Monika Johansson

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

Barclay, Victoria K. H.; Tyrefors, Niklas L; Johansson, I. Monika; Pettersson, Curt E.

Ingår i Analytical and Bioanalytical Chemistry, s. 3919-3928, 2019

• DOI för 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
• Ladda ner fulltext (pdf) av 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

Use and qualification of primary and secondary standards employed in quantitative H-1 NMR spectroscopy of pharmaceuticals

Rundlöf, Torgny; McEwen, Ian; Johansson, Monika; Arvidsson, Torbjörn

Ingår i Journal of Pharmaceutical and Biomedical Analysis, s. 111-117, 2014

• DOI för Use and qualification of primary and secondary standards employed in quantitative H-1 NMR spectroscopy of pharmaceuticals

A general analytical platform and strategy in search for illegal drugs

Johansson, Monika; Fransson, Dick; Rundlöf, Torgny; Huynh, Ngoc-Hang et al.

Ingår i Journal of Pharmaceutical and Biomedical Analysis, s. 215-229, 2014

• DOI för A general analytical platform and strategy in search for illegal drugs

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

Barclay, Victoria K.H.; Tyrefors, Niklas L.; Johansson, I. Monika; Pettersson, Curt

Ingår i Journal of Chromatography A, s. 208-217, 2012

• DOI för Chiral analysis of metoprolol and two of its metabolites, alpha‑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

Barclay, Victoria K H; Tyrefors, Niklas L; Johansson, I Monika; Pettersson, Curt E

Ingår i Journal of Chromatography A, s. 105-114, 2012

• DOI för 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

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

Barclay, Victoria K. H.; Tyrefors, Niklas L; Johansson, I. Monika; Pettersson, Curt E.

Ingår i Analytical and Bioanalytical Chemistry, s. 3919-3928, 2019

• DOI för 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
• Ladda ner fulltext (pdf) av 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

Use and qualification of primary and secondary standards employed in quantitative H-1 NMR spectroscopy of pharmaceuticals

Rundlöf, Torgny; McEwen, Ian; Johansson, Monika; Arvidsson, Torbjörn

Ingår i Journal of Pharmaceutical and Biomedical Analysis, s. 111-117, 2014

• DOI för Use and qualification of primary and secondary standards employed in quantitative H-1 NMR spectroscopy of pharmaceuticals

A general analytical platform and strategy in search for illegal drugs

Johansson, Monika; Fransson, Dick; Rundlöf, Torgny; Huynh, Ngoc-Hang et al.

Ingår i Journal of Pharmaceutical and Biomedical Analysis, s. 215-229, 2014

• DOI för A general analytical platform and strategy in search for illegal drugs

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

Barclay, Victoria K.H.; Tyrefors, Niklas L.; Johansson, I. Monika; Pettersson, Curt

Ingår i Journal of Chromatography A, s. 208-217, 2012

• DOI för Chiral analysis of metoprolol and two of its metabolites, alpha‑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

Barclay, Victoria K H; Tyrefors, Niklas L; Johansson, I Monika; Pettersson, Curt E

Ingår i Journal of Chromatography A, s. 105-114, 2012

• DOI för 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

Screening of counterfeit corticosteroid in creams and ointments by NMR spectroscopy

McEwen, Ian; Elmsjö, Albert; Lehnstrom, Angelica; Hakkarainen, Birgit et al.

Ingår i Journal of Pharmaceutical and Biomedical Analysis, s. 245-250, 2012

• DOI för Screening of counterfeit corticosteroid in creams and ointments by NMR spectroscopy

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

Barclay, Victoria K. H.; Tyrefors, Niklas L.; Johansson, I. Monika; Pettersson, Curt E.

Ingår i Journal of Chromatography A, s. 5587-5596, 2011

• DOI för Trace analysis of fluoxetine and its metabolite norfluoxetine: Part I: Development of a chiral liquid chromatography-tandem mass spectrometry method for wastewater samples