Science news articles about 'copper ions'

... from the internal organs of the fresh fish, sinking to the bottom of the tank. The remaining copper ions are absorbed from the seawater in the tank by sand and polyester filters, leaving safe, clean ...

... atoms get ionized and enough new ions return to the target, it becomes self-sustaining ... means of self-sputtering. They were able to increase the copper-ion current to the substrate right up to the point ...

... of inserts are associated with earlier-age onset of the disease. The octarepeat domain takes up copper ions, which are essential for the proper functioning of neurons. Millhauser's lab looked at the ...

... Hampshire will present thin films of silver and copper she has developed that can kill bacteria and may one day ... 9% of bacteria within two hours." Copper ions are known to penetrate bacteria and disrupt ...

... When we looked at the so-called 'random' portion of the PrP where that binding occurs, we found that the copper ions lend stability to the overall protein. This stability may play a role in preventing ...

... these cell-sized polymer sacks, the calcium ions create calcium-rich islands or patches on top of negatively-charged polymer. Copper ions also work, and the patches can be made to coalesce and ...

... researchers report. The more this secondary region repels water, the more the overall charge on the copper ion becomes destabilized and the higher the potential becomes. The effect of the hydrogen ...