Acetonitrile-driven interface force field reconstruction of HLB-SPME: insight into the pesticide adsorption mechanism based on energy lattice point models

Key Points

• This research investigates how acetonitrile affects the solid-liquid interface in high-performance liquid-based sampling methods.
• Analyzed the effects of acetonitrile on the solid-liquid interface properties.
• Examined changes in interface polarity, structure, and diffusion pathways.
• Utilized energy lattice point models to assess adsorption mechanisms.
• Demonstrated that acetonitrile influences interfacial polarity and construction.
• Identified four primary effects on the solid-liquid interface's structure and dynamics.
• Showed improved pesticide adsorption efficiency through optimized pathways.