ScienceDaily: Biotechnology News |
| Nanoparticles hold promise as potential vehicle for drug delivery in brain Posted: 09 Jan 2012 10:27 AM PST In the images of fruit flies, clusters of neurons are all lit up, forming a brightly glowing network of highways within the brain. It's exactly what researchers were hoping to see: It meant that ORMOSIL, a novel class of nanoparticles, had successfully penetrated the insects' brains. And even after long-term exposure, the cells and the flies themselves remained unharmed.  |
| Tracking genes' remote controls: New method for observing enhancer activity during development Posted: 09 Jan 2012 10:26 AM PST Inside each cell's nucleus, genetic sequences known as enhancers act like remote controls, switching genes on and off. Scientists can now see -- and predict -- exactly when each remote control is itself activated, in a real embryo.  |
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