Výsledky vyhledávání - "Nathalie Siri"

HPLC-fluorescence detection and MEKC-LIF detection for the study of amino acids and catecholamines labelled with naphthalene-2,3-dicarboxyaldehyde

Autor: François Couderc, Nathalie Siri, Marlène Lacroix, Jean-Christophe Garrigues, Véréna Poinsot

Publikováno v: ELECTROPHORESIS. 27:4446-4455

Naphthalene-2,3-dicarboxyaldehyde (NDA) is commonly used for detection of primary amines in conjunction with their separation with HPLC and CE. The fluorescence of the derivatives can be measured by a conventional fluorometer or via LIF. NDA is a rea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::008809b9c75e445153625ac4426ef9b5
https://doi.org/10.1002/elps.200600165

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Automated large-volume sample stacking procedure to detect labeled peptides at picomolar concentration using capillary electrophoresis and laser-induced fluorescence detection

Autor: François Couderc, Nathalie Siri, Pierre Riolet, Christophe Bayle

Publikováno v: Journal of Chromatography B. 793:151-157

We have developed an automated large-volume sample stacking (LVSS) procedure to detect fluorescein isothiocyanate-labeled peptides in the picomolar range. The injection duration is 10 min at 50 mbar to fill 62% of the capillary volume to the detectio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6997cfa142874408d0621a99ec9d7fde
https://doi.org/10.1016/s1570-0232(03)00372-6

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Analysis of tryptophan and tyrosine in cerebrospinal fluid by capillary electrophoresis and 'ball lens' UV-pulsed laser-induced fluorescence detection

Autor: François Couderc, Michel Treilhou, Elisabeth Caussé, Nathalie Siri, Véréna Poinsot, Christophe Bayle

Publikováno v: Journal of chromatography. A. 1013(1-2)

For the purpose of this study, we used a “ball lens” UV laser-induced fluorescence (LIF) detector comprising a pulsed laser and a collinear optical arrangement. The fluorescence signal is induced by a pulsed laser and detected by a photomultiplie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6e209d32343bf22c841750ddc58ecf5
https://pubmed.ncbi.nlm.nih.gov/14604114

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Determination of asymmetrical dimethylarginine by capillary electrophoresis-laser-induced fluorescence

Autor: E Caussé, Nathalie Siri, P Malatray, Jean-François Arnal, C Bayle, Robert Salvayre, François Couderc, Pierre Valdiguié

Publikováno v: Journal of chromatography. B, Biomedical sciences and applications. 741(1)

Asymmetric dimethyl-L-arginine (ADMA) is a naturally occurring analogue of L-arginine (L-Arg), the substrate of nitric oxide synthase (NOS). ADMA is a potent endogenous inhibitor of NOS and accumulates in the plasma of patients with renal failure, wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc181c13cbef0df503976e863713a7f9
https://pubmed.ncbi.nlm.nih.gov/10839134

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Plasma homocysteine determined by capillary electrophoresis with laser-induced fluorescence detection

Autor: E Caussé, Françoise Couderc, Robert Salvayre, Nathalie Siri, Christophe Bayle, Sandrine Champagne, Hélène Bellet, Pierre Valdiguié

Publikováno v: Clinical chemistry. 45(3)

Homocysteine (Hcy) has emerged as another risk factor for the development of coronary heart disease (1). Genetic abnormalities of the enzymes cystathionine-β-synthase and methylene tetrahydrofolate reductase (folic acid and vitamin B6 and B12 cofact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5ca213d4835792138ad74fb77e6104b
https://pubmed.ncbi.nlm.nih.gov/10053046

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