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Acidic transformation of nordiazepam can affect recovery estimate during trace analysis of diazepam and nordiazepam in environmental water samples by liquid chromatography–tandem mass spectrometry

Analytical and bioanalytical chemistry, 2019-07, Vol.411 (17), p.3919-3928

2019

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Chiral analysis of metoprolol and two of its metabolites, α-hydroxymetoprolol and deaminated metoprolol, in wastewater using liquid chromatography–tandem mass spectrometry

Journal of Chromatography A, 2012-12, Vol.1269 (SI), p.208-217

2012

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Trace analysis of fluoxetine and its metabolite norfluoxetine. Part II: Enantioselective quantification and studies of matrix effects in raw and treated wastewater by solid phase extraction and liquid chromatography–tandem mass spectrometry

Journal of Chromatography A, 2012-03, Vol.1227, p.105-114

2012

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Trace analysis of fluoxetine and its metabolite norfluoxetine. Part I: Development of a chiral liquid chromatography–tandem mass spectrometry method for wastewater samples

Journal of Chromatography A, 2011-08, Vol.1218 (33), p.5587-5596

2011

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Two new types of assays to determine protein concentrations in biological fluids using mass spectrometry of intact proteins with cystatin C in spinal fluid as an example

Scandinavian journal of clinical and laboratory investigation, 2014-09, Vol.74 (6), p.546-554

2014

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Interface for open tubular column supercritical fluid chromatography/atmospheric pressure chemical ionization mass spectrometry

Analytical chemistry (Washington), 1993-10, Vol.65 (20), p.2835-2840

1993

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Improvements in the separation and detection of acetylcholine and choline using liquid chromatography and electrochemical detection

Journal of Chromatography A, 1990, Vol.502 (2), p.337-349

1990

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Determination of morphine, morphine-3-glucuronide and morphine-6-glucuronide in human serum by solid-phase extraction and liquid chromatography-mass spectrometry with electrospray ionisation

Journal of Chromatography A, 1996-04, Vol.729 (1), p.279-285

1996

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Determination of acetylcholine and choline using liquid chromatography and enzyme-mediated detection, with emphasis on microdialysis samples

Tyrefors, Niklas Lars

1991

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Temperature control of liquid chromatographic columns and enzyme reactors by using a proportional-integral-differential regulator in conjunction with a thermoelectric element

Analytical chemistry (Washington), 1991-09, Vol.63 (17), p.1901-1902

Tyrefors, Niklas

1991

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Reversed-phase ion-pair chromatography coupled to electrospray ionisation mass spectrometry by on-line removal of the counter-ions

JOURNAL OF CHROMATOGRAPHY A, 1999-08, Vol.854 (1-2), p.155-162

1999

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On the use of liquid chromatography with radio- and ultraviolet absorbance detection coupled to mass spectrometry for improved sensitivity and selectivity in determination of specific radioactivity of radiopharmaceuticals

Journal of pharmaceutical and biomedical analysis, 1999-07, Vol.20 (3), p.493-501

1999

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Determination of raclopride in human plasma by on-column focusing packed capillary liquid chromatography–electrospray ionisation mass spectrometry

Journal of chromatography. B, Biomedical sciences and applications, 2000-10, Vol.748 (1), p.189-195

2000

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Analysis of l-[methyl- 11C]methionine and metabolites in human plasma by an automated solid-phase extraction and a high-performance liquid chromatographic procedure

Journal of chromatography. B, Biomedical applications, 1996-04, Vol.679 (1), p.13-19

1996

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Synthesis of a 11C-labelled derivative of the N-methyl-D-aspartate receptor antagonist MK-801

Journal of labelled compounds & radiopharmaceuticals, 1998-06, Vol.41 (6), p.567-576

1998

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Packed capillary column liquid chromatography coupled to mass spectrometry by a simple modification of an electrospray interface

The journal of microcolumn separations, 1999, Vol.11 (5), p.353-358

1999

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An automated liquid chromatographic plasma analysis of amino acids used in combination with positron emission tomography (PET) for determination of in vivo plasma kinetics

Journal of Pharmaceutical and Biomedical Analysis [J. PHARM. BIOMED. ANAL.]. Vol. 13, no. 4-5. 1995, 1995-04, Vol.13 (4), p.353-359

1995

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High-performance liquid chromatography–tandem electrospray mass spectrometry for the determination of lidocaine and its metabolites in human plasma and urine

Journal of chromatography. B, Biomedical sciences and applications, 2000-05, Vol.741 (2), p.175-188

2000

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Determination of acetylcholine and choline in microdialysates from spinal cord of rat using liquid chromatography with electrochemical detection

Journal of chromatography, 1987, Vol.423, p.85-91

1987

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Acidic transformation of nordiazepam can affect recovery estimate during trace analysis of diazepam and nordiazepam in environmental water samples by liquid chromatography–tandem mass spectrometry

Chiral analysis of metoprolol and two of its metabolites, α-hydroxymetoprolol and deaminated metoprolol, in wastewater using liquid chromatography–tandem mass spectrometry

Trace analysis of fluoxetine and its metabolite norfluoxetine. Part II: Enantioselective quantification and studies of matrix effects in raw and treated wastewater by solid phase extraction and liquid chromatography–tandem mass spectrometry

Trace analysis of fluoxetine and its metabolite norfluoxetine. Part I: Development of a chiral liquid chromatography–tandem mass spectrometry method for wastewater samples

Two new types of assays to determine protein concentrations in biological fluids using mass spectrometry of intact proteins with cystatin C in spinal fluid as an example

Interface for open tubular column supercritical fluid chromatography/atmospheric pressure chemical ionization mass spectrometry

Improvements in the separation and detection of acetylcholine and choline using liquid chromatography and electrochemical detection

Determination of morphine, morphine-3-glucuronide and morphine-6-glucuronide in human serum by solid-phase extraction and liquid chromatography-mass spectrometry with electrospray ionisation

Determination of acetylcholine and choline using liquid chromatography and enzyme-mediated detection, with emphasis on microdialysis samples

Temperature control of liquid chromatographic columns and enzyme reactors by using a proportional-integral-differential regulator in conjunction with a thermoelectric element

Reversed-phase ion-pair chromatography coupled to electrospray ionisation mass spectrometry by on-line removal of the counter-ions

On the use of liquid chromatography with radio- and ultraviolet absorbance detection coupled to mass spectrometry for improved sensitivity and selectivity in determination of specific radioactivity of radiopharmaceuticals

Determination of raclopride in human plasma by on-column focusing packed capillary liquid chromatography–electrospray ionisation mass spectrometry

Analysis of l-[methyl- 11C]methionine and metabolites in human plasma by an automated solid-phase extraction and a high-performance liquid chromatographic procedure

Synthesis of a 11C-labelled derivative of the N-methyl-D-aspartate receptor antagonist MK-801

Packed capillary column liquid chromatography coupled to mass spectrometry by a simple modification of an electrospray interface

An automated liquid chromatographic plasma analysis of amino acids used in combination with positron emission tomography (PET) for determination of in vivo plasma kinetics

High-performance liquid chromatography–tandem electrospray mass spectrometry for the determination of lidocaine and its metabolites in human plasma and urine

Determination of acetylcholine and choline in microdialysates from spinal cord of rat using liquid chromatography with electrochemical detection

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