Výsledky vyhledávání - "Orlando Rodrigues Junior"

Akademický článek

X- ray experimental set-up for in-vitro nail test

Autor: Cibele Bugno Zamboni, Dalton Nogueira da Silva Giovanni, Mateus Ramos de Almeida, Alberto Sabino Todo, Fabio Sabará Dias, Orlando Rodrigues Junior

Publikováno v: Brazilian Journal of Radiation Sciences, Vol 11, Iss 1A (Suppl.) (2023)

In this investigation, the elements Ca and S were evaluated in a single nail clipping using compact and portable X-ray spectrometer model X-123 SDD with Ag target. Experimental conditions for current, voltage and excitation time were investigated. Th

Externí odkaz: https://doaj.org/article/1e196e84603b48d6817565edb54a2a25

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Akademický článek

Development of an additional filtration system by 3D printing for the implementation of new X-ray beam qualities used in diagnostic radiology.

Autor: José Neres de Almeida Junior, Orlando Rodrigues Junior, Maria da Penha Albuquerque Potiens

Publikováno v: Brazilian Journal of Radiation Sciences, Vol 10, Iss 3B (2022)

The Calibration Laboratory (LCI) of the Nuclear and Energy Research Institute (IPEN-/CNEN) offers calibration services for radiation measurements instruments used in radiation protection, diagnostic radiology and radiotherapy. LCI produces radiation

Externí odkaz: https://doaj.org/article/e314da0977ec4c0baf879b518346674e

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New model of biological membrane (shed snakeskin) for studies of antioxidant activity in photoprotective formulation/ Novo modelo de membrana biológica (ecdise de pele de cobra) para estudos de atividade antioxidante em formulação fotoprotetora

Autor: André Rolim Baby, Maria Valéria Robles Velasco, Claudinéia Aparecida Sales de Oliveira Pinto, Cassiano Carlos Escudeiro, Thamires Batello Freire, Orlando Rodrigues Junior

Publikováno v: Brazilian Journal of Development. 7:43214-43236

Antioxidants of natural origin are used in medicines and cosmetics with several benefits, such as: photoprotective action, anti-aging, moisturizing and anti-pollutant. The human epidermis has an important barrier effect and limited anti-oxidative cap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd5f8d55eafff72452d8a152e36749e3
https://doi.org/10.34117/bjdv7n4-674

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Formation and EPR response of europium-yttria micro rods

Autor: S.C. Santos, Orlando Rodrigues Junior, Letícia L. Campos

Publikováno v: QUARKS: Brazilian Electronic Journal of Physics, Chemistry and Materials Science. 1:53-56

Designing new materials with suitable dose-response efficiency is a great challenge in radiation dosimetry search. Yttria (Y2O3) has excellent optical, mechanical, chemical, and thermal properties. Besides, yttria exhibits crystal characteristics tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6c8565338116403ba6a858f0cecb1f6
https://doi.org/10.34019/2674-9688.2019.v1.28229

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Evaluation of Rare-earth Sesquioxides Nanoparticles as a Bottom-up Strategy Toward the Formation of Functional Structures

Autor: Silas Cardoso dos Santos, Orlando Rodrigues Junior, Leticia Lucente Campos

Publikováno v: Current Applied Materials. 1

Background: The strategy to form functional structures based on powder technology relies on the concept of nanoparticles characteristics. Rare-earth sesquioxides (RE2O3; RE as Y, Tm, Eu) exhibit remarkable properties, and their fields of application

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::602b0073250f8ff5eae067453e250e26
https://doi.org/10.2174/2666731201666220111102037

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Evaluation of 3D printing filaments for construction of a pediatric phantom for dosimetry in CBCT

Autor: Orlando Rodrigues Junior, Ladyjane Pereira Fontes Assemany, Ezequiel da Silva, Maria da Penha Albuquerque Potiens

Publikováno v: Radiation Physics and Chemistry. 167:108227

Cone-beam computed tomography (CBCT) has been widely used in orthodontics, due to the ability to provide visualization of mineralized tissues in high definition and consequently the identification and delimitation of three-dimensional irregularities.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ec0172602b91aa7e9d2f20ad6e10666
https://doi.org/10.1016/j.radphyschem.2019.03.031

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Development of a simulating object of children\'s maxilla and mandible using 3D printing for dosimetry in cone beam computed tomography

Autor: Ladyjane Pereira Fontes Assemany

Publikováno v: Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP

A possibilidade de visualizar estruturas sobrepostas por meio da Tomografia Computadorizada de Feixe Cônico (TCFC), fez com que essa modalidade de diagnóstico por imagem se tornasse uma das mais utilizadas em alguns procedimentos odontológicos. Di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3765bf6a2b034c3d11647963c0628e0b

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Ocupational doses distribuition analysis in operation of maintenance and interventions in restricted areas at Radiofarmacy Center of IPEN

Autor: Jessica Soares Machado

Publikováno v: Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
Repositório Institucional do IPEN
Instituto de Pesquisas Energéticas e Nucleares (IPEN)
instacron:IPEN

Este estudo foi desenvolvido no Instituto de Pesquisas Energéticas e Nucleares - IPEN mais especificamente, no Centro de Radiofarmácia - CR que realiza pesquisa e processamento de radiosótopos como o 99Mo, 131I, 123I, 67Ga, 201Tl, 18F, 177Lu e 153

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::698ca07fa6430c3375200f5eeaf61141
https://doi.org/10.11606/d.85.2013.tde-29042013-085528

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Developement of monitor unit calculation in IMRT

Autor: Adriana Aparecida Flosi

Publikováno v: Repositório Institucional do IPEN
Instituto de Pesquisas Energéticas e Nucleares (IPEN)
instacron:IPEN
Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP

A verificação de forma independente do cálculo de dose e de unidades monitoras num plano de tratamento de IMRT é um passo importante nos procedimentos de garantia de qualidade da técnica em questão. Atualmente este verificação é baseada apen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::390544f3feae35e5c9b3d3f36385a6b8
https://doi.org/10.11606/d.85.2011.tde-03042012-092734

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DEVELOPMENT AND IMPLANTATION OF A CONTROL AND DATA ACQUISITION PROGRAM FOR THE CALIBRATION OF INSTRUMENTS FOR DIAGNOSTIC RADIOLOGY

Autor: Flávio Betti

Neste trabalho foram desenvolvidas as técnicas para projetar e implantar um sistema automatizado de controle e aquisição de dados para o arranjo de calibração em radiação X níveis diagnóstico e radioproteção do Laboratório de Calibração

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ead93c08618f71780a62abc136e0fd0f
https://doi.org/10.11606/d.85.2007.tde-16062008-154035

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