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Tag: "selenium" at biology news

New moth variety disarms plants guarded by selenium

... Press. Some plants "hyperaccumulate" the element selenium to extreme levels--up to 1% of the plant's dry wei...In their new work, the researchers showed that the selenium in the hyperaccumulator plant species known as prince's plume (Stanleya pinnata) protects it from ca...

Selenium-protein deficiency raises prostate cancer risk

...nstrumental in preventing cancer, and that dietary selenium plays a role in stimulating the body's level of th...ncer and, by extrapolation, the mechanism by which selenium prevents cancer," said Diamond. Further research is underway to corroborate the stimulating effect ...

Antioxidant selenium offers no heart-disease protection

...rial, which was designed primarily to determine if selenium supplementation could prevent the recurrence of no...large randomized clinical trial to date to examine selenium supplementation alone in the prevention of CVD, appear in the April 15 issue of the American Journal...

The right drug at the right time

...s Fahrenheit, and solutions containing cadmium and selenium compounds are injected. They chemically decompose and recombine as pure CdSe nanoparticles. Once these nanocrystals form, scientists can adjust their optical properties by growing them to precisely the size they want by adjusting the cooking time. T...

Method slashes quantum dot costs by 80 percent

...s Fahrenheit, and solutions containing cadmium and selenium compounds are injected. They chemically decompose and recombine as pure CdSe nanoparticles. Once these nanocrystals form, scientists can adjust their optical properties by growing them to precisely the size they want by adjusting the cooking time. T...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

..., Brassica juncea, absorbed two to four times more selenium from contaminated soil than the genetically unalte...but it becomes toxic at high doses. The dangers of selenium toxicity came to light in the 1980s when biologists discovered that irrigation drain water held at t...

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(Date:7/11/2014)... Cell scientists have set a "mouse TRAP" to capture ... a recent study published in the Journal of ... a technique called TRAP to extract cellular and genetic ... by scientists at the Rockefeller Institute for Medical Research ... the protein-making machinery, or ribosomes, of the cell type ...
(Date:7/11/2014)... international team of researchers, including scientists from the Max ... a reported a major step in understanding photosynthesis, the ... maintains the oxygen in its atmosphere and which is ... earth. , The researchers report the first direct ... namely the step in which a specific protein complex, ...
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Breaking Biology News(10 mins):A first direct glimpse of photosynthesis in action 2
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