Articles tagged with Nanomaterials
Matthew Jones, a Rice University chemist, has won a National Science Foundation (NSF) CAREER Award to investigate the fundamental processes of nanoparticle formation. He aims to develop a mechanistic understanding of nanoparticle growth to control their size and shape, enabling advances in biomedicine, energy storage, and computing.
Scientists at UC Riverside and UCLA have engineered nanoparticles to serve as 'molecular traps' that bind to SARS-CoV-2, preventing it from attacking macrophages and inducing inflammation. The findings suggest potential therapeutic strategies for treating COVID-19-associated diseases.
A team of scientists from Korea Maritime and Ocean University has developed a novel synthesis route to produce a high-performance co-doped anode material for rechargeable seawater batteries. This breakthrough enables the creation of efficient and sustainable maritime applications, including emergency power supply for coastal nuclear pl...
University of Rochester researchers adapt excited state lifetime thermometry to extract temperatures of nanoscale materials from light emitted by nitrogen vacancy centers in single nanodiamonds. The technique allows for precise measurement of temperature changes on fast time scales and is safe for imaging sensitive nanoscale materials ...
A UCF researcher is leading a $1.5 million DARPA project to develop a highly sensitive infrared imaging system that can enhance night vision, space exploration, and healthcare diagnostics. The system will use graphene-based nano-antennas to collect light, enhancing infrared absorption by over 30 times.
A new wearable sensor has been developed using MXene nanomaterials that can detect changes in pH levels in sweat, which correlate with muscle fatigue. The device measures electrical resistance patterns in response to mechanical stress and pH changes.
Researchers have created nanoparticles that can store hydrogen, reducing the need for pressurized tanks and cooling. The discovery could enable climate-friendly fuels and production methods for airplanes, ships, and steel.
Researchers at Lawrence Berkeley National Laboratory developed a method to stabilize graphene nanoribbons and directly measure their unique magnetic properties. By substituting nitrogen atoms along the zigzag edges, they can discretely tune the local electronic structure without disrupting the magnetic properties.
Researchers at NIST developed new standards and calibrations for optical microscopes, enabling accurate measurement of microdroplet volumes smaller than 100 trillionths of a liter. They combined microscopy with gravimetry to verify results, linking their findings to fundamental constants of nature.
Researchers outline development direction of carbon nanomaterials for cancer treatment using chemodynamic therapy. They focus on highly stable and safe nanozymes with high peroxidase-like activity and near-infrared emission properties.
Researchers at Kyoto University developed nanodiamond-reinforced composite membranes to purify hydrogen from humid mixtures. The addition of positively charged nanodiamonds resolves the humidity-induced disintegration problem, making the membrane more compact and water-resistant.
Researchers at Lehigh University are working on a project funded by the Good Food Institute grant to adapt human tissue engineering techniques for growing meat in the lab. The team is developing a scaffold for meat cells to grow on and using electrochemistry, nanomaterial design, and liposomal delivery vehicles to promote fibrous growth.
Researchers have created a microcrystal that utilizes self-continuous reciprocating motion for propulsion, enabling the microrobot to move itself sustainably in water. The microrobots exhibited different styles of propulsion and were affected by fin length, ratio, and elevation angle.
Scientists from City University of Hong Kong successfully developed battery-like electrochemical Nb2CTx MXene electrodes with stable voltage output and high energy density. The findings break the performance bottleneck of MXene devices, exhibiting superior rate capability, durable cyclic performance, and high energy density.
Researchers used a new X-ray technique to identify substances quietly eating away at the Mary Rose's timbers, contributing to its decay. The technique, developed by Kirsten Marie Ørnsbjerg Jensen, allows for better preservation of cultural artefacts and archaeological relics.
A research team discovered a quantum confinement effect in a 3D-ordered macroporous structure of BiVO4, enabling hydrogen production under visible light. The study found that the 3DOM structure had higher photocatalysis efficiency and produced more oxygen than its plate-like counterpart.
A RMIT-led collaboration demonstrates large in-plane anisotropic magnetoresistance (AMR) in monolayer WTe2, a quantum spin Hall insulator. The team successfully fabricates devices and observes typical transport behaviors, showing promise for future low-energy electronics.
Researchers at Osaka Prefecture University create a high-capacity Li2S-based positive electrode using an oxidation-tolerant solid electrolyte, bringing all-solid-state batteries closer to reality. The study found that the electrochemical window of solid electrolytes must exceed 0.2V for high energy capacity.
Scientists fabricate 1D and 2D boron sulfide (BS) nanosheets with unique electronic properties that can be controlled by changing the number of layers. The bandgap energy decreases as more layers are added, making BS a potential n-type semiconductor material.
A graphene-based nanoelectromechanical periodic array has been demonstrated, showing a large number of quasi-continuous resonance modes over a wide tunable frequency range. The device's frequency can be adjusted by applying an electric field to the graphene material.
A team of researchers from Japan has developed a platform using nanofibers to capture and control the migration of brain tumor cells, including glioblastoma multiforme. The study found that varying fiber densities can slow or speed up cell movement, leading to the creation of 'cell traps' that can restrict tumor cell growth.
A novel nanostructure combining aluminium single crystals and semiconductor germanium shows unique effects at low temperatures, including superconductivity and electric field control. This structure is well-suited for complex quantum technology applications and can be fabricated using established semiconductor techniques.
Researchers developed a versatile composite fabric that can deactivate both biological threats like SARS-CoV-2 and chemical threats like chemical warfare. The material is also reusable and scalable.
Researchers use high-intensity X-rays to study a single catalyst nanoparticle's surface changes during chemical reactions. The study reveals how the surface composition affects activity, shedding light on industrial catalytic materials.
A novel antigen-based COVID-19 detection method demonstrated 100% accuracy in a blind test within five minutes. The rapid swab test uses nanomechanical platform to detect multiple surface proteins on the COVID-19 virus, showing potential to differentiate among different variants and viruses.
Researchers at RMIT University have developed a clean and cost-effective way to upcycle used plastic into high-value products such as carbon nanotubes and clean liquid fuel. The two-step process converts organic waste into charcoal, which is then used as a catalyst to upcycle the plastic.
Researchers at Chalmers University of Technology have created microscopic metavehicles that can be controlled and maneuvered using light. By layering an optical metasurface onto a particle and using a light source to control it, the vehicles can move in complex patterns and even transport other objects.
Researchers discovered a nanomaterial that boosts antibody production while minimizing inflammation, opening up new possibilities for vaccine development. The 'micelle' scaffolds can be used to generate laboratory-scale quantities of therapeutic antibodies against real-world pathogens.
Researchers at CU Boulder have discovered a way to cool down ultra-small heat sources by packing them closer together, using computational simulations to track the passage of heat. The findings highlight the challenges of designing efficient electronic devices and could lead to faster cooling in future tech.
A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.
A new study reveals the emergence of magnetism in a 2D organic material due to strong electron-electron interactions in its unique star-like atomic-scale structure. The findings have potential applications in next-generation electronics based on organic nanomaterials.
Researchers have developed a smart dental implant that resists bacterial growth and generates its own electricity through chewing and brushing. The implant uses a nanoparticle-infused material that repels bacteria and an embedded light source powered by piezoelectric properties to conduct phototherapy.
Scientists create a flexible supercapacitor using wrinkled titanium carbide nanosheets that maintains its ability to store and release electronic charges after repetitive stretching. The device has a high energy capacity comparable to existing MXene-based supercapacitors, but with extreme stretchability up to 800% without cracking.
Researchers at Goethe University Frankfurt and Bonn have synthesized molecular nano spheres made of silicon atoms, known as silafulleranes, which can encapsulate chloride ions. The discovery of these new compounds may lead to improved applications in electronics, solar cells, and batteries.
Researchers found that certain nanomaterials break down rapidly when exposed to light but decompose slowly in its absence. This discovery highlights the need for better understanding of nanomaterial behavior under environmental conditions.
Researchers developed a method to scale up nanocages to trap noble gases like krypton and xenon. The team used commercial materials and found the optimal temperature range for trapping gas atoms inside the cages.
Researchers at IBS developed a novel composite material consisting of metal nanowires within an ultrathin rubber film. The float assembly method creates a monolayer of nanowires in the rubber film, resulting in excellent physical properties such as high stretchability and metal-like conductivity.
Researchers have successfully synthesized AIE-active nanoparticles in a single step, producing fluorescent sensors that can detect nitroaromatic compounds with high sensitivity. The novel solid-state sensors show quenching of fluorescence emission on contact with PA, enabling fast and accurate detection of explosives.
The Center for Adapting Flaws into Features will explore chemical defects to optimize material properties, with a focus on creating better catalysts and electronics. The team aims to develop new approaches towards transformative technologies by leveraging advanced microscopy, spectroscopy, and data science.
Researchers at INRS and Université de Montréal are developing new electrodes based on nanostructured materials to degrade chemical compounds, including persistent organic pollutants (POPs) like PFAS. The project aims to create innovative solutions to decontaminate waters containing harmful chemicals.
Researchers at North Carolina State University demonstrated a low-cost technique for recycling nanowires from electronic devices. The method involves dissolving the polymer matrix containing the nanowire network and separating the nanowires using ultrasound, allowing for their reuse in new devices. After four life cycles, the nanowires...
Researchers develop roadmap combining smart and nano-enabled agriculture with AI and machine learning capabilities to reduce hunger by 2030. The study outlines steps needed to safely harness the power of nanomaterials in agricultural environments.
Researchers have developed a decision support system to identify the environmental impact of nanomaterials faster and more cost effectively. The library contains full physicochemical characterization of 69 nanomaterials, including calculated molecular descriptors.
The Korea Institute of Machinery and Materials (KIMM) has developed a roll-based damage-free transfer technique to transfer wafer-scale two-dimensional nanomaterials onto substrates without damage. The proposed technique enables large-area continuous transfer of nanomaterials, similar to paper printing.
Researchers from TU Wien and international partners discovered MXene's exceptional properties as an ultra-durable dry lubricant, reducing friction to one sixth and withstanding 100,000 movement cycles without issues. Its heat resistance and independence from atmosphere and temperature make it suitable for various industrial applications.
A new study found that nanomaterials can bind strongly to microorganisms, entering the food chain and accumulating in organs like the brain. The use of nanomaterials is challenging to regulate because of their small size, making it difficult to assess their possible risk.
Researchers at Emory University developed a shape-shifting nanomaterial made of synthetic collagen that can be triggered to change its form from flat sheets to tubes and back again. The material has biomedical applications such as controlled-release drug delivery and tissue engineering.
Researchers at Penn State have developed a nanomaterial cement mixture that can effectively seal leaky natural gas wells, reducing methane emissions. The new cement is more resistant to cracking and can be pumped through narrow spaces, making it suitable for use in active unconventional wells and orphaned abandoned gas wells.
A comprehensive review of biosynthesis methods for diverse inorganic nanomaterials produced under mild conditions by microorganisms and bacteriophages, highlights strategies for improving producibility and crystallinity.
Researchers propose using nanomaterials to elevate oxygen levels in tumor tissues, reducing resistance to therapies. Additionally, therapeutic gas-generating and radical-generating nanomaterials can control oxygen delivery and induce cell death, offering new avenues for hypoxic tumor treatment.
A new method developed by researchers at the University of Sussex provides detailed information about the size and thickness of graphene particles. This technique is a non-destructive, laser-based approach that allows for statistical mapping of nanosheet populations in materials.
The BIO Integration Journal bridges the gap between laboratory, clinic, and biotechnology industries, offering a cross-disciplinary platform for biomedical research advances. Featured papers emphasize interdisciplinary integration in COVID-19 research and immunotherapy strategies.
A new microscopy technique called Pulsed Force Kelvin Probe Force Microscopy (PF-KPFM) has been developed, allowing for less than 10 nanometer measurements of work function and surface potential in a single-pass AFM scan. This breakthrough enables the characterization of the electrical properties of nanomaterials at the nanoscale.
Bacteria-based nanobiohybrids have the potential to provide a targeted and effective approach for cancer treatment. Nanobiohybrid systems combine bacteria with nanomaterials in cancer therapy, offering advantages such as tumor targeting ability, genetic modifiability, and multimodal therapy.
Biomass-enabled nanomaterials are being developed to facilitate energy-efficient water treatment, with potential applications in reducing costs and providing clean water to communities. The materials will be designed to remove organic pollutants and heavy metals from water, enabling sustainable desalination and purification processes.
A novel technology using salt crystals allows easy observation of carbon nanotubes under room temperature, revealing their shape and position changes. The coating also enables the amplification of optical signals up to hundreds of times, facilitating the detection of molecules on the surface of CNTs.
Researchers at Drexel University have developed a lab-scale reactor system that can produce large quantities of MXene in bulk, preserving its unique properties. The system uses a computerized process to refine the material and ensures consistency, a critical step towards achieving manufacturing standards.
Researchers at Penn State have developed a wearable gas sensor that detects gases, biomolecules, and chemicals using nanomaterials. The device's self-heating mechanism improves sensitivity and allows for quick recovery and reuse.
Scientists developed a nanomaterial that can detect the twist direction of molecules with ultra-sensitivity, removing a major roadblock in research. The material's unique symmetry properties allow for sensitive detection of molecular chirality, which is crucial in pharmaceuticals and materials science.
Researchers developed graphene-based films that protect skin from mosquitoes by impeding their ability to detect molecular attractants. These wearable patches offer a potential solution for preventing insect bites without conferring mechanical puncture resistance.