A new strategy uses self-assembling peptide nanotubes to deliver doxorubicin into the nucleus of chemotherapy-resistant cancer cells, preserving antitumor activity. The approach utilizes cyclic peptides to stack and self-assemble into hollow cylindrical structures that facilitate drug delivery.
Researchers have successfully grown the smallest stable carbon nanotubes, a breakthrough that could lead to advancements in nanoelectronics and cutting-edge technologies. The study uses rhodium-based catalysts to achieve a high yield of the (5, 4) nanotube, paving the way for future applications.
A study reveals that warming temperatures alone do not lead to increased carbon dioxide emissions from soil. Instead, adding more carbon and nutrients like nitrogen and phosphorus triggers higher CO2 levels released from the soil. This finding highlights the crucial role of microbes in regulating soil carbon cycling.
A study found that many low carbon taxes were initially implemented for non-climate reasons, such as generating revenue or meeting international expectations. Despite being ratcheted up over time, only a few countries showed strong evidence of sequencing to increase emissions reduction.
New research reveals that lake littoral zones store more carbon than previously thought, highlighting the need for inclusion in global carbon budgets. By including these zones, lakes may switch from being net carbon sources to net carbon sinks.
A recent study reveals that soil viruses can enhance the accumulation of recalcitrant dissolved organic matter, leading to increased soil carbon sequestration. Viral mechanisms also highlight a novel coupled carbon and nitrogen cycling process, modulating soil greenhouse gas emissions.
Scientists at Rice University develop a new method to align boron nitride nanotubes (BNNTs) in water using a common surfactant, creating ordered liquid crystalline phases. The discovery enables the production of transparent, robust films ideal for thermal management and structural reinforcement applications.
Researchers Mostafa Bedewy and Ahmed Aziz Ezzat are advancing nanomanufacturing by using machine learning to control the formation of nanoparticles and grow carbon nanotubes. The team aims to reveal which nanoparticles act as seeds for growing nanotubes, a key step towards creating ideal high-density structures.
A new study reveals that rivers release around two gigatonnes of carbon each year, with over half coming from ancient carbon stores. This finding emphasizes the crucial part plants and shallow soil layers play in combating climate change.
Carbyne, a linear chain of carbon atoms, exhibits unexpected quantum mechanical interactions with surrounding nanotubes. This phenomenon is due to the intrinsic electronic properties and structural instability of the chain, making it strongly react to external influences.
A study uses a probabilistic life cycle approach to evaluate the carbon emission intensity of magnesium silicate hydrate cement (MSHC), finding that its low-carbon characteristics vary depending on mix proportions and Mg/Si ratio. Machine learning techniques improve accuracy and provide reliable scientific evidence for the construction...
Researchers at Penn State discover a way to stabilize and produce large quantities of carbyne, a one-dimensional chain of carbon atoms, by encasing it in single-walled carbon nanotubes. This breakthrough could lead to new advancements in materials science and technology, with potential applications in electronics and computing.
The study improves the thermoelectric properties of p-type and n-type single-walled carbon nanotubes, increasing their power factor to twice and three times that of pristine SWCNTs. The underlying mechanisms involve energy filtering and charge transfer processes.
A new study finds that the majority of carbon dioxide absorbed by ecosystems is stored in dead plant material, soils, and sediments. This discovery suggests that terrestrial carbon stocks are more resilient and stable than previously thought, with most carbon sequestered over the last three decades stored in nonliving organic matter.
Recent studies have shown that most of the terrestrial carbon accumulation occurs in non-living pools, such as soil organic matter and bodies of water. The research team found that around 35 gigatonnes of carbon were sequestered on land between 1992 and 2019, with a 30% increase over the last decade.
Scientists have successfully fabricated functional wires using single-walled carbon nanotubes (CNTs), enabling the creation of lightweight and long-lasting wearable electronic devices. The CNT wires exhibit excellent energy storage capabilities and gas sensor performance, paving the way for innovative applications in smart clothing.
The University of Turku researchers have developed a new method to create more accurate sensors for detecting subtle changes in the body, such as hormone fluctuations. By purifying and separating single-wall carbon nanotubes, they achieved precise control over their properties and identified their electrochemical characteristics.
A new study led by Colorado State University found that agricultural nitrogen fertilizer is the primary cause of seasonal carbon cycle swings. This discovery adds to scientific understanding of the carbon cycle and could help inform climate change mitigation strategies.
A recent report by Colorado State University reveals that the state's forests are emitting more carbon than they absorb, primarily due to insect and disease impacts. The study estimated that Colorado's forests stored 1,558 teragrams of carbon between 2010 and 2019.
This study explores fungal biomass's role in stabilizing carbon in soils, showing a strong correlation between microbial biomass and reactive mineral-associated carbon. Fungal necromass interacts with nanoparticles to further stabilize the carbon after death, proposing a new conceptual model for hypha-mineral interactions.
A new study investigates how soil organic carbon is distributed across different latitudes and soil depths in tropical, subtropical, and temperate forests. Forests are critical carbon sinks, and understanding how carbon is stored in soil is essential for climate action.
A new study published in Nature Communications provides fresh insights into China's carbon removal capacity through land-use, land-use change, and forestry. The researchers used an improved modeling approach to estimate the country's carbon removal from land-use changes, offering more accurate projections for future carbon removal.
Researchers at Tokyo Metropolitan University have developed a new technique to grow arrayed tungsten disulfide nanotubes with aligned orientations. This breakthrough resolves the issue of jumbled orientations in collected amounts of nanotubes, enabling the exploration of exotic electric and optoelectronic properties.
Sedimentary organic carbon distribution varies by region in eastern China seas, with higher concentrations in mud areas. Organic carbon burial fluxes are calculated to be 8.20 Mt C a⁻¹, accounting for 5.3% of global seabed burial flux.
Researchers developed a new type of organic cathode material for potassium-ion batteries by modulating the polymerization degree of aromatic polyimides on carbon nanotubes. The optimized material exhibits long cycle stability and superior potassium storage capacity, enabling high-performance energy storage.
Researchers at Tohoku University have developed a novel catalyst to control the atomic arrangement of carbon nanotubes, achieving ultra-high purity and precise chirality. The breakthrough could lead to significant advancements in semiconductor device manufacturing.
A new method in liquid-phase synthesis could reshape the scalable production of single-walled carbon nanotubes, enhancing industrial feasibility and reducing costs. The Co catalyst substantially improves both the yield and structural integrity of SWCNTs during the process, leading to more consistent results.
Researchers have discovered a direct correlation between the hydration shell of biosensors and their fluorescence behavior. The study used terahertz spectroscopy to analyze energy transfer between carbon nanotubes and water., The findings provide a general design principle for developing optimal biosensors with improved performance.
Researchers used tree regeneration patterns to predict changes in US forests' carbon stocks, finding that 29% will lose and 55% will replace carbon. This study identifies vulnerable areas and prioritizes strategies for resilient forest management.
Researchers at UMBC have created a new material for storing energy in devices, outperforming traditional lithium-ion batteries. The material uses twisted single-walled carbon nanotubes to store up to three times more energy per unit mass than advanced batteries.
Microglia establish contact with neurons through tunnelling nanotubes to clear toxic protein aggregates, reducing oxidative stress and restoring vital functions. Healthy mitochondria are also transferred from microglia to affected neurons, preserving energy production and neuronal survival.
The study demonstrates significant advancements in stability and functionality of ssDNA-SWCNT complexes, with high-affinity sequences showing superior binding strength. The findings also reveal notable improvements in resistance to enzymatic degradation, making these complexes suitable for long-term biological applications.
Researchers designed a novel method using electricity to synthesize methanol from carbon dioxide, increasing efficiency by up to eight times. The process involves cobalt phthalocyanine molecules on carbon nanotubes, with cations enhancing methanol formation.
A study reveals that porewater-derived carbon outwelling plays a significant role in driving dynamic changes of carbon and greenhouse gases in saltmarsh ecosystems. Porewater exchange acts as a long-term and significant carbon sink, comparable to soil carbon burial.
Researchers at the University of Texas at Austin have developed a technique for ultrafast formation of carbon dioxide hydrates, which can store carbon in the ocean and prevent it from being released into the atmosphere. This breakthrough could make carbon storage more accessible and feasible on a global scale.
Carbon nanotube fibers exhibit excellent mechanical properties, surpassing traditional ballistic fibers in terms of dynamic strength and energy absorption. The innovative multiscale structural optimization strategy achieved a breakthrough in both quasi-static and dynamic strength.
Researchers at Tokyo University of Science have developed a novel approach to directly observe electron transfer in solids using X-ray crystal structure analysis. This breakthrough could lead to advancements in energy storage, nanotechnology, and materials science research.
A new study reveals that the shape and depth of ocean floors significantly influence carbon sequestration, with bathymetry accounting for up to 50% of changes over 80 million years. This understanding can inform marine-based carbon dioxide removal technologies and aid in searching for habitable planets.
A research team developed a fentanyl sensor that can detect the drug at ultralow levels, thanks to the use of carbon nanotubes, gold nanoparticles, and fentanyl antibodies. The sensor has a 91% success rate in distinguishing fentanyl from other opioids.
A new roadmap proposes a holistic approach to reducing net-zero carbon emissions by converting various parts of the economy to run on renewable electricity. The approach includes developing non-carbon fuels, finding non-fossil sources of carbon, and keeping carbon in play through circular economies.
A new study reveals that a single hurricane can wipe out 5-10% of New England's total aboveground forest carbon through tree damage. The research team analyzed the impact of 10 powerful hurricanes on the region's forests and found that future storms could pose a significant risk to carbon offset programs.
Scientists at Korea Electrotechnology Research Institute (KERI) develop a new manufacturing technique for silicon/nitrogen-doped carbon composite anode materials. These materials improve lithium-ion battery performance by accelerating lithium-ion movement and stabilizing silicon expansion.
Researchers identify a degradation process that accelerates refractory pyrogenic carbon in coastal sediments. Seawater microdroplets facilitate this electrochemical degradation through interfacial electron transfer pathways, contributing to the ocean's carbon cycle.
Researchers from Meijo University developed a new catalyst using high entropy alloy nanoparticles to grow high-density carbon nanotubes. The study shows that the unique surface structure of HEA NPs provides various active sites for catalytic reactions, resulting in higher catalytic activity than individual metals.
Duke researchers have developed a new technique to engineer carbon-based semiconductors by wrapping metallic nanotubes in spiral polymers, transforming them into semiconducting forms that can be switched on and off. This method enables the creation of semiconductors that can control electricity with low-energy light wavelengths, openin...
Scientists are studying the replication mechanism of Zika virus and its ability to transmit from an infected mother to her unborn child. They aim to understand how the virus creates connections called tunneling nanotubes that allow it to replicate and infect cells.
A research team led by Professor Yang Yong found that severely oxidized metallic glass nanotubes can attain an ultrahigh recoverable elastic strain of up to 14% at room temperature. The discovery implies that oxidation in low-dimension metallic glass can result in unique properties for applications in sensors, medical devices, and othe...
Researchers from Osaka University have developed a soft, flexible, and wireless optical sensor based on carbon nanotubes and organic transistors formed on ultra-thin polymer film. The sensor has high sensitivity over a wide range of wavelengths and can work even after being crumpled into a ball.
Rice chemists find a way to remove impurities from boron nitride nanotubes using phosphoric acid and fine-tuning the reaction. The new method produces high-purity tubes that are stronger than steel by weight, making them suitable for various industries, including aerospace and biomedical imaging.
Scientists at Brookhaven National Laboratory and Columbia University developed a tandem electrocatalytic-thermocatalytic conversion method to convert CO2 into carbon nanofibers. This approach can occur at relatively low temperatures, around 400°C, making it a more practical and industrially achievable process.
Researchers at CiQUS developed a novel cyclic peptide that forms nanotubes on demand when light-irradiated. This allows for precise control over the artificial cytoskeleton's structure and function.
Researchers found that Ebola virus creates tunneling nanotubes to transfer particles to new cells, evading treatments and spreading infection. The discovery suggests a new route of dissemination for the deadly virus.
A recent study found that beef operations with lifelong grass-based diets may produce a 42% higher carbon footprint when considering soil carbon sequestration and carbon opportunity costs. This is in contrast to grain-finished operations, which have been previously shown to have a lower environmental impact. The study's findings emphas...
Researchers developed potassium-ion batteries using NiCo2Se4 nanotubes, improving electrochemical reactivity and energy storage. The unique structure of the nanotubes enhances the transfer and storage of potassium ions, outperforming other electrodes in terms of cyclic stability and rate capability.
Researchers have engineered a range of new single-walled transition metal dichalcogenide (TMD) nanotubes with different compositions, chirality, and diameters. The ability to synthesize diverse structures offers insights into their growth mechanism and novel optical properties.
The 3D-BRICKS project aims to develop a new family of 3D nanotransistors using DNA technologies, reducing production costs and increasing computing power. By leveraging carbon nanotubes and self-assembling materials, researchers hope to create compact and efficient nano-transistors.
Researchers developed modular optical sensors capable of detecting viruses and bacteria using fluorescent carbon nanotubes with DNA anchors. The sensors showed high reliability and selectivity in detecting SARS-CoV-2 protein, offering advantages for complex environments and future diagnostic applications.
A recent study found that warming in Northern ecosystems leads to a massive loss of carbon in the soil, with up to 40% released into the atmosphere within years after warming. The research team also discovered that plant productivity becomes nitrogen limited under warming conditions, reducing the ecosystem's ability to store carbon.
Researchers have developed a method to encapsulate polyoxometalate molecules within carbon nanotubes, enhancing the electrochemical energy storage of materials. The study found that these hybrids exhibit improved electrochemical properties due to reduced aggregation and increased electron transfer.
A recent study has found that microbes play a crucial role in storing carbon in the soil, with a four-fold greater importance than other processes. This breakthrough could lead to improved soil health and increased food security through targeted farm management practices.