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Reconsideration of sample pH adjustment in bioanalytical liquid–liquid extraction of ionisable compounds

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 2007-06, Vol.853 (1-2), p.234-241

2007

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pH adjustment of human blood plasma prior to bioanalytical sample preparation

Journal of pharmaceutical and biomedical analysis, 2008-05, Vol.47 (1), p.126-133

2008

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New practical algorithm for modelling retention times in gradient reversed-phase high-performance liquid chromatography

Journal of Chromatography A, 2005-09, Vol.1089 (1), p.193-202

2005

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New practical algorithm for modelling analyte recovery in bioanalytical reversed phase and mixed-mode solid phase extraction

Journal of pharmaceutical and biomedical analysis, 2008-09, Vol.48 (1), p.158-170

2008

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The Detection and Identification of Quaternary Nitrogen Muscle Relaxants in Biological Fluids and Tissues by Ion-Trap LC-ESI-MS

Journal of analytical toxicology, 2002-01, Vol.26 (1), p.29-34

2002

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Dynamically coated capillaries improve the identification power of capillary zone electrophoresis for basic drugs in toxicological analysis

Journal of Chromatography A, 2001-08, Vol.927 (1), p.203-210

2001

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How to approach substance identification in qualitative bioanalysis

Journal of chromatography. B, Biomedical sciences and applications, 2000-02, Vol.739 (1), p.125-137

2000

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SPEC® Disc Solid-Phase Extraction for Rapid Broad-Spectrum Drug Screening in Urine

Journal of analytical toxicology, 2000-03, Vol.24 (2), p.97-101

2000

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Feasibility of the direct coupling of solid-phase extraction–pipette tips with a programmed-temperature vaporiser for gas chromatographic analysis of drugs in plasma

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 2002-01, Vol.766 (1), p.37-45

2002

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Isolation of Acidic, Neutral, and Basic Drugs from Whole Blood Using A Single Mixed-Mode Solid-Phase Extraction Column

Journal of analytical toxicology, 1992-11, Vol.16 (6), p.351-355

1992

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Toxicological analysis of whole blood samples by means of bond-elut certify columns and gas chromatography with nitrogen—phosphorus detection

Journal of Chromatography A, 1994-07, Vol.674 (1), p.87-95

1994

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A Single-Column Procedure on Bond Elut Certify for Systematic Toxicological Analysis of Drugs in Plasma and Urine

Journal of forensic sciences, 1992-01, Vol.37 (1), p.61-71

1992

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Rapid Extraction of Clenbuterol from Human and Calf Urine Using Empore™ C8 Extraction Disks

Journal of analytical toxicology, 1999-11, Vol.23 (7), p.632-365

1999

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An Enzymic Digestion and Solid-Phase Extraction Procedure for the Screening for Acidic, Neutral, and Basic Drugs in Liver Using Gas Chromatography for Analysis

Journal of analytical toxicology, 1996-07, Vol.20 (4), p.248-254

1996

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Solid-phase extraction - thermal desorption - gas chromatography with mass selective detection for the determination of drugs in urine

Chromatographia, 2003-02, Vol.57 (3-4), p.221-225

2003

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Direct enantiomeric separation of mianserin and 6-azamianserin derivatives using chiral stationary phases

Journal of Chromatography A, 1998-04, Vol.803 (1), p.169-177

1998

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Dramatic Signal Reduction in Ion-Mobility Spectrometry by Residues of Solvents

Journal of analytical toxicology, 1998-05, Vol.22 (3), p.191-196

1998

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Factors influencing mothers' reactions to intrafamily sexual abuse

Child abuse & neglect, 1989, Vol.13 (1), p.131-139

1989

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Solid phase extraction for multi-residue analysis of anabolic steroids and related substances from calf urine using C18 and alumina columns

Journal of liquid chromatography & related technologies, 1999, Vol.22 (17), p.2627-2650

1999

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Determination of Basic Drugs Extracted from Biological Matrices by Means of Solid-Phase Extraction and Wide-Bore Capillary Gas Chromatography with Nitrogen-Phosphorus Detection

Journal of analytical toxicology, 1994-05, Vol.18 (3), p.150-153

1994

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Pitfalls and Solutions in the Development of a Fully Automated Solid-Phase Extraction Method for Drug Screening Purposes in Plasma and Whole Blood

Journal of analytical toxicology, 1993-11, Vol.17 (7), p.421-426

1993

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Thin-layer chromatography under tropical conditions: Impact of high temperatures and high humidities on screening systems for analytical toxicology

Journal of Chromatography A, 1994-04, Vol.664 (2), p.263-270

1994

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Liquid chromatographic chiral separations of the N-6-( endo-2-norbornyl)-9-methyladenine enantiomers

Journal of Chromatography A, 1993-07, Vol.641 (1), p.39-48

1993

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Interlaboratory Applicability of a Retention Index Library of Drugs For Screening by reversed phase HPLC in Systematic Toxicological Analysis

Journal of liquid chromatography, 1993-04, Vol.16 (6), p.1341-1354

1993

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Application of Empore C-8 Extraction Disks for Screening Urine in Systematic Toxicological Analysis

Journal of forensic sciences, 1992-03, Vol.37 (2), p.460-466

1992

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Reconsideration of sample pH adjustment in bioanalytical liquid–liquid extraction of ionisable compounds

pH adjustment of human blood plasma prior to bioanalytical sample preparation

New practical algorithm for modelling retention times in gradient reversed-phase high-performance liquid chromatography

New practical algorithm for modelling analyte recovery in bioanalytical reversed phase and mixed-mode solid phase extraction

The Detection and Identification of Quaternary Nitrogen Muscle Relaxants in Biological Fluids and Tissues by Ion-Trap LC-ESI-MS

Dynamically coated capillaries improve the identification power of capillary zone electrophoresis for basic drugs in toxicological analysis

How to approach substance identification in qualitative bioanalysis

SPEC® Disc Solid-Phase Extraction for Rapid Broad-Spectrum Drug Screening in Urine

Feasibility of the direct coupling of solid-phase extraction–pipette tips with a programmed-temperature vaporiser for gas chromatographic analysis of drugs in plasma

Isolation of Acidic, Neutral, and Basic Drugs from Whole Blood Using A Single Mixed-Mode Solid-Phase Extraction Column

Toxicological analysis of whole blood samples by means of bond-elut certify columns and gas chromatography with nitrogen—phosphorus detection

A Single-Column Procedure on Bond Elut Certify for Systematic Toxicological Analysis of Drugs in Plasma and Urine

Rapid Extraction of Clenbuterol from Human and Calf Urine Using Empore™ C8 Extraction Disks

An Enzymic Digestion and Solid-Phase Extraction Procedure for the Screening for Acidic, Neutral, and Basic Drugs in Liver Using Gas Chromatography for Analysis

Solid-phase extraction - thermal desorption - gas chromatography with mass selective detection for the determination of drugs in urine

Direct enantiomeric separation of mianserin and 6-azamianserin derivatives using chiral stationary phases

Dramatic Signal Reduction in Ion-Mobility Spectrometry by Residues of Solvents

Factors influencing mothers' reactions to intrafamily sexual abuse

Solid phase extraction for multi-residue analysis of anabolic steroids and related substances from calf urine using C18 and alumina columns

Determination of Basic Drugs Extracted from Biological Matrices by Means of Solid-Phase Extraction and Wide-Bore Capillary Gas Chromatography with Nitrogen-Phosphorus Detection

Pitfalls and Solutions in the Development of a Fully Automated Solid-Phase Extraction Method for Drug Screening Purposes in Plasma and Whole Blood

Thin-layer chromatography under tropical conditions: Impact of high temperatures and high humidities on screening systems for analytical toxicology

Liquid chromatographic chiral separations of the N-6-( endo-2-norbornyl)-9-methyladenine enantiomers

Interlaboratory Applicability of a Retention Index Library of Drugs For Screening by reversed phase HPLC in Systematic Toxicological Analysis

Application of Empore C-8 Extraction Disks for Screening Urine in Systematic Toxicological Analysis

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