Interfacial microdomain engineering using Zn-halloysite nanotubes for advanced electrochemical sensing of nitrite in food matrices - Arunkumar Selvam; Esakkimuthu Shanmugasundaram; Sathish Marimuthu; Balakrishnan Thangavelu; Chih-Yu Kuo; Mani Govindasamy; Mohamed A. Habila (Analytica Chimica Acta, 2026)