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arXiv · 2011.08110

Detection of single molecules using stochastic resonance of bistable oligomers

Anastasia Markina·Alexander Muratov·Vladislav Petrovskii·Vladik Avetisov
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Abstract

Our computer simulations have shown that the large-scale conformational dynamics of a short oligomeric fragment of thermoresponsive polymers resemble the mechanical movement of nonlinear bistable systems. The oligomers demonstrate spontaneous vibrations and stochastic resonance activated by the thermal noise. We have observed reasonable shifts of the spontaneous vibrations and stochastic resonance modes when attaching a molecular cargo to the oligomer. All these effects indicate that bistable oligomers may work as operational units capable of detecting single molecules.

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Anastasia Markina, Alexander Muratov, Vladislav Petrovskii, Vladik Avetisov. 2020-11-16. Detection of single molecules using stochastic resonance of bistable oligomers. https://arxiv.org/abs/2011.08110

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