A. Amodio

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We demonstrate a strategy to trigger and finely control the assembly of supramolecular DNA nanostructures with pH. Control is achieved via a rationally designed strand displacement circuit that responds to pH and activates a downstream DNA tile self-assembly process. We observe that the DNA structures form under neutral/basic conditions, while the(More)
Here we investigate a novel signal-on electrochemical DNA sensor based on the use of a clamp-like DNA probe that binds a complementary target sequence through two distinct and sequential events, which lead to the formation of a triplex DNA structure. We demonstrate that this target-binding mechanism can improve both the affinity and specificity of(More)
In this paper, we present an improved harmonic coder for the wideband. In an effort to improve spectrum modelling with harmonic representation, we include in the structure, a post error spectrum modelling that is essentially useful for noisy signals or mixed spectra of high pitch voices. The bit constrained error spectrum modelling procedure coupled with an(More)
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