Articles tagged with Nanomaterials
Researchers at Drexel University discovered that a few-atoms-thin titanium carbide material called MXene can effectively block electromagnetic radiation. The material's high electrical conductivity and two-dimensional structure make it ideal for shielding devices without adding significant weight.
Researchers at Clemson University are developing new composite materials using tree fibers to create stronger, biorenewable auto parts. The materials have the potential to replace traditional automotive parts with improved strength and sustainability.
A novel nontoxic process generates larger ultrathin sheets of 2-D nanosheets, increasing the material's surface area by 20 times, which could expand its commercial applications. The controlled gas exfoliation process separates 2D nanomaterials for use in separation and catalysis.
The review assesses the fibrotic potential of various nanomaterials, including multi-walled carbon nanotubes, and recommends in vitro approaches to predict lung fibrosis development. This scientific study aims to advance non-animal methods for studying nanomaterial effects on human health.
Scientists create synthetic polymers that decompose without harsh elements, opening doors for biomedical applications such as drug delivery and bioimaging. Preliminary testing shows growth and depolymerization of straight and branched polymers are possible in water and extracellular matrix.
Experts gathered at EPA headquarters to discuss design of in vitro system to assess nanomaterial toxicity, with PETA International Science Consortium funding its development. The report summarizes workshop discussions and recommends aerosol generation and exposure tools.
Scientists propose aerosol generation and exposure tools to predict nanomaterial toxicity in human lungs. These non-animal tools use human lung cells grown in a petri dish, reducing the need for animal testing.
Researchers from Brown University found that repeatedly crumpling sheets of graphene can improve its water-repelling properties and electrochemical behavior. The process creates complex architectures with interesting patterns, including superhydrophobic surfaces and enhanced electrodes for batteries and fuel cells.
University of Wyoming researchers discover that electric fields alter the fracture toughness of nanomaterials, opening new avenues for studying material properties. The findings are crucial for applications and fundamental research in nanoelectromechanical systems.
The USC Viterbi School of Engineering Center has been awarded an $8 million grant under the White House Materials Genome Initiative to develop new nanomaterials. The center will use open-source software, experimental data, and immersive visualizations to accelerate innovation in materials science.
Students from Drexel and KAIST will collaborate on nanofabrication and energy storage projects using latest materials and instrumentation. The FIRST Nano2 Co-op Center aims to foster global partnerships in 21st-century technological challenges.
Researchers at IBS successfully visualized real-time bond formation in a gold trimer complex using femtosecond TRXL, enabling the study of molecular vibration and rotation in solution. The technique allows for the observation of chemical reactions on a nanosecond timescale.
Researchers at the University of Adelaide have made significant advances in crystallography, allowing them to study chemical reactions in their native state. The new technique uses a metal-organic framework to bind reactants and enables the examination of reaction products without isolating or growing crystals.
Researchers developed a new technique to study photochemical reactions, allowing for simultaneous monitoring of electronic and molecular dynamics. This breakthrough could answer questions about photochemical and photobiological systems, enabling the development of more efficient solar energy systems and nanomaterials.
Bending nanomaterials can detach layers from each other, improving control over their electronic and optical properties. This discovery advances research in nanoelectronics and optoelectronics, allowing for more accurate interpretation and tuning of material properties.
The PETA science consortium will present a tiered-testing strategy for assessing nanomaterial hazards at the 7th International Nanotoxicology Congress. The proposed strategy involves multiple in silico and in vitro model systems, data sharing through web-based tools, and is cost-effective while reducing animal use.
Clemson researchers developed a novel nanosizing method to tailor n-type bismuth telluride for high thermoelectric performance. The technique enables the creation of 'interfacial charged defects' that improve structural and thermoelectric efficiency over a wide temperature window.
Researchers from NC State University have developed a theoretical model that can predict the grain size of nanomaterial alloys at elevated temperatures. The model allows for targeted alloy design without trial-and-error, enabling the development of temperature-stable nano-alloys.
International experts propose alternative testing strategies to replace animal-based tests for nanomaterials. Rapid cellular screening and computer modeling can gather certain information about the health and environmental effects of engineered nanomaterials.
Researchers have developed a new nanomaterial that can separate carbon dioxide from nitrogen in flue gas mixtures, reducing CO2 emissions from coal-fired power stations. This material has remarkable selectivity and is energy-efficient, allowing for easy regeneration and reuse.
A consortium of scientists found that breathing ultrafine particles from engineered nanomaterials can cause lung inflammation and damage. The study examined the health effects of two types of nanomaterials and showed similar findings across different labs.
A new spectroscopy method has been developed to analyze light emission from layered nanomaterials, enabling researchers to determine the orientation of emitters and potentially improve the efficiency of optical devices. The technique uses energy-momentum spectroscopy to study interference effects in thin films.
Researchers have discovered that ancient Egyptian blue pigment can break apart into nanosheets, producing invisible infrared radiation. These nanosheets have potential applications in near-IR-based biomedical imaging, IR light-emitting devices, and security ink formulations.
Researchers develop efficient methods for creating nanomaterials and lithium-ion batteries using graphene films grown on copper and nickel foils. Graphene-based battery shows improved performance due to well-defined Bernal Stacking, while tungsten disulfide nanosheets store and release lithium ions through conversion reactions.
A Clemson University physics professor will lead a team to develop novel electrochemical capacitors with scalability blueprints. The project aims to create high-energy storage devices superior to existing ones.
Researchers found nanomaterial dust ignites with less than 1/30th the energy needed for sugar or wheat flour dust, posing significant industrial accident threat.
The new technique enables 3D mapping of crystal structures inside nanomaterials with nanometer resolution, allowing for the study of their special properties and behavior under different conditions. This has significant implications for understanding and optimizing material properties in various applications.
Trapping prostate cancer stem cells with self-assembling nanomaterials inhibits colony formation and cell division in vitro. The approach may offer a new treatment strategy for metastatic hormone-refractory prostate cancer by targeting cancer stem cells, which are thought to be the origin of tumor metastasis.
A new report highlights the potential benefits of nanomaterials in construction, including improved strength, durability, and energy efficiency. However, concerns about adverse health and environmental effects also exist, emphasizing the need for guidelines to regulate their use.
Researchers analyzed over 140 studies on nanomaterials in construction and found benefits including increased strength and durability, as well as improved energy efficiency. However, concerns about potential health and environmental effects exist, highlighting the need for guidelines to regulate their use.
A new study by Rice University researchers highlights the vast potential of nanomaterials in the construction industry, from making more durable concrete to self-cleaning windows. The study also identifies potential adverse health and environmental effects, emphasizing the need for responsible lifecycle engineering.
The University of Nevada, Reno has developed a new curriculum that combines nanotechnology with skiing, aiming to prepare mechanical engineers for emerging challenges. Students will design and manufacture innovative materials and technologies to create extraordinary ski designs, including energy-efficient systems and dynamic structures.
The NIEHS has awarded 13 grants to develop better methods to assess exposure and health effects associated with nanomaterials. This research is essential for harmonizing results, forming a scientifically sound basis for hazard assessment.
ASU professors Stuart Lindsay and Paul Westerhoff will lead two innovative projects to tackle challenges in rapid DNA sequencing and nanotechnology health risks. The projects aim to simplify DNA sequencing like the invention of the transistor simplified electronics.
The new bill (H.R. 554) aims to improve federal risk research and oversight of engineered nanomaterials to protect the public and encourage safe commercial development. A National Research Council report highlighted serious shortfalls in the Bush administration's strategy, prompting Congress to take action.
A new report highlights the need for better toxicity data and private-sector outreach strategies to manage nanowaste. The EPA must conduct outreach to the private sector about how RCRA and CERCLA apply to nanomaterials, while firms and investors must consider emerging liabilities and environmental risks.
The FDA's Nanotechnology Task Force report highlights the challenges of regulating nanotechnology across various product categories. With over 500 manufacturer-identified nanotechnology consumer products being sold annually, the agency must ensure the safety of novel products before they enter the market.
The report emphasizes the need for life cycle assessments to ensure sustainable nanotechnology commercialization, citing limited data on nanomaterial toxicity and environmental impacts. LCA can still be useful, but uncertainties must be clearly stated to address critical unknowns.
The nanotechnology sector is expected to employ over 2 million workers by 2015, but risk research funding is limited, leading to a need for targeted studies on worker exposures. A 'control banding' approach could provide a middle ground between inaction and banning all nanomaterials as hazardous.
The US Department of Defense has funded the Texas Nanotechnology Consortium to develop and commercialize revolutionary nanomaterials for defense aerospace applications. The consortium will partner with the Air Force Research Laboratory to create next-generation composites and smart materials, ensuring US air superiority.
The International Council on Nanotechnology (ICON) has reviewed existing efforts to develop best practices for handling nanomaterials in the workplace. The Phase 1 report highlights the need for better information on industry practices, with some documents not publicly available.
The ICON-funded study aims to identify current nanotechnology standards and practices, with a focus on enhancing environmental and health safety. The research will provide essential data for companies in the US, Europe, and Asia, shedding light on new safety models and identifying areas where they are needed.