Current Cadmium News and Events

Current Cadmium News and Events, Cadmium News Articles.
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Some food contamination starts in the soil
Rice husk residue can prevent uptake of harmful elements in rice. (2021-02-03)

Researchers design next-generation photodetector
The new long-wavelength infrared photodetector from Professor Manijeh Razeghi could be used in night vision, optical communication, and thermal and medical imaging. (2021-02-02)

New study links cadmium to more severe flu, pneumonia infections
High levels of cadmium, a chemical found in cigarettes and in contaminated vegetables, are associated with higher death rates in patients with influenza or pneumonia--and may increase the severity of COVID-19 and other respiratory viruses, according to a new study. (2020-12-16)

Scientists model photoluminescence kinetics in semiconductor nanoplatelets for better optoelectroni
The hunt for materials and systems with better optical properties has always been one of the focal points of semiconductor research. Tailoring the synthesis of photoluminescent nanocrystals for specific applications may require predictions of spectral and relaxation characteristics. Hence, researchers need a detailed understanding and modeling of the underlying kinetics. Scientists presented their simulation and theoretical models and showed that the proposed approach reproduces all the features of experimental curves measured for different nanoplatelet systems. (2020-12-09)

Out with the old, in with the new
UVA Engineering Discovery Challenges Heat Transfer Paradigm That Guides Electronic and Photonic Device Design. (2020-12-09)

'Rambo root' could help with climate action, peace building and environmental issues
Planting cassava can help countries tackle key environmental and sustainable development concerns. The low-cost root crop, nicknamed 'Rambo root' for its rugged appearance and resilient attributes, produces the highest amount of calories per hectare in most tropical countries, can withstand increasing temperatures and thrives in poor soils. (2020-12-09)

Improving quantum dot interactions, one layer at a time
Osaka City University scientists and colleagues in Japan have found a way to control an interaction between quantum dots that could greatly improve charge transport, leading to more efficient solar cells. Their findings were published in the journal Nature Communications. (2020-11-20)

In mice, cadmium exposure during pregnancy linked to obesity in female offspring
In a mouse study aimed at modeling human exposure to the toxic metal cadmium, researchers found that female offspring of mice exposed to cadmium during pregnancy became obese in adulthood, developed fatty livers and could not process glucose normally. Male offspring were not affected in the same way. The study also sheds light on how cadmium exposure could affect mitochondrial function and developmental signaling pathways in the liver. (2020-11-12)

New strategy to 'buffer' climate change: developing cheaper, eco-friendly solar cells
Solar power is an eco-friendly alternative to conventional, non-renewable sources of energy. However, current solar panels require the use of toxic materials as buffers, which is not sustainable. To this end, a team of scientists in Korea developed a new eco-friendly alternative, called the ZTO buffer, which can overcome this limitation. This new development to make solar panels even more sustainable is indeed a cherry on top. (2020-11-11)

UC studies tobacco use, cancer connection
Researchers at the University of Cincinnati have identified new clues into ways tobacco use impacts patients with kidney cancer. (2020-10-20)

High throughput screening identifies molecules that reduce cellular stress
A new paper in the journal Science Advances describes the discovery of several promising small molecules that appear to reduce cellular stress in mouse skin cells and could lengthen life. (2020-10-03)

Our health: New focus on the synergy effect of nanoparticles
Nanoparticles are valuable and useful in many products, but according to a new study, they can also damage our cells. Researchers are concerned about the effect of lifelong exposure to the human organism. (2020-10-01)

Toxic metals can affect student health performance, say scientists from RUDN university
A group of medical and environmental researchers from RUDN University evaluated the level of heavy metals in the organism of first-year university students from different countries of the world. The results of the screening helped the scientists to reveal a relationship between a region of residence and the level of toxic metal in organism. According to their opinion, increased heavy metal levels in the organism of students from Africa and Latin America can have a negative impact on their health and performance. (2020-09-14)

Photo catalysts show promise in creating self-cleaning surfaces and disinfecting agents
The team produced and studied new active photocatalysts based on natural aluminosilicate nanotubes with cadmium sulfide quantum dots stabilized on their surface synthesized by self-assembly. (2020-09-02)

Heavy metals make soil enzymes 3 times weaker, says a soil scientist from RUDN University
Heavy metals suppress enzyme activity in the soil by 3-3.5 times and have especially prominent effect on the enzymes that support carbon and sulfur circulation. This was discovered by a soil scientist from RUDN University together with his colleagues from Chile, Germany, the UK and Venezuela. The data obtained by the team can lead to more efficient use and fertilization of agricultural lands. (2020-08-26)

Converting solar energy to hydrogen fuel, with help from photosynthesis
Global economic growth comes with increasing demand for energy, but stepping up energy production can be challenging. Recently, scientists have achieved record efficiency for solar-to-fuel conversion, and now they want to incorporate the machinery of photosynthesis to push it further. The researchers will present their results today at the American Chemical Society Fall 2020 Virtual Meeting & Expo. (2020-08-17)

Pollution linked to antibiotic resistance
Antibiotic resistance is an increasing health problem, but new research suggests it is not only caused by the overuse of antibiotics. It's also caused by pollution. (2020-08-13)

Wheat and couch grass can extract toxic metals from contaminated soils
Irina Shtangeeva is a researcher at the Department of Soil Science and Soil Ecology, St Petersburg University. She has studied the ability of wheat and couch grass to accumulate toxic substances. Both plants were capable of absorbing various chemical elements from contaminated soils. Although the plants were able to accumulate high concentrations of toxicants, they could survive under negative environmental conditions (2020-08-10)

Advance in programmable synthetic materials
DNA information is stored in a sequence of chemical building blocks; computers store information as sequences of zeros and ones. Researchers want to transfer this concept to artificial molecules. UC Berkeley and Ruhr-Universität Bochum researchers have taken another step toward encoding information in the sequence of metal atoms in metal-organic frameworks (MOFs), showing how to read the sequence. Multivariate MOFs could encode digital information, but also conduct programmed chemical modifications or controlled drug release. (2020-08-07)

Study finds high levels of toxic pollutants in stranded dolphins and whales
Researchers examined toxins in tissue concentrations and pathology data from 83 stranded dolphins and whales from 2012 to 2018. They looked at 11 different animal species to test for 17 different substances. The study is the first to report on concentrations in blubber tissues of stranded cetaceans of atrazine, DEP, NPE and triclosan. It also is the first to report concentrations of toxicants in a white-beaked dolphin and in Gervais' beaked whales. (2020-08-06)

Finding toxic carcinogenic metals faster in foods and water
Finding out if the food and water we consume are safe from toxic and carcinogenic metals can now be much faster and simpler. Researchers at the University Johannesburg developed an efficient and more sensitive method to test for dangerous levels of heavy metals, like arsenic, cadmium and chromium in vegetables and water. The method can be used to test other foods also. A clay-based adsorbent makes testing for several metals at the same time possible. (2020-08-04)

ETRI develops eco-friendly color thin-film solar cells
Research on solar cells to secure renewable energy sources are ongoing around the world. The Electronics and Telecommunications Research Institute (ETRI) in South Korea succeeded in developing eco-friendly color Cu(In,Ga)Se2 (CIGS) thin-film solar cells. (2020-07-31)

IO hybrid adsorbent to remove hazardous Cadmium(II) from wastewater
In a paper published in NANO, a group of researchers from Hebei University of Technology, Tianjin, China have discovered an effective way to remove heavy metal Cadmium(II) from wastewater. This utilizes the surface-initiated atom-transfer radical polymerization (SI-ATRP) method to graft poly (tert-butyl acrylate) PtBA from the ultrathin pore wall of inverse opal (IO) SiO2. (2020-06-26)

Carpet shell clams reveal high levels of pollution in several coastal lagoons in Tunisia
The clams with the greatest levels of heavy metals come from lagoons in which the water temperature is higher, according to a University of Cordoba study (2020-06-16)

Analysing the effects two decades after a mining spill
There has been an important fall in the total concentrations and evolution of the metal fraction towards their more innocuous forms, so the environmental risk is much reduced. The samples were taken in the same locations and by the same research group twenty years later. Sediments were analysed from six locations on the River Guadiamar and its main tributaries, from the area of the Aznalcóllar mine to the gates of Doñana national Park. (2020-06-12)

New NiMH batteries perform better when made from recycled old NiMH batteries
A new method for recycling old batteries can provide better performing and cheaper rechargeable hydride batteries (NiMH) as shown in a new study by researchers at Stockholm University. (2020-06-01)

Contamined soils determined root characteristics
University of Cordoba Professor Rafael Villar participated in a study on the variation of root traits among Mediterranean trees planted in metal-contaminated soil (2020-05-29)

Certain environmental chemicals linked with poor kidney health
In an analysis of blood and urine samples from 46,748 US adults, elevated levels of seven environmental chemicals were associated with markers of kidney disease. (2020-05-21)

Seven at one pulse
Higher frequencies mean faster data transfer and more powerful processors. Technically, however, it is anything but easy to keep increasing clock rates and radio frequencies. New materials could solve the problem. Experiments at Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have now produced a promising result: Researchers were able to get a novel material to increase the frequency of a terahertz radiation flash by a factor of seven: a first step for potential IT applications. (2020-05-19)

Researchers find the key to preserving The Scream
Moisture is the main environmental factor that triggers the degradation of the masterpiece The Scream (1910?) by Edvard Munch, according to the finding of an international team of scientists led by the CNR (Italy), using a combination of in situ non-invasive spectroscopic methods and synchrotron X-ray techniques. (2020-05-15)

High-efficiency catalyst enhancing the electric reduction performance of CO2
It provides new ideas for the design of the catalyst nanostructures boosting an efficient reaction. (2020-04-16)

Researchers advance solar material production
A WSU team has developed a more efficient, safer, and cost-effective way to produce cadmium telluride (CdTe) material for solar cells or other applications, a discovery that could advance the solar industry and make it more competitive. (2020-01-27)

2D materials boost carrier multiplication
IBS researchers discover a carrier multiplication process in 2D semiconductors that could increase the efficiency of future solar cells. (2019-12-02)

Visible light and nanoparticle catalysts produce desirable bioactive molecules
Northwestern University chemists have used visible light and extremely tiny nanoparticles to quickly and simply make molecules that are of the same class as many lead compounds for drug development. Driven by light, the nanoparticle catalysts perform chemical reactions with very specific chemical products -- molecules that don't just have the right chemical formulas but also have specific arrangements of their atoms in space. And the catalyst can be reused for additional chemical reactions. (2019-10-30)

Tailings dumped into Portmán Bay continue to release metals into the sea 25 years later
The waters of the Mediterranean Sea continue to receive dissolved metals from the mining waste deposited in Portmán Bay (Murcia) 25 years after the cessation of mining activity. A study by researchers from the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB), in collaboration with UB researchers, shows that the sea continues to be contaminated through groundwater containing heavy metals such as iron, cadmium, nickel, zinc and lead. (2019-10-16)

Modified quantum dots capture more energy from light and lose less to heat
Los Alamos National Laboratory scientists have synthesized magnetically-doped quantum dots that capture the kinetic energy of electrons created by ultraviolet light before it's wasted as heat. (2019-10-07)

No clear link between local food and cancer risk in glassworks areas
There is no clear link between cancer incidence and locally produced food from an area with a history of glass manufacture with contaminated soil, according to a new study from, among others, Linköping University in Sweden. A high consumption of certain local foods seems to be linked to an increased risk of certain cancers, but this probably reflects that the exposure to contaminants was higher in the past. The findings are published in Environmental International. (2019-09-23)

DGIST achieves the highest efficiency of flexible CZTSSe thin-film solar cell
DGIST Division of Energy Technology achieves the highest photoelectric conversion efficiency in the world. Huge expectations toward the commercialization of flexible solar cell that is applicable in various fields. (2019-09-19)

The magic wavelength of cadmium
Researchers experimentally determined a property of cadmium called the magic wavelength which is considered essential for the development of the most accurate clocks ever envisaged. The researchers hope this may permit simple and robust atomic clocks so accurate they could be used to improve our understanding of current theories and even test for new physics. (2019-09-14)

A laser for penetrating waves
The 'Landau-level laser' is an exciting concept for an unusual radiation source. It has the potential to efficiently generate terahertz waves, which can be used to penetrate materials as well as for future data transmission. So far, however, nearly all attempts to make such a laser have failed. An international team has now taken an important step in the right direction: In the journal Nature Photonics, they describe a material that generates terahertz waves by simply applying an electric current. (2019-08-16)

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