[PDF] Top 20 Capillary electrophoresis for caffeine and pyroglutamate determination in coffees / C Barbas [et al ]
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Capillary electrophoresis for caffeine and pyroglutamate determination in coffees / C Barbas [et al ]
... s in acquisition ...of coffees 3, 4 and 11, if any, was only mild at the dose tested, and hardly explain the tendency of these coffees to enhance cognition in passive avoidance ... See full document
6
Direct measurement of homovanillic, vanillylmandelic and 5 hydroxyindoleacetic acids in urine by capillary electrophoresis / C Barbas [et al ]
... acid and proteins [16], but there are many areas where CE can sodium hydroxide were from Panreac (Barcelona, replace the conventional ...Spain) and methanol and acetic acid were from Isaaq et ... See full document
11
Capillary electrophoresis for the analysis of short chain organic acids in coffee / V Galli and C Barbas
... HPLC for the quantification of organic acids in cof- fee ...able for studies including a large number of samples, since it is very tedious, while an HPLC method which employed an ion-exchange column ... See full document
8
Chiral capillary electrophoresis mass spectrometry of amino acids in foods / Coral Barbas [et al ]
... inclusion in and interaction with the chiral selector becomes more ...increase in size but also due to the new inter- actions involving the label ...sensitivity for their analysis by ESI-MS, ... See full document
11
Optimization and validation of an isocratic HPLC method for caffeine, 8 chlorotheophylline and diphenhydramine determination : stress test for stability evaluation / C Barbas [et al ]
... caffeine and 0.063 to 0.188 mg / ml for 8-chloro- 8-Chlorotheophylline elution order changed with theophilline and diphenhydramine which corres- pH in the mobile phase independently of ... See full document
8
Evaluation of filter paper collection of urine samples for detection and measurement of organic acidurias by capillary electrophoresis / C Barbas [et al ]
... prevented in most babies diagnosed by newborn screening programs for inborn errors and the cost–benefit ratios of these programs have been reported as highly ...positive. In a previous work we ... See full document
10
Fast and sensitive capillary electrophoresis method to quantitatively monitor ibuprofen enantiomers released from polymeric drug delivery systems / C Barbas [et al ]
... particularly in therefore, separations that have to be usually carried chronic diseases as rheumatoid ...arthritis. In this out in this type of drug-release studies (more than sense, several research ... See full document
9
Capillary electrophoresis for evaluating orange juice authenticity : study of spanish oranges / L Saavedra, F J Rupérez and C Barbas
... existing in natural orange juices in small but constant amounts, has been used as an adulteration indicator (Park, 1983; Robards and An- tolovich, 1995) and the use of ratios in quality ... See full document
6
Capillary electrophoresis of glutathione to monitor oxidative stress and response to antioxidant treatments in an animal model / Coral Barbas [et al ]
... analytical determination have been questioned ...aspects, capillary elec- trophoresis has been chosen as a more adequate technique for obtaining a rapid and simple method for GSH ... See full document
9
Development and validation of a capillary electrophoresis method for short chain organic acids measurement in natural rubber latex / V Galli, N Olmo and C Barbas
... imported and were representa- 14 organic acids with indirect UV detection using a tive of commercial ...material. For valuation, samples commercial modifier; however, fumaric acid is not of natural latex ... See full document
11
Combining peptide modeling and capillary electrophoresis mass / C Barbas [et al ]
... peptides in terms of peak shape and resolution is usually ...ionization and signal. In general, resolution and sensitivity of CE - MS become the overriding factors, often determining ... See full document
9
Development of a frit free SPE based in column prconcentration system for capillary electrophoresis / C Barbas [et al ]
... long and 50 or 75 m i.d. bare capillary to make a total capillary length of 60 ...the capillary fill up step. Sample was loaded into the capillary for the desired time ... See full document
6
Capillary electrophoresis for the determination of organic acidurias in body fluids : review / Antonia García and Coral Barbas
... efficiency, and low cost. This provides an interesting tool for screening programs in ...newborns. For prenatal diagnosis or when the patient is acutely ill, the procedures utilized must be ... See full document
8
Capillary eletrophoresis determination of loratadine and related impurities / H Fernández, F J Rupérez and C Barbas
... are in a concentration range where analyte response is linearly proportional to con- ...centration. For main component assay methods, this study is generally performed by preparing standard solutions at ... See full document
8
High throughput simultaneous assay of atenolol and chlortalidone in combined dose tablets by liquid chromatography and capillary zone electrophoresis
... chromatographic and capillary zone electrophoresis methods were developed and validated for simultaneous determination of atenolol and chlortalidone in combined ... See full document
1
Comparison between UV spectrophotometric and capillary electrophoresis methods for determination of rabeprazole sodium in pharmaceutical formulations
... tablets and the absorbance of the aqueous solutions of RAB was ...risks and is not expensive. The adjust in pH was necessary since RAB is unstable under acid ... See full document
4
Poly(ethyleneglycol) column for the determination of acetaminophen, phenylephrine and chlorpheniramine in pharmaceutical formulations / C Barbas [et al ]
... prepared in 50-ml volumetric Both quantification and detection limits are calcu- flasks by weighing the exact amount of acetamino- lated by means of the study of statistical parameters phen (from ...mg) ... See full document
7
Development of an in capillary derivatization method by CE for the determination of chiral amino acids in dietary supplements and wines
... AQC and amino acids studied (see Table 1), the results observed could be explained as ...HS-b-CD and the neutral AQC are responsible for the migration toward the anode of the AQC reagent, reaching ... See full document
9
Dynamite packaging and portable capillary electrophoresis in forensics
... EC, and Titadyn), which differed in their volatile ...EC and Titadyn also have DNT in common, while only Titadyn contains ...present in Goma-2 EC dynamite but not in Goma-2 ECO ... See full document
216
Rapid determination of salbutamol in pharmaceutical preparations by chiral capillary electrophoresis
... triplicate in order to determine the linear concentration ...area and the concentration of salbutamol in the concentration range between ...prepared and injected by triplicate during three ... See full document
7
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