Search Results - "Sarabia, Luis A."
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Experimental design for the optimization of the derivatization reaction in determining chlorophenols and chloroanisoles by headspace-solid-phase microextraction–gas chromatography/mass spectrometry
Published in Journal of Chromatography A (28-06-2013)“…•Tools to optimize a derivatization reaction and interpret 8 responses in conflict.•Tools to optimize a derivatization reaction of chlorophenols…”
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2
Class-modeling analysis reveals T-cell homeostasis disturbances involved in loss of immune control in elite controllers
Published in BMC medicine (28-02-2018)“…Despite long-lasting HIV replication control, a significant proportion of elite controller (EC) patients may experience CD4 T-cell loss. Discovering…”
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3
Detection of cold chain breaks using partial least squares-class modelling based on biogenic amine profiles in tuna
Published in Talanta (Oxford) (01-09-2019)“…The maintenance of the cold chain is essential to ensure foodstuff conformity and safety. However, gaps in the cold chain may be expected so designing…”
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4
Optimization of the derivatization reaction and the solid-phase microextraction conditions using a D-optimal design and three-way calibration in the determination of non-steroidal anti-inflammatory drugs in bovine milk by gas chromatography–mass spectrometry
Published in Journal of Chromatography A (15-07-2011)“…An experimental design optimization is reported of an analytical procedure used in the simultaneous determination of seven non-steroidal anti-inflammatory…”
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5
Optimization of headspace experimental factors to determine chlorophenols in water by means of headspace solid-phase microextraction and gas chromatography coupled with mass spectrometry and parallel factor analysis
Published in Analytica chimica acta (19-11-2012)“…[Display omitted] ► D-optimal design allows the reduction of experiments from 48 to 18 maintaining the precision. ► A procedure based on HS-SPME–GC/MS to…”
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6
Determination and identification, according to European Union Decision 2002/657/EC, of malachite green and its metabolite in fish by liquid chromatography–tandem mass spectrometry using an optimized extraction procedure and three-way calibration
Published in Journal of Chromatography A (17-07-2009)“…This paper reports a multiresponse optimization of an extraction procedure in the simultaneous determination of malachite green (MG) and its metabolite…”
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Multiresponse optimization and parallel factor analysis, useful tools in the determination of estrogens by gas chromatography–mass spectrometry
Published in Journal of Chromatography A (20-07-2007)“…This paper reports an experimental design optimization of a recently proposed silylation procedure that avoids the introduction of false positives and false…”
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Robust regression techniques A useful alternative for the detection of outlier data in chemical analysis
Published in Talanta (Oxford) (15-10-2006)“…The validation of an analytical procedure means the evaluation of some performance criteria such as accuracy, sensitivity, linear range, capability of…”
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Advantages of PARAFAC calibration in the determination of malachite green and its metabolite in fish by liquid chromatography–tandem mass spectrometry
Published in Journal of Chromatography A (11-04-2008)“…This paper reports the properties and advantages of the three-way calibration models based on parallel factor analysis (PARAFAC) in the simultaneous…”
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Selective detection and discrimination of nitro explosive vapors using an array of three luminescent sensory solid organic and hybrid polymer membranes
Published in Sensors and actuators. B, Chemical (01-06-2015)“…•Nitro explosive vapors were detected and discriminated using sensory films.•Three sensory films were designed and prepared.•The sensory materials are…”
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Near-infrared spectroscopy and partial least squares-class modeling (PLS-CM) for metabolomics fingerprinting discrimination of intervention breakfasts ingested by obese individuals
Published in Journal of chemometrics (01-09-2013)“…Near‐infrared spectroscopy has been used in nutritional metabolomics fingerprinting for the assessment of the intake of intervention breakfasts prepared with…”
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12
Ad-hoc blocked design for the robustness study in the determination of dichlobenil and 2,6-dichlorobenzamide in onions by programmed temperature vaporization-gas chromatography–mass spectrometry
Published in Journal of Chromatography A (28-11-2014)“…•Robustness of a PTV-GC–MS procedure with 18 factors to analyze dichlobenil in onions.•A saturated design is blocked ad hoc avoiding aliasing the block with…”
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13
Usefulness of a PARAFAC decomposition in the fiber selection procedure to determine chlorophenols by means SPME-GC-MS
Published in Analytical and bioanalytical chemistry (01-05-2012)“…In this work, a procedure based on solid-phase microextraction and gas chromatography coupled with mass spectrometry is proposed to determine chlorophenols in…”
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14
D-optimal designs and N-way techniques to determine sulfathiazole in milk by molecular fluorescence spectroscopy
Published in Analytica chimica acta (30-11-2011)“…[Display omitted] ► Fluorescence spectroscopy is used to determine sulfathiazole in milk. ► Optimization of the procedure is made by coupling a D-optimal…”
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15
Usefulness of parallel factor analysis to handle the matrix effect in the fluorescence determination of tetracycline in whey milk
Published in Analytica chimica acta (19-01-2009)“…The determination of tetracycline by fluorescence spectrophotometry in complex matrices has some difficulties, because the presence of other compounds in the…”
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Study of robustness based on n-way models in the spectrofluorimetric determination of tetracyclines in milk when quenching exists
Published in Analytica chimica acta (05-10-2009)“…An important step in the validation of an analytical procedure is the study of its robustness. In the case of spectrofluorimetric determinations, quenching…”
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Optimization of a solid-phase extraction procedure in the fluorimetric determination of sulfonamides in milk using the second-order advantage of PARAFAC and D-optimal design
Published in Analytical and bioanalytical chemistry (01-01-2010)“…The objective of this work is to optimize a solid-phase extraction procedure for the simultaneous determination of sulfadiazine, sulfamerazine, and…”
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Optimization of a FIA system with amperometric detection by means of a desirability function Determination of sulfadiazine, sulfamethazine and sulfamerazine in milk
Published in Talanta (Oxford) (15-03-2008)“…A sensitive and cheap FIA, with amperometric detection, analytical procedure is developed in this paper to determine sulfadiazine, sulfamethazine and…”
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Detection capability of tetracyclines analysed by a fluorescence technique: comparison between bilinear and trilinear partial least squares models
Published in Analytica chimica acta (16-01-2004)“…According to the committee decision of 12 August 2002 (2002/657/EC) the capability of detection, CCβ, must be set in all analytical methods not only at…”
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Robust procedure for calibration and calculation of the detection limit of trimipramine by adsorptive stripping voltammetry at a carbon paste electrode
Published in Analytical chemistry (Washington) (01-03-1993)“…A method for determining trimipramine by adsorptive stripping voltammetery using a carbon paste electrode is described. The method was found to offer adequate…”
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