List of Articles Open Access Article Abstract Page Full-Text 1 - Graphene, Amazing Nano Material Made of Carbon Atoms Open Access Article Abstract Page Full-Text 2 - A 0.4 V Low Frequency Voltage-Controlled Ring Oscillator Using DTMOS Technique Saber Izadpanah tous Ensieh Asghari Reza Pourandoost Behrooz Razeghi Open Access Article Abstract Page Full-Text 3 - Synchronization New Chaotic System Using Optimal Nonlinear Controller Ali Askar Eslampanah Omid Aghababai Sadegh Rahmati Open Access Article Abstract Page Full-Text 4 - Design Tunable Optical Thin Film Fabry-Perot Filter In Dense Wavelength Division Multiplexer Vahideh Khadem Hosseini Ghasemi Open Access Article Abstract Page Full-Text 5 - A 0.4V, 790µW CMOS low noise amplifier in sub-threshold region at 1.5GHz Amin Zafarian Iraj Kalali Fard Abbas Golmakani Jalil Shirazi Open Access Article Abstract Page Full-Text 6 - Design of 0.4 V operational amplifier using low-power techniques Saber Izadpanah tous Mahmoud Behroozi Vahid Asadpoor Open Access Article Abstract Page Full-Text 7 - Comparative study of Raman Properties of Various Lead Sulfide Morphologies Mohsen Cheraghizade Ramin Yousefi Farid Jamali-Sheini