Search Results - "Almeida, Adelaide De"

Prevention of transfusion-associated graft-versus-host disease by irradiation: technical aspect of a new ferrous sulphate dosimetric system by Del Lama, Lucas Sacchini, de Góes, Evamberto Garcia, Petchevist, Paulo César Dias, Moretto, Edson Lara, Borges, José Carlos, Covas, Dimas Tadeu, de Almeida, Adelaide

“…Irradiation of whole blood and blood components before transfusion is currently the only accepted method to prevent Transfusion-Associated…”
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Dosimetric parameters for small field sizes using Fricke xylenol gel, thermoluminescent and film dosimeters, and an ionization chamber by Calcina, Carmen S Guzmán, de Oliveira, Lucas N, de Almeida, Carlos E, de Almeida, Adelaide

“…Dosimetric measurements in small therapeutic x-ray beam field sizes, such as those used in radiosurgery, that have dimensions comparable to or smaller than the…”
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Surface damage studies of ETFE polymer bombarded with low energy Si ions (⩽100keV) by Minamisawa, Renato Amaral, Almeida, Adelaide De, Budak, Satilmis, Abidzina, Volha, Ila, Daryush

“…Surface studies of ethylenetetrafluoroethylene (ETFE), bombarded with Si in a high-energy tandem Pelletron accelerator, have recently been reported. Si ion…”
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Mycosis Fungoides electron beam absorbed dose distribution using Fricke xylenol gel dosimetry by da Silveira, Michely C., Sampaio, Francisco G.A., Petchevist, Paulo C.D., de Oliveira, André L., Almeida, Adelaide de

“…Radiotherapy uses ionizing radiation to destroy tumor cells. The absorbed dose control in the target volume is realized through radiation sensors, such as…”
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Gap application results for adjacent electron beams treatment by Sampaio, Francisco G.A., Del Lama, Lucas S., Petchevist, Paulo C.D., Moreira, Marcos V., Almeida, Adelaide de

“…Nowadays, electron beams from high-energy linear accelerators (LINAC) are widely used in a variety of radiotherapy treatments being suitable especially for…”
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Ir-192 HDR transit dose and radial dose function determination using alanine/EPR dosimetry by Calcina, Carmen S Guzmán, de Almeida, Adelaide, Rocha, José R Oliveira, Abrego, Felipe Chen, Baffa, Oswaldo

“…Source positioning close to the tumour in high dose rate (HDR) brachytherapy is not instantaneous. An increment of dose will be delivered during the movement…”
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Relative output factor and beam profile measurements of small radiation fields with an L-alanine/K-Band EPR minidosimeter by Abrego, Felipe Chen, Calcina, Carmen Sandra Guzmán, de Almeida, Adelaide, de Almeida, Carlos Eduardo, Baffa, Oswaldo

“…The performance of an L-alanine dosimeter with millimeter dimensions was evaluated for dosimetry in small radiation fields. Relative output factor (ROF)…”
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Mammography grid performance by Rezentes, P S, de Almeida, A, Barnes, G T

“…To measure directly the grid performance of mammography units for the range of breast thicknesses and x-ray tube potentials encountered in clinical practice…”
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Fricke Xylenol Gel characterization at megavoltage radiation energy by Del Lama, Lucas Sacchini, Petchevist, Paulo César Dias, de Almeida, Adelaide

“…Accurate determination of absorbed dose is of great importance in every medical application of ionizing radiation, mainly when involving biological tissues…”
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Fricke gel diffusion coefficient measurements for applications in radiotherapy level dosimetry by de Oliveira, Lucas Nonato, de Almeida, Adelaide, Caldas, Linda V.E.

“…In gel dosimetry applied to radiotherapy, the space–time corrections are necessary due to the diffusion of ions in the oxidized solution dosimetry…”
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Measurements of the Fe3+ diffusion coefficient in Fricke Xylenol gel using optical density measurements by de Oliveira, Lucas Nonato, Sampaio, Francisco Glaildo Almeida, Moreira, Marcos Vasques, de Almeida, Adelaide

“…In Fricke dosimetry, optical density measurements are performed some time after dosimeter irradiation. Values of the diffusion coefficient of Fe3+ in Fricke…”
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Measurements of the Fe super(3+) diffusion coefficient in Fricke Xylenol gel using optical density measurements by Oliveira, Lucas Nonato de, Sampaio, Francisco Glaildo Almeida, Moreira, Marcos Vasques, Almeida, Adelaide de

“…In Fricke dosimetry, optical density measurements are performed some time after dosimeter irradiation. Values of the diffusion coefficient of Fe super(3+) in…”
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Monte Carlo Simulations for Small Electron Field Size Irradiation by Del Lama, L. S., Martinez, A. S., de Almeida, A.

“…Fricke Xylenol Gel (FXG) is a chemical dosimeter based on swine skin gelatin, Xylenol Orange (XO) and ferrous sulphate. When irradiated with ionizing…”
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Measuring output factors and beam profiles formed by multileaf collimators using Fricke gel dosimeter by Nonato de Oliveira, Lucas, de Almeida, Adelaide, Caldas, Linda V.E

“…Abstract The accuracy and precision are necessary factors in radiotherapy, especially for measurements involving output factors and beam profiles; in this case…”
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8 and 10 MeV Electron Beams Small Field-Size Dosimetric Parameters Through the Fricke Xylenol Gel Dosimeter by Sampaio, F. G. A., de Oliveira, L. N., Moreira, M. V., Petchevist, P. C. D., de Almeida, C. E., de Almeida, A.

“…When small field sizes are recommended in radiotherapy, the dosimeter must have an adequate spatial resolution in order to determine the absorbed dose at the…”
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Quality Assurance of a Two-Dimensional CCD Detector System Applied in Dosimetry by Sampaio, F. G. A., Lama, L. S. D., Sato, R., de Oliveira, David M. M., Czelusniak, C., de Oliveira, L. N., de Almeida, A.

“…Nowadays, charge-coupled devices (CCDs) are applied for many technological purposes, including areas as astronomy, medical diagnosis and the ones related to…”
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Beta planar source quality assurance with the Fricke xylenol gel dosimeter by Alva-Sánchez, Mirko S., de Oliveira, Lucas N., Petchevist, Paulo C., Moreira, Marco V., de Almeida, Adelaide

“…Beta therapy is employed in post surgery to treat lesions such as pterygia, keloid and glioblastoma. The beta source most used for these purposes is 90/90Y,…”
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Correction: Prevention of Transfusion-Associated Graft-versus-Host Disease by Irradiation: Technical Aspect of a New Ferrous Sulphate Dosimetric System by Del Lama, Lucas Sacchini, de Góes, Evamberto Garcia, Petchevist, Paulo César Dias, Moretto, Edson Lara, Borges, José Carlos, Covas, Dimas Tadeu, de Almeida, Adelaide

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Fricke dosimeter gel measurements of the profiles of shielded fields by Pirani, Luis F., Moreira, Marcos V., Costa, Jhonatha J.L., Oliveira, Lucas N., Caldas, Linda V.E., de Almeida, Adelaide

“…In radiation therapy, the shielding of normal tissue can be made using Cerrobend® blocks or a multileaf collimator. In this work, profiles of shielded fields…”
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Determination of diffusion coefficient in Fricke Xylenol gel dosimeter after electron beam bombardment by DE OLIVEIRA, Lucas N, ZIMMERMAN, Robert L, MOREIRA, Marcos V, ILA, Daryush, DE ALMEIDA, Adelaide

“…The Fricke Xylenol Gel (FXG) dosimeter is a ferrous sulfate aqueous solution that, when irradiated or subject to heat, oxygen and light, oxidizes the Fe@u2@u+…”
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