(Q46538644)

23 December 2017

title

Determination of caffeine and its metabolites in urine by capillary electrophoresis-mass spectrometry (English)

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23 December 2017

author name string

Unita L Peri-Okonny

1

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23 December 2017

Shao Xiong Wang

2

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23 December 2017

R John Stubbs

3

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23 December 2017

Norberto A Guzman

4

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23 December 2017

publication date

1 June 2005

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23 December 2017

published in

Electrophoresis

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23 December 2017

volume

26

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23 December 2017

issue

13

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23 December 2017

page(s)

2652-2663

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23 December 2017

describes a project that uses

capillary electrophoresis

1 reference

Caffeine and schizophrenia.

inferred from title

cites work

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

Theophylline or caffeine: which is best for apnea of prematurity?

21 January 2018

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Pharmacological aspects of pentoxifylline with emphasis on its inhibitory actions on hepatic fibrogenesis

21 January 2018

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https://api.crossref.org/works/10.1002%2FELPS.200500231

Pentoxifylline: wonder drug?

21 January 2018

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https://api.crossref.org/works/10.1002%2FELPS.200500231

Tissue distribution of amphetamine isomers in a fatal overdose

21 January 2018

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https://api.crossref.org/works/10.1002%2FELPS.200500231

Cocaine, nicotine, caffeine, and metabolite plasma concentrations in neonates

21 January 2018

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

Psychostimulants and epilepsy

21 January 2018

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Effect of coffee consumption on intraocular pressure

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Adenosine-dopamine interactions in the brain

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Caffeine as a model drug of abuse

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Distribution of seizure precipitants among epilepsy syndromes

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of theophylline and its metabolites in biological samples by liquid chromatography-mass spectrometry.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Analysis of urinary caffeine metabolites by HPLC-DAD: the use of metabolic ratios to assess CYP1A2 enzyme activity

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Measurement of caffeine and five of the major metabolites in urine by high-performance liquid chromatography/tandem mass spectrometry

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Pharmacogenetics affects dosing, efficacy, and toxicity of cytochrome P450-metabolized drugs

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Analysis of urinary caffeine metabolites to assess biotransformation enzyme activities by reversed-phase high-performance liquid chromatography.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Subnanomolar quantification of caffeine's in vitro metabolites by stable isotope dilution gas chromatography-mass spectrometry

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of theophylline and its metabolites in rat liver microsomes and human urine by capillary electrophoresis

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Recent advances in caffeine and theobromine toxicities: a review

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Theophylline. A review of its potential steroid sparing effects in asthma

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Paraxanthine, a caffeine metabolite, dose dependently increases [Ca(2+)](i) in skeletal muscle

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Comparison of the quantification of caffeine in human plasma by gas chromatography and ELISA.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

A stable gas chromatography-mass spectrometry analysis system to characterize Ma Huang products found in health foods and supplements

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Use of an automated on-line SPE-HPLC method to monitor caffeine and selected aniline and phenol compounds in aquatic systems of Macedonia-Thrace, Greece

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Proposal of sampling process for collecting human sweat and determination of caffeine concentration in it by using GC/MS.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

New method for rapid solid-phase extraction of large-volume water samples and its application to non-target screening of North Sea water for organic contaminants by gas chromatography-mass spectrometry

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Sample purification for the analysis of caffeine in tobacco by gas chromatography-mass spectrometry

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

The pharmacokinetics, metabolism and urinary detection time of caffeine in camels

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Adulterants encountered in the illicit cocaine market

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

A validated HPLC method for the determination of pyridostigmine bromide, acetaminophen, acetylsalicylic acid and caffeine in rat plasma and urine

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Pharmacology of ephedra alkaloids and caffeine after single-dose dietary supplement use.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of a 'GW cocktail' of cytochrome P450 probe substrates and their metabolites in plasma and urine using automated solid phase extraction and fast gradient liquid chromatography tandem mass spectrometry.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

HPLC assay of acetylsalicylic acid, paracetamol, caffeine and phenobarbital in tablets

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Analysis of multicomponent formulations containing phenylpropanolamine hydrochloride, caffeine and diazepam by using LC.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Spectrophotometric multicomponent analysis of a mixture of metamizol, acetaminophen and caffeine in pharmaceutical formulations by two chemometric techniques

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

LC method for the analysis of paracetamol, caffeine and codeine phosphate in pharmaceutical preparations

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Trace determination of caffeine in surface water samples by liquid chromatography--atmospheric pressure chemical ionization--mass spectrometry (LC-APCI-MS).

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Electrophoretic methods in the analysis of beverages

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of additives in food by capillary electrophoresis

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Enhanced analysis of purine and pyrimidine bases by the use of double-strand polyaniline coatings in micellar electrokinetic capillary chromatography

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Separation of theophylline, caffeine and related drugs by normal-phase capillary electrochromatography

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

In-house packing and testing of capillaries for capillary electrochromatography using simple equipment.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Analysis of synthetic chemical drugs in adulterated Chinese medicines by capillary electrophoresis/electrospray ionization mass spectrometry

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Gradient elution capillary electrochromatography and hyphenation with nuclear magnetic resonance

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Capillary electrophoretic determination of theanine, caffeine, and catechins in fresh tea leaves and oolong tea and their effects on rat neurosphere adhesion and migration

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Quantitation of caffeine by capillary zone electrophoresis with end-column amperometric detection at a carbon microdisk array electrode

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Analysis of catechins and caffeine in tea extracts by micellar electrokinetic chromatography

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Hair analysis, a novel tool in forensic and biomedical sciences: new chromatographic and electrophoretic/electrokinetic analytical strategies.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of ephedrine, theophylline and phenobarbital in a tablet dosage form by capillary electrophoresis

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Microchip-based capillary electrophoresis for immunoassays: analysis of monoclonal antibodies and theophylline.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Validity of an ELISA for N-acetyltransferase-2 (NAT2) phenotyping

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of immunoreactive gonadotropin-releasing hormone in serum and urine by on-line immunoaffinity capillary electrophoresis coupled to mass spectrometry.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Characterization of pharmaceutical drugs by a modified nonaqueous capillary electrophoresis--mass spectrometry method

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Optimized methods for capillary electrophoresis of tetracyclines

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Migration behavior and selectivity of sulfonamides in capillary electrophoresis

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Selected fundamental aspects of chiral electromigration techniques and their application to pharmaceutical and biomedical analysis

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Use of novel solid-phase extraction sorbent materials for high-performance liquid chromatography quantitation of caffeine metabolism products methylxanthines and methyluric acids in samples of biological origin.

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Extractionless method for the determination of urinary caffeine metabolites using high-performance liquid chromatography coupled with tandem mass spectrometry

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Determination of urinary 13C-caffeine metabolites by liquid chromatography-mass spectrometry: the use of metabolic ratios to assess CYP1A2 activity

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Electrospray ionization mass spectrometric characterization and quantitation of xanthine derivatives using isotopically labelled analogues: an application for equine doping control analysis

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Overview of the status and applications of capillary electrophoresis to the analysis of small molecules

1 reference

https://api.crossref.org/works/10.1002%2FELPS.200500231

7 January 2021

Identifiers

DOI

10.1002/ELPS.200500231

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23 December 2017

1 reference

23 December 2017