ArticleSe pu = Chinese journal of chromatography2026
[Determination of 65 synthetic cannabinoids in whole blood by QuEChERS-ultra performance liquid chromatography- mass spectrometry].
Article in Se pu = Chinese journal of chromatography, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Synthetic cannabinoids （SCs） have become the most diverse and widely abused class of new psychoactive substances in the world. Blood and urine are classic sample matrices for in vivo toxin analysis， but some SCs have high lipophilicity， and the concentration of parent drugs in urine is extremely low， making them difficult to detect. Metabolites need to be investigated， and SCs with similar structures can produce the same metabolites. Therefore， establishing urine detection methods and interpreting results are relatively complex. In contrast， the detection of synthetic cannabinoid parent drugs in blood is more straightforward， and detecting parent drugs in blood can serve as direct evidence in legal cases. In order to detect the abuse of SCs， a QuEChERS-ultra performance liquid chromatography-tandem mass spectrometry （UPLC-MS/MS） method was developed to simultaneously determine 65 SCs in blood. The sample preparation and detection conditions were optimized. Quantification was achieved using an internal standard and matrix-matched calibration curves， enabling rapid screening and quantitative analysis of the 65 SCs in blood. Following protein precipitation with acetonitrile， the blood extract was further extracted and purified using QuEChERS reagents. Chromatographic separation of all 65 SCs was performed on a Waters Acquity UPLC HSS T
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