Publications 2025

Jamt REG, Gjerde H, Clausen GB, Bache-Andreassen L, Øiestad EL (2025)
Evaluation of DrugWipe® 6S with the WipeAlyser® reader for drug screening of drivers
J Anal Toxicol (in press)
DOI 10.1093/jat/bkaf028, PubMed 40354046

Publications 2021

Gjerde H, Bretteville-Jensen AL, Bache-Andreassen L, Hanoa K, Furuhaugen H, Brochmann GW, Vindenes V (2021)
Which illicit drugs are injected in Oslo? A study based on analysis of drug residues in used injection equipment and self-reported information
Scand J Public Health, 51 (1), 21-27
DOI 10.1177/14034948211043984, PubMed 34538164

Publications 2020

Gjerde H, Bretteville-Jensen AL, Furuhaugen H, Bache-Andreassen L, Bergh MS, Vindenes V (2020)
Determination of drug residues in used syringe needles
Drug Test Anal, 12 (3), 410-416
DOI 10.1002/dta.2759, PubMed 31899604

Publications 2015

Nilsson EJ, Heimdal J, Bache-Andreassen L, Johnson MS, Nielsen CJ (2015)
Tropospheric photolysis rates of the acetaldehyde isotopologues CD₃CHO and CD₃CDO relative to CH₃CHO measured at the European Photoreactor Facility
J Phys Chem A, 119 (11), 2562-7
DOI 10.1021/jp509050d, PubMed 25654214

Publications 2009

Nilsson EJ, Bache-Andreassen L, Johnson MS, Nielsen CJ (2009)
Relative tropospheric photolysis rates of acetaldehyde and formaldehyde isotopologues measured at the European photoreactor facility
J Phys Chem A, 113 (15), 3498-504
DOI 10.1021/jp811113c, PubMed 19298072

Publications 2008

Marinkovic M, Gruber-Stadler M, Nicovich JM, Soller R, Mülhäuser M, Wine PH, Bache-Andreassen L, Nielsen CJ (2008)
Experimental and theoretical study of the carbon-13 and deuterium kinetic isotope effects in the Cl and OH reactions of CH3F
J Phys Chem A, 112 (48), 12416-29
DOI 10.1021/jp807609d, PubMed 18989948

Publications 2005

Gola AA, D'Anna B, Feilberg KL, Sellevag SR, Bache-Andreassen L, Nielsen CJ (2005)
Kinetic isotope effects in the gas phase reactions of OH and Cl with CH3Cl, CD3Cl, and (CH3Cl)-C-13
Atmos. Chem. Phys., 5, 2395-2402
DOI 10.5194/acp-5-2395-2005

Laerdahl JK, Civcir PU, Bache-Andreassen L, Uggerud E (2005)
Nucleophilic identity substitution reactions. The reaction between hydrogen fluoride and protonated alkyl fluorides
Org Biomol Chem, 4 (1), 135-41
DOI 10.1039/b513315g, PubMed 16358008

Publications 2004

Bache-Andreassen L, Uggerud E (2004)
Trends in alkyl substituent effects on nucleophilic reactions of carbonyl compounds: gas phase reactions between amines and the methoxy methyl cation
Eur J Mass Spectrom (Chichester), 10 (2), 233-8
DOI 10.1255/ejms.533, PubMed 15103101

Publications 2003

Bache-Andreassen L, Uggerud E (2003)
Trends in alkyl substituent effects on nucleophilic reactions of carbonyl compounds: gas phase reactions between ammonia and R1R2COCH3+ oxonium ions
Org Biomol Chem, 1 (4), 705-13
DOI 10.1039/b209955c, PubMed 12929458

Laerdahl JK, Bache-Andreassen L, Uggerud E (2003)
Nucleophilic identity substitution reactions. The reaction between ammonia and protonated amines
Org Biomol Chem, 1 (16), 2943-50
DOI 10.1039/b302270f, PubMed 12968346

Publications 2001

Bache-Andreassen L, Uggerud E (2001)
A mechanistic investigation of the reactions between the tert-butyl methylene oxonium ion [CH2OC(CH3)(3)(+)] and ammonia: competition between substitution, addition-elimination, and elimination
Int. J. Mass Spectrom., 210 (1-3), 459-468
DOI 10.1016/S1387-3806(01)00437-7

Publications 2000

Bache-Andreassen L, Uggerud E (2000)
Mechanisms of reactions between ammonia and methylene oxonium ions: immonium ion formation versus transfer of the oxygen substituent
Int. J. Mass Spectrom., 195, 171-184
DOI 10.1016/S1387-3806(99)00200-6

Publications 1999

Uggerud E, Bache-Andreassen L (1999)
Theoretical models and experimental data for reactions between water and protonated alcohols: Substitution and elimination mechanisms
Chem.-Eur. J., 5 (6), 1917-1930
DOI 10.1002/(SICI)1521-3765(19990604)5:6<1917::AID-CHEM1917>3.0.CO;2-R