List of Articles Nano-Fe3O4 Open Access Article Abstract Page Full-Text 1 - Cross-linked sulfonated polyacrylamide (Cross-PAA-SO3H) attached to nano-Fe3O4 as a superior catalyst for the synthesis of oxindoles Hossein Shahbazi-Alavi Javad Safaei-Ghomi 10.22034/jna.2019.668029 Open Access Article Abstract Page Full-Text 2 - One-pot sonochemical synthesis of benzopyranophenazines using nano Fe3O4@ PAA-SO3H Javad Safaei-Ghomi Maryam Tavazo Hossein Shahbazi-Alavi Open Access Article Abstract Page Full-Text 3 - Novel nanomagnetic material with dimethylamino tag: a selective and recyclable catalyst for the reaction of malononitrile, aryl aldehydes and dimedone Aysoda Ghobadpoor Mohammad Mehdi Eskandari Abdolkarim Zare Mostafa Karami