نتایج جستجو برای: dosimetry protocols

تعداد نتایج: 108295  

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2007
George Sgouros

Dosimetry for targeted radionuclide therapy is a relatively young field. Although initial work can be traced back to the late 1940s (1), the MIRD Committee formalism that forms the foundation for most current approaches was published in the mid 1970s (2), and the drive for improved dosimetry to meet the requirements of targeted radionuclide therapy did not begin until the 1980s. During this per...

Journal: :Journal of Synthetic Organic Chemistry, Japan 1958

Journal: :Radioprotection 1996

Journal: :Radiation Protection Dosimetry 1997

Journal: :Radioprotection 1996

Journal: :iranian journal of medical physics 0
hamid reza sadoughi m.sc. student of medical physics, medical physics dept., tehran university of medical sciences, tehran, iran mahmood allahverdi associate professor, medical physics dept., tehran university of medical sciences, and radiotherapy physics department of cancer institute, tehran, iran hasan nedaei assistant professor, radiotherapy physics dept., cancer institute, tehran, iran ramin jaberi radiotherapy physicist, radiotherapy physics dept., cancer institute, tehran, iran mahbod esfahani radiotherapy physicist, radiotherapy physics dept., cancer institute, tehran, iran alireza shirazi associated professor, medical physics dept., tehran university of medical sciences, tehran, iran

introduction: multiple fields and presence of heterogeneities create complex dose distributions that need three dimensional dosimetry. in this work, we investigated mr-based magic gel dosimetry as a three-dimensional dosimetry technique to measure the delivered dose to bladder and rectum in prostate radiation therapy. materials and methods: a heterogeneous slab phantom including bones was made....

2014
D. E. Raeside

The field of personnel radiation monitoring is presently in a state of radical change. It appears that the unreliability of the film badge is now firmly established, bringing into question the value of much of the massive amount of personnel dosimetry data accumulated in the past three decades. This article examines the evidence "against" the film badge and reviews the comparative studies "for"...

Journal: :Kathmandu University medical journal 2012
C R Bhatt A Widmark S L Shrestha T Khanal B Ween

BACKGROUND Radiation, which is used extensively to diagnose and treat human diseases, poses an occupational health risk for the concerned health workers. Personal dosimetry is an important tool to monitor occupational radiation exposures. OBJECTIVE This study was conducted to reveal and to describe the situation of occupational radiation exposure monitoring among staffs in different health ca...

2006
ANATOLY B. ROSENFELD

Semiconductor radiation detectors play an important role in radiation instrumentation. They have many advantages due to their small size, outstanding energy resolution in nuclear spectroscopy, easy pixilation for high spatial resolution and ability of integration with readout electronics. Advancement in microelectronic industry made silicon one of the most popular material for radiation detecto...

2010
A. Solimanian M. Ghafoori Mostafa Ghafoori

*Corresponding author: Dr. Mostafa Ghafoori, Radiation Dosimetry and Monitoring group, Agricultural, Medical and Industrial Research School (AMIRS), Nuclear Science and Technology Research Institute (NSTRI), Atomic Energy Organization of Iran (AEOI), P.O. Box 31485-498 Karaj, Iran. Fax: +98 261 4464058 E-mail: [email protected] Background: Absolute dosimetry of external beam radiotherapy is c...

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