Gemini surfactant Gemini surfactants Alternating direction minimization Foam stability Micellization Salt effect Visco-elastic properties -dibenzenediol spacer Adsorption and micellization Aggregation Alkyl tail length effect Anal fistula Background/foreground separation Binary/hash code learning Bipartite graph Bolaform counterions Carboxylate gemini surfactants Cationic/anionic surfactant Cationic/anionic surfactants Diagnosis Dilatational modulus Dispersed particle size Dynamic configuration Electrostatic attractions Enthalpy-driven Enthalpy–entropy compensation Equi-charged mixture Face denoising Fumed silica gelation Gemini-type surfactants