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The use of a simple fluorescent nucleoside analogue in detection of point mutations by hybridization in solution is described. Pyrene is placed at 3' and 5' ends of a pair of oligodeoxynucleotide probes via a phosphoramidite derivative of deoxyribose with this fluorophore attached at the 1' position, replacing a DNA base. Adjacent binding of dual probes(More)
A geographic information system (GIS) was used to introduce and test a new method for quantitatively characterizing topographic change. Borrowing from classic Newtonian mechanics, the concept of a body's center of mass is applied to the geomorphic landscape, and the barrier island environment in particular, to evaluate the metric's potential as a proxy for(More)
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