Yearbook 2006

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When cells divide, the genomic information is duplicated and becomes symmetrically distributed to the daughter cells during division. Errors in the distribution of the genomic DNA can lead to cell death or promote tumor growth. Researchers at the Friedrich Miescher Laboratory use yeast to examine how cells ensure the extremely low error rate in the distribution of the genomic information. more
We present in situ real-time observations of pitting corrosion as it spreads across the surface of stainless steel in an electrolytic solution. By applying simultaneously two different imaging methods, i.e. ellipsomicroscopy and contrast-enhanced microscopy, the correlation between oxide film weakening and the nucleation and reactivation of individual pits is examined. The existence of front propagation as a component of the transition to pitting corrosion shows that characteristics of this process are consistent with the behavior of stochastic reaction-diffusion systems . more
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