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Communication Dans Un Congrès Année : 2011

Towards a Statistical Description of Experimental Data for Detection - Estimation problems in DNA translocations trhough nanopores

Résumé

This paper investigates the properties of DNA translocations signals in a stochastic framework. The considered signals are relative to the translocation of single strand DNA through natural nanopores, and are obtained using a planar patch clamp method. The stochastic signal analysis is carried out considering the statistical distribution of DNA translocation parameters, considered as random variables including the amplitude, the duration and the apparition of the DNA translocation events as well as the no-translocation signal features. For each of these variables, a distribution function is proposed and assessed using a Kolmogorov-Smirnov test, and their features are estimated. The DNA translocation signal stochastic analysis enables to characterize the detection and/or estimation performances of existing algorithms, such as a breakdown detection algorithm, in a stochastic framework. Moreover, it opens the way to the design of model based algorithms such as detection tests using a likelihood ratio or joint detection-estimation algorithms using a maximum likelihood approach, for an enhanced characterization of DNA translocations.
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Dates et versions

hal-00739181 , version 1 (13-02-2013)

Identifiants

  • HAL Id : hal-00739181 , version 1

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S Michelet, J-P Barbot, Olivier Français, P.Y. Joubert, Pascal Larzabal, et al.. Towards a Statistical Description of Experimental Data for Detection - Estimation problems in DNA translocations trhough nanopores. BIOSIGNALS, 2011, Roma, Italy. ⟨hal-00739181⟩
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