Items where Author is "Mewis, Ryan E"

Griffiths, Emily F, Dixon, Jay A, Caffyn, Andrew J M, Langley, Stuart K, Maciá, Beatriz ORCID: https://orcid.org/0000-0001-5148-0516, Caprio, Vittorio ORCID: https://orcid.org/0000-0002-9752-6513 and Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505 (2025) Determination of the pK a Value of a Brønsted Acid by 19 F NMR Spectroscopy. Magnetic Resonance in Chemistry, 63 (1). pp. 17-23. ISSN 0749-1581

Equbal, Asif and Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505 (2024) Hyperpolarisation techniques. In: Nuclear Magnetic Resonance: Volume 50. SPR - Nuclear Magnetic Resonance . Royal Society of Chemistry, Cambridge, pp. 157-185. ISBN 9781837675500 (hardback); 9781837675630 (ebook); 9781837675647 (ebook)

(2024) Characterization of new psychoactive substances using high resolution mass spectrometry structural assignment software. In: 72nd ASMS Conference on Mass Spectrometry and Allied Topics, 2 June 2024 - 6 June 2024, Anaheim, California, United States of America.

(2023) Synthesis, characterisation and quantification of the new psychoactive substance 1-(1,3-benzodioxol-5-yl)-2-(propylamino)butan-1-one (bk-PBDB, putylone). Forensic Chemistry, 35. p. 100523. ISSN 2468-1709

(2023) Detection, discrimination and quantification of amphetamine, cathinone and nor-ephedrine regioisomers using benchtop 1H and 19F NMR spectroscopy. Magnetic Resonance in Chemistry (MRC), 61 (2). pp. 73-82. ISSN 0749-1581

Sutcliffe, Oliver B ORCID: https://orcid.org/0000-0003-3781-7754, Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505, Kemsley, E Kate and Williamson, David C (2022) 3,4-Methylenedioxymethamphetamine quantification via benchtop 1H qNMR spectroscopy: method validation and its application to ecstasy tablets collected at music festivals. Journal of Pharmaceutical and Biomedical Analysis, 221. p. 115042. ISSN 0731-7085

Wilcock, Alexander T M and Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505 (2022) Hyperpolarisation Techniques. In: Nuclear Magnetic Resonance: Volume 48. SPR - Nuclear Magnetic Resonance . Royal Society of Chemistry, Cambridge, pp. 181-288. ISBN 9781839167065 (hardback); 9781839167690 (ebook); 9781839167706

(2022) Comparative study of the analysis of seized samples by GC-MS, 1H NMR and FT-IR spectroscopy within a Night-Time Economy (NTE) setting. Journal of Phamaceutical and Biomedical Analysis, 219. p. 114950. ISSN 0731-7085

(2022) Guilty by Dissociation: Part A: Development of a rapid Ultra-High Performance Liquid Chromatography (UHPLC)-MS/MS methodology for the analysis of regioisomeric diphenidine-derived Novel Psychoactive Substances (NPS). Journal of Pharmaceutical and Biomedical Analysis, 216. p. 114798. ISSN 0731-7085

Cochrane, Graeme, Field, Jennifer K, Hulme, Matthew C, Gilbert, Nicolas, Mewis, Ryan E, Euerby, Melvin R and Sutcliffe, Oliver ORCID: https://orcid.org/0000-0003-3781-7754 (2022) Guilty by Dissociation: Part B: Evaluation of Supercritical Fluid Chromatography (SFC-UV) for the analysis of regioisomeric diphenidine-derived Novel Psychoactive Substances (NPS). Journal of Pharmaceutical and Biomedical Analysis, 216. p. 114797. ISSN 0731-7085

Robertson, Thomas BR, Clarke, Leon J and Mewis, Ryan E (2022) Rapid SABRE Catalyst Scavenging Using Functionalized Silicas. Molecules, 27 (2). p. 332. ISSN 1420-3049

(2021) Synthesis, characterisation, detection and quantification of a novel hexyl-substituted synthetic cannabinoid receptor agonist: (S)-N-(1-amino-3,3-dimethyl-1-oxobutan-2-yl)-1-hexyl-1H-indazole-3-carboxamide (ADB-HINACA). Forensic Chemistry, 26. p. 100354. ISSN 2468-1709

Mewis, Ryan E (2021) Signal amplification by reversible exchange (SABRE). Magnetic Resonance in Chemistry, 59 (12). pp. 1175-1176. ISSN 0749-1581

Gilbert, Nicolas, Mewis, Ryan E and Sutcliffe, Oliver B (2021) Fast & Fluorinated – Development and validation of a rapid benchtop NMR approach and other routine screening methods for the detection and quantification of synthesised fluorofentanyl derivatives. Forensic Chemistry, 23. p. 100321. ISSN 2468-1709

Gilbert, Nicolas, Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505 and Sutcliffe, Oliver B ORCID: https://orcid.org/0000-0003-3781-7754 (2020) Classification of fentanyl analogues through principal component analysis (PCA) and hierarchical clustering of GC–MS data. Forensic Chemistry, 21. ISSN 2468-1709

Tennant, Thomas, Hulme, Matthew C, Robertson, Thomas BR, Sutcliffe, Oliver B ORCID: https://orcid.org/0000-0003-3781-7754 and Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505 (2020) Benchtop NMR analysis of piperazine-based drugs hyperpolarised by SABRE. Magnetic resonance in chemistry : MRC, 58 (12). pp. 1151-1159. ISSN 0749-1581

Hussain, J Hena, Gilbert, Nicolas, Costello, Andrew, Schofield, Christopher J, Kemsley, E Kate, Sutcliffe, Oliver B and Mewis, Ryan E (2020) Quantification of MDMA in seized tablets using benchtop 1H NMR spectroscopy in the absence of internal standards. Forensic Chemistry, 20. p. 100263. ISSN 2468-1709

Sutcliffe, Oliver B and Mewis, Ryan E (2020) Nuclear Magnetic Resonance Spectroscopy. In: Clarke’s Analysis of Drugs and Poisons. Pharmaceutical Press. ISBN 978 0 85369 711 4

Morgan, Benjamin G, Warren, Paul, Mewis, Ryan E ORCID: https://orcid.org/0000-0002-3756-6505 and Rivett, Damian W (2020) Bacterial dominance is due to effective utilisation of secondary metabolites produced by competitors. Scientific Reports, 10 (1). p. 2316. ISSN 2045-2322

Mewis, Ryan E and Archibald, Stephen J (2019) Side-bridged cyclam transition metal complexes bearing a phenolic ether or a phenolate pendent arm. Polyhedron, 171. pp. 578-589. ISSN 0277-5387

(2019) Quick Test for Determination of N-Bombs (Phenethylamine Derivatives, NBOMe) Using High-Performance Liquid Chromatography: A Comparison between Photodiode Array and Amperometric Detection. ACS Omega, 4. pp. 14439-14450. ISSN 2470-1343

(2019) Rapid Identification of Novel Psychoactive and Other Controlled Substances Using Low-Field 1H NMR Spectroscopy. ACS Omega, 4 (4). pp. 7103-7112. ISSN 2470-1343