Sarah Belsey

Principal Clinical Scientist

Sarah has worked in Toxicology at King’s College Hospital for 6 years, currently as a senior clinical scientist within the drugs of abuse department. Her work has been focused on routine analysis of drugs of abuse, notably buprenorphine detection in urine, but has also included aspects of therapeutic drug monitoring, forensic toxicology and trace metal analysis. 

Recently published:

Belsey SL and Karch SB (2015) Substance Misuse: Herbal Medicine, In Encyclopedia of Forensic and Legal Medicine (Second Edition), edited by Jason Payne-James and Roger W. Byard, Elsevier, Oxford, Pages 377-387, ISBN 9780128000557.

Couchman L, Subramaniam K, Fisher DS, Belsey SL, Handley SA, Flanagan RJ. Automated analysis of clozapine and norclozapine in human plasma using novel extraction plate technology and flow-injection tandem mass spectrometry. Ther Drug Monit 2015; Sep 2 [Epub ahead of print].

Belsey SL, Couchman L and Flanagan RJ (2014) Buprenorphine detection in urine using liquid chromatography-high-resolution mass spectrometry: comparison with cloned enzyme donor immunoassay and homogeneous enzyme immunoassay. J Anal Tox 38: 438-443.

Flanagan RJ, Belsey SL, Launiainen T. (2014). Chapter 44: Forensic Biochemistry. In: Marshall W, et al. Clinical Biochemistry: Metabolic and clinical aspects 3rd Edition. Elsevier

Couchman L, Belsey SL, Handley SA, Flanagan RJ. A novel approach to quantitative LC-MS/MS: therapeutic drug monitoring of clozapine and norclozapine using isotopic internal calibration. Anal Bioanal Chem 2013;405:9455-66.

Contact information

Last updated: 11/12/2019