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Critical parameters in surface plasmon resonance biosensor development the interaction between estrogen receptor and estrogen response element as model

Abstract : Estrogenic compounds are contaminants that may be active at low concentrations and are a major concern for environmental quality. They interact with organisms via Estrogen Receptors (ER). Some detection methods which have been developed use the ability of ER to interact with short consensus DNA sequences known as Estrogen Response Elements (ERE). Surface Plasmon Resonance (SPR) based techniques allow detection of interaction without labelled molecule use. Such optical transductors are widely used to convert the biological recognition signals into electric quantifiable signals. In this study, SPR is used to assess signal variation in the presence of estrogenic compounds. The combination of physical properties and biological recognition events (e.g. ER/ERE) permits the development of biosensors. These require several steps activation of the surface, DNA sequence binding, ERE sequence evaluation, ER preparation, characterization of binding properties and regeneration of the surface. This article focuses on the mode of surface activation, protein-DNA binding conditions and the regeneration of ERE. After giving a summary of the literature concerning the usual conditions employed in these steps, an evaluation of some key parameters is given.
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Submitted on : Thursday, March 26, 2020 - 11:21:11 AM
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Sandrine Bayle, David Bénimèlis, Joel Chopineau, Benoit Roig, Denis Habauzit. Critical parameters in surface plasmon resonance biosensor development the interaction between estrogen receptor and estrogen response element as model. Biochimie, Elsevier, 2020, 171-172, pp.12-20. ⟨10.1016/j.biochi.2020.01.015⟩. ⟨hal-02470894⟩

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