function
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Biology
Scientists uncover insights into neuron function by measuring two key signals simultaneously in living animals
When triggered by odor, C. elegans olfactory neurons undergo rapid changes in membrane potential and intracellular calcium ion levels, leading to fluctuations in the fluorescence intensity of membrane potential sensors and calcium ion sensors. Researchers at Kyushu University measured these changes simultaneously using high-speed capture under a microscope and subsequent image processing, showing that the two signals encode different information…
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Nanotechnology
Better than blood tests? Nanoparticles have the potential to assess kidney function
Researchers at the University of Texas at Dallas are studying how the movement and excretion of nanoparticles through the kidneys is affected by kidney damage. They recently found that kidney x-rays using gold nanoparticles as a contrast agent may be more accurate at detecting kidney disease than standard laboratory blood tests. Photo courtesy of the University of Texas at Dallas.…
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