List of Articles Neda Khorshidi Article 1 - Spectrophotometric Determination of Mefenamic Acid in Biological Samples Using Magnetic Iron Oxide Nanoparticles as a Sorbent for Solid Phase Extraction 10.22034/jna.2015.02.002 Ali Niazi Mahtab D. Torkman Neda Khorshidi Journal of Nanoanalysis , Issue 4 , Year , Spring 2015 Article 2 - Simultaneous spectrophotometric determination of ampicillin and penicillin in human plasma using multivariate calibration Ali Niazi Elham Janforozadeh Tahereh Momeni-Isfahani Neda Khorshidi Journal of the Iranian Chemical Research , Issue 1 , Year , Winter 2012