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We describe experiments and modeling results that reveal and explain the distribution of times that identical double-stranded DNA (dsDNA) molecules take to pass through a voltage-biased solid-state nanopore. We show that the observed spread in this distribution is caused by viscous-drag-induced velocity fluctuations that are correlated with the initial conformation of nanopore-captured molecules....
Although immunoblotting (Western blotting) is widely used for the detection of specific proteins, it is often thought to be an inadequate technique for accurate and precise measurements of protein concentration. However, an accurate and precise technique is essential for quantitative testing of hypotheses, and thus for the analysis and understanding of proposed molecular mechanisms. The analysis of...
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