Results 1 to 10 of about 2,264 (50)

Impact of electron beam irradiation in potato starch films containing hibiscus aquous extract

open access: yesBrazilian Journal of Radiation Sciences, 2021
The development of starch films containing natural antioxidants is one alternative of active packaging. Starch is a well-studied natural biopolymer that can be used for the development of biodegradable films because it presents a low cost, is easy to ...
Bruna Saporito Teixeira   +2 more
doaj   +1 more source

Non-destructive examination of a polychrome wooden sculpture from the 17th century

open access: yesBrazilian Journal of Radiation Sciences
This study investigates the conservation assessment of a polychrome sculpture from the 17th century depicting San Diego de Alcalá, whose origin and workshop remain unknown.
Roberta Manon de Paula Sales Borges   +7 more
doaj   +1 more source

Pressure Vessels Structural Integrity Assessment Using Failure Analysis Diagrams

open access: yesBrazilian Journal of Radiation Sciences
There is much discussion today about the possibility of extending the lifetime of industrial plant components due to economic factors. Pressure vessels are among the most expensive components, and their replacement can significantly impact the operation
Juarez de Jesus Rocha Pinto   +1 more
doaj   +1 more source

Parameters for Validating a Spectrometric System with Itinerant NaI(Tl) in the Ativimeter’s Calibration

open access: yesBrazilian Journal of Radiation Sciences
In radiopharmaceutical production centers and nuclear medicine services, short half-life radionuclides are essential. They have been used as radiotracers since their use increased significantly and aroused the interest of national metrology laboratories,
Dayana Azeredo Conceição   +2 more
doaj   +1 more source

Paraloid Resins with Polymeric Monomers Cured by Gamma Radiation for Consolidation of Porous Wood

open access: yesBrazilian Journal of Radiation Sciences
Preservation consists of an action that aims to guarantee the integrity and perpetuity of something, such as a cultural asset. One of the preservation instruments is restoration, an intervention that aims to definitively secure a product of human ...
Maria José Alves Oliveira   +4 more
doaj   +1 more source

Analyzing gamma irradiated Spectrolite in relation to the photo-transfer TL and OSL effects

open access: yesBrazilian Journal of Radiation Sciences
Thermoluminescence (TL) and optically stimulated luminescence (OSL) are two techniques based in the luminescence phenomenon. They can be applied to study the response of materials which present the property of emitting light after the steps of ...
Patrícia de Lara Antonio   +1 more
doaj   +1 more source

Gamma Radiation for Preservation: A Novel Approach to Disinfect VHS Tapes in Historical Archives

open access: yesBrazilian Journal of Radiation Sciences
Preserving historical artifacts, such as VHS tapes, in archival collections presents significant challenges, particularly in environments conducive to mold contamination.
Maria Luiza Emi Nagai   +2 more
doaj   +1 more source

Calibration and evaluation of the MTS-N dosimeter for absorbed dose measurement in blood components

open access: yesBrazilian Journal of Radiation Sciences
The use of ionizing radiation has significantly expanded, particularly in the healthcare sector, where the irradiation of blood components prevents transfusion-associated graft-versus-host disease (TA-GvHD).
Lorena Fonseca   +4 more
doaj   +1 more source

Comparative Study of the Performance of Two Treatment Planning Systems Using Tests from the MPPG 5b Guidelines, TECDOC 1583 and Venselaar's Confidence Limits

open access: yesBrazilian Journal of Radiation Sciences
This work presents a comprehensive comparative study of the performance of two Treatment Planning Systems (TPS) in radiotherapy: the Eclipse™ TPS by Varian Medical Systems, which utilizes the Analytical Anisotropic Algorithm (AAA), and the MIRS TPS by ...
Carlos Vega D'Espaux   +3 more
doaj   +1 more source

Determination of the tube voltage from clinic mammo-graphic system using two types of detectors

open access: yesBrazilian Journal of Radiation Sciences, 2015
The use of X rays for diagnostic radiology is very common and important to Medicine, including mammographic diagnosis focusing decreasing of the doses applied to the patients and preserving high quality of the diagnostic image.
Jacqueline Sales Barreira, Vitor Vivolo
doaj   +1 more source

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