List of Articles Open Access Article Abstract Page Full-Text 1 - DFT comparison of structural and electronic properties of (5, 0) zig-zag GaAs nanotube and (5, 0) zig-zag GaSb nanotube Monir Kamalian 10.22034/jna.2021.681543 Open Access Article Abstract Page Full-Text 2 - The effect of slope and number of arms on the structural properties of square tower-like manganese thin films Mahsa Fakharpour 10.22034/jna.2021.681544 Open Access Article Abstract Page Full-Text 3 - Macro-and micromechanical modelling of HA-Elastin scaffold fabricated using freeze drying technique Matin Mohammadzadeh Rad Saeed Saber-Samandari Mojtaba Sadighi Lobat Tayebi Mohammad Mohammadi Aghdam Amirsalar Khandan 10.22034/jna.2021.681545 Open Access Article Abstract Page Full-Text 4 - Investigation of removal efficiency of Cr (VI) from industrial wastewater using chitosan and synthesized chitosan nanoparticles arezou ghadi Soleiman Mahjoub Mohsen ziyari 10.22034/jna.2021.681546 Open Access Article Abstract Page Full-Text 5 - Experimental Investigation of Fe3O4-Chitosan Nanocomposite as a Nano-Demulsifier for Water in Crude Oil Separation Z. Hasanshahi P. Parvasi M. M. Zerafat Samad Sabbaghi 10.22034/jna.2021.681548 Open Access Article Abstract Page Full-Text 6 - Stress-strain behavior of two-layer graphene with different chirality Mohsen Motamedi A.H. Aghili 10.22034/jna.2021.681549 Open Access Article Abstract Page Full-Text 7 - Mechanical properties improvement and bone regeneration of calcium phosphate bone cement, Polymethyl methacrylate and glass ionomer Rezvan Fada Niusha Farhadi Babadi Reyhaneh Azimi Majid Karimian mohamad shahgholi 10.22034/jna.2021.681550 Open Access Article Abstract Page Full-Text 8 - Investigation of the stability of PEG stearate-coated Chitosan nanoparticles loaded with levothyroxine Elham Rostami 10.22034/jna.2021.681551