Darnaud marion (10 résultats)

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Taschenbuch. Etat : Neu. Creation of a DNA aptamer biosensor for the detection of heart failure | Marion Darnaud | Taschenbuch | 332 S. | Englisch | 2016 | LAP Lambert Academic Publishing | EAN 9783659829239 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.…

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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Aptamers are small nucleic acid molecules, which are used to bind specific targets in ways similar to antibodies. They offer advantages in terms of cost and reproducibility of production, stability and capability for biochemical modifications. This work focused on discovering a new DNA aptamer biosensor for brain natriuretic peptide (BNP), a biomarker of the early stages of heart failure. A library of random DNA sequences was generated by the polymerase chain reaction and evaluated for specific and sensitive binding to BNP using an in vitro selection technique known as systematic evolution of ligands by exponential enrichment (SELEX). After 15 SELEX cycles using BNP immobilised on an affinity chromatography column, selected aptamers were subcloned and sequenced. The aptamer exhibiting the best specificity towards BNP was shown to adopt a G-quadruplex structure of the anti-parallel type. This aptamer was used to devise an enzyme-linked oligonucleotide assay using surface enhanced Raman spectroscopy allowing the detection of BNP down to the picomolar range. In addition, a quick colorimetric assay was developed on the concept of target-mediated aggregation of gold nanoparticles. 332 pp. Englisch.…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Darnaud MarionMarion Darnaud is a R&D Biosciences Manager. She graduated with a PhD in Pure and Applied Chemistry in 2008 at the University of Strathclyde, Glasgow, UK. Her PhD work, under the supervision of Prof. Duncan Graham, was .…

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Aptamers are small nucleic acid molecules, which are used to bind specific targets in ways similar to antibodies. They offer advantages in terms of cost and reproducibility of production, stability and capability for biochemical modifications. This work focused on discovering a new DNA aptamer biosensor for brain natriuretic peptide (BNP), a biomarker of the early stages of heart failure. A library of random DNA sequences was generated by the polymerase chain reaction and evaluated for specific and sensitive binding to BNP using an in vitro selection technique known as systematic evolution of ligands by exponential enrichment (SELEX). After 15 SELEX cycles using BNP immobilised on an affinity chromatography column, selected aptamers were subcloned and sequenced. The aptamer exhibiting the best specificity towards BNP was shown to adopt a G-quadruplex structure of the anti-parallel type. This aptamer was used to devise an enzyme-linked oligonucleotide assay using surface enhanced Raman spectroscopy allowing the detection of BNP down to the picomolar range. In addition, a quick colorimetric assay was developed on the concept of target-mediated aggregation of gold nanoparticles.…

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Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Aptamers are small nucleic acid molecules, which are used to bind specific targets in ways similar to antibodies. They offer advantages in terms of cost and reproducibility of production, stability and capability for biochemical modifications. This work focused on discovering a new DNA aptamer biosensor for brain natriuretic peptide (BNP), a biomarker of the early stages of heart failure. A library of random DNA sequences was generated by the polymerase chain reaction and evaluated for specific and sensitive binding to BNP using an in vitro selection technique known as systematic evolution of ligands by exponential enrichment (SELEX). After 15 SELEX cycles using BNP immobilised on an affinity chromatography column, selected aptamers were subcloned and sequenced. The aptamer exhibiting the best specificity towards BNP was shown to adopt a G-quadruplex structure of the anti-parallel type. This aptamer was used to devise an enzyme-linked oligonucleotide assay using surface enhanced Raman spectroscopy allowing the detection of BNP down to the picomolar range. In addition, a quick colorimetric assay was developed on the concept of target-mediated aggregation of gold nanoparticles.Books on Demand GmbH, Überseering 33, 22297 Hamburg 332 pp. Englisch.…