List of Articles Heterogeneous nanocatalyst Open Access Article Abstract Page Full-Text 1 - CoII immobilized on aminated Fe3O4@ cellulose nanofibers (Fe3O4@cellulose nanofibers-NH2-CoII NPs): a novel, bio-based and efficient heterogeneous magnetic nanocatalyst for the synthesis of benzimidazole derivatives Mehri Salimi Maasoumeh Jafarpour Susan Yazdani Shavakand Fahimeh Feizpour Open Access Article Abstract Page Full-Text 2 - Hydrophobic sulfonated iron oxide: A new magnetically recyclable heterogeneous nanocatalyst for the efficient one-pot four-component synthesis of hexahydroquinolines Sara Sobhani Taktom Yari Roya Jahanshahi Open Access Article Abstract Page Full-Text 3 - A novel and eco-friendly o-phenylendiamine stabilized on silica-coated magnetic nanocatalyst for the synthesis of indenoquinoline derivatives under ultrasonic-assisted solvent-free conditions Ali Maleki Reza Ghalavand Razieh Firouzi-Haji