Concepedia

Author

Nikolai Stephanson

Karolinska Institutet

Also Known As

Nikolai Stephanson

8

Publications

510

Citations

8

H-Index

15

Concepts

All Affiliations

Karolinska InstitutetKarolinska University HospitalSwedish National Board of Forensic Medicine
NS

About

Nikolai Stephanson is an author at Karolinska Institutet specializing in medicine, analytical chemistry, and drug analysis.

Top Concepts

#ConceptH-IndexPublicationsCitations

1

Medicine

4

4

157

2

Pharmacology

3

3

80

3

Biochemistry

2

2

63

4

Clinical Chemistry

2

2

108

5

Alcohol-related Liver Disease

1

1

31

Nikolai Stephanson

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8

Publications

510

Citations

8

H-Index

YearCitations

Comparison of Urinary Excretion Characteristics of Ethanol and Ethyl Glucuronide

Helen Dahl, Nikolai Stephanson, Olof Beck,

Journal of Analytical Toxicology

2002

200

Direct Quantification of Ethyl Glucuronide in Clinical Urine Samples by Liquid Chromatography–Mass Spectrometry

Nikolai Stephanson, Helen Dahl, Anders Helander,

Therapeutic Drug Monitoring

2002

123

Comparison of ethyl glucuronide in hair with phosphatidylethanol in whole blood as post-mortem markers of alcohol abuse

Peter Bendroth, Robert Kronstrand, Anders Helander,

Forensic Science International

2007

77

Accurate identification and quantification of 11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid in urine drug testing: Evaluation of a direct high efficiency liquid chromatographic–mass spectrometric method

Nikolai Stephanson, Martin Josefsson, Robert Kronstrand,

Journal of Chromatography B

2008

32

Alcohol biomarker analysis: simultaneous determination of 5‐hydroxytryptophol glucuronide and 5‐hydroxyindoleacetic acid by direct injection of urine using ultra‐performance liquid chromatography‐tandem mass spectrometry

Nikolai Stephanson, Anders Helander, Olof Beck

Journal of Mass Spectrometry

2007

31

Direct and efficient liquid chromatographic‐tandem mass spectrometric method for opiates in urine drug testing – importance of 6‐acetylmorphine and reduction of analytes

Maria Andersson, Nikolai Stephanson, Inger Öhman,

Drug Testing and Analysis

2013

20

Determination of urinary 5-hydroxytryptophol glucuronide by liquid chromatography–mass spectrometry

Nikolai Stephanson, Helen Dahl, Anders Helander,

Journal of Chromatography B

2004

17

Ecstasy Analogues Found in Cacti

Jan G. Bruhn, Hesham R. EI-Seedi, Nikolai Stephanson,

Journal of Psychoactive Drugs

2008

10

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