نتایج جستجو برای: بطری های pet

تعداد نتایج: 531330  

ژورنال: علوم آب و خاک 2002
احمد کرباسی, , رقیه رمضانی, ,

In this research, sunflower oil that was extracted and refined at Shiraz Narges Oil Company was packed in four different containers, namely, clear PET (polyethylene terephtalate), yellow PET, yellow HDPE (high density polyethylene), and metal can. Samples were kept at ambient temperature in the shelf exposed to normal light for a period of 1 year. Peroxide values were determined at 45-day inter...

Arman Rahmim George Loudos Mohammad Reza Ay Mojtaba Shamsaie Zafarghandi Parham Geramifar,

  Combined PET/CT scanners now play a major role in medicine for in vivo imaging in oncology, cardiology, neurology, and psychiatry. As the performance of a scanner depends not only on the scintillating material but also on the scanner design, with regards to the advent of newer scanners, there is a need to optimize acquisition protocols as well as to compare scanner ...

احمد کرباسی, , رقیه رمضانی, ,

In this research, sunflower oil that was extracted and refined at Shiraz Narges Oil Company was packed in four different containers, namely, clear PET (polyethylene terephtalate), yellow PET, yellow HDPE (high density polyethylene), and metal can. Samples were kept at ambient temperature in the shelf exposed to normal light for a period of 1 year. Peroxide values were determined at 45-day inter...

ژورنال: :iranian journal of radiology 0
gulgun buyukdereli department of nuclear medicine, faculty of medicine, cukurova university, adana, turkey; department of nuclear medicine, faculty of medicine, cukurova university, ziyapasa bulvari, kurtulus mah, adana, turkey. tel: +90-5324305118, fax: +90-3224590581 yasemin aktar department of nuclear medicine, faculty of medicine, cukurova university, adana, turkey ertan kara department of public health, faculty of medicine, cukurova university, adana, turkey aysun uguz department of pathology, faculty of medicine, cukurova university, adana, turkey husnu sonmez department of general surgery, faculty of medicine, cukurova university, adana, turkey

conclusion the fdg pet/ct showed a high sensitivity and a high negative predictive value for identifying malignancies in thyroid nodules with indeterminate fnab results. therefore, the fdg pet/ct may be a helpful tool in the clinical management of these nodules. when an fdg positive lesion is detected, further examination is recommended. background thyroid nodules with indeterminate fine-needle...

2015
Xu Zhang Wei Fan Zhong-Jun Xia Ying-Ying Hu Xiao-Ping Lin Ya-Rui Zhang Zhi-Ming Li Pei-Yan Liang Yuan-Hua Li

Interim 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (I-PET/CT) is a powerful tool for monitoring the response to therapy in diffuse large B-cell lymphoma (DLBCL). This retrospective study aimed to determine when and how to use I-PET/CT in DLBCL. A total of 197 patients treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) w...

Journal: :basic and clinical cancer research 0
hamid ravaghi assistant professor, department of health service management, school of management and medical information services, tehran university of medical sciences, tehran, iran ali akbari sari assistant professor, department of health management and economics,school of public health, and knowledge utilization research center, tehran university of medical sciences, tehran, iran sima sarvari medical lecturer, medical college, shantou university, china mohammas reza mobinizadeh health technology assessment (hta) office, deputy of curative affairs, ministry of health and medical education, tehran, iran

background: positron emission tomography (pet) scan is a non-invasive, complicated and expensive medical imaging technology used for diagnosis and treatment of various diseases including cancers. this study aimed to evaluate the safety and effectiveness of this technology in iran. methods: the major medical electronic databases including cochrane library, google scholar, medline and iranmedex w...

2014
Jason Bini Philip M Robson Claudia Calgano Mootaz Eldib Zahi A Fayad

Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, NY, NY, USA Current MR/PET systems employ segmentation of MR images and subsequent assignment of empirical attenuation map values for quantitative PET reconstruction. In this current study we examine the quantitative differences between our carotid artery imaging protocol on both a PET/CT and an MR/PET scann...

Journal: :journal of fasting and health 0
elham dolat medical physics research center, mashhad university of medical sciences, mashhad, iran ameneh sazgarnia medical physics research center, mashhad university of medical sciences, mashhad, iran

as a nuclear approach, positron emission tomography (pet) is a functional imaging technique which is based on the detection of gamma ray pairs emitted by a positron-emitting radionuclide. there are certain limitations to this technique such as normal tissue uptake. therefore, it has been recommended that patients prepare before scanning. fasting for a short while before pet imaging is an exampl...

2015
Andrei Iagaru Ryogo Minamimoto Craig Levin Amid Barkhodari Mehran Jamali Dawn Holley Zaharchuk Greg

Methods and materials All patients underwent a single-injection of FDG, followed first by PET-CT and subsequently by PET-MRI scan. The PET/CT exams were performed using a GE Discovery 690 PET/CT scanner. The PET/MRI images were acquired on a GE Signa PET/MRI scanner. All PET images were reconstructed with and without the TOF data. Visual analysis of these series was performed for dental metal /...

Journal: :asia oceania journal of nuclear medicine and biology 0
canh nguyen unit of pet/ct and cyclotron, choray hospital, vietnam huy nguyen department of liver tumor, choray hospital, vietnam tan ngo unit of pet/ct and cyclotron, choray hospital, vietnam simone maurea dipartimento di scienze biomediche avanzate, facoltá di medicina e chirurgia, università degli studi di napoli federico ii, italia

objective(s): in this study, we aimed to describe the characteristics of portal vein tumor thrombosis (pvtt), complicating hepatocellular carcinoma (hcc) in contrast-enhanced fdg pet/ct scan. methods: in this retrospective study, 9 hcc patients with fdg-avid pvtt were diagnosed by contrast-enhanced fluorodeoxyglucose positron emission tomography/computed tomography (fdg pet/ct), which is a comb...

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