Robust HPLC-MS/MS quantification of N-acyl homoserine lactones (AHLs) in biomass-associated solid matrices reveals their aqueous–solid distribution in wastewater treatment systems - Xinhao Xu; Xuejun Bi; Hui Zhang; Boyan Xu; Xueqing Shi; Haifeng Zhang; Lihua Cheng; Xiaolin Zhou; Tang Yang; Kibaek Lee; Shujuan Huang; How Yong Ng (Water Research, 2026)