2001
DOI: 10.1016/s0378-4347(00)00521-1
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Development and validation of a high-performance liquid chromatographic method for the determination of γ-hydroxybutyric acid in rat plasma

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Cited by 26 publications
(14 citation statements)
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“…The assay employs a deuterated internal standard, and its precision is therefore superior when compared to the HPLC assay reported by de Vriendt et al [6] who could not find a suitable internal standard. The method has been proven sufficiently sensitive to detect endogenous GHB levels in various rat brain regions, and therefore may be employed for pharmacological studies in animals.…”
Section: Resultsmentioning
confidence: 85%
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“…The assay employs a deuterated internal standard, and its precision is therefore superior when compared to the HPLC assay reported by de Vriendt et al [6] who could not find a suitable internal standard. The method has been proven sufficiently sensitive to detect endogenous GHB levels in various rat brain regions, and therefore may be employed for pharmacological studies in animals.…”
Section: Resultsmentioning
confidence: 85%
“…Solid phase extraction (SPE) was carried out using Varian Bond Elute SAX cartridges (100 mg, 1 ml, Palo Alto, CA) connected to a Varian Vac Elut 20 manifold and a vacuum pump. Although we have essentially adopted the procedures of de Vriendt et al [6] for SPE and HPLC, we found that, in our hands, the recovery from this procedure was low and variable, so slight modifications were made in the composition and volume of the eluent used in removing GHB from the SPE column. Our final adopted procedure was as follows: the cartridge was first conditioned serially with 1 ml of methanol, 6 ml of 10% acetic acid, and 1 ml of water at an approximate flow rate of 1 ml/min.…”
Section: Sample Preparationmentioning
confidence: 91%
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“…Une revue des ces méthodes a été effectué récemment par de Vriendt (41). Il est indispensable d'utiliser une colonne d'interaction hydrophile et une micro extraction en phase solide pour obtenir un extrait très propre.…”
Section: Autres Méthodesunclassified
“…Un test colorimétrique a été proposé récemment (18). La chromatographie en phase liquide haute performance avec détection UV n'est pas très sensible et ne peut être utilisée que pour les substances saisies (19) ou les concentrations élevées, même si récemment, une limite de quantification de 10 ug/mL a été atteinte (20). La méthode la plus utilisée est la chromatographie en phase gazeuse avec détection par ionisation de flamme (17), capture d'électrons (21) ou spectrométrie de masse (22).…”
Section: Kétamineunclassified