Results 1 to 10 of about 353 (115)

Cut instance mixing: A domain-specific data augmentation method applied to gastrointestinal lesion detection. [PDF]

Sci Rep
Early detection of gastrointestinal lesions such as intestinal metaplasia (IM), dysplasia, and polyps remains challenging due to their subtle appearance and the scarcity of well-annotated medical image datasets.
Neto A, Almeida E, Libânio D, Dinis-Ribeiro M, Coimbra M, Cunha A.   +5 more
europepmc   +2 more sources

Fe/⁵⁷Fe-Metallacarboranes with Radiosensitizing Potential in Breast Cancer Cell Models: Comparative Study Between High- (⁶⁰Co) and Low-Energy (⁵⁷Co) Gamma Radiation Sources. [PDF]

Pharmaceutics
Background: Radiosensitizers can be used to enhance tumor response and mitigate toxicity in healthy tissues during radiation therapy. This study investigates the radiosensitizing potential of the metallacarborane Fe/57Fe-ferrabisdicarbollide in SK-BR-3 ...
Di Maria S, Engrácia DM, Pinto CIG, Waerenborgh JC, Vieira BJC, Santos P, Pinheiro T, Nuez-Martínez M, Matos AP, Mendes F, Teixidor F, Viñas C, Marques F.   +12 more
europepmc   +2 more sources

Enhanced Cytotoxicity against a Pancreatic Cancer Cell Line Combining Radiation and Gold Nanoparticles. [PDF]

Pharmaceutics
The present work consisted of an exploratory study aiming to evaluate in vitro the potential of AuNPs during Radiation Therapy (RT) in human pancreatic adenocarcinoma cells.
Martins A, Ferreira BC, Gaspar MM, Vieira S, Lopes J, Viana AS, Paulo A, Mendes F, Campello MPC, Martins R, Reis CP.   +10 more
europepmc   +2 more sources

Corrigendum: Comparison of 3DCRT and IMRT out-of-field doses in pediatric patients using Monte Carlo simulations with treatment planning system calculations and measurements. [PDF]

Front Oncol, 2023
Sá AC, Barateiro A, Bednarz BP, Almeida P, Vaz P, Madaleno T.   +5 more
europepmc   +2 more sources

Corrigendum: Comparison of 3DCRT and IMRT out-of-field doses in pediatric patients using Monte Carlo simulations with treatment planning system calculations and measurements. [PDF]

Front Oncol
Sá AC, Barateiro A, Bednarz BP, Almeida P, Vaz P, Madaleno T.   +5 more
europepmc   +2 more sources

Influence of abutment and connection type on implant-abutment connection rigidity: an in vitro study [PDF]

Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial, 2022
Objectives: To evaluate the effects of the abutment material and the connection type on the implant-abutment connection rigidity. Methods: The study evaluated eighteen implants with three different types of connections: external-hexagon, tri-channel ...
Teresa Almeida Mendes, Luís Miguel Vilhena, Jaime Portugal, João Caramês, Amílcar Lopes Ramalho, Luís Pires Lopes   +5 more
doaj   +1 more source

Símbolos de estatus o una visión de los primeros momentos del Bronce Medio del suroeste: las estructuras funerarias de Horta do Pinheiro 5 (Torrão do Alentejo, sur de Portugal)

Trabajos de Prehistoria, 2021
El reciente descubrimiento y excavación arqueológica de dos estructuras funerarias ubicadas en Horta do Pinheiro 5 (sur de Portugal) arrojan una nueva luz sobre los primeros momentos del Bronce Medio del suroeste. Estas estructuras, una fosa y un hipogeo,
António M. Monge Soares, Linda Melo, Pedro Valério, Ana Maria Silva, Pedro Pais Martins, Rui M. G. Monge Soares, Luis Cerqueira Alves, Maria Fátima Araújo, Lídia Baptista, Maria Helena Casimiro, Luis Mota Ferreira, Rui J. C. Silva   +11 more
doaj   +1 more source

Development of a groundwater quality index: GWQI, for the aquifers of the state of Bahia, Brazil using multivariable analyses

Scientific Reports, 2021
This work elaborated a groundwater quality index—GWQI, for the aquifers of the state of Bahia, Brazil, using multivariable analyses. Data from 600 wells located in the four hydrogeological domains: sedimentary, crystalline, karstic, and metasedimentary ...
José Barbosa Filho, Iara Brandão de Oliveira   +1 more
doaj   +1 more source

Artificial Intelligence for Upper Gastrointestinal Endoscopy: A Roadmap from Technology Development to Clinical Practice

Diagnostics, 2022
Stomach cancer is the third deadliest type of cancer in the world (0.86 million deaths in 2017). In 2035, a 20% increase will be observed both in incidence and mortality due to demographic effects if no interventions are foreseen.
Francesco Renna, Miguel Martins, Alexandre Neto, António Cunha, Diogo Libânio, Mário Dinis-Ribeiro, Miguel Coimbra   +6 more
doaj   +1 more source

Evolução e Tendências nas Pesquisas em Administração Territorial e Cadastro

Revista Brasileira de Cartografia, 2020
Ao longo do tempo, as relações entre pessoas e terra, função primordial do cadastro, passaram a exigir novas demandas, fazendo com que os países estruturassem sistemas de administração territorial de cunho não somente técnico-organizacional, mas também ...
Andrea Flávia Tenório Carneiro, Camila Ribeiro Miranda   +1 more
doaj   +1 more source