Articles tagged with Nanomaterials
Lanthanide nanoprobes have improved signal-to-noise ratio, enabling ultrasensitive detection of cancer biomarkers and visual identification of cancer cells. The nanoparticles maintain stable luminescence across a wide pH range and in simulated human body fluids, ensuring reliable performance.
A new heat transport regime, known as hydro-thermoelastic transport, has been discovered in ultrathin semiconductors like molybdenum disulfide and molybdenum diselenide. This regime shows that thermal diffusion is highly impeded, leading to unexpected behavior such as phonon hydrodynamics.
Researchers discovered that sea squirts package adhesive materials into nanocondensates, which deliver them to the destination and unpack for use. This mechanism is distinct from mussels' adhesion strategy, providing clues for developing bio-adhesives to assist in seaweed cultivation.
Researchers have developed nanoparticles that sequentially disable the cancer cell's drug-expulsion mechanism and then release anticancer drugs, combined with photothermal therapy. This approach overcomes multidrug resistance and achieves complete tumor elimination in a mouse model, with no detectable toxicity to normal tissues.
Researchers at Sultan Qaboos University developed a portable sensor for quick pathogen detection, overcoming limitations of conventional methods. The device can be used for field inspections, remote settings, and environmental monitoring, enabling personal, real-time testing.
Researchers have developed a new methodology for selective molecular transformations of polycyclic aromatic hydrocarbons (PAHs), targeting the challenging L-region. This enables the creation of larger PAH structures and new nanographenes, increasing versatility in technological applications.
Researchers developed nanoribbons with tailored electronic properties, enabling flexible electronics, ultra-small circuits and more efficient solar cells. The discovery paves the way for unprecedented control in next-generation technologies.
Researchers investigate whether micro- and nanoplastics contribute to liver disease through oxidative stress, fibrogenesis, and inflammation. They emphasize the need for increased research into plastic-induced liver injury and its potential impact on human health.
A team of scientists has developed a new method to assemble luminescent molecules into nanotubes with unusual excitonic properties. The nanotubes can be arranged to form luminescent fibers that reach several centimeters in length, and exhibit multidirectional energy transfer within their interiors.
Researchers from Kumamoto University and partners discovered a method to enhance titanium alloys using high-density pulsed electric current, achieving improved strength and toughness. The technique harnesses an electron wind force to reorganize the internal crystal structure, producing nanoscale martensitic phases that disperse stress ...
Engineers at Northwestern University developed artificial neurons that generate realistic electrical signals to activate living brain cells. This breakthrough paves the way for brain-machine interfaces and neuroprosthetics, as well as more efficient brain-like computing systems.
Researchers at Rice University create a new 3D-printing process using focused microwaves that enables spatially programming functional properties of printed electronic inks. This technology allows for the creation of multifunctional circuitry with diverse material classes, expanding device possibilities.
Researchers have successfully created a high-efficiency quantum light source that emits bright lights even at room temperature using 2D semiconductors. The achievement is made possible by confining excitons in a tiny region via nanohole-induced confinement and neutralizing excess charges.
David Cullen, a distinguished R&D staff scientist at Oak Ridge National Laboratory, has been elected a Fellow of the Microscopy Society of America. He is recognized for his research excellence and service in advancing microscopy and microanalysis.
A comprehensive review reveals how phospholipid asymmetry governs EV surface charge, providing a unified framework for classification, functional understanding, and standardization in nanomedicine. The study highlights the importance of membrane lipid composition and surface charge in determining EV function.
A novel sensor made of strontium oxide, functionalized carbon black, and reduced graphene oxide detects theobromine in foods, beverages, and pharmaceuticals with high accuracy and speed. The sensor's neutral pH and low sample amounts make it safer and more environmentally friendly than traditional methods.
Breast cancer diagnosis and treatment have been enhanced by nanotechnology, improving outcomes for patients. Various formulations such as lipid nanoparticles, nanoemulsions, polymeric nanoparticles, and metal-based nanoparticles offer improved bioavailability and overcome limitations of conventional therapies.
Researchers developed a biodegradable composite made from spent coffee grounds and natural polymer, offering strong thermal insulation while being environmentally sustainable. The new material has a thermal conductivity comparable to commercial expanded polystyrene and is fully derived from renewable resources.
Researchers have created a dark, rubbery film that combines physical textures with light-absorbing nanotubes to keep surfaces ice-free at -50 °C. The film operates using a two-tier defense mechanism, providing both passive and active anti-de-icing capabilities.
Researchers redesigned a key component of lipid nanoparticles to steer particles toward lymph nodes, reducing off-target delivery. This advancement could make mRNA vaccines more efficient, potentially achieving strong immune protection at lower doses.
Researchers have synthesized belt-like VO₂(b) single crystals with high sensitivity to ethanol at room temperature. The crystals' unique surface structure strongly adsorbs ethanol molecules, promoting efficient charge transfer and exceptional sensing performance.
LMU researchers have developed a molecular 'anchored net' to stabilize perovskite solar cells against thermal fatigue. The technology achieves efficiencies of over 25 percent and retains 84% of its original efficiency after 16 extreme temperature cycles.
Researchers at the University of Pennsylvania developed lipid nanoparticles that modify immune metabolism to strengthen mRNA vaccines and reduce common side effects. The new lipid boosts the metabolism of immune cells, providing energy for the body's defenses while dialing down inflammatory signals.
The study found that using heavy water in the electrolyte solution significantly increased energy output from the yarns, with up to 2.5 times higher peak electrical power and 1.8 times more energy per stretching cycle. The energy conversion efficiency reached 9.5%, higher than any other previously reported twistron harvester operating ...
Recent advances in photonic nanomaterials and healthcare devices have led to the development of wearable and implantable medical devices. These devices utilize light for precise manipulation of cells and tissues, offering new possibilities for early disease detection, light-based therapies, and personalized precision medicine.
A new material, benzene-phosphonic acid (BPA), enables self-powered operation of smart sensors and wearables. The breakthrough technology reduces fabrication costs and promotes environmental sustainability.
A team of researchers at the University of Chicago has made a groundbreaking discovery in the field of nanocrystals, shedding new light on cation exchange reactions. By applying a cellular automaton model, they were able to demonstrate that a single atom can be replaced with another in a tiny crystal, even as all the atoms remain in or...
Researchers from the University of Ottawa have developed a groundbreaking biomaterial that combines strength, adaptability, and biological compatibility for soft tissue repair. The hydrogel is made from synthetic peptides and can be precisely tailored through chemical design, making it an attractive alternative to existing biomaterials.
Emerging biochar-based nanomaterials show promise in tackling global challenges such as climate change and healthcare innovation. These materials may support cleaner energy systems, improved health technologies, and resilient infrastructure through their unique properties and applications.
Researchers at Jeonbuk National University have developed a new method for detecting microplastics using metal oxide electrodes, offering a rapid and sensitive solution for environmental monitoring. The technology has the potential to replace traditional spectroscopic methods with its portability, low cost, and real-time capabilities.
Researchers at The University of Osaka developed a solid-state analogue that enables the formation of subnanometer pores approaching biological ion-channel dimensions. The team demonstrated the opening and closing process hundreds of times, with spikes in current consistent with biological channels.
UCLA researchers have developed a novel gene-editing approach using lipid nanoparticles to deliver a full-length CFTR gene into human airway cells. The study shows promise for treating cystic fibrosis by correcting the underlying genetic mutation, which could lead to more effective and long-term therapies.
The study reveals that redefining the concept of electrode-electrolyte interphase layers can improve battery stability and performance. Researchers found that careful control of interphase properties through materials choice, electrolyte formulation, and binder selection can significantly extend battery life.
Researchers at ITMO University have developed a new solution for cleaning up contaminated water by harnessing the power of light. Carbon dot-polymer composites are revolutionizing the cleanup of toxic wastewater, making it more efficient and scalable.
A team of researchers from Okayama University directly observes the atomic-scale growth of ultra-thin semiconductor crystals using a microreactor. They identify multiple growth regimes and dynamics, shedding light on how crystal shape and quality depend on conditions.
A new window technology shields buildings from EMP threats while maintaining transparency. The innovative design offers broadband EMP protection with high optical transparency, suitable for practical architectural applications.
Researchers developed a synergistic structure-doping regulation strategy for lignin-based carbon aerogels using phytic acid, promoting uniform spherical hierarchical structures and dual phosphorus-sulfur doping. This approach achieves high-performance supercapacitors with superior power density and energy storage capabilities.
A study published in Carbon Research reveals that heating single-walled carbon nanotubes at 400°C for four hours can dramatically expand their available surface area, nearly doubling their CO2-trapping power. This breakthrough could provide a vital tool for the next generation of carbon capture technology.
Researchers develop versatile molecular platform to synthesize multiple functionalized carbon nanohoops, exhibiting high circularly polarized luminescence and other advanced photophysical properties. The breakthrough method enables multi-site functionalization and creation of chiral nanohoops with remarkable optical performance.
Researchers have found that nanoplastics interact with environmental microbes, strengthening bacteria and antimicrobial-resistant pathogens. This can lead to challenges for water treatment and distribution systems. More research is needed to understand the molecular mechanisms underlying these interactions.
Mannitol outperforms other green additives in slowing re-polymerisation of cellulose-lignin linkages, cutting molecular weight and raising hydrogenolysis monomer yield. The additive forms an average of 28 hydrogen bonds per simulation box, effectively capping sites where carbocations normally form.
A nanostructure composed of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device, displaying properties of both light and matter. This discovery could lead to dramatically increased information transmission rates in optical data processing.
Scientists develop ultra-selective crystalline membranes to recycle polluted textile wastewater and improve pharmaceutical medicine purity. The technology could significantly reduce energy consumption, enabling large-scale water reuse in industries.
The study demonstrates large NIR modulation using low-cost sodium electrolytes, comparable to lithium-based systems, with efficient heat-shielding performance. This breakthrough offers a practical solution for thermal regulation in diverse climate conditions.
Researchers develop synthesis method for metal-single atom catalysts that boosts electrolysis-based hydrogen production. The new method produces high purity H2 with only oxygen as a by-product and demonstrates outstanding catalytic performance.
Professor Tae-Woo Lee's research group develops hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the long-standing instability of metal-halide perovskite emitters while achieving record-breaking quantum yield, operational stability, and scalability. This breakthrough paves the way for next-generation v...
A team of researchers at Northern Arizona University discovered that fabricated gold, copper and iron nanocrystals exhibit pentagonal constructs resembling natural snowflakes, governed by emergence dynamics. This phenomenon holds key findings for controlling nanomaterial synthesis and advancing the field.
A team at UC San Diego is developing functional, patient-specific livers using 3D bioprinting and stem cell technology. The goal is to create 'made-to-order' livers grown from a patient's own cells, offering a safe alternative to transplantation that eliminates the need for donor organs.
A team from Harvard and University of Lisbon found that silica, a low-refractive index material, can be used for making metasurfaces despite long-held assumptions. They discovered that by carefully considering the geometry of each nanopillar, silica behaves as a metasurface, enabling efficient design of devices with relaxed feature sizes.
Researchers at Jeonbuk National University propose hierarchical porous copper nanosheet-based triboelectric nanogenerators, demonstrating efficient energy harvesting and multifunctionality. The devices achieve a remarkable 590% increase in electrical output while maintaining stability over 100,000 repeated mechanical cycles.
Researchers found that Cornell prime dots can reprogram the tumor microenvironment, transforming melanoma and other aggressive solid tumors into responsive ones. The particles stimulate innate immune responses, halt cancer cell proliferation, reduce immune suppression, and repurpose key immune cells to attack cancer more effectively.
New bioimaging tools follow nanoscale pollutants from entry to accumulation in organs, enabling real-time tracking and early detection of subtle effects. AIE-based probes distinguish nanoplastics or metal nanoparticles' behavior in cells, tissues, and organs.
Researchers at China Jiliang University have developed a comprehensive review of metasurfaces for generating and controlling perfect vortex beams. The advancements in this field offer new possibilities for high-precision optical applications.
A novel machine learning framework predicts protein binding on gold nanoclusters, revealing chemical principles governing biomolecule–gold interactions. The model enables scalable design of effective nanomaterials for biomedical applications.
A team at Penn State has developed a high-speed platform capable of producing synthetic brochosomes, tiny nanostructures that make insects invisible to predators. The technology could lead to advancements in camouflage, sensors, and other applications.
Researchers at Tohoku University and Indian Institute of Technology Indore developed a Cu14 nanocluster with a single exposed Cu site, exhibiting high ammonia selectivity and production rate. The findings support the creation of efficient metal nanocluster catalysts for green energy production.
Researchers developed a novel bioelectronic material that transforms from a rigid film to a soft, tissue-like interface upon hydration, enabling seamless integration with living tissues. The device, called THIN, has been shown to record biological signals with high fidelity and stability in animal experiments.
Researchers have successfully assembled higher-order supramolecular polymers through cooperative interactions between aryl barbiturate molecules. The study's key findings include the intentional weakening of p-conjugated core interactions to promote alkyl−alkyl interactions, resulting in unique assembly and disassembly behavior.
Dr. Nevill Gonzalez Szwacki's research explains boron nanostructures diversity and predicts new materials with specific properties. The study combines known structures and predicts electronic properties based on atomic coordination.
Researchers at Chalmers University of Technology have developed a new material that uses metal-organic frameworks to physically injure and kill bacteria, preventing biofilm formation without antibiotics or toxic metals. This innovation eliminates the risk of antibiotic resistance and has potential applications in various industries.