Articles tagged with Nanomaterials
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.
A WPI mathematician is working on a project to develop methods to detect flaws in carbon nanotube materials used in composite rocket fuel tanks. He has developed an algorithm that increases the resolution of density scanning systems nine times, enabling more accurate images of the material's uniformity.
Vitamin C has been found to protect MXenes from degradation, allowing for the creation of stable materials. This breakthrough enables the potential application of MXenes in various fields, including energy storage and water purification.
A team of researchers at Texas A&M University has developed a way to control the hydrophobicity of surfaces inspired by nature, which could have widespread applications in the biomedical field. The 'nanoflower' design uses atomic defects in nanomaterials to repel water and clean surfaces.
Scientists have created a method to protect graphene and carbon nanotubes (CNTs) from environmental poisoning, preserving their extraordinary properties. The technique uses a protective layer to allow carbon diffusion, enabling controlled growth of these materials.
UTSA engineers develop graphene-based logic device using spintronics to improve energy efficiency in battery-dependent devices. The technology aims to reduce power consumption and enhance quantum computing capabilities.
Researchers summarize recent advances in 2D nanomaterials for electrodes in lithium-ion batteries, showcasing their high electrochemical and mechanical properties. The review highlights the potential of 2D nanomaterials as anodes and cathodes, with applications in high-performance energy storage devices.
Researchers synthesized a novel rod-like metal-organic framework (MOF-5) nanomaterial for efficient removal of uranium hexafluoride. The study found that MOF-5 exhibited high sorption capacity and was an effective candidate for U(VI) enrichment, alleviating environmental pollution pressure.
A recombinant E. coli strain has been developed to biosynthesize 60 different nanomaterials covering 35 elements on the periodic table. The team successfully synthesized 33 novel nanomaterials for the first time, advancing the design of nanomaterials through biosynthesis.
The SUN project has developed an online platform to support industries and regulatory institutions in evaluating potential risks of nanomaterials. The platform provides key discoveries on the interactions between nanomaterials and biological or ecological systems, enabling safer and more sustainable nanotechnologies.
Researchers at Clemson University have developed a wireless energy generation device called W-TENG, which generates electricity from motion and vibrations. The device uses graphene-PLA fiber and can generate enough voltage to power standard electrical outlets or store energy wirelessly in capacitors.
Researchers at Brown University developed a new technique that enhances NMR signal strength and versatility for studying nanomaterials and exotic states of matter. By using flat NMR coils, the team was able to optimize signal detection for various sample shapes and experiment types.
Researchers at NYU Tandon School of Engineering have introduced a new class of unclonable cybersecurity primitives made from low-cost nanomaterials with high structural randomness. These primitives can be used to securely encrypt and authenticate computer hardware and data physically, rather than through programming.
Researchers aim to develop a framework to inform design of carbon nanomaterials, minimizing potential unintended consequences. They will manipulate surface chemistry and test biological and electrochemical activity to optimize CNM properties.
Researchers at Chalmers University of Technology propose a novel sensor method to detect molecules with ultra-thin nanomaterials, offering improved sensitivity and selectivity for environmental gas detection. The proposed sensors can identify pollutants by altering their optical fingerprint when exposed to molecules.
Researchers developed a computational method that allows for controlled fabrication of tiny electrical wires and other nanomaterials. By analyzing intermolecular interactions, the team was able to predict the outcome of molecular self-assembly with high accuracy, leading to potential breakthroughs in device manufacturing.
Researchers assess environmental costs of electric vehicles, identifying material trade-offs to mitigate climate change. A new framework guides developers in choosing sustainable materials for batteries and fuel cells.
Researchers have developed a method to dissolve layered materials in liquids, producing single layers of 2D nanomaterials that can be applied over large areas at low costs. The new approach enables the creation of scalable solutions for various industrial applications.
Chronic neurodegenerative disorders are progressively altered brain cell functions, but nanotechnology offers a solution with bio-engineered systems that interact at a molecular level. Nanomedicine improves drug efficacy with sustained release, reduced toxicity and fewer side effects.