Magnetic beta cyclodextrin molecularly imprinted polymer for selective extraction of perfluorooctanoic acid from water.

ABSTRACT: The association of PFOA with low concentrations and complex water matrices has made its direct quantification using sensitive analytical methods such as UHPLC-ESI-MS/MS challenging. This study used a magnetic beta-cyclodextrin-based molecularly imprinted polymer (TWAC-Fe₃O₄@β-CD-MIP) prepared via surface imprinting on magnetic tea waste activated carbon (TWAC-Fe₃O₄). Under optimal conditions, the method exhibited a linear range (17-5000 ng/L, R² = 0.9990) in real water, with LOD and LOQ of 8.6 ng/L and 29 ng/L, respectively. Precision was high, with intraday and interday %RSD of 2.1% and 3.7%. The adsorbent was reusable for three cycles while maintaining over 60% recovery. Spike recoveries in water samples ranged from 102 to 106% with

SUBMITTER: Malatji N 

PROVIDER: S-EPMC12432462 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature