Mengliang Zhang

April 16, 2026

Avoiding False Identification of 7‑Hydroxymitragynine in Kratom Products Using a Multicriteria LC–MS Confirmation

Abstract Kratom (Mitragyna speciosa) products have become widely available in diverse commercial formulations, raising increasing analytical and regulatory interest due…

January 26, 2026

Matrix-Tolerant Quantification of THC and THCA in Complex Cannabis Products Using In-Sample Calibration with Multiple Isotopologue Reaction Monitoring

Abstract Accurate quantification of Δ9-tetrahydrocannabinol (THC) and Δ9-tetrahydrocannabinolic acid (THCA) across diverse cannabis- and hemp-derived products remains challenging due to…