Search Results - "Mehnati, Parinaz"

Use of bismuth shield for protection of superficial radiosensitive organs in patients undergoing computed tomography: a literature review and meta-analysis by Mehnati, Parinaz, Malekzadeh, Reza, Sooteh, Mohammad Yousefi

“…The study aimed to assess the effect of bismuth (Bi) shielding on dose reduction and image quality in computed tomography (CT) through a literature review. A…”
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Shielding performance of multi-metal nanoparticle composites for diagnostic radiology: an MCNPX and Geant4 study by Asadpour, Nikan, Malekzadeh, Reza, Rajabpour, Saeed, Refahi, Soheila, Mehnati, Parinaz, Shanei, Ahmad

“…Lead-free polymer composite shields are used in diagnostic radiology to protect patients from unnecessary radiation exposure. This study aimed to examine and…”
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Reduction of Radiation Risk to Cardiologists and Patients during Coronary Angiography: Effect of Exposure Angulation and Composite Shields by Malekzadeh, Reza, Tarighatnia, Ali, Mehnati, Parinaz, Nader, Nader D.

“…Purpose: This study aimed to design an improved form of a composite shield with different materials and shapes and simultaneously reduce the radiation dose to…”
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Removal of Fexofenadine and Montelukast Drugs from Aquatic Environment Using a Rhodotron Accelerator by Abouee Mehrizi, Omid, Ghadiri, Seid Kamal, Anvari, Fatemeh, Mehnati, Parinaz

“…Introduction: Nowadays, the management of drug effluents, as emerging pollutants, has attracted great attention due to human health and ecological adverse…”
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Influence of the size of nano- and microparticles and photon energy on mass attenuation coefficients of bismuth–silicon shields in diagnostic radiology by Malekzadeh, Reza, Mehnati, Parinaz, Sooteh, Mohammad Yousefi, Mesbahi, Asghar

“…Recent studies have shown that the particle size of the shielding material and photon energy has significant effects on the efficiency of radiation-shielding…”
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Application of personal non-lead nano-composite shields for radiation protection in diagnostic radiology: a systematic review and meta-analysis by Parinaz Mehnati, Reza Malekzadeh, Mohammad Yousefi Sooteh

“…composites with micro- and nano-metal fillers has attracted the attention of researchers for radiation shielding applications. Lead toxicity and heaviness have…”
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Bismuth-silicon and bismuth-polyurethane composite shields for breast protection in chest computed tomography examinations by Mehnati, Parinaz, Arash, Mehran, Akhlaghi, Parisa

“…The article aims at constructing protective composite shields for breasts in chest computed tomography and investigating the effects of applying these new…”
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Relation between Mammographic Parenchymal Patterns and Breast Cancer Risk: Considering BMI, Compressed Breast Thickness and Age of Women in Tabriz, Iran by Mehnati, Parinaz, Alizadeh, Hamed, Hoda, Haleh

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Predicting the Risk of Radiation Pneumonitis and Pulmonary Function Changes after Breast Cancer Radiotherapy by Mehnati, Parinaz, Ghorbanipoor, Maryam, Mohammadzadeh, Mohammad, Nasiri Motlagh, Behnam, Mesbahi, Asghar

“…Radiotherapy plays an important role in the treatment of breast cancer. In the process of radiotherapy, the underling lung tissue receives higher doses from…”
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Interpretation of in-air output ratio of wedged fields in different measurement conditions by Mehnati, Parinaz, Biglari, Farideh, Jomehzadeh, Ali

“…Background: The collimator scatter factor (Sc) is one of the most important parameters in monitor unit (MU) calculation. There are several factors that impact…”
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Synthesis and characterization of nano Bi2O3 for radiology shield by Parinaz Mehnati, Mohammad Yousefi Sooteh, Reza Malekzadeh, Baharak Divband

“…Objective (s): Recently, the use of nanoparticles in medicine has increased for radiation protection purpose. So the aim of this study was application of nano…”
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Application of near-infrared light intensity to determine normal and cancerous breast vessel contrast by gold nanoparticles by Parinaz Mehnati, Bahman Alipour, Roya Salehi

“…Objective(s): A novel technique for the early diagnosis of breast cancer involves the use of nanoparticles (NPs). The present study aimed to use gold NPs to…”
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Assessment of the efficiency of new bismuth composite shields in radiation dose decline to breast during chest CT by Mehnati, Parinaz, Malekzadeh, Reza, Yousefi Sooteh, Mohammad, Refahi, Soheila

“…Bismuth shield has been recently introduced for radiation protection of patient radiosensitive organs such as breast during chest CT with image diagnosis…”
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Comparative Efficacy of Four Imaging Instruments for Breast Cancer Screening by Mehnati, Parinaz, Tirtash, Maede Jafari

“…Sensitivity and specificity are the two most important indicators in selection of medical imaging devices for cancer screening. Breast images taken by…”
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Breast Conservation From Radiation Damage by Using Nano Bismuth Shields in Chest Computed Tomography Scan by Parinaz Mehnati, Mohammad Yousefi Sooteh, Reza Malekzadeh, Baharak Divband, Soheila Refahi

“…Objectives: The present study aimed to calculate the efficiency of bismuth nanoparticles shield to protect the breast in chest computed tomography (CT) scan…”
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Relation between Mammographic Parenchymal Patterns and Breast Cancer Risk: Considering BMI, Compressed Breast Thickness and Age of Women in Tabriz, Iran by Mehnati, Parinaz, Alizadeh, Hamed, Hoda, Haleh

“…Background: Mammographic density determined according paranchymal patterns is a risk factor for breast cancer and its relationships with body and other breast…”
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Estimation of absorbed dose of radiosensitive organs and effective sose in patients underwent abdominopelvic spiral CT scan using impact CT patient dosimetry by Ayoub Amirnia, Parinaz Mehnati, Nasrollah Jabbari

“…Background: Due to the presence of radiosensitive organs in the abdominopelvic region and increasing the number of requests for CT scan examinations, concerns…”
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Dosimetric properties of a flattening filter-free 6-MV photon beam: a Monte Carlo study by Mesbahi, Asghar, Mehnati, Parinaz, Keshtkar, Ahmad, Farajollahi, Alireza

“…The dosimetric features of an unflattened 6-MV photon beam of an Elekta SL-25 linac was calculated by the Monte Carlo (MC) method. The head of the Elekta SL-25…”
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Exploration of 'Over Kill Effect' of High-LET Ar- and Fe-ions by Evaluating the Fraction of Non-hit Cell and Interphase Death by Mehnati, Parinaz, Morimoto, Shigeko, Yatagai, Fumio, Furusawa, Yoshiya, Kobayashi, Yasuhiko, Wada, Seiichi, Kanai, Tatsuaki, Hanaoka, Fumio, Sasaki, Hiroshi

“…The reason why RBE for cell killing fell to less than unity (1.0) with very high-LET heavy-ions (40Ar： 1,640 keV/μm;56Fe： 780, 1,200, 2,000 keV/μm) was…”
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Precision individual dosimetry in Yttrium-90 transarterial radioembolization in the presence of Au nanoparticles by Talebi, Asra Sadat, Mehnati, Parinaz, Rajabi, Hossein, Rezaei, Hadi, Geramifar, Parham

“…Individual post-treatment dosimetry plays a crucial role in assessing the effectiveness of Y-90 transarterial radioembolization (TARE) treatment. Y-90 positron…”
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