Results 41 to 50 of about 21,738 (166)

Soma de vetores comutativa

open access: yes, 2013
O vídeo mostra uma animação na qual é possivel visualizar a propriedade comutativa na soma de três vetores, utilizando a regra do polígono para vetores.
Pelletier, Yves
core   +1 more source

Bioecologia de Dermatobia hominis (Linnaeus Jr., 1781) em Palotina, Paraná, Brasil

open access: yesCiência Rural, 2002
O presente trabalho foi desenvolvido na UFPR - Campus Palotina, no Paraná, e em três propriedades rurais do mesmo município, durante o período de novembro de 1997 a maio de 1999.
Pinto Simone Benghi   +7 more
doaj  

Distribution and dissemination of the Val1016Ile and Phe1534Cys Kdr mutations in Aedes aegypti Brazilian natural populations

open access: yesParasites & Vectors, 2014
Background The chemical control of the mosquito Aedes aegypti, the major vector of dengue, is being seriously threatened due to the development of pyrethroid resistance. Substitutions in the 1016 and 1534 sites of the voltage gated sodium channel (AaNaV),
Jutta Gerlinde Birggitt Linss   +7 more
doaj   +1 more source

Assessment of Synthetic Membranes for Artificial Blood Feeding of Culicidae

open access: yesInsects, 2020
Potential pathogen transmission through hematophagy in Culicidae is a major public-health problem, and several studies have been performed to better understand this phenomenon.
Luciana S. Dias   +3 more
doaj   +1 more source

ZIKV Phylogenetic Characterization Reveals Evolutionary Diversity, Regional Dissemination, and Emergence of African Lineages in Brazil

open access: yesJournal of Basic Microbiology, Volume 66, Issue 1, January 2026.
ABSTRACT During the last epidemic in 2015–2016, Zika virus (ZIKV) gaining worldwide attention due to its association with neurological complications such as microcephaly and Guillain‐Barré syndrome. ZIKV can be transmitted through vector‐borne, sexual, maternal‐fetal, and blood transfusion transmission.
Thayane da Encarnação Sá‐Guimarães   +4 more
wiley   +1 more source

First large-scale assessment of pyrethroid resistance in Anopheles darlingi (Diptera: Culicidae) in Brazil (2021-2024): a crucial step in informing decision-making in malaria control

open access: yesMalaria Journal
Background Malaria continues to pose a significant public health threat in northern Brazil. Current control strategies for Anopheles darlingi, the primary malaria vector in the Amazon region, depend on long-lasting insecticidal nets (LLINs) and indoor ...
Quesia Santos Amorim   +8 more
doaj   +1 more source

Injective mappings and solvable vector fields

open access: yesAnais da Academia Brasileira de Ciências, 2010
We establish a sufficient condition for injectivity in a class of mappings defined on open connected subsets of Rn , for arbitrary n. The result relates solvability of the appropriate vector fields with injectivity of the mapping and extends a result ...
José R. dos Santos Filho   +1 more
doaj   +1 more source

Terapia larval: protocolo básico de manutenção, desinfecção, transporte e aplicação de larvas de Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae)

open access: yesEntomological Communications, 2021
Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) is an exotic blowfly in Brazil and it is considered one of the main species of medical-forensic importance.
Renata A. Gama   +8 more
doaj   +1 more source

Soma de vetores comutativa

open access: yes, 2016
O vídeo mostra uma animação na qual é possivel visualizar a propriedade comutativa na soma de três vetores, utilizando a regra do polígono para vetores.
Pelletier, Yves
core   +1 more source

AG129 Mice as a Comprehensive Model for the Experimental Assessment of Mosquito Vector Competence for Arboviruses

open access: yesPathogens, 2022
Arboviruses (an acronym for “arthropod-borne virus”), such as dengue, yellow fever, Zika, and Chikungunya, are important human pathogens transmitted by mosquitoes. These viruses impose a growing burden on public health.
Lívia V. R. Baldon   +9 more
doaj   +1 more source

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