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...
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...
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....
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...
Researchers Reveal Magnetism with Quantum Potential
Researchers at Oak Ridge National Laboratory discovered that a tantalum‑tungsten‑selenium (TaWSe2) crystal self‑organizes into triangular clusters of ten atoms, contrary to the expected random distribution. The clustered arrangement creates localized strain that triggers a magnetic transition when the material is...
Delta Gold Technologies and Penn State Partner on Scalable Gold-Based Quantum Materials Research
Delta Gold Technologies has entered a three‑year research sponsorship and exclusive licensing deal with Penn State University to develop gold‑nanocluster quantum materials. The collaboration, also involving the University of Toronto, demonstrates tunable spin polarization ranging from 7 % to 40 % and...
Light-Matter Coupling Creates New Quasiparticles for Advanced Physics Exploration
Researchers have demonstrated strong coupling of electrically tunable dipolar excitons in a gated bilayer MoS₂ device integrated with a one‑dimensional photonic crystal. The hybrid system creates composite polariton quasiparticles, with three distinct polariton branches observed as the applied electric field...
New Materials Exhibit Superconductivity After Surface Functionalisation with Common Elements
A first‑principles screening of 128 out‑of‑plane ordered double‑transition‑metal MXenes identified 32 compounds that are mechanically, dynamically and thermodynamically stable and predicted to be superconductors. Transition temperatures range from 0.1 K to a record 52 K, with Mo₂ScN₂O₂ delivering the highest T₍c₎ and...
MRNA-Packed Nanoparticles Restore Fertility in Genetically Infertile Mice and Produce Live Offspring
Researchers at Shanghai Jiao Tong University engineered a lipid nanoparticle (LNP) formulation that delivers therapeutic mRNA directly to spermatocytes in mice. By injecting mRNA encoding the wild‑type Msh5 gene, they transiently restored meiosis in mice with a genetic block, achieving...
First Real-Time Observation of Polaron Formation in Polar Semiconductors
Scientists at LMU and NTU have directly observed polaron formation in polar semiconductor BiOI nanoplatelets using time‑resolved photoemission electron microscopy. The ultrafast measurements captured a 160‑femtosecond formation time during which the electron’s effective mass doubled and its energy decreased, confirming...
Neuromorphic Night Vision Powered by Quantum Dots with Memory
Researchers have engineered ferroelectric quantum dots that embed internal electric fields, enabling efficient charge separation under dim illumination. By coating cadmium‑selenide dots with a ferroelectric polyvinylidene fluoride polymer, they created a floating‑gate phototransistor that stores light‑induced charges as a persistent...
New Nanohole-Based Microscopy Monitors Electrochemical Reactions Millisecond by Millisecond
Researchers at Utrecht University introduced Opto‑Iontronic Microscopy, a nanohole‑based optical technique that records electrochemical reactions with millisecond resolution. By illuminating a single nanohole and tracking scattered light, the method provides a local, real‑time readout of redox activity without vacuum or...
Slippery Ions Create a Smoother Path to Blue Energy
Researchers at EPFL have coated silicon‑nitride nanopores with lipid‑bilayer lubricants, creating a thin hydration layer that dramatically reduces ion friction. This "hydration lubrication" enables ions to slip through the nanofluidic channels at unprecedented speeds while preserving selectivity. In tests mimicking...
Why some Extracellular Vesicles Work Better: A Safer Path for Protein and Gene Delivery
Researchers compared two major extracellular vesicle (EV) biogenesis pathways and found that vesicles generated from cell‑surface protrusions via the I‑BAR protein MIM deliver functional proteins and genome‑editing enzymes far more efficiently than conventional endosome‑derived, CD63‑associated EVs. Using live‑cell imaging, they...
C12 Demonstrates Tunable Metal–Insulator Transition in Ultra-Clean Carbon Nanotubes
C12 and collaborators published a Nature Communications study showing an electrically controlled metal‑insulator transition in ultra‑clean, suspended carbon nanotubes. Using a 15‑gate “keyboard” architecture, they tuned an energy gap from 200 µeV to 30 meV, demonstrating a synthetic charge‑density wave that mimics...
Dry Graphene Transfer at Scale Enabled by a Ferroelectric Polymer that Switches Its Grip on Command
Researchers at NUS and partners have introduced a fully dry graphene transfer technique that uses a ferroelectric polymer, P(VDF‑TrFE), to reversibly switch adhesion. By polarizing the polymer, its grip on graphene overtakes the copper substrate, enabling clean delamination and >99%...
Graphene-Based Sliding Ferroelectric Transistor Stores 3,024 Stable Polarization States
Researchers at Nanjing University of Aeronautics and Astronautics have created an atom‑thin sliding ferroelectric transistor that can store 3,024 distinct, non‑volatile polarization states at room temperature, setting a new record for ferroelectric neuromorphic hardware. The device uses a monolayer graphene...
Scientists Confirm One-Dimensional Electron Behavior in Phosphorus Chains
Researchers at BESSY II have experimentally confirmed that phosphorus atom chains on a silver substrate exhibit genuine one‑dimensional electronic behavior. Using cryogenic STM and angle‑resolved photoelectron spectroscopy, the team isolated the electronic signatures of chains oriented in three 120‑degree directions, revealing...
Graphene Quantum Dots Show Promise as Antioxidant for Injuries
📰 🧪 James Tour Group in the News: Graphene quantum dots could yield an effective antioxidant for various traumatic injuriesThe research of James Tour, the T.T. and W.F. […] https://t.co/nZF8XBp9zL
Spatiotemporal Co‐Delivery of Hydrogen and Magnesium via Microneedle Patches for Neuroinflammation Modulation After Spinal Cord Injury: A Multi‐Modal In Vivo...
Researchers introduced a microneedle patch (MN‑Mg) that simultaneously delivers hydrogen gas and magnesium ions directly into the injured spinal cord. The hydrogen component rapidly scavenges reactive oxygen species, cutting oxidative stress by roughly 55%, while the magnesium release sustains microglial...
Multidimensional Oriented Piezoelectric Conduits for Peripheral Nerve Defect Regeneration
Researchers have created piezoelectric nerve guidance conduits (NGCs) that incorporate zinc oxide nanoparticles and multidimensional oriented structures. The conduits are fabricated by merging digital light processing (DLP) 3D printing with directional freezing, producing channels and micropores that align regenerating axons....
A Facile Magnetically‐Confined Plasma Strategy for Distinct Phase Modulation of Iron Nitride Nano‐Frameworks
Researchers have introduced a magnetically‑confined plasma technique that precisely modulates the crystal phase of iron nitride nano‑frameworks on iron substrates. By tuning the magnetic field strength, the process switches the nitride from orthorhombic Fe2N to trigonal Fe2N, while conventional plasma...
Large‐Scale Cooperative Sulfur Vacancy Dynamics in Two‐Dimensional Mos2 From Machine Learning Interatomic Potentials
Researchers applied two machine‑learning interatomic potentials to monolayer MoS2, achieving nanosecond‑scale molecular dynamics that accurately capture sulfur vacancy migration. The study demonstrates cooperative vacancy transport, cluster incorporation, and the emergence of line defects spanning tens of nanometres. Results align closely...
Blue‐Light‐Excited Cyan‐Emitting Carbon‐Dot‐Ormosil Gel for Blue‐Overshoot Mitigation and Cyan‐Gap Bridging in WLEDs
Researchers have created a carbon‑dot (CD)‑Ormosil gel that absorbs strongly at 450 nm and emits cyan light at 485 nm and 520 nm. The gel can be integrated with existing yellow phosphors in white LEDs to suppress the problematic blue‑overshoot and fill the...
Polarization‐Dependent Elliptical and Rectangular Mie Voids
Researchers have introduced anisotropic low‑index voids—elliptical and rectangular—into high‑index materials to create polarization‑dependent Mie resonances. By varying void geometry, they achieve controlled spectral shifts and distinct optical modes for each polarization state. The effect is demonstrated through nanoscale color printing...
Mechanistic Insights Into Cathode Degradation During Startup‐Shutdown of PEM Water Electrolysis and Mitigation via Semi‐Embedded Pt/CeOx
Researchers identified cathode degradation in PEM water electrolyzers during startup‑shutdown cycles, where cathode potential spikes to ~1.0 V causing carbon corrosion and Pt agglomeration. They demonstrated that commercial Pt/C suffers rapid performance loss under realistic cycling. A semi‑embedded Pt/CeOx catalyst was...
Defect‐Morphology Dual Strategy to Achieve Coral‐Like La1‐xNi0.5‐yFe0.5O3‐δ/NiO Bifunctional Catalysts for High‐Performance Li‐O2 Batteries
Researchers introduced a dual‑strategy design—La‑site deficiency and EDTA‑driven morphological control—to synthesize coral‑like La1‑xNi0.5‑yFe0.5O3‑δ/NiO composites for Li‑O2 batteries. The deficiency generates in‑situ NiO phases and tunes oxygen‑vacancy concentrations, while the chelating agent creates a three‑dimensional porous network that accelerates ion diffusion....
Carbon Fibers Bend and Straighten Under Electric Control
Researchers at the Polish Academy of Sciences have demonstrated that bare carbon fibers can be reversibly bent and straightened using electric fields in a closed bipolar electrochemical cell. The actuation relies on asymmetric ion insertion and redox reactions at the...
Nanopillar-Studded Plastic Films Physically Destroy Viruses, Cutting Infectivity by 94% without Chemicals
Researchers at RMIT and international partners engineered flexible acrylic films stamped with dense nanopillar arrays using ultraviolet nano‑imprint lithography. The 60 nm pitch configuration reduced human parainfluenza virus type 3 infectivity by up to 94 % within one hour, achieving mechanical rupture of...
Natural Green Antioxidant Proanthocyanidin Enhances the UV/Oxidation Resistance of Perovskite Solar Cells Through Buried Interface Modification Strategy
Researchers introduced natural grape‑seed proanthocyanidins (OPC) at the TiO₂/perovskite buried interface of perovskite solar cells, employing a combined antioxidant, passivation, and UV‑protection strategy. The hydrogen‑bond network created by OPC reduces defect states on the electron‑transport layer, suppresses carrier recombination, and...
Kerala Government Announces New Graphene Policy
The Kerala government unveiled a dedicated graphene policy to unify and accelerate its existing research and industrial initiatives. The policy builds on the state’s Graphene Innovation Centre, a large‑scale pilot plant, and budgeted priority status, creating a seamless pipeline from...
DNA Nanomachine Inside Living Cells Measures How Aggressive a Cancer Is
Researchers at Wenzhou and Fuzhou Universities unveiled a three‑wheel DNA nanomachine (TW‑harvester) that rides a gold‑nanoparticle track inside living tumor cells. The device uses a DNA tetrahedron with an aptamer targeting nucleolin and miR‑21‑triggered wheel activation to cleave fluorescent substrates,...
Novel Calcium-Ion Battery Technology Enhances Energy Storage Efficiency and Sustainability
Researchers at HKUST have unveiled a high‑performance quasi‑solid‑state calcium‑ion battery that uses redox‑active covalent organic framework electrolytes. The QSSEs achieve 0.46 mS cm⁻¹ ionic conductivity and enable Ca²⁺ transport rates above 0.53 at room temperature. A full cell delivers 155.9 mAh g⁻¹ specific capacity...
Beyond the Fitbit: Why Your Next Health Tracker Might Be a Button on Your Shirt
Scientists at King’s College London discovered that loose‑fit clothing can track human movement more accurately than tight wearables, delivering 40% higher precision while using 80% less data. The research, published in Nature Communications, suggests that simple fabric elements—such as a...
New Fluorescence Strategy Could Enable Real-Time Tracking of Microplastics Inside Living Organisms
Researchers have devised a fluorescence‑monomer synthesis that embeds light‑emitting units directly into microplastic polymers, allowing stable, real‑time imaging of particles inside living organisms. Current detection methods provide only static snapshots and require destructive sampling, limiting insight into particle transport, transformation,...
Fast Microwave Method Produces Advanced Carbon Materials for Efficient CO2 Capture
Scientists have introduced a microwave‑assisted synthesis that converts coal into nitrogen‑doped ultramicroporous carbon in about ten minutes. The rapid method preserves nitrogen and oxygen functional groups, creating pores of 0.6‑0.7 nm that tightly fit CO₂ molecules. The resulting adsorbent captures up...
New Alloy Design Strategy at the Atomic Scale Greatly Enhances Metal Fatigue Resistance
Engineers at the University of Illinois Urbana‑Champaign have uncovered a fundamental deformation mechanism—dynamic plastic delocalization—that spreads plastic strain uniformly across metallic alloys, dramatically boosting fatigue resistance. By leveraging high‑throughput, high‑resolution digital image correlation and atomistic simulations, the team demonstrated that...
NSF Invests Up To $100 Million Over Five Years in National Quantum Research Network
The National Science Foundation announced a $100 million, five‑year National Quantum and Nanotechnology Infrastructure (NQNI) program. The initiative will establish up to 16 open‑access research sites offering advanced fabrication and characterization tools for quantum information science, biotechnology, AI, and semiconductor development....
Current State of US Government Research Funding
🧪⚛️ A very incomplete look at where we are on government support for research in the US right now. https://t.co/C4McqCRrX1 https://t.co/Ef8HSF2kRH
Nanostructured Plasma Engineering Extends the Life of Industrial Steel
A plasma‑based low‑energy nitrogen ion implantation (PBLEII) treatment dramatically improves the corrosion resistance of 17‑4PH martensitic stainless steel, with peak performance at 450 °C. Electrochemical tests show the corrosion potential shifting to –169.4 mV (SCE), passive current density dropping to 0.5 µA cm⁻², and...
Antigen Orientation Boosts HPV Cancer SNA Vaccine, Slows Tumors in Models
Northwestern researchers engineered a spherical nucleic acid (SNA) vaccine in which the HPV16 E7 peptide is displayed at the nanoparticle surface via its N‑terminus. This N‑terminal orientation (N‑HSNA) generated up to eight‑fold higher interferon‑γ secretion and 2.5‑fold greater cytotoxicity than...
Bioresorbable Implant Uses Heat to Block Pain
Our latest paper appeared today as a cover (inside front) feature article in Advanced Functional Materials, titled “A Bioresorbable Neural Interface for On-Demand Thermal Pain Block.” The focus is on a bioresorbable, implantable form of neural electronics that supports precisely...