ScienceDaily: Top Environment News |
- Health costs of air pollution from agriculture clarified
- Drilling into trends in genetics, epigenetics of aging, longevity
- Fabricating nanostructures with silk could make clean rooms green rooms
- Technique measures quantity, risks of engineered nanomaterials delivered to cells
- Protein helps control common viral infection
| Health costs of air pollution from agriculture clarified Posted: 28 Mar 2014 02:52 PM PDT Ammonia pollution from agricultural sources poses larger health costs than previously estimated, according to research. Computer models, including a NASA model of chemical reactions in the atmosphere, were used to better represent how ammonia interacts in the atmosphere to form harmful particulate matter. The improved simulation helped the scientists narrow in on the estimated health costs from air pollution associated with food produced for export -- a growing sector of agriculture and a source of trade surplus.  |
| Drilling into trends in genetics, epigenetics of aging, longevity Posted: 28 Mar 2014 02:52 PM PDT A comprehensive analysis of the genetic and epigenetic mechanisms by an international group of scientists demonstrated that the majority of the genes, as well as genetic and epigenetic mechanisms that are involved in regulation of longevity, are highly interconnected and related to stress response.  |
| Fabricating nanostructures with silk could make clean rooms green rooms Posted: 28 Mar 2014 02:52 PM PDT Engineers have demonstrated that it is possible to generate nanostructures from silk in an environmentally friendly process that uses water as a developing agent and standard fabrication techniques. This approach provides a green alternative to the toxic materials commonly used in nanofabrication while delivering fabrication quality comparable to conventional synthetic polymers. Nanofabrication is at the heart of manufacture of semi-conductors and other electronic and photonic devices.  |
| Technique measures quantity, risks of engineered nanomaterials delivered to cells Posted: 28 Mar 2014 02:50 PM PDT Scientists have discovered a way to measure the effective density of engineered nanoparticles in physiological fluids, making it possible to determine the amount of nanomaterials that come into contact with cells and tissue in culture.  |
| Protein helps control common viral infection Posted: 26 Mar 2014 03:19 PM PDT A protein that regulates the body's immune response to cytomegalovirus (CMV), a common pathogen that causes lifelong infections and can lead to devastating illness in newborns and those with weakened immune systems, infectious disease specialists have found.  |
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