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ABFM NEWS - Física Médica Geral
 
Safety Standards Series No. GSR Part 4.
 
This publication describes the generally applicable requirements to be fulfilled in safety assessments for facilities and activities, with special attention paid to defence in depth, quantitative analyses and the application of a graded approach to the ranges of facilities and of activities that are addressed. [+ leia mais]
Colaborador: Laura Natal Rodrigues.
Fonte: AIEA.
 
 
Direction distribution of ambient neutron dose equivalent from 20 MeV protons incident on thick Be and Cu targets.
 
Ambient neutron dose equivalent from 20 MeV protons incident on thick Be and Cu targets are measured at 0°, 30°, 60° and 90° with respect to the beam direction using a conventional dose equivalent meter. [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Radiation Protection Dosimetry.
 
 
Seguridad de los generadores de radiación y de las fuentes radiactivas selladas.
 
Guía de seguridad, No. RS-G-1.10. [+ leia mais]
Colaborador: Laura Natal Rodrigues.
Fonte: AIEA.
 
 
Cyclotron Produced Radionuclides: Physical Characteristics and Production Methods.
 
"Technical Reports Series No. 468, 2009. " [+ leia mais]
Colaborador: Laura Natal Rodrigues.
Fonte: AIEA.
 
 
Dose conversion coefficients based on the Chinese mathematical phantom and MCNP code for external photon irradiation.
 
A set of conversion coefficients from kerma free-in-air to the organ-absorbed dose are presented for external monoenergetic photon beams from 10 keV to 10 MeV based on the Chinese mathematical phantom, a whole-body mathematical phantom model. [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Radiation Protection Dosimetry.
 
 
High Dose Radiation Effects and Tissue Injury.
 
Report of the independent Advisory Group on Ionising Radiation. [+ leia mais]
Colaborador: Laura Natal Rodrigues.
Fonte: Health Protection Agency.
 
 
Treatment planning and dose analysis for interstitial photodynamic therapy of prostate cancer.
 
With the development of new photosensitizers that are activated by light at longer wavelengths, interstitial photodynamic therapy (PDT) is emerging as a feasible alternative for the treatment of larger volumes of tissue. [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Physics in Medicine and Biology.
 
 
Quantitative Aspects of Bone Densitometry (ICRU Report 81).
 
This ICRU report systematically addresses the quantities and units used in bone densitometry utilizing both x-ray and ultrasound techniques. For x-ray techniques the most important quantities are bone mineral density (BMD) and bone mineral mass (BMM), and for ultrasound techniques the speed of sound (SOS) or velocity of sound (VOS), and broadband ultrasonic attenuation (BUA)... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: ICRU.
 
 
Accurate dose assessment system for an exposed person utilising radiation transport calculation codes in emergency response to a radiological accident
 
A system has been developed to assess radiation dose distribution inside the body of exposed persons in a radiological accident by utilising radiation transport calculation codes—MCNP and MCNPX... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Radiation Protection Dosimetry.
 
 
Study Shows Many Centers Are Not Using Radiation-Lowering Strategies.
 
"Radiation doses from scans used to diagnose heart and vascular disease vary widely, and they could be reduced significantly if strategies for minimizing exposure were more widely followed, a new study shows... " [+ leia mais]
Fonte: Web MD.
 
 
Point of care or high-throughput biolocal assays for determing absorbed ionizing radiation...
 
Point of care or high-throughput biological assays for determining absorbed ionizing radiation dose (Biodosimetry) after radiologic and nuclear events... [+ leia mais]
Fonte: FBO.
 
 
Joint IAEA/ICRU Report on RBE in Ion Beam Therapy.
 
The joint IAEA / ICRU report on Relative Biological Effectiveness in Ion Beam Therapy is now available. It has been published by the IAEA as Technical Reports Series No. 461... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: ICRU.
 
 
There is currently enough evidence and technology available to warrant taking immediate steps to reduce exposure of consumers to cell-phone-related...
 
In the May 27, 2008 Larry King Live show, Dr. Vini Khurana asserted that the danger of cell phones could have far broader health ramifications than asbestos and smoking... [+ leia mais]
Colaborador: Cássio Vilela Komatsu.
Fonte: Medical Physics.
 
 
Czech Republic 20 years after Chernobyl accident.
 
The territory of the Czech Republic was contaminated as a result of the breakdown in the Chernobyl nuclear power plant in 1986. The Czech population received low doses of ionising radiation which, though it could not cause a deterministic impact... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Radiation Protection Dosimetry.
 
 
Photonics: Illumination for atomic movies.
 
Free-electron lasers could produce X-rays intense enough to make atomic-resolution movies. Initial designs are kilometres long, but a prototype working in the ultraviolet points a way to shorter machines... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Nature.
 
 
Beneath cancer s daunting complexity lies a simplicity that gives grounds for hope.
 
For several years now, large-scale cancer-genome studies have made it increasingly clear that a tumour cell is a genetic disaster area littered with mutations that differ not only from one type of cancer to the next, but from one patient to the next... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: Nature.
 
 
How much faster could Usain Bolt have gone?
 
HOW quickly would Usain Bolt have run the 100 metres at the Beijing Olympics if he hadn|t slowed in celebration before the finish line? A team of physicists have calculated an answer: the Jamaican gold medallist could have slashed his time from 9.69 seconds to 9.55 seconds... [+ leia mais]
Fonte: New Scientist.
 
 
Report of AAPM Task Group 133
 
Alternative Clinical Training Pathways for Medical Physicists... [+ leia mais]
Colaborador: Laura Natal Rodrigues.
Fonte: AAPM.
 
 
Cancer complexity slows quest for cure.
 
Hopes that large studies of cancer genomics will justify their high cost by offering a fast-track to cures have been dealt a blow by a series of papers... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: NatureNews.
 
 
Dosimetry Systems for Use in Radiation Processing (ICRU Report 80).
 
The present Report examines the dosimetry performed in the industrial applications of radiation processing. A brief description is given of the main radiation-processing applications using photon or electron-beam irradiations, the dosimetry performed for these applications, and the traceability... [+ leia mais]
Colaborador: Camila Pessoa de Sales.
Fonte: ICRU.
 
 
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