Direct detection of DNA conformation in hybridization processes.

Abstract excerpt

DNA hybridization studies at surfaces normally rely on the detection of mass changes as a result of the addition of the complementary strand. In this work we propose a mass-independent sensing principle based on the quantitative monitoring of the conformation of the immobilized single-strand probe and of the final hybridized product. This is demonstrated by using a label-free acoustic technique, the quartz...

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