Geraldine Dowling

2023

Tentative Identification of Etazene (Etodesnitazene) Metabolites in Rat Serum and Urine by Gas Chromatography-Mass Spectrometry and Accurate Mass Liquid Chromatography-Mass Spectrometry

Grigoryev, A., Kavanagh, P., Dowling, G. & Rodin, I., 24 Jan 2023, In: Journal of Analytical Toxicology. 46, 9, p. 1032-1037 6 p.

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

2022

(2-Aminopropyl)benzo[β]thiophenes (APBTs) are novel monoamine transporter ligands that lack stimulant effects but display psychedelic-like activity in mice

Rudin, D., McCorvy, J. D., Glatfelter, G. C., Luethi, D., Szöllősi, D., Ljubišić, T., Kavanagh, P. V., Dowling, G., Holy, M., Jaentsch, K., Walther, D., Brandt, S. D., Stockner, T., Baumann, M. H., Halberstadt, A. L. & Sitte, H. H., Mar 2022, In: Neuropsychopharmacology. 47, 4, p. 914-923 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Citations (Scopus)

Detection of ADB-BUTINACA Metabolites in Human Urine, Blood, Kidney and Liver

Kavanagh, P., Pechnikov, A., Nikolaev, I., Dowling, G., Kolosova, M. & Grigoryev, A., 1 Jul 2022, In: Journal of Analytical Toxicology. 46, 6, p. 641-650 10 p.

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Return of the lysergamides. Part VII: Analytical and behavioural characterization of 1-valeroyl-d-lysergic acid diethylamide (1V-LSD)

Brandt, S. D., Kavanagh, P. V., Westphal, F., Pulver, B., Morton, K., Stratford, A., Dowling, G. & Halberstadt, A. L., Apr 2022, In: Drug Testing and Analysis. 14, 4, p. 733-740 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

15 Citations (Scopus)

Separating the wheat from the chaff: Observations on the analysis of lysergamides LSD, MIPLA, and LAMPA

Brandt, S. D., Kavanagh, P. V., Westphal, F., Stratford, A., Blanckaert, P., Dowling, G., Grill, M., Schwelm, H. M., Auwärter, V. & Chapman, S. J., Mar 2022, In: Drug Testing and Analysis. 14, 3, p. 545-556 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Citations (Scopus)

2021

Synthetic cannabinoid receptor agonists: Analytical profiles and development of QMPSB, QMMSB, QMPCB, 2F-QMPSB, QMiPSB, and SGT-233

Brandt, S. D., Kavanagh, P. V., Westphal, F., Dreiseitel, W., Dowling, G., Bowden, M. J. & Williamson, J. P. B., Jan 2021, In: Drug Testing and Analysis. 13, 1, p. 175-196 22 p.

Research output: Contribution to journal › Article › peer-review

Open Access

10 Citations (Scopus)

2020

Analytical profile of N-ethyl-N-cyclopropyl lysergamide (ECPLA), an isomer of lysergic acid 2,4-dimethylazetidide (LSZ)

Brandt, S. D., Kavanagh, P. V., Westphal, F., Stratford, A., Elliott, S. P., Dowling, G. & Halberstadt, A. L., 1 Oct 2020, In: Drug Testing and Analysis. 12, 10, p. 1514-1521 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Return of the lysergamides. Part VI: Analytical and behavioural characterization of 1-cyclopropanoyl-d-lysergic acid diethylamide (1CP-LSD)

Brandt, S. D., Kavanagh, P. V., Westphal, F., Stratford, A., Odland, A. U., Klein, A. K., Dowling, G., Dempster, N. M., Wallach, J., Passie, T. & Halberstadt, A. L., 1 Jun 2020, In: Drug Testing and Analysis. 12, 6, p. 812-826 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

28 Citations (Scopus)

Syntheses and analytical characterizations of novel (2-aminopropyl)benzo[b]thiophene (APBT) based stimulants

Brandt, S. D., Carlino, L., Kavanagh, P. V., Westphal, F., Dreiseitel, W., Dowling, G., Baumann, M. H., Sitte, H. H. & Halberstadt, A. L., 1 Aug 2020, In: Drug Testing and Analysis. 12, 8, p. 1109-1125 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Citations (Scopus)

Tentative identification of the phase I and II metabolites of two synthetic cathinones, MDPHP and α-PBP, in human urine

Kavanagh, P., Gofenberg, M., Shevyrin, V., Dvorskaya, O., Dowling, G. & Grigoryev, A., 1 Oct 2020, In: Drug Testing and Analysis. 12, 10, p. 1442-1451 10 p.

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

2019

Return of the lysergamides. Part V: Analytical and behavioural characterization of 1-butanoyl-d-lysergic acid diethylamide (1B-LSD)

Brandt, S. D., Kavanagh, P. V., Westphal, F., Stratford, A., Elliott, S. P., Dowling, G., Wallach, J. & Halberstadt, A. L., Aug 2019, In: Drug Testing and Analysis. 11, 8, p. 1122-1133 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

39 Citations (Scopus)

Syntheses and analytical characterizations of the research chemical 1-[1-(2-fluorophenyl)-2-phenylethyl]pyrrolidine (fluorolintane) and five of its isomers

Dybek, M., Wallach, J., Kavanagh, P. V., Colestock, T., Filemban, N., Dowling, G., Westphal, F., Elliott, S. P., Adejare, A. & Brandt, S. D., Aug 2019, In: Drug Testing and Analysis. 11, 8, p. 1144-1161 18 p.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Citations (Scopus)

Tentative identification of the metabolites of (1-(cyclohexylmethyl)-1H-indol-3-yl)-(2,2,3,3-tetramethylcyclopropyl)methanone, and the product of its thermal degradation, by in vitro and in vivo methods

Grigoryev, A., Kavanagh, P., Labutin, A., Pechnikov, A., Dowling, G., Shevyrin, V. & Krupina, N., 1 Sep 2019, In: Drug Testing and Analysis. 11, 9, p. 1387-1402 16 p.

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

2018

An approach to shortening the timeframe between the emergence of new compounds on the drugs market and the availability of reference standards: The microscale syntheses of nitrazolam and clonazolam for use as reference materials, utilizing polymer-supported reagents

Dowling, G., Kavanagh, P. V., Eckhardt, H. G., Twamley, B., Hessman, G., McLaughlin, G., O'Brien, J. & Brandt, S. D., Jul 2018, In: Drug Testing and Analysis. 10, 7, p. 1198-1208 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Citations (Scopus)

Synthesis, analytical characterization, and monoamine transporter activity of the new psychoactive substance 4-methylphenmetrazine (4-MPM), with differentiation from its ortho- and meta- positional isomers

McLaughlin, G., Baumann, M. H., Kavanagh, P. V., Morris, N., Power, J. D., Dowling, G., Twamley, B., O'Brien, J., Hessman, G., Westphal, F., Walther, D. & Brandt, S. D., Sep 2018, In: Drug Testing and Analysis. 10, 9, p. 1404-1416 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Citations (Scopus)

2017

Analytical characterization and pharmacological evaluation of the new psychoactive substance 4-fluoromethylphenidate (4F-MPH) and differentiation between the (±)-threo and (±)-erythro diastereomers

McLaughlin, G., Morris, N., Kavanagh, P. V., Power, J. D., Dowling, G., Twamley, B., O'Brien, J., Hessman, G., Murphy, B., Walther, D., Partilla, J. S., Baumann, M. H. & Brandt, S. D., 1 Mar 2017, In: Drug Testing and Analysis. 9, 3, p. 347-357 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

15 Citations (Scopus)

Analytical characterization of N,N-diallyltryptamine (DALT) and 16 ring-substituted derivatives

Brandt, S. D., Kavanagh, P. V., Dowling, G., Talbot, B., Westphal, F., Meyer, M. R., Maurer, H. H. & Halberstadt, A. L., 1 Jan 2017, In: Drug Testing and Analysis. 9, 1, p. 115-126 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Citations (Scopus)

Forensic analysis of P2P derived amphetamine synthesis impurities: identification and characterization of indene by-products

Power, J. D., Kavanagh, P., McLaughlin, G., Dowling, G., Barry, M., O'Brien, J., Talbot, B., Twamley, B. & Brandt, S. D., 1 Mar 2017, In: Drug Testing and Analysis. 9, 3, p. 446-452 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

14 Citations (Scopus)

Outsmarted by nootropics? An investigation into the thermal degradation of modafinil, modafinic acid, adrafinil, CRL-40,940 and CRL-40,941 in the GC injector: formation of 1,1,2,2-tetraphenylethane and its tetra fluoro analog

Dowling, G., Kavanagh, P. V., Talbot, B., O’Brien, J., Hessman, G., McLaughlin, G., Twamley, B. & Brandt, S. D., 1 Mar 2017, In: Drug Testing and Analysis. 9, 3, p. 518-528 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Synthesis, characterization and monoamine transporter activity of the new psychoactive substance mexedrone and its N-methoxy positional isomer, N-methoxymephedrone

McLaughlin, G., Morris, N., Kavanagh, P. V., Power, J. D., Dowling, G., Twamley, B., O'Brien, J., Talbot, B., Walther, D., Partilla, J. S., Baumann, M. H. & Brandt, S. D., 1 Mar 2017, In: Drug Testing and Analysis. 9, 3, p. 358-368 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

23 Citations (Scopus)

Test purchase, synthesis and characterization of 3-fluorophenmetrazine (3-FPM) and differentiation from its ortho- and para-substituted isomers

McLaughlin, G., Morris, N., Kavanagh, P. V., Dowling, G., Power, J. D., Twamley, B., O'Brien, J., Talbot, B., Sitte, H. H. & Brandt, S. D., 1 Mar 2017, In: Drug Testing and Analysis. 9, 3, p. 369-377 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

12 Citations (Scopus)

‘APAAN in the neck’ – A reflection on some novel impurities found in seized materials containing amphetamine in Ireland during routine forensic analysis

Power, J. D., Kavanagh, P., McLaughlin, G., Barry, M., Dowling, G. & Brandt, S. D., Jul 2017, In: Drug Testing and Analysis. 9, 7, p. 966-976 11 p.

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

2016

The synthesis and characterization of the ‘research chemical’ N-(1-amino-3-methyl-1-oxobutan-2-yl)-1-(cyclohexylmethyl)-3-(4-fluorophenyl)-1H-pyrazole-5-carboxamide (3,5-AB-CHMFUPPYCA) and differentiation from its 5,3-regioisomer

McLaughlin, G., Morris, N., Kavanagh, P. V., Power, J. D., Twamley, B., O'Brien, J., Talbot, B., Dowling, G. & Brandt, S. D., 1 Sep 2016, In: Drug Testing and Analysis. 8, 9, p. 920-929 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Citations (Scopus)

2015

Identification and characterization of an imidazolium by-product formed during the synthesis of 4-methylmethcathinone (mephedrone)

Power, J. D., Kavanagh, P., Mclaughlin, G., O'Brien, J., Talbot, B., Barry, M., Twamley, B., Dowling, G. & Brandt, S. D., Oct 2015, In: Drug Testing and Analysis. 7, 10, p. 894-902 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Citations (Scopus)

Synthesis, characterization, and monoamine transporter activity of the new psychoactive substance 3',4'-methylenedioxy-4-methylaminorex (MDMAR)

Mclaughlin, G., Morris, N., Kavanagh, P. V., Power, J. D., Twamley, B., O'Brien, J., Talbot, B., Dowling, G., Mahony, O., Brandt, S. D., Patrick, J., Archer, R. P., Partilla, J. S. & Baumann, M. H., 1 Jul 2015, In: Drug Testing and Analysis. 7, 7, p. 555-564 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Citations (Scopus)

Test purchase, identification and synthesis of 2-amino-1-(4-bromo-2, 5-dimethoxyphenyl)ethan-1-one (bk-2C-B)

Power, J. D., Kavanagh, P., O'Brien, J., Barry, M., Twamley, B., Talbot, B., Dowling, G. & Brandt, S. D., 1 Jun 2015, In: Drug Testing and Analysis. 7, 6, p. 512-518 7 p.

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

2011

A method for CP 47, 497 a synthetic non-traditional cannabinoid in human urine using liquid chromatography tandem mass spectrometry

Dowling, G. & Regan, L., 1 Feb 2011, In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 879, 3-4, p. 253-259 7 p.

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Analytical strategy for the confirmatory analysis of the non-steroidal anti-inflammatory drugs firocoxib, propyphenazone, ramifenazone and piroxicam in bovine plasma by liquid chromatography tandem mass spectrometry

Dowling, G. & Malone, E., 10 Sep 2011, In: Journal of Pharmaceutical and Biomedical Analysis. 56, 2, p. 359-365 7 p.

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

A new mixed mode solid phase extraction strategy for opioids, cocaines, amphetamines and adulterants in human blood with hybrid liquid chromatography tandem mass spectrometry detection

Dowling, G. & Regan, L., 5 Apr 2011, In: Journal of Pharmaceutical and Biomedical Analysis. 54, 5, p. 1136-1145 10 p.

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

2010

A hybrid liquid chromatography-mass spectrometry strategy in a forensic laboratory for opioid, cocaine and amphetamine classes in human urine using a hybrid linear ion trap-triple quadrupole mass spectrometer

Dowling, G., Regan, L., Tierney, J. & Nangle, M., 29 Oct 2010, In: Journal of Chromatography A. 1217, 44, p. 6857-6866 10 p.

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Analytical strategy for the determination of non-steroidal anti-inflammatory drugs in plasma and improved analytical strategy for the determination of authorised and non-authorised non-steroidal anti-inflammatory drugs in milk by LC-MS/MS

Dowling, G., Malone, E., Harbison, T. & Martin, S., Jul 2010, In: Food Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment. 27, 7, p. 962-982 21 p.

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Confirmatory analysis of non-steroidal anti-inflammatory drugs in bovine milk by high-performance liquid chromatography with fluorescence detection

Gallo, P., Fabbrocino, S., Dowling, G., Salini, M., Fiori, M., Perretta, G. & Serpe, L., Apr 2010, In: Journal of Chromatography A. 1217, 17, p. 2832-2839 8 p.

Research output: Contribution to journal › Article › peer-review

65 Citations (Scopus)

2009

Confirmatory analysis of firocoxib in bovine milk by rapid resolution liquid chromatography tandem mass spectrometry

Dowling, G., Gallo, P. & Regan, L., 15 Feb 2009, In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 877, 5-6, p. 541-546 6 p.

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Confirmatory method for the determination of various acetylgestagens in animal kidney fat using liquid chromatography-tandem mass spectrometry

Malone, E., Dowling, G., Elliott, C., Kennedy, G. & Regan, L., 2009, In: Food Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment. 26, 5, p. 672-682 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Citations (Scopus)

Development of a rapid, multi-class method for the confirmatory analysis of anti-inflammatory drugs in bovine milk using liquid chromatography tandem mass spectrometry

Malone, E. M., Dowling, G., Elliott, C. T., Kennedy, D. G. & Regan, L., 13 Nov 2009, In: Journal of Chromatography A. 1216, 46, p. 8132-8140 9 p.

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Rapid confirmatory analysis of non-steroidal anti-inflammatory drugs in bovine milk by rapid resolution liquid chromatography tandem mass spectrometry

Dowling, G., Gallo, P., Malone, E. & Regan, L., 13 Nov 2009, In: Journal of Chromatography A. 1216, 46, p. 8117-8131 15 p.

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

2008

Determination of ibuprofen, ketoprofen, diclofenac and phenylbutazone in bovine milk by gas chromatography-tandem mass spectrometry

Dowling, G., Gallo, P., Fabbrocino, S., Serpe, L. & Regan, L., Dec 2008, In: Food Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment. 25, 12, p. 1497-1508 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

55 Citations (Scopus)

2007

Confirmatory analysis of malachite green, leucomalachite green, crystal violet and leucocrystal violet in salmon by liquid chromatography-tandem mass spectrometry

Dowling, G., Mulder, P. P. J., Duffy, C., Regan, L. & Smyth, M. R., 14 Mar 2007, In: Analytica Chimica Acta. 586, 1-2 SPEC. ISS., p. 411-419 9 p.

Research output: Contribution to journal › Article › peer-review

114 Citations (Scopus)

Review of methodology for the determination of benzimidazole residues in biological matrices

Danaher, M., De Ruyck, H., Crooks, S. R. H., Dowling, G. & O'Keeffe, M., 1 Jan 2007, In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 845, 1, p. 1-37 37 p.

Research output: Contribution to journal › Review article › peer-review

183 Citations (Scopus)

2005

Determination of robenidine in eggs by liquid chromatography with UV spectrophotometric detection

Dowling, G., O'Keeffe, M. & Smyth, M. R., 10 May 2005, In: Analytica Chimica Acta. 539, 1-2, p. 31-34 4 p.

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Multi-residue method for the determination of benzimidazoles in bovine liver

Dowling, G., Cantwell, H., O'Keeffe, M. & Smyth, M. R., 24 Jan 2005, In: Analytica Chimica Acta. 529, 1-2 SPEC. ISS., p. 285-292 8 p.

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Geraldine Dowling, SFHEA

Research output

Search results