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Fluid Cathedrals: Gels Under the Microscope

By Guest PostOctober 8, 2012Science3d maps, bandage, basilica, cables, computer simulation, correlation, di, discovery, dollop, engineering researcher, error, florence, flow, fluid, geodesic dome, hair gel, high tech, labyrinth, lilian hsiao, manufacturer, michael solomon, michigan, particle, pedestrian, pressure, railroad bridge, richmond newman, rigid structure, rods, roof, santa croce, sharon glotzer, tensegrity, trial

ANN ARBOR— A dollop of hair gel might not look like much, but Michigan Engineering researchers have found that it’s a labyrinth of chambers and domes, constructed by the particles inside. These structures allow the gel to hold its shape and determine how much pressure it can withstand before it starts to flow.

While manufacturers currently use trial and error to develop gels with a particular degree of solidity, this discovery could provide a way to design gels for particular applications. (more…)

Photoreceptor Transplant Restores Vision in Mice

By Guest PostApril 19, 2012Scienceblindness, brain, central nervous system, cones, degenerate retina, degenerative eye diseases, degenerative eye disorders, diabetes, embryonic stem cells, institute of ophthalmology, macular degeneration, mice, photoreceptor transplantation, photoreceptors, rachael pearson, retinitis pigmentosa, rob buckle, robin ali, rods, stem cell therapies, transplanting photoreceptors, ucl, vision, visual information, visually impaired

Scientists from the UCL Institute of Ophthalmology have shown for the first time that transplanting light-sensitive photoreceptors into the eyes of visually impaired mice can restore their vision.

The research, published in Nature, suggests that transplanting photoreceptors – light-sensitive nerve cells that line the back of the eye – could form the basis of a new treatment to restore sight in people with degenerative eye diseases. (more…)

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Fluid Cathedrals: Gels Under the Microscope

Photoreceptor Transplant Restores Vision in Mice