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Current Cadmium News and Events, Cadmium News Articles.
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Under development medical camera could help cut time and cost of procedures
Researchers have completed a successful clinical trial to detect and image radioactive tracers used in PET and in SPECT scans at the same time in a patient. It is hoped the method will enable doctors to scan patients for abnormalities in shorter times while reducing the amount of radiation patients would be exposed to. (2019-07-25)

Toxic substances found in the glass and decoration of alcoholic beverage bottles
New research by the University of Plymouth shows that bottles of beer, wine and spirits contain potentially harmful levels of toxic elements, such as lead and cadmium, in their enamelled decorations. (2019-06-28)

New process to rinse heavy metals from soils
Poisonous heavy metals contaminating thousands of sites nationwide threaten to enter the food chain, and there's been no easy way to remove them. An experimental chemical bath and electrochemical filter could now extract heavy metals from the soil and leave fields safe. (2019-06-04)

Building blocks of the Earth
Geologists from the Universities of Cologne and Bonn gain new insights regarding the Earth's composition by analysing meteorites. They conclude that the building blocks that brought volatile elements to Earth have a chemical composition similar to that of primitive carbonaceous chondrites. (2019-06-04)

Exposure to airborne metal pollution associated with increased risk of mortality
Study uses samples of wild moss to estimate individual human exposure to atmospheric metals. (2019-05-30)

Researchers gain key insight into solar material's soaring efficiency
In collaboration with partners at Loughborough University in the United Kingdom, researchers at CSU's National Science Foundation-supported Next Generation Photovoltaics Center have reported a key breakthrough in how the performance of cadmium telluride thin-film solar cells is improved even further by the addition of another material, selenium. Their results were published in the journal Nature Energy earlier this month. (2019-05-22)

Families with a higher socioeconomic position have a greater risk of exposure to chemicals
A European study analyses the exposure of 1,300 mothers and their children to 41 different chemical contaminants (2019-05-13)

Genome assembly of pasta wheat leads to new insights for modern wheat breeding
Durum wheat (Triticum turgidum L. ssp. durum) is the basic commodity for the production of pasta, as this cereal plant yields grains with the necessary high content of gluten proteins. An international collaboration spearheaded by Italian researchers has now fully sequenced and assembled the genome of the durum wheat cultivar 'Svevo.' (2019-04-09)

Gene responsible for toxic metal accumulation in durum wheat identified
University of Alberta biologists identify gene responsible for cadmium accumulation in durum wheat, according to a new study published in Nature Genetics. For humans, consuming cadmium, a toxic metal that accumulates in grain crops, poses serious health risks, including cancer and kidney disease. (2019-04-09)

International team decodes the durum wheat genome
An international consortium has sequenced the entire genome of durum wheat -- the source of semolina for pasta, a food staple for the world's population, (2019-04-08)

Keeping heavy metals out of beer and wine
A frosty mug of beer or ruby-red glass of wine just wouldn't be the same if the liquid was murky or gritty. That's why producers of alcoholic beverages usually filter them. But in a study appearing in ACS' Journal of Agricultural and Food Chemistry, researchers report that a material often used as a filter could be transferring heavy metals such as arsenic to beer and wine. They also found ways to possibly limit this contamination. (2019-02-20)

Marshall University study finds differences in umbilical cord blood metal levels in newborns
New findings from a team of Marshall University Joan C. Edwards School of Medicine researchers reveal urban and rural differences in prenatal exposure to essential and toxic elements. (2018-12-12)

Fish can detox too -- but not so well, when it comes to mercury
By examining the tissues at a subcellular level, the researchers discovered yelloweye rockfish were able to immobilize several potentially toxic elements within their liver tissues (cadmium, lead, and arsenic) thus preventing them from interacting with sensitive parts of the cell. But mercury was found in concentrations known to be toxic - and most of it was in sensitive sites, such as mitochondria and enzymes, within liver cells. (2018-11-20)

This bacterium gets paid in gold
UC Berkeley and Berkeley Lab scientists have placed light-absorbing gold nanoclusters inside a bacterium, creating a biohybrid system that produces a higher yield of chemical products, such as biofuels, than previously demonstrated. The biohybrid captures sunlight and carbon dioxide to make chemicals useful not only on Earth but also in the exotic environment of space. (2018-10-09)

Eco-friendly nanoparticles for artificial photosynthesis
Researchers at the University of Zurich have developed a nanoparticle type for novel use in artificial photosynthesis by adding zinc sulfide on the surface of indium-based quantum dots. These quantum dots produce clean hydrogen fuel from water and sunlight -- a sustainable source of energy. They introduce new eco-friendly and powerful materials to solar photocatalysis. (2018-10-01)

'Spacesuits' protect microbes destined to live in space
UC Berkeley researchers have created a unique system that pairs light-absorbing semiconductors with anaerobic bacteria to capture light and fix carbon dioxide: an artificial leaf. The bacteria turn CO2 into chemicals useful in space colonies, e.g. One problem is that the process generates reactive oxygen species that kill the bacteria. To shield them from damage, they developed a ''spacesuit'' of metal-organic framework (MOF) that extends the microbes' lifetimes to that seen in the wild. (2018-10-01)

Lighting it up: A new non-toxic, cheap, and stable blue photoluminescent material
Scientists at Tokyo Institute of Technology have designed a novel photoluminescent material that is cheap to fabricate, does not use toxic starting materials, and is very stable, enhancing our understanding of the quantic nature of photoluminescence. (2018-09-19)

How a tetrahedral substance can be more symmetrical than a spherical atom: A new type of symmetry
Scientists at Tokyo Institute of Technology have theoretically demonstrated that special tetrahedron nanostructures composed of certain metals have a higher degree of symmetry than the geometrical symmetry of spherical atoms. Nanomaterials with unique and unprecedented electrical and magnetic properties arising from this symmetry will be developed and used for next-generation electronic devices. (2018-09-14)

Is exposure to lead, cadmium associated with reduced ability to see contrast?
Contrast sensitivity is a measure of how well someone sees an image against a background. Diminished contrast sensitivity can impact daily life because common low-contrast conditions include low light, fog or glare. Understanding what might contribute to a decrease in contrast sensitivity is important. An observational study of nearly 2,000 people taking part in an ongoing study of aging examined whether exposure to the heavy metals cadmium and lead was associated with increased risk of impaired contrast sensitivity. (2018-09-13)

Trees reveal the evolution of environmental pollution
Chemical analysis of tipuana tree rings and bark by Brazilian researchers shows falling levels of heavy metal pollution in the air of São Paulo City, Southern Hemisphere's largest metropolis. (2018-09-13)

Environmentally friendly photoluminescent nanoparticles for more vivid display colors
A Japan-based research team led by Osaka University synthesized non-toxic, cadmium-free light-emitting nanoparticles. The nanoparticles emit clean colors, which had not been possible previously with nanoparticles using the same non-toxic materials. This was achieved by modifying and optimizing the synthesis and treating the fabricated nanoparticles--they were encased in semiconductor shells with an amorphous structure. (2018-08-29)

Researchers highlight neglected evidence on the cardiovascular risks of toxic metals
Exposure to arsenic, lead, copper, and cadmium is associated with increased risk of cardiovascular disease and coronary heart disease, finds a comprehensive analysis of the evidence published today in The BMJ. An accompanying editorial by Ana Navas-Acien at the Columbia Mailman School of Public Health and colleagues points to metals as an important but neglected source of cardiovascular risk. (2018-08-29)

Experts warn of cardiovascular risk from heavy metal pollution
Even low doses of toxic chemicals in the environment pose a significant risk to cardiovascular health, according to a report in today's edition of The BMJ, led by researchers at the University of Cambridge. The researchers have also challenged the omission of environmental risk factors such as toxic metal contaminants in water and foods from the recent World Health Organization report on non-communicable diseases. (2018-08-29)

Exposure to arsenic, lead, copper and cadmium linked to increased risk of heart disease
Exposure to arsenic, lead, copper and cadmium is associated with an increased risk of cardiovascular disease and coronary heart disease, finds a comprehensive analysis of the evidence published by The BMJ today. (2018-08-29)

Scientists find link between water pollution and morbidity in Murmansk region
Researchers at the Institute of Ecology at the Higher School of Economics, together with other Russian researchers, have discovered that drinking water in lakes in the Murmansk region is contaminated. The most prevalent contaminants were found to be nickel and copper. Furthermore, water treatment systems in the region do not remove toxic metals. Heavy metals that accumulate in the water also include cadmium and lead. All four elements were detected in the kidneys and livers of the inhabitants of Monchegorsk. (2018-08-23)

Trace metals in the air make big splash on life under the sea
A new Cornell University-led study shows that trace metals, deposited by aerosols like dust and other particles in the atmosphere, have a hefty impact on marine life, affecting biological productivity and changing the ocean ecosystem. (2018-08-22)

Nanoparticles in our environment may have more harmful effects than we think
Researchers warn that a combination of nanoparticles and contaminants may form a cocktail that is harmful to our cells. In their study, 72 pct. of cells died after exposure to a cocktail of nano-silver and cadmium ions. (2018-08-20)

A new artificial quantum material essential in developing high-efficiency computers
Scientists at Tsinghua University and Institute of Physics, Chinese Academy of Sciences in Beijing have demonstrated the ability to control the states of matter, thus controlling internal resistance, within multilayered magnetically doped semiconductors using the Quantum Anomalous Hall Effect. (2018-08-13)

Quantum dot white LEDs achieve record efficiency
Researchers have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt. (2018-07-12)

High performance nitride semiconductor for environmentally friendly photovoltaics
A Tokyo Institute of Technology research team has shown copper nitride acts as an n-type semiconductor, with p-type conduction provided by fluorine doping, utilizing a unique nitriding technique applicable for mass production and a computational search for appropriate doping elements, as well as atomically resolved microscopy and electronic structure analysis using synchrotron radiation. These n-type and p-type copper nitride semiconductors could potentially replace the conventional toxic or rare materials in photovoltaic cells. (2018-07-03)

Recycled electrical products lead to hazardous chemicals appearing in everyday items
Hazardous chemicals such as bromine, antimony and lead are finding their way into food-contact items and other everyday products because manufacturers are using recycled electrical equipment as a source of black plastic, according to a new study. (2018-05-30)

A new method for studying semiconductor nanoparticles has been tested
A team from Siberian Federal University and Kirensky Institute of Physics (Siberian Department of the Russian Academy of Sciences) applied a new method to study nanoparticles made of cadmium telluride (CdTe). They used a peculiar feature of this compound: its interaction with light differs depending on the magnetic field. The results of the study were published in the Physics Letters A journal. (2018-05-15)

Researchers levitate water droplets to improve contaminant detection
Researchers showed that using sound waves to levitate droplets of water in midair can improve the detection of harmful heavy metal contaminants such as lead and mercury in water. (2018-05-03)

A designer's toolkit for constructing complex nanoparticles
A team of chemists at Penn State has developed a designer's toolkit that lets them build various levels of complexity into nanoparticles using a simple, mix-and-match process. This work will allow researchers to create a library of complex nanoparticles that could be used in medical, energy, and electronic applications. (2018-05-03)

Nuclear radiation detecting device could lead to new homeland security tool
A Northwestern University and Argonne National Laboratory research team has developed an exceptional next-generation material for nuclear radiation detection that could provide a significantly less expensive alternative to detectors now in commercial use. Specifically, the high-performance material is used in a device that can detect gamma rays, weak signals given off by nuclear materials, and can easily identify individual radioactive isotopes. Potential uses include more widespread detectors for nuclear weapons and materials as well as applications in biomedical imaging, astronomy and spectroscopy. (2018-04-25)

MSU scientists rolled 2-D cadmium telluride up into nanoscrolls
A team of scientists from the Faculty of Chemistry and the Faculty of Materials Science, MSU together with foreign colleagues discovered that two-dimensional sheets of cadmium telluride can spontaneously fold into nanoscrolls. This effect may be used in electronics and photonics. The results of the study were published in the highly-rated Chemistry of Materials journal. (2018-04-23)

A study links soil metals with cancer mortality
Spanish epidemiologists and geologists have found associations between esophageal cancer and soils where lead is abundant, lung cancer and terrains with increased copper content, brain tumor with areas rich in arsenic, and bladder cancer with high cadmium levels. These statistical links do not indicate that there is a cause-effect relationship between soil type and cancer, but they suggest that the influence of metals from the earth's surface on the geographical distribution of tumors should be analyzed. (2018-04-20)

Cheaper, less toxic and recyclable light absorbers for hydrogen production
Achieving artificial photosynthesis in solution remains limited by the use of costly and toxic metal-based compounds to harvest light. Researchers at CNRS, CEA and the Université Grenoble Alpes propose an efficient alternative using semiconductor nanocrystals (also called quantum dots) based on cheaper and less toxic elements, such as copper, indium and sulfur. (2018-04-10)

High levels of hazardous chemicals found in plastics collected from Lake Geneva
The first analysis of plastic litter from Lake Geneva finds toxic chemicals like cadmium, mercury and lead - - whose levels sometimes exceed the maximum permitted under EU law. The presence of chemicals that are now restricted or banned in plastic production reflects how old the plastic litter could be -- and indicates that like oceans, freshwater habitats are also affected by plastic pollution. (2018-04-03)

Researchers reshape the energy landscape of phonons in nanocrystals
Phonons, which are packets of vibrational waves that propagate in solids, play a key role in condensed matter and are involved in various physical properties of materials. In nanotechnology, for example, they affect light emission and charge transport of nanodevices. As the main source of energy dissipation in solid-state systems, phonons are the ultimate bottleneck that limits the operation of functional nanomaterials. (2018-03-06)

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