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Craig E Banks

2 papers in the library · 12 citations · publishing 2016-2025

Papers

Additively manufactured ready-to-use platform using conductive recycled PLA for ketamine sensing.

Mikrochimica acta January 9, 2025 Maria M C Souza, Raquel G Rocha, Gilvana P Siqueira et al. 12 citations

A 3D-printed electrode made from recycled plastic, graphite, and carbon black detects the drug ketamine in beverages faster and more sensitively than a commercial 3D-printed electrode. After a simple polishing step, the recycled-material electrode showed better electrical performance: a peak-to-peak separation of 130 mV versus 759 mV, lower charge transfer resistance (1.04 kΩ vs. 9.62 kΩ), and a higher heterogeneous rate constant. It detected ketamine across a concentration range of 10 to 250 μmol L-1 with a sensitivity of 0.024 μA μmol L-1 and a detection limit of 0.7 μmol L-1. Recovery rates in spiked drinks (wine, beer, water, vodka) ranged from 82% to 115%.

DOI: 10.1007/s00604-024-06902-3 (opens in new tab) Full text (opens in new tab) Beverage samples Circular economy Date rape drug Differential pulse voltammetry +8

Guilty by dissociation-development of gas chromatography-mass spectrometry (GC-MS) and other rapid screening methods for the analysis of 13 diphenidine-derived new psychoactive substances (NPSs).

Analytical and Bioanalytical Chemistry November 1, 2016 Pierre M Geyer, Matthew C Hulme, Joseph P B Irving et al.

A validated gas chromatography-mass spectrometry (GC-MS) method provides both screening and quantification of 13 diphenidine derivatives in seized solid samples, whether pure or mixed with common adulterants. The work addresses the rising forensic and analytical challenges posed by new psychoactive substances (NPSs) by offering a rapid, robust testing methodology. Techniques include presumptive testing, thin layer chromatography, and GC-MS, with the latter offering first-time general screening and quantification for these compounds in casework.

DOI: 10.1007/s00216-016-9969-y (opens in new tab) Full text (opens in new tab) Characterisation nmr, ft-ir Diphenidine Gc–ms Methoxphenidine +2