Results 61 to 70 of about 23,150 (276)

Chemical composition, antibacterial and repellent activities of Azorella trifurcata, Senecio pogonias, and Senecio oreophyton essential oils [PDF]

open access: yes, 2014
The antibacterial and insect-repellent activities of the essential oils (EOs) from Argentinian medicinal plants Azorella trifurcata (Gaertn.) Pers., Senecio cfr. oreophyton J. Remy and Senecio cfr. pogonias Cabrera, were investigated. All EOs showed good
Agüero, María Belén   +10 more
core   +1 more source

Temporal change of the aggregation response in Triatoma infestans [PDF]

open access: yesMemórias do Instituto Oswaldo Cruz, 2000
Adults and larvae of Triatoma infestans spend daylight hours assembled in shaded places. An assembling factor has been demonstrated in the excrement of this species. We analysed different aspects of the dynamics of the response of bugs. Recently fed insects do not aggregate around faeces.
Alicia Nieves Lorenzo Figueiras   +1 more
openaire   +5 more sources

High levels of human infection with Trypanosoma cruzi associated with the domestic density of infected vectors and hosts in a rural area of northeastern Argentina [PDF]

open access: yes, 2018
Background: Insecticide spraying campaigns designed to suppress the principal vectors of the Chagas disease usually lack an active surveillance system that copes with house reinvasion.
Cardinal, Marta Victoria   +5 more
core   +1 more source

Novo procedimento de xenodiagnóstico na forma crônica da doença de Chagas New xenodiagnostic procedure in chronic Chagas' disease

open access: yesMemorias do Instituto Oswaldo Cruz, 1976
Xenodiagnósticos feitos com Triatoma infestans durante 24 horas consecutivas, a intervalos de duas horas, demonstraram o Trypanosoma cruzi em 9 de 10 pacientes suspeitos de infecção chagástica crônica.Positive xenodiagnostic was obtained in 9 out of 10 ...
Saulo P. Almeida   +2 more
doaj   +1 more source

Molecular epidemiology of domestic and sylvatic Trypanosoma cruzi infection in rural northwestern Argentina [PDF]

open access: yes, 2008
Genetic diversity of Trypanosoma cruzi populations and parasite transmission dynamics have been well documented throughout the Americas, but few studies have been conducted in the Gran Chaco ecoregion, one of the most highly endemic areas for Chagas ...
Cardinal, Marta Victoria   +8 more
core   +1 more source

Dispersal of Triatoma infestans and other Triatominae species in the arid Chaco of Argentina: Flying, walking or passive carriage? The importance of walking females

open access: yesMemorias do Instituto Oswaldo Cruz, 2011
The aim of this paper was to analyse the active dispersal of Triatoma infestans and the role of chickens as passive carriers of this insect in peridomestic areas of La Rioja, Argentina.
Luciana Beatriz Abrahan   +2 more
doaj   +1 more source

Patterns of antenal sensilla of Panstrongylus megistus from three Brazilian states [PDF]

open access: yes, 2005
The objective of the present study was to analyze and describe the phenotype of the antennal sensilla of Panstrongylus megistus, one of the epidemiologically most important species of triatomines in Brazil.
Catala, Silvia Susana   +4 more
core   +1 more source

Description of a newly discovered Triatoma infestans (Hemiptera: Reduviidae) Foci in Ibipeba, State of Bahia, Brazil

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2014
Introduction Chagas disease transmitted by the Triatoma infestans was eradicated from Brazil in 2006. However, reports of triatomine foci threaten the control of Chagas disease. The goal of this study was to determine T.
Renato Freitas Araújo   +5 more
doaj   +1 more source

Discrete typing units of Trypanosoma cruzi identified in rural dogs and cats in the humid Argentinean Chaco [PDF]

open access: yes, 2012
The discrete typing units (DTUs) of Trypanosoma cruzi that infect domestic dogs and cats have rarely been studied. With this purpose we conducted a cross-sectional xenodiagnostic survey of dog and cat populations residing in 2 infested rural villages in ...
Cardinal, Marta Victoria   +5 more
core   +1 more source

Triatoma infestans in Greater Buenos Aires, Argentina [PDF]

open access: yesMemórias do Instituto Oswaldo Cruz, 2001
The Health Administration Agencies of many municipalities in Greater Buenos Aires (GBA) receive frequent reports on triatomines in houses. The aim of this work was to identify and describe the dispersal foci of Triatoma infestans in an urban neighborhood of GBA, and contribute to the knowledge of the epidemiological situation in the region.
Gajate, P   +6 more
openaire   +5 more sources

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