This work presents a potentiometric approach for the detection of two cathinone derivatives, namely mephedrone (4‐MMC) and clephedrone (4‐CMC). Contrary to neutral‐carriers (dibenzo‐18‐crown‐6‐ether and calix[4]arene), cation‐exchanger (tetraphenylborate sodium) as active component of ion‐selective membrane showed near‐Nernstian response (+47 mV/decade from 1.7 ⋅ 10−6 to 5.6 ⋅ 10−4 mol l−1) and selectivity for 4‐MMC in oral fluids (OF). The agreement between the quantitative results obtained with the potentiometric approach and the HPLC/MS‐MS method determination of 4‐MMC in OF shows the potential of the proposed potentiometric approach for forensic analysis.
After cannabis, the most commonly used illicit substance worldwide is amphetamine and its derivatives, such as methamphetamine, with an ever-increasing number of synthetic modifications. Thus, fast and reliable methods are...
Methoxphenidine was originally patented for its properties to treat neurotoxic injury. However, due to the side effects, it failed to become pharmaceutic and later reappeared on the black market among...
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