Teemu Gunnar

Spatio‐temporal assessment of illicit drug use at large scale: evidence from 7 years of international wastewater monitoring

Iria González‐Mariño, Jose Antonio Baz‐Lomba, ‪Nikiforos Alygizakis et al. · Addiction · 2019 · 225 citations · Full text

Drug Testing in Oral Fluid—Evaluation of Sample Collection Devices

Kaarina Langel, Charlotta Engblom, Anna Pehrsson et al. · Journal of Analytical Toxicology · 2008 · 176 citations · Full text

Drug Recovery, Collection Devices, Drug Class +16

The detection and stability of the SARS-CoV-2 RNA biomarkers in wastewater influent in Helsinki, Finland

Anna-Maria Hokajärvi, Annastiina Rytkönen, Ananda Tiwari et al. · The Science of The Total Environment · 2021 · 159 citations · Full text

Validated semiquantitative/quantitative screening of 51 drugs in whole blood as silylated derivatives by gas chromatography-selected ion monitoring mass spectrometry and gas chromatography electron capture detection

Teemu Gunnar, Sirpa Mykkänen, Kari Ariniemi et al. · Journal of Chromatography B · 2004 · 118 citations

Quantitative Pharmacology, Whole Blood, Medicinal Chemistry +18

Validated toxicological determination of 30 drugs of abuse as optimized derivatives in oral fluid by long column fast gas chromatography/electron impact mass spectrometry

Teemu Gunnar, Kari Ariniemi, Pirjo Lillsunde · Journal of Mass Spectrometry · 2005 · 118 citations