Tag: "metals" at medical news

Researchers link metal ions to neurodegenerative disease

... exploring a possible link between overexposure to metals and Alzheimer's disease. Because some people with the disease had aluminum deposits in their brains, it was thought that there was a direct connection between aluminum exposure and Alzheimer's. However, after many years of study, no conclusive eviden...

UCLA, Italian chemists move closer to solving Lou Gehrig's disease mystery

...he journals July 3 print edition. If we keep the metals entirely out of the protein, we can explain the to...rms aggregate at physiological conditions when the metals are gone, Valentine said. It was such a puzzle, but this hypothesis can solve it. If scientists ca...

Mercury's link to heart disease begins in blood vessel walls

COLUMBUS, Ohio Heavy metals and other toxins have been linked to many human di...sts that chelation therapy, a process that removes metals from the body, and antioxidants both show signs of suppressing this activity and might be key to red...

A sweet step toward new cancer therapies

... Hakansson's group has been exploring the use of metals such as calcium and iron to carry the necessary po... structures, rather lopping off branches. By using metals as charge carriers, the researchers were able to do just that, yielding valuable structural informat...

Chromium 6: A killer compound with an improbable trigger

...vitamin C." Hexavalent chromium is used to plate metals and to make paints, dyes, plastics and inks. As an anticorrosive agent, it is also added to stainless steel, which releases hexavalent chromium during welding. Hexavalent chromium causes lung cancer and is found in 40 percent of Superfund sites natio...

Novel Ames Lab composite may replace depleted uranium

...hanged in the two different layers," he said. "The metals do not blend together -- no alloying is going on b...ersity has shown that a lot of body-centered cubic metals have a susceptibility to shear localization if you get the grain size small enough." That being the ...

Snake-like robot and steady-hand system could assist surgeons

...of the robot. The prototype is made of nonmagnetic metals so that it can be used safely near magnetic imaging equipment. The tools' movements are nimble because sophisticated software can make up to 100 adjustments per second. The steady-hand system, also devised by a Johns Hopkins team, was built to help ...

Binghamton University researchers ready nanotechnology innovations for market

...reated chips containing nanoparticles of different metals and metal oxides, each of which emits an electroni... Zhong said. NSC Technology is also working with metals and alloys on the nanoscale to develop more durable, less expensive catalysts for use in fuel cells....

Olive Leaf report documents promising therapeutic interventions for 9-11 workers

...g the 9-11 attacks. More than 2400 chemicals and metals were combusted when the twin towers collapsed. The major ones identified as being potentially toxic to humans were: asbestos, lead, mercury, dioxins and furans, diesel fuels and oils, benzenes and other volatile organic compounds. Project Olive ReLe...

Researchers examine why food tastes bad to chemotherapy recipients

... accordingly," Dietrich said. In correct amounts, metals in drinking water are actually important sources of micronutrients in the human diet. In fact, iron and copper are commonly found in drinking water, and they can be an important source of these mircronutrients. However, there are thresholds. If ing...

New Orleans 'toxic soup' a less serious problem than initially believed

...sh consumption, for instance. Levels of some toxic metals are high in parts of New Orleans, but not generall...s range from chemists who analyzed levels of toxic metals in New Orleans to ecologists studying environmental consequences of Katrina's storm surge to academi...

BC catalyst discovery promises faster, cheaper drug production

...gle transformation. The substance also contains no metals and is therefore more environmentally friendly than many other catalysts. "The new catalyst is easy to prepare, requires little or no solvent and therefore minimizes waste, and can be used in air and can be recycled several times," Prof. Snapper ad...

High-fat, copper-rich diets associated with increased rates of cognitive decline in older adults

...in development and function, an imbalance of these metals may play a role in the development of brain plaque...19 more years of age," the authors write. Other metals assessed in this study, iron and zinc, did not show any effects on cognitive decline in interaction ...

Cancer drug extends cognitive function in patients with brain metastases

... Sessler's texaphyrins were designed to hold heavy metals like gadolinium, commonly used to produce magnetic resonance imaging (MRI) agents. As a consequence, Xcytrin allows tumors to be visualized through MRI. The ability to both detect and treat brain and other cancers using the same agent could prove adv...

World-leading microscope shows more detail than ever

...urces. Investigating the mechanical behaviour of metals at a microscopic level. This could contribute to development of more reliable, more resilient and lower weight materials for use in construction, aviation and the storage & transportation of dangerous substances. Detailed study of fossils embedded ...

Studies evaluate health effects of dental amalgam in children

...an alloy powder of silver, copper, zinc, and other metals held together like glue by mercury. The mercury comprises about half the total weight of a filling. For decades, it was believed that a person's direct exposure to the mercury in amalgam was brief, occurring only while the dentist packed the filling...

A new metal detector to study human disease

...more exciting breakthroughs in measuring levels of metals in human cells. Just 2-3 grams of zinc (the weigh...resence of the million-fold higher levels of other metals present in cells, such as calcium or magnesium. Because proper zinc levels are so important in heal...

UCR researchers grow bone cells on carbon nanotubes

...tubes we could get to reduce the presence of heavy metals that are frequently introduced in the manufacturing process." She credited Haddon's graduate student Zhao, now a postgraduate researcher at the Oak Ridge National Laboratory, with manufacturing highly pure nanotubes for her to work with. Some of th...

Mystery solved: Gold's power against autoimmune diseases defined

...ses for more than 75 years, but until now, how the metals work has been a mystery. Harvard Medical School r... of gold, platinum, and other classes of medicinal metals work by stripping bacteria and virus particles from the grasp of a key immune system protein. "We we...

MIT thinks small to find safer metals

...ths. That has led industrial companies to look for metals that will not give off the harmful fumes. Schuh sa...ting a tighter and stronger crystal structure than metals and alloys with larger crystals. In addition to producing safer alternative metal coatings, the meth...

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(Date:8/20/2014)... /CNW/ -  Issue Serious allergic reactions ... life threatening for some children.    What you ... have food allergies and this number may be increasing, especially ... estimated to have food allergies.  The symptoms ... hives to breathing difficulties and loss of consciousness. Symptoms can ...
(Date:8/20/2014)... of the Para and Mato Grosso states of Brazil. ... in order to deforest the land. Deforestation is the ... the land is thereafter converted to a nonforest use. ... ranches, or urban use. The herringbone-patterned tan lines cutting ... the middle of the image are evidence of deforestation ...
(Date:8/20/2014)... Bay Area Lyme Foundation, which aims to make Lyme ... new research published in an upcoming issue of the ... . The findings show that ticks that carry ... year, making the threat of Lyme disease year-round. The ... Public Health (CDPH) Vector-borne Disease Section and University of ...
Breaking Biology News(10 mins):Information Update - Allergens and food safety at school - What's in your child's lunch? 2Information Update - Allergens and food safety at school - What's in your child's lunch? 3Lyme disease risk is year-round in Northwest California, according to new study 2Lyme disease risk is year-round in Northwest California, according to new study 3
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