berberine chloride, solid phase extraction, Adsorbent, carbonized polymer, urine
berberine chloride, solid phase extraction, adsorbent, carbonized polymer, urine
Hydrogel, hydroxyethyl acrylamide, silica nanoparticles, Adsorption, kinetics, isotherms
Zwitterionic stationary phase, HILIC mode separation, Hydrophilic interaction, Electrostatic interactions, Disubstituted benzene isomers
Suspension polymerization, Core-shell microspheres, Hybrid particles, self-assembly, Surface modification.