Search Results - "Ferreira, Andréa Vidal"

Spatial Resolution of a small animal PET scanner using 68Ga isotope by Garcia, Victoria M., Silva, A. C. M., Gontijo, Rodrigo Modesto Gadelha, Vidal Ferreira, Andréa

“…Nuclear Medicine is a modality that has been growing a lot in Brazil and in the world, bringing new radiopharmaceuticals and technologies for the diagnosis and…”
Get full text

Medical imaging technologies applied to the COVID-19 context by Viana Pinto, Yago, Modesto Gadelha Gontijo, Rodrigo, Ferreira, Andréa Vidal

“…Since the outbreak of COVID-19 disease, imaging methods such as X-Ray and Computed Tomography have stood out as feasible tools for diagnosing and evaluating…”
Get full text

Performance based on NEMA NU-4 2008 Standard of CDTN/CNEN’s Small Animal PET Scanner by Gontijo, Rodrigo Modesto Gadelha, Vidal Ferreira, Andréa, Batista da Silva, Juliana, Mamede, Marcelo

“…This study aimed to evaluate the general performance of the preclinical PET scanner (LabPET Solo 4, GE) at CDTN/CNEN using the NEMA NU 4-2008 protocol. The…”
Get full text

KETO[18F]FDG -VAP-P1: In vivo studies of a potential PET radiotracer for diagnosis of inflammation by Faria Almeida, Fernanda Aparecida de, Almeida Schirmer, Brígida G. de, de Oliveira Silva, Juliana, de Araújo Bispo, Ana Carolina, Melo Mendes, Bruno, Vidal Ferreira, Andrea, Batista Silva, Juliana, Mamede, Marcelo

“…The biodistribution of radiotracer peptide KETO[18F]FDG-VAP-P1 was evaluated by ex vivo radiation count in organs and in vivo PET imaging of healthy mice. The…”
Get full text

Comparative analysis of image quality parameters and spatial resolution of three Small Animal PET scanner in Brazil by Gontijo, Rodrigo Modesto Gadelha, Ferreira, Andréa Vidal, Faria, Daniele, Buchpiguel, Carlos Alberto, Greggio, Samuel, Venturin, Gianina, Costa, Jader, Silva, Juliana, Mamede, Marcelo

“…This study evaluated Image Quality (IQ) parameters and spatial resolution (SR) of Triumph® LabPET systems installed in three different Brazilian preclinical…”
Get full text

18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom by Ferreira, Andréa Vidal, Bispo, Ana Carolina Araujo, Leite, Christiane Silva, Silva, Juliana Batista da, Mamede, Marcelo, Gontijo, Rodrigo Modesto Gadelha, Mendes, Bruno Melo

“…Small animals, such as mice, are used in radiopharmaceutical biodistribution studies and innumerous others preclinical investigations involving ionizing…”
Get full text

Disciplinas de Proteção Radiológica e Medicina Nuclear dos cursos federais brasileiros de graduação em Tecnologia em Radiologia by Garcia, Victoria, Gadelha Gontijo, Rodrigo Modesto, Vidal Ferreira, Andréa

“…No Brasil, os cursos de graduação em Tecnologia em Radiologia (CSTR) vem ganhando espaço como formação acadêmica, exigindo aprimoramento do currículo das…”
Get full text

Synthesis, quality control and dosimetry of the radiopharmaceutical 18F-sodium fluoride produced at the Center for Development of Nuclear Technology - CDTN by Silveira, Marina Bicalho, Soares, Marcella Araugio, Valente, Eduardo Sarmento, Waquil, Samira Soares, Ferreira, Andréa Vidal, Santos, Raquel Gouvêa dos, Silva, Juliana Batista da

“…18F-Sodium fluoride (Na18F) is a radiopharmaceutical used for diagnosis in nuclear medicine by positron emission tomography (PET) imaging. Bone scintigraphy is…”
Get full text

Quality control of small animal PET scanner: The Brazilian Scenario by Gadelha Gontijo, Rodrigo Modesto, Ferreira, Andréa Vidal, Silva, Juliana Batista, Mamede, Marcelo

“…This work aims to evaluate the quality control program for small animal PET (positron emission tomography) scanners in Brazil. A questionnaire focused on type…”
Get full text

Spatial resolution of a preclinical PET tomograph by Souza, Guilherme Cavalcante de Albuquerque, Gontijo, Rodrigo Modesto Gadelha, Silva, Juliana Batista da, Mamede, Marcelo, Ferreira, Andréa Vidal

“…Positron emission tomography (PET) is an important molecular image modality and its application on preclinical research has increased during last decades…”
Get full text

Influence of image reconstruction protocols on the image quality of a small animal PET scanner using 18F and 11C by Barbosa, João Vitor do Carmo, Gontijo, Rodrigo Modesto Gadelha, Souza, Guilherme Cavalcante de Albuquerque, Mendes, Bruno Melo, Silva, Juliana Batista da, Mamede, Marcelo, Ferreira, Andréa Vidal

“…The small animal positron emission tomography (PET) scanner from Molecular Imaging Laboratory (LIM/CDTN) is dedicated to pre-clinical studies on new 18F and…”
Get full text

Image quality evaluation for two different positron emitters in a preclinical PET scanner by Gadelha, Rodrigo Modesto, Ferreira, Andréa Vidal, Souza, Guilherme Albuquerque Cavalcante, Silva, Juliana Batista, Mamede, Marcelo

“…Positron emission tomography (PET) is widely used in preclinical trials, generating molecular images applied to biochemical, metabolic and functional…”
Get full text

Image quality assessment using NEMA NU 4/2008 standards in small animal PET scanner by Ferreira, Andréa Vidal, Gontijo, Rodrigo Modesto Gadelha, Silva, Juliana Batista, Mamede, Marcelo Henrique

“…In Brazil, there are few microPET in use and a quality control protocols standardization are needed to harmonize their use in the research field. Thus, the…”
Get full text

Image quality assessment using NEMA NU 4/2008 standards in small animal PET scanner by Gontijo, Rodrigo Modesto Gadelha, Ferreira, Andréa Vidal, Silva, Juliana Batista, Mamede, Marcelo Henrique

“…In Brazil, there are few microPET in use and a quality control protocols standardization are needed to harmonize their use in the research field. Thus, the…”
Get full text

Mapping of Brain Activity in the Analgesia Induced by Phα1β and Morphine by Diniz, Danuza Montijo, Malamut, Carlos, Araújo, Marina Rios, Ferreira, Andrea Vidal, Silva, Juliana Figueira, Cordeiro, Marta do Nascimento, Borges, Marcia Helena, Romano Silva, Marco Aurélio, Gomez, Marcus Vinicius, Castro Junior, Célio Jose

“…Preclinical evidence suggests the potential of Ph α 1 β , a toxin obtained from the venom of spider Phoneutria nigriventer , as a new analgesic drug. Molecular…”
Get full text

Influence of detectors efficiency normalization on small animal PET image quality by De Santana, Mateus Gesulado Carneiro, Souza, Guilherme Cavalcante de Albuquerque, Gontijo, Rodrigo Modesto Gadelha, Mendes, Bruno Melo, Ferreira, Andréa Vidal

“…LabPET GE 4 (a small animal positron emission tomograph) image acquisition is done by 1536 independents channels. Differences in the rate counting of each…”
Get full text

Image quality evaluation of a small animal PET scanner by Ferreira, Andréa Vidal, Gontijo, Rodrigo Modesto Gadelha, Souza, Guilherme Cavalcante de Albuquerque, Mendes, Bruno Melo, Silva, Juliana Batista da, Mamede, Marcelo

“…Performance testing of small animal PET scanners is very important to ensure the high performance required for this particular type of PET scanner. In this…”
Get full text

Constancy tests and quality assurance of the activimeters used in a Radiopharmaceutical Production Unit by Gontijo, Rodrigo Modesto Gadelha, Ferreira, Andréa Vidal, Nascimento, Leonardo Tafas Constantino, Costa, Flávia Mesquita, Silva, Juliana Batista, Mamede, Marcelo

“…Activimeters (or dose calibrators) are essential instruments to verify activity of radiopharmaceutical after production and also before the dose administration…”
Get full text

The Historical Background of Quality Assurance at Laboratório de Imagem Molecular of the Centro de Desenvolvimento da Tecnologia Nuclear by Vilaça Silva, Alexandre, Modesto Gadelha Gontijo, Rodrigo, Vidal Ferreira, Andrea

“…The Centro de Desenvolvimento da Tecnologia Nuclear has a small animals positron emission tomograph in its Laboratório de Imagem Molecular. This equipment, the…”
Get full text

Development of alternative methodology for normalization of the small animals PET scanner of LIM/CDTN by Silva, Anna Clara Moreira da, Moreira, Victória Garcia, Mendes, Bruno Melo, Gontijo, Rodrigo Modesto Gadelha, Ferreira, Andrea Vidal

“…Normalization is a step taken to correct variations in count rates between detection channels of small animals PET scanners. In general, in laboratory…”
Get full text