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Bacteria help explain why stress, fear trigger heart attacks

Scientists believe they have an explanation for the axiom that stress, emotional shock, or overexertion may trigger heart attacks in vulnerable people. Hormones released during these events appear to cause bacterial biofilms on arterial walls to disperse, allowing plaque deposits to rupture into the bloodstream.

Posted: Jun 10th, 2014

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POSS key ingredient in synthetic organ work

A key molecule developed at Hybrid Plastics now forms a main component in an effort to develop synthetic human organs for medical treatment. Such organs include tear ducts, blood vessels and windpipes.

Posted: Jun 6th, 2014

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Better tissue healing with disappearing hydrogels

When stem cells are used to regenerate bone tissue, many wind up migrating away from the repair site, which disrupts the healing process. But a research team makes use of hydrogel polymers in keeping the stem cells in place, resulting in faster and better tissue regeneration.

Posted: Jun 6th, 2014

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Retina prosthesis - Making artificial vision look more natural

In laboratory tests, researchers have used electrical stimulation of retinal cells to produce the same patterns of activity that occur when the retina sees a moving object. Although more work remains, this is a step toward restoring natural, high-fidelity vision to blind people.

Posted: Jun 5th, 2014

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Cellular traffic control system mapped for the first time

The transport routes of nutrients and messenger cargos can be compared to the traffic system of a city: A worldwide unique quantitative study of cell biologists shows that cells regulate the main routes, side routes and intersections by an intricate traffic control system, which guides the spatial and temporal distribution of substances within the cell.

Posted: Jun 5th, 2014

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