List of Articles PACS Open Access Article Abstract Page Full-Text 1 - Analytical study of radionuclide concentration and radon exhalation rate in market available building materials of Ramsar Elham Bavarnegin Masoud Vahabi-moghaddam Asad Babakhani Nasrin Fathabadi 10.1186/2251-7235-6-5 Open Access Article Abstract Page Full-Text 2 - Gradient effects on dust lattice waves in paramagnetic dusty plasma crystals Mehran Shahmansouri 10.1186/2251-7235-6-2 Open Access Article Abstract Page Full-Text 3 - Williamson-Hall analysis in estimation of lattice strain in nanometer-sized ZnO particles VD Mote Y Purushotham BN Dole 10.1186/2251-7235-6-6 Open Access Article Abstract Page Full-Text 4 - Nanoscale effects on multichannel add/drop filter based on 2-D photonic crystal ring-resonator heterostructure Hamed Pezeshki Vahid Ahmadi 10.1186/2251-7235-6-12 Open Access Article Abstract Page Full-Text 5 - Density functional investigation of structures and energetics of pure and Sn-doped small lithium clusters Masoud Ansarino Shahab Zorriasatein 10.1186/2251-7235-6-18 Open Access Article Abstract Page Full-Text 6 - On the discrete dipole approximation investigation of the extinction spectra of Ag/glass nano-flower thin film with threefold symmetry Fatemeh Abdi Araz Siabi-Gerjan Hadi Savaloni 10.1186/2251-7235-6-4 Open Access Article Abstract Page Full-Text 7 - Measuring librarians and users’ satisfaction with interface of Simorgh (Library software) at Central Library of Astan Quds Razavi and analyzing its elements and features Mohammad Reza Hosseyni abineh ee iraj radad Open Access Article Abstract Page Full-Text 8 - Evaluation of searching environments in online catalogues of Iranian medical universities and presenting guidelines for designing them alireza rahimi roghaye ghazavi Hakimeh Pasandideh-Khoo nahid mirzaie