Current Carbon Nanotubes News and Events

Current Carbon Nanotubes News and Events, Carbon Nanotubes News Articles.
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Amination strategy improves efficiency of CO2 electrocatalytic reduction
A research team led by Prof. LIU Licheng from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) proposed a two-step amination strategy to regulate the electronic structure of M-N/C catalysts (M=Ni, Fe, Zn) and enhance the intrinsic activity of CO2 electrocatalytic reduction. (2021-02-19)

Dynamics of nanoparticles using a new isolated lymphatic vessel lumen perfusion system
Nanoparticles introduced into the body enter the lymphatic vessels. A research group led by Shinshu University Graduate School of Medicine has developed a new isolated lymphatic vessel lumen perfusion system that can move carbon nanotubes and other nanoparticles into surgically removed lymphatic vessels. The group succeeded in developing a novel experimental system to evaluate how nanoparticles move in lymphatic vessels and how they affect the physiological movement of lymphatic vessels. (2021-02-19)

Sweet marine particles resist hungry bacteria
Rather sweet than salty: In the ocean microalgae produce a lot of sugar during algae blooms. These enormous quantities of algal biomass are normally recycled rapidly by marine bacteria, degradation process that is an important part of the global carbon cycle. Especially sugars have been considered as easily digestible and therefore poor candidates for natural carbon sequestration. Now scientists from Bremen revealed: There exists a sugar in algae that resists rapid microbial degradation and stores carbon during spring blooms. (2021-02-19)

New method converts methane in natural gas to methanol at room temperature
Researchers at the University of Illinois Chicago have discovered a way to convert the methane in natural gas into liquid methanol at room temperature. (2021-02-18)

Fishes contribute roughly 1.65 billion tons of carbon in feces and other matter annually
Scientists have little understanding of the role fishes play in the global carbon cycle linked to climate change, but a Rutgers-led study found that carbon in feces, respiration and other excretions from fishes - roughly 1.65 billion tons annually - make up about 16 percent of the total carbon that sinks below the ocean's upper layers. (2021-02-17)

USC biologists devise new way to assess carbon in the ocean
A new study by USC scientists explains how marine microbes control the accumulation of carbon matter with important implications for global warming. (2021-02-16)

Nanotechnologies reduce friction and improve durability of materials
A team of scientists from the National Research Nuclear University MEPhI and Immanuel Kant Baltic State Federal University suggested using innovative thin films to considerably reduce friction and thus increase the durability of surfaces in mechanisms. This discovery can be important for many fields, from medicine to space technologies. (2021-02-16)

Corn belt farmland has lost a third of its carbon-rich soil
More than one-third of the Corn Belt in the Midwest - nearly 100 million acres - has completely lost its carbon-rich topsoil, according to University of Massachusetts Amherst research that indicates the U.S. Department of Agricultural has significantly underestimated the true magnitude of farmland erosion. (2021-02-15)

Kagome graphene promises exciting properties
For the first time, physicists from the University of Basel have produced a graphene compound consisting of carbon atoms and a small number of nitrogen atoms in a regular grid of hexagons and triangles. This honeycomb-structured ''kagome lattice'' behaves as a semiconductor and may also have unusual electrical properties. In the future, it could potentially be used in electronic sensors or quantum computers. (2021-02-15)

Shrubs and soils: A hot topic in the cool tundra
As the climate warms in the Arctic, shrubs expand towards higher latitudes and altitudes. Researchers investigated the impacts of dwarf shrubs on tundra soils in the sub-Arctic Fennoscandia. (2021-02-15)

The future of solar technology: New technology makes foldable cells a practical reality
International research team creates solar cells with unprecedented flexibility and resistance. (2021-02-10)

The role of nanobacteria in the organic matter cycle in freshwater systems
A team of scientists including researchers from Baltic Federal University studied freshwater microorganisms that can pass through biological filters. These microorganisms are understudied but were believed to play an important role in the biosphere. However, experiments showed that they had only a minor impact on the cycle of dissolved organic matter. (2021-02-10)

Limiting warming to 2 C requires emissions reductions 80% above Paris Agreement targets
Even if all countries meet their Paris Agreement goals for reducing emissions, Earth has only a 5% chance of staying below 2 C warming this century, a 2017 study showed. But reductions about 80% more ambitious, or an average of 1.8% drop in emissions per year rather than 1% per year, would be enough to meet the agreement's stated goal, analysis shows. (2021-02-09)

High greenhouse gas emissions from Siberian Inland Waters
Rivers and lakes at high latitudes are considered to be major sources for greenhouse gas emissions to the atmosphere, but these losses are poorly constrained. In a study published in Nature Communications, UmeƄ University researchers and collaborators quantify carbon emissions from rivers and lakes across Western Siberia, finding that emission are high and exceed carbon export to the Arctic Ocean. (2021-02-09)

Arctic permafrost releases more CO2 than once believed
There may be greater CO2 emissions associated with thawing Arctic permafrost than ever imagined. An international team of researchers, including one from the University of Copenhagen, has discovered that soil bacteria release CO2 previously thought to be trapped by iron. The finding presents a large new carbon footprint that is unaccounted for in current climate models. (2021-02-09)

The pandemic lockdown leads to cleaner city air across Canada, Concordia paper reveals
Researchers at Concordia University found that emission levels dropped dramatically over the course of the pandemic. They measured downtown air quality monitoring station data from eight Canadian cities and compared their concentration levels of nitrogen dioxide, carbon monoxide and sulfur dioxide between February and August 2020 to the figures recorded over the same period in 2018 and 2019. They also used satellite imagery and urban transportation fuel consumption figures to investigate emissions traffic congestion data provided by tracking technology embedded in phones and cars worldwide. (2021-02-09)

Low carbon transport at sea: Ferries voyage optimization in the Adriatic
What CO2 savings are potentially attainable through path optimization? How much can ferries' carbon intensity be decreased? What is the role of waves and currents? A new study led by the CMCC Foundation shows how the future least-CO2 ferry routes could look like. (2021-02-09)

'Defective' carbon simplifies hydrogen peroxide production
Rice University scientists introduce a new catalyst to reduce oxygen to widely used hydrogen peroxide. The process sidesteps complex and expensive processes that generate toxic organic byproducts and large amounts of wastewater. (2021-02-09)

RUDN University ecologist suggested a way to reduce greenhouse gas emissions in animal farming
An ecologist from RUDN University suggested a method to evaluate and reduce the effect of animal farms on climate change and developed a set of measures for small farms that provides for the complete elimination of greenhouse gas emissions. (2021-02-09)

International research team begins uncovering Arctic mystery
According to 25 international researchers who collaborated on a first-of-its-kind study, frozen land beneath rising sea levels currently traps 60 billion tons of methane and 560 billion tons of organic carbon. Little is known about the frozen sediment and soil -- called submarine permafrost -- even as it slowly thaws and releases methane and carbon that could have significant impacts on climate. (2021-02-09)

Ditching the car for walking or biking just one day a week cuts carbon footprint
Swapping the car for walking, cycling and e-biking even just one day a week makes a significant impact on personal carbon emissions in cities. (2021-02-08)

'Magnetic graphene' forms a new kind of magnetism
Researchers have identified a new form of magnetism in so-called magnetic graphene, which could point the way toward understanding superconductivity in this unusual type of material. (2021-02-08)

WVU biologists uncover forests' unexpected role in climate change
New research from West Virginia University biologists shows that trees around the world are consuming more carbon dioxide than previously reported, making forests even more important in regulating the Earth's atmosphere and forever shift how we think about climate change. (2021-02-08)

Trapping gases better with boron nitride "nanopores"
Porous activated carbon (AC) is well-known for its ability to efficiently trap gases and help in catalyzing chemical reactions on its surface. Lately, boron nitride (BN), with a structure similar to that of carbon, has emerged as an attractive alternative to carbon. Now, in a new study, scientists from Japan reveal superior gas confinement in porous BN compared with that of AC, thereby unveiling a novel material to take high-performance adsorption to the next level. (2021-02-05)

Arctic stew: Understanding how high-latitude lakes respond to and affect climate change
To arrive at Nunavut, turn left at the Dakotas and head north. You can't miss it--the vast tundra territory covers almost a million square miles of northern Canada. Relatively few people call this lake-scattered landscape home, but the region plays a crucial role in understanding global climate change. (2021-02-05)

Polymer-derived carbon as metal-free, "green" alternative to catalysts and nano carbons
Darmstadt, February 4, 2021. The research group of Professor Bastian Etzold at the Department of Chemistry at TU Darmstadt has succeeded in synthesizing macroscopic carbons that are similar in handling to common technical catalysts. The research team has now published its results in the renowned journal Angewandte Chemie and demonstrated that these carbons can achieve the high catalytic activity and selectivity that otherwise only nanocarbons can. (2021-02-04)

Comb-like etching regulated growth for large-area graphene nanoribbon arrays
The low on/off current ratio in intrinsic graphene-based field-effect transistor has inspired the development of bandgap engineering, which contain tailoring graphene into narrow ribbons, doping graphene with heteroatom, and applying stress or vertical electric field. Graphene nanoribbons, which introduce a bandgap by confining charge carriers in lateral dimension, are a lead candidate for switching devices. Scientists in China developed an in-situ growth of graphene nanoribbon arrays on liquid metal without assistance of template. (2021-02-04)

A revolutionary approach to increasing crop yield in rice
Overexpression of a plasma membrane proton pump gene in rice increases nutrient uptake and stomatal opening, promising solutions to food supply and environmental problems. (2021-02-03)

Novel photocatalyst effectively turns carbon dioxide into methane fuel with light
Decarbonising has become a prioritised mission in many countries and the science community is working on the ''carbon capture'' technologies. If the captured carbon dioxide could be converted into energy, then it would be killing two birds with one stone. A joint research team led by City University of Hong Kong (CityU) has developed a new photocatalyst which can produce methane gas (CH4) selectively and effectively from carbon dioxide using sunlight and mimicking photosynthesis. (2021-02-02)

Sea ice kept oxygen from reaching deep ocean during last ice age
Extensive sea ice covered the world's oceans during the last ice age, which prevented oxygen from penetrating into the deep ocean waters, complicating the relationship between oxygen and carbon. (2021-02-02)

Land-use to solve climate change: a focus on livestock
The land sector can strongly contribute to climate change mitigation if sustainable land-use options are applied. A study led by the CMCC Foundation highlights that land-based mitigation options at small-scale landscape level can lead towards carbon neutral livestock systems while providing an additional wide range of ecological, environmental and socio-economic co-benefits at local level. (2021-02-01)

Virtual conference CO2 emissions quantified in new study
The virtual conferencing that has replaced large, in-person gatherings in the age of COVID-19 represents a drastic reduction in carbon emissions, but those online meetings still come with their own environmental costs, new research from the University of Michigan shows. (2021-02-01)

Arctic shrubs add new piece to ecological puzzle
A 15-year experiment on Arctic shrubs in Greenland lends new understanding to an enduring ecological puzzle: How do species with similar needs and life histories occur together at large scales while excluding each other at small scales? Its findings also reveal trends related to carbon sequestration and climate change as the Arctic becomes both greener and browner. (2021-02-01)

Scientists look to soils to learn how forests affect air quality, climate change
Two studies shed light on the complex relationships between tree types, forest soil nutrients and microbes, and their effect of affect air quality and climate change. (2021-01-29)

Ecologists conducted a novel study on vegetation transpiration from a global network of 251 sites
An ecologist from RUDN University together with colleagues from 14 countries compared three methods for estimating ecosystem transpiration in a study. In the first ever research with such a comprehensive data-set, the team used land-atmosphere water vapor flux data of collected at 251 locations all over the planet, from Australia to Greenland. The outcome of the research help to understand the role of plants in the global water and carbon cycles in the current predicament of global warming. (2021-01-28)

Otago study examines attitudes toward climate change risk
A University of Otago study explored factors which influence Americans' levels of concern over climate change, providing discussion on how those factors could impact mitigation efforts. (2021-01-28)

Carbon-chomping soil bacteria may pose hidden climate risk
Much of the earth's carbon is trapped in soil, and scientists have assumed that potential climate-warming compounds would safely stay there for centuries. But new research from Princeton University shows that carbon molecules can potentially escape the soil much faster than previously thought. The findings suggest a key role for some types of soil bacteria, which can produce enzymes that break down large carbon-based molecules and allow carbon dioxide to escape into the air. (2021-01-27)

A little soap simplifies making 2D nanoflakes
The right combination of surfactant, water and processing can maximize the quality of 2D hexagonal boron nitride for such products as antibacterial films. (2021-01-27)

Titanium oxide nanotubes facilitate low-cost laser-assisted photoporation
Toyohashi University of Technology developed a nanosecond pulse laser-assisted photoporation method using titanium-oxide nanotubes (TNTs) for highly efficient and low-cost intracellular delivery. HeLa - human cervical cancer cells were cultured in the nanotubes and submerged in a solution of biomolecules. After cells were exposed to nanosecond pulse laser, we successfully delivered propidium iodide (PI) and fluorescent dextran into cells with high efficiency and cell viability. (2021-01-25)

Climate change increases coastal blue carbon sequestration
Coastal wetlands are important ecosystems, especially in mitigating climate change. Prof. Faming Wang from South China Botanical Garden, Chinese Academy of Sciences, and Prof. Sanders from Southern Cross University,Australia worked together with several colleagues around the globe to examine coastal blue carbon burial rates. They showed that climate change will increase the carbon sequestration capacity of these systems around the world during this century. (2021-01-25)

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