Volume 17 (2023)
Volume 16 (2022)
Volume 15 (2021)
Volume 14 (2020)
Volume 13 (2019)
Volume 12 (2018)
Volume 11 (2017)
Volume 10 (2016)
Volume 9 (2015)
Volume 8 (2014)
Volume 7 (2013)
Volume 6 (2012)
Volume 5 (2011)
Volume 4 (2010)
Volume 3 (2009)
Volume 2 (2008)
Volume 1 (2007)
Volume -2 (2005)
Volume -1 (2004)
Biomedical Image Processing / Medical Image Processing
Detecting Dependency Structure of the Brain Motor Network in Resting State fMRI data of Parkinson Disease using Copulas

Mahdie Ghasemi; Ali Mahloojifar; Mehdi Omidi

Volume 8, Issue 3 , September 2014, , Pages 261-275

  Functional changes in the brain motor network are responsible for the major clinical features of Parkinson’s disease (PD). Recent studies on investigation of the brain function show that there are spontaneous fluctuations between regions at rest as resting state network affected in various disorders. ...  Read More

Magnetic resonance simulation of nanoparticles on homogeneous tissue in the presence of external magnetic field

Sahar Rezaei; Nader Riahi Alam

Volume 8, Issue 2 , June 2014, , Pages 151-158

  Detection of tumors at an early stage is important for the diagnosis of cancer. Therefore, to detect cancer cells it is necessary to distinguish between metastases from normal cells at an early stage. Due to the large size and coverage necessary to prevent chemical reactions of the current contrast agents ...  Read More

Magnetically treated water Application for Improving Maize (Zea mays L.) Growth

Somayye Mohamadalikhani; Faeze Ghanati; Maryam Soleimani; Hasan Zare Maivan; Abazar Hajnorouzi

Volume 8, Issue 2 , June 2014, , Pages 173-181

  Water molecules can be affected by magnetic fields due to their bipolar characteristics. In the present study an experimental maize field was irrigated with magnetically treated water. Tap water was passed through a locally designed alternative magnetic field generating apparatus (110 mT). The maize ...  Read More

A Combined Wavelet Based Mesh Free-Finite Element Method for Solving the Forward Problem in Magnetic Induction Tomography

Mohammad Reza Yousefi; Reza Jafari; Hamid Abrishami Moghaddam

Volume 8, Issue 1 , March 2014, , Pages 69-86

  In this paper, a combined wavelet based mesh free method has been presented to solve the forward problem in magnetic induction tomography (MIT). Being a non-contact safe imaging technique, MIT has been an appropriate method for noninvasive industrial and medical imaging. In this imaging method, a primary ...  Read More

Biomedical Image Processing / Medical Image Processing
Designing and Optimization of Continuous Electromagnetic RF Pulses for Studying CEST MRI by Numerical Solution to the Bloch-McConnell Equations

Mohammad Reza Rezaeian; Gholam Ali Hossein-Zadeh; Hamid Soltanian Zadeh

Volume 8, Issue 1 , March 2014, , Pages 87-99

  Chemical exchange saturation transfer (CEST) is a new mechanism of contrast generation in magnetic resonance imaging (MRI) which differentiates molecule biomarkers via chemical shift. CEST MRI contrast mechanism is very complex and depends on radio frequency (RF) power and RF pulse shape. Two approaches ...  Read More

Biomedical Image Processing / Medical Image Processing
Semi-automatic segmentation and analysis of GBM brain tumors in magnetic resonance images

Neda Behzadfar; Hamid Soltanian Zadeh

Volume 7, Issue 3 , June 2013, , Pages 219-236

  Segmentation of tumors in magnetic resonance images is an important task. However, it is quite time consuming and has low accuracy and reproducibility when performed manually. Automating the process is challenging, due to high diversity in appearance of tumor tissue in different patients and in many ...  Read More

Biomedical Image Processing / Medical Image Processing
Interpolation of Orientation Distribution Functions (ODFs) in High Angular Resolution Diffusion Imaging

Maryam Afzali; Emadoddin Fatemizadeh; Hamid Soltanian Zadeh

Volume 7, Issue 1 , June 2013, , Pages 57-64

  Diffusion tensor magnetic resonance imaging (DTMRI) is a non-invasive method for investigating the brain white matter structure. It can be used to evaluate fiber bundles in the brain but in the regions with crossing fibers, it fails. To resolve this problem, high angular resolution diffusion imaging ...  Read More

Investigating the impacts of Static Magnetic Field on cell viability and Cell Cycle Progression in Human Mesenchymal Stem cells

Maryam Sadri; Parviz Abdolmaleki; Saeed Abroun; Bahare Beiki; Fazel Samani

Volume 6, Issue 2 , June 2012, , Pages 91-98

  The Mesenchymal Stem cells derived from human newborn cords were cultured and exposed to a 24mT Static magnetic field for 24 hours. The viability percentage and the cell cycle progression was then investigated in exposed samples and the obtained results was compared with the control samples. The results ...  Read More

Protective effects of saffron extract against consolidation Impairment memory induced by magnetic field in rats

Samane Sedighi; Keyvan Keramati; Ali Safari-Varyani; Ahmad Nikpey

Volume 6, Issue 2 , June 2012, , Pages 99-106

  Exposure to magnetic fields can effect on the learning and memory. The protective effect of saffron extract on memory consolidation disorders in rats exposed to magnetic fields was investigated. 120 male Wistar rats in 12 groups exposed to magnetic field For 5 days with intensity 2.5 tesla for 1, 3 and ...  Read More

The Effect of Extremely Low Frequency Pulsed Electromagnetic Field on anxiety and cortisol level in rat

Susan Kohzad; Bahram Bolouri; Farnaz Nikbakht; Zahra Kohzad

Volume 6, Issue 2 , June 2012, , Pages 107-111

  There is a growing public concern that the extremely low frequency (ELF) range of the environmental electromagnetic fields may have adverse biological effects. In this frequency range, 217Hz is the modulating signal being used in Global System of Mobile. This study investigated the possible effects of ...  Read More

Genetic Engineering / Genetic Modification / Genetic Manioulation
Stimulation of Taxol Production by Magnetic Field in Cell Culture of Hazel (CorylusavellanaL.)

Ayatollah Rezaei; Faeze Ghanati; Mehrdad Behmanesh

Volume 6, Issue 2 , June 2012, , Pages 113-122

  In this study cell growth, some physiological parameters, production of Taxol and gene expression in cell culture of hazel under effect of the magnetic field were investigated. Cells in suspension culture were treated by a 30 mT static magnetic field on days 8-11 after subculture and 4 hours each day. ...  Read More

The effect of ELF Magnetic fields on Nonlinear features of Helix Aspersa’s Neurons

Hadi Tavakoli; Ali Motie Nasrabadi; Seyed Mohammad Firouzabadi; Mehri Kaviyani Moghaddam

Volume 6, Issue 2 , June 2012, , Pages 123-131

  During recent years, the environment has been enormously changed by the wide range of magnetic fields. Therefore, comprehensive studies are being done for investigating their biological effects. The effects such as inhibition of bioelectric activity of neurons which is shown by evidence, like decreasing ...  Read More

A Novel Approach to Computing Induced Electric Fields in Biological Structures Based on Sequences of Transfer Functions

Mehrdad Saviz; Sina Shirinpour; Ashkan Abedi; Reza Faraji-Dana

Volume 6, Issue 2 , June 2012, , Pages 133-140

  We introduce a new computational approach which is capable of providing estimations of the electric field strength induced in biological bodies at large to ultra-fine scales. The method is theoretically based on multi-scale analysis and excitation of the smaller-scale models by the computed fields at ...  Read More

The effect of 15 and 30 militesla static magnetic field on the rat neuronal induced mesenchymal stem cell, cell cycle

Reza Masoomi Jahandizi; Parviz Abdolmaleki; Seyed Javad Mowla

Volume 5, Issue 2 , June 2011, , Pages 105-115

  The effect of 15 and 30 mT of static magnetic field on the cell cycle of neural inductive rat BMSC was evaluated. The BMSC was inductived by neural inductive medium (NIM). Duration of inductive and Exposure time were 2, 4 and 6 hours. The cells induction to neural inductive medium associated with SMF ...  Read More

Biomedical Image Processing / Medical Image Processing
Estimation Of Tissue Damage Using Exchange Rate Constant In Magnetic Resonance Imaging

Effat Yahaghi; Yashar Nohi; Amir Movafeghi; Hamid Soltanian Zadeh

Volume 4, Issue 1 , June 2010, , Pages 1-11

  Magnetic resonance imaging (MRI) is a non-ionizing method for identification and evaluation of soft tissue lesions. Perfusion MRI evaluates soft tissues by measuring changes in magnetization of water molecules due to a contrast agent. To this end, concentration curves in the plasma and tissue are estimated ...  Read More

Tissue Engineering
Evaluation of Electromagnetic Radiations (1.5 Tesla) Effect on Liver Functional Tests and Histometery of Liver in Adult Male Rats

Jafar Ai; Saeed Sarkar; Mohammad Ali Oghabian

Volume 4, Issue 2 , June 2010, , Pages 161-166

  Various reviews have shown that strong electromagnetic fields have negative effects on human health. This study focused on the effect of MRI radiation on liver functional test histometery of liver in adult male rats. For this purpose, we used an MRI device that could produce 1.5 T electromagnetic radiations, ...  Read More

Biomedical Image Processing / Medical Image Processing
A survey of Neonatal Brain Atlases based on MR Images

Hamid Abrishami Moghaddam; Maryam Momeni; Kamran Kazemi; Reinhard Grebe; Fabrice Wallois

Volume 4, Issue 4 , June 2010, , Pages 337-360

  Diagnostic follow-up of the brain development during the neonatal period and childhood is an important clinical task. Any disturbance of this process can cause pathological deviations, especially if the baby is born premature. Recent advances in magnetic resonance imaging allow obtaining high-resolution ...  Read More

Tissue Engineering
Modeling of Magnetic Field Effect on Nanofiber Jet Path in Electrospinning for Fabricating Optimum Tissue Engineering Scaffolds

Fateme Shamsi; Mohsen Janmaleki; Nasser Fatouraee

Volume 3, Issue 4 , June 2009, , Pages 265-274

  In this study a mechanism was modeled to control the jet path of nanofibers produced by electrospinning through inducing a magnetic field over the jet path. Firstly, a model was developed for the jet path in which the fibers composed of a series of viscoelastic segments. Considering the mass and momentum ...  Read More

Cardiovascular Biomechanics
Determination Of Elastic Modulus Of Artery Wall By Modeling Of Artery Wall And Blood Flow

Mehdi Maerefat; Asghar Khoushkar Shalmani; Manije Mokhtari Dizaji

Volume 1, Issue 2 , June 2007, , Pages 95-104

  Modeling of blood flow and arterial wall in large arteries such as carotid artery, using ultrasonic measurements, allows non-invasive evaluation of clinically interesting homodynamic variables. In this study, a nonlinear mathematical model for the pulsatile arterial flow is proposed using the approximation ...  Read More

Biomedical Image Processing / Medical Image Processing
Parameter Identification Of A Nonlinear Model For The Hemodynamic System In Functional Magnetic Resonance Imaging

Seyed Mohammad Shams; Gholam Ali Hossein-Zadeh; Mohammad Mehdi Karimi

Volume 1, Issue 1 , June 2007, , Pages 29-37

  In order to analyze the functional Magnetic Resonance Imaging (fMRI) data, the parameters of a nonlinear model for the hemodynamic system, so called Balloon model, were characterized and estimated. Two different approaches were applied to estimate these parameters. In the first step of both approaches, ...  Read More