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1

Determination of sulphonamides by electron-capture gas chromatography preparation and properties of perfluoroacyl and pentafluorobenzyl derivatives

Olle Gyllenhaal, Hans Ehrsson

Journal:

Journal of Chromatography A

Year:

1975

Language:

english

File:

PDF, 468 KB

english, 1975

2

Immobilization of heptakis 6-O-tert-butyldimethylsilyl-2,3-di-O-methyl)-β-cyclodextrin for capillary gas chromatography and SFC and micro-liquid chromatography

Jürgen Dönnecke, Claudia Paul, Wilfried A. König, Lars. A. Svensson, Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Microcolumn Separations

Year:

1996

Language:

english

File:

PDF, 747 KB

english, 1996

3

Evaluation of a vancomycin chiral stationary phase in packed capillary supercritical fluid chromatography

Jürgen Dönnecke, Lars A. Svensson, Olle Gyllenhaal, Karl-Erik Karlsson, Anders Karlsson, Jörgen Vessman

Journal:

Journal of Microcolumn Separations

Year:

1999

Language:

english

File:

PDF, 273 KB

english, 1999

4

Analysis and stereoselective metabolism after separate oral doses of tocainide enantiomers to healthy volunteers

Kurt-Jürgen Hoffmann, Lars Renberg, Olle Gyllenhaal

Journal:

Biopharmaceutics & Drug Disposition

Year:

1990

Language:

english

File:

PDF, 675 KB

english, 1990

5

Analysis of α-hydroxy metabolites of metoprolol in human urine after phosgene/trimethylsilyl derivatization

Kurt-Jürgen Hoffmann, Olle Gyllenhaal, Jörgen Vessman

Journal:

Biological Mass Spectrometry = Journal of Mass Spectrometry (Wiley)

Year:

1987

Language:

english

File:

PDF, 402 KB

english, 1987

6

Reversal of elution order for profen acid enantiomers in packed-column SFC on Chiralpak AD

Olle Gyllenhaal, Morgan Stefansson

Journal:

Year:

2005

Language:

english

File:

PDF, 160 KB

english, 2005

7

Enantiomer separation by capillary SFC and GC on immobilized octakis(2,6-di-O-methyl-3-O-pentyl)-γ-cyclodextrin

Jürgen Dönnecke, Wilfried A. König, Olle Gyllenhaal, Jörgen Vessman, Christian Schulze

Journal:

Journal of Separation Science

Year:

1994

Language:

english

File:

PDF, 495 KB

english, 1994

8

Packed-column supercritical fluid chromatography of omeprazole and related compounds: Selection of column support with triethylamine- and methanol-modified carbon dioxide as the mobile phase

Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1993

Language:

english

File:

PDF, 592 KB

english, 1993

9

Derivatization of 2-amino alcohols with phosgene in aqueous media: limitations of the reaction selectivity as found in the presence of O-glucuronides of alprenolol in urine

Olle Gyllenhaal

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1987

Language:

english

File:

PDF, 449 KB

english, 1987

10

Ion-pair supercritical fluid chromatography of metoprolol and related amino alcohols on diol silica

Olle Gyllenhaal, Lena Edström, Bengt-Arne Persson

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 420 KB

english, 2006

11

Supercritical fluid chromatography of metoprolol and analogues on aminopropyl and ethylpyridine silica without any additives

Johanna Lundgren, John Salomonsson, Olle Gyllenhaal, Erik Johansson

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 1.10 MB

english, 2007

12

Packed column supercritical fluid chromatography of sodium stearyl fumarate aqueous suspension

Olle Gyllenhaal

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2006

Language:

english

File:

PDF, 140 KB

english, 2006

13

Reversal of elution order for profen acid enantiomers in normal phase LC on Chiralpak AD

Olle Gyllenhaal, Morgan Stefansson

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2008

Language:

english

File:

PDF, 356 KB

english, 2008

14

Electron capture gas chromatography of sulphonamides : Effects of structure and temperature on detector response

Olle Gyllenhaal, Per Hartvig

Journal:

Journal of Chromatography A

Year:

1980

Language:

english

File:

PDF, 524 KB

english, 1980

15

Determination of phenobarbital in human saliva by gas chromatography with electron-capture detection

Olle Gyllenhaal, Harald Brötell, Britt Sandgren

Journal:

Journal of Chromatography A

Year:

1976

Language:

english

File:

PDF, 720 KB

english, 1976

16

Determination of saccharin in urine by electron-capture gas chromatography after extractiv methylation

Per Hartvig, Olle Gyllenhaal, Margareta Hammarlund

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 318 KB

english, 1978

17

Gas chromatography of epinephrine and norepinephrine after derivatization with chloroformates in aqueous media

Olle Gyllenhaal, Lars Johansson, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1980

Language:

english

File:

PDF, 980 KB

english, 1980

18

Electron-capture gas chromatography of sulphonamides after extractive alkylation

Olle Gyllenhaal, Ulla Tjärnlund, Hans Ehrsson, Per Hartvig

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 495 KB

english, 1978

19

Electron-capture gas chromatography of sulphapyridine and its N4-acetyl metabolite in serum after extractive methylation

Olle Gyllenhaal, Barbra Näslund, Per Hartig

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 288 KB

english, 1978

20

Separation of carboxylic acid enantiomers by gas chromatography after rapid derivatization with (R)- or (S)-1-phenylethylamine after activation by ethyl chloroformate

Åsa Carlson, Olle Gyllenhaal

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 416 KB

english, 1990

21

Enantiomer separation of phenolic α- and β-receptor active drugs by chiral capillary gas chromatography after derivatization with diazomethane and phosgene

Wilfried A. König, Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1986

Language:

english

File:

PDF, 288 KB

english, 1986

22

Degradation of pentafluorobenzyl bromide in the extractive alkylation procedure

Olle Gyllenhaal

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 265 KB

english, 1978

23

Phosgene as a derivatizing reagent prior to gas and liquid chromatography

Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1988

Language:

english

File:

PDF, 857 KB

english, 1988

24

Direct derivatization of alprenolol and its 4-hydroxy metabolite in urine with phosgene and methanol prior to analysis by capillary column gas chromatography

Olle Gyllenhaal

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 598 KB

english, 1985

25

Gas chromatographic determination of valproate in minute serum samples after extractive methylation

Olle Gyllenhaal, Agneta Albinsson

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 252 KB

english, 1978

26

Capillary supercritical fluid chromatography of aliphatic amines : Studies on the selectivity and symmetry with three different columns using carbon dioxide or nitrous oxide as mobile phase

Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 770 KB

english, 1990

27

Determination of hydrazine in hydralazine by capillary gas chromatography with nitrogen-selective detection after benzaldehyde derivatization

Olle Gyllenhaal, Lena Grönberg, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 760 KB

english, 1990

28

Enantiomer separation of metoprolol and its analogues and metabolites by capillary column gas chromatography after derivatization with phosgene

Olle Gyllenhaal, Wilfred A. König, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 222 KB

english, 1985

29

Recent results in the use of phosgene as a derivatizing reagent prior to gas chromatography of amino alcohols

Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 568 KB

english, 1987

30

Degradation of perfluoroacyl derivatives of tocainide and some of its analogues in the presence of an excess of anhydride reagent

Olle Gyllenhaal, Kurt-Jürgen Hoffmann, Bo Lamm, Roger Simonsson, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1986

Language:

english

File:

PDF, 874 KB

english, 1986

31

Potential of packed column supercritical fluid chromatography for the separation of metoprolol from closely related compounds

Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 234 KB

english, 1999

32

Packed-column supercritical fluid chromatography for the purity analysis of clevidipine, a new dihydropyridine drug

Olle Gyllenhaal, Anders Karlsson, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 694 KB

english, 1999

33

Electron-capture gas chromatography of plasma sulphonylureas after extractive methylation

Per Hartvig, Christina Fagerlund, Olle Gyllenhaal

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1980

Language:

english

File:

PDF, 620 KB

english, 1980

34

Direct injection of aqueous samples in packed column supercritical fluid chromatography of isosorbide-5-mononitrate from drug release testing

Olle Gyllenhaal, Johan Hulthe

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2002

Language:

english

File:

PDF, 107 KB

english, 2002

35

HPLC enantiomer separation of a chiral 1,4-dihydropyridine monocarboxylic acid

Michael Lämmerhofer, Olle Gyllenhaal, Wolfgang Lindner

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2004

Language:

english

File:

PDF, 128 KB

english, 2004

36

Packed-column supercritical fluid chromatography of a new dihydropyridine drug based on direct injection of emulsion samples

Lars Karlsson, Olle Gyllenhaal, Anders Karlsson, Johan Gottfries

Journal:

Journal of Chromatography A

Year:

1996

Language:

english

File:

PDF, 478 KB

english, 1996

37

Simultaneous determination of metoprolol and metabolites in urine by capillary column gas chromatography as oxazolidineone and trimethylsilyl derivatives

Olle Gyllenhaal, Kurt-Jürgen Hoffmann

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1984

Language:

english

File:

PDF, 830 KB

english, 1984

38

Monitoring of S- and R-tocainide in human plasma after heptafluorobutyrylation, separation on chirasil-val® and electron-capture detection

Ann-Marie Antonsson, Olle Gyllenhaal, Kerstin Kylberg-Hanssen, Lars Johansson, Jörgen Vessman

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1984

Language:

english

File:

PDF, 435 KB

english, 1984

39

Packed column supercritical fluid chromatography of a peroxysome proliferator-activating receptor agonist drug: Achiral and chiral purity of substance, formulation assay and its enantiomeric purity

Olle Gyllenhaal

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 229 KB

english, 2004

40

Determination of free fatty acids as pentafluorobenzyl esters by electron capture gas chromatography

Olle Gyllenhaal, Harald Brötell, Per Hartvig

Journal:

Journal of Chromatography A

Year:

1976

Language:

english

File:

PDF, 607 KB

english, 1976

41

Enantiomer separation of tocainide and some of its analogues and derivatives on a Chirasil-Val capillary column

Olle Gyllenhaal, Bo Lamm, Jörgen Vessman

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 696 KB

english, 1987

42

Gas chromatography with nitrogen-selective detection of metoprolol from human plasma after reaction with phosgene

Olle Gyllenhaal, Jörgen Vessman

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1983

Language:

english

File:

PDF, 808 KB

english, 1983

43

Evaluation Conditions for SFC of Metoprolol and Related Amino Alcohols on Hypercarb (Porous Graphitic Carbon) with Respect to Structure–Selectivity Relations

Olle Gyllenhaal, Anders Karlsson

Journal:

Chromatographia

Year:

2010

Language:

english

File:

PDF, 569 KB

english, 2010

44

Packed-column supercritical fluid chromatography for the analysis of isosorbide-5-mononitrate and related compounds in bulk substance and tablets

Olle Gyllenhaal, Anders Karlsson

Journal:

Journal of Biochemical and Biophysical Methods

Year:

2000

Language:

english

File:

PDF, 207 KB

english, 2000

45

Enantiomeric separations of amino alcohols by packed-column SFC on Hypercarb with l-(+)-tartaric acid as chiral selector

Olle Gyllenhaal, Anders Karlsson

Journal:

Journal of Biochemical and Biophysical Methods

Year:

2002

Language:

english

File:

PDF, 215 KB

english, 2002

46

[Progress in Pharmaceutical and Biomedical Analysis] Identification and Determination of Impurities in Drugs Volume 4 || 2.10. Supercritical fluid chromatography (SFC)

Gyllenhaal, Olle

Year:

2000

Language:

english

File:

PDF, 584 KB

english, 2000

47

Determination of phosgene in methylene chloride after cyclisation with a 2-hydroxyamine and gas chromatography with nitrogen-selective detection

Gyllenhaal, Olle

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1983

Language:

english

File:

PDF, 510 KB

english, 1983

48

Reaction Monitoring of Aliphatic Amines in Supercritical Carbon Dioxide by Proton Nuclear Magnetic Resonance Spectroscopy and Implications for Supercritical Fluid Chromatography

Fischer, Holger, Gyllenhaal, Olle, Vessman, Jörgen, Albert, Klaus

Journal:

Analytical Chemistry

Year:

2003

Language:

english

File:

PDF, 116 KB

english, 2003

49

Gas chromatographic determination of pentazocine in human plasma by means of electron-capture detection

Brötell, Harald, Ehrsson, Hans, Gyllenhaal, Olle

Journal:

Journal of Chromatography A

Year:

1973

Language:

english

File:

PDF, 414 KB

english, 1973