Results 11 to 20 of about 12,842 (225)

O aproveitamento do resíduo da indústria do sisal no controle de larvas de mosquitos [PDF]

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1999
Descreve-se o aproveitamento do resíduo do desfibramento das folhas de Agave sisalana, como um larvicida para o combate a mosquitos transmissores de doenças tropicais. Durante 24 horas, larvas de Aedes aegypti e Culex quinquefasciatus foram expostas a concentrações diferentes do extrato da planta para determinar as concentrações letais. Para A. aegypti
Pizarro, Ana Paula B.   +5 more
openaire   +6 more sources

Controle de mosquitos com base em larvicidas no Estado do Rio Grande do Sul, Brasil: a escolha do agente de controle

open access: yesCadernos de Saúde Pública, 1994
Desenvolveu-se neste estudo uma comparação entre larvicidas químicos e biológicos usados em programas de controle de mosquitos no Rio Grande do Sul. Em bioensaios de laboratório contra Culex quinquefasciatus constatou-se que as formulações biológicas ...
Ruas-Neto Antônio L.   +2 more
doaj   +2 more sources

Influência do controle vetorial sobre a redução da população de mosquitos [PDF]

open access: yesAnais do V Encontro Científico de Física Aplicada, 2014
G. A. Mendes   +3 more
openaire   +3 more sources

Biochemical Responses of Anopheles spp. Larvae to a Novel Brazilian BR101 Bacillus thuringiensis var. israelensis Formulation: Oxidative Stress, Detoxification Enzymes, and Safety for Nontarget Notonectidae and Gerridae Aquatic Insects. [PDF]

open access: yesChem Biodivers
Bti BR101 exhibits strong larvicidal activity against Anopheles larvae spp., with dose‐dependent mortality and LC50 of 3.13 µg/mL. Bti increases ROS, lipid and protein oxidation, and activates antioxidant enzymes (SOD, CAT, GPx) and detoxification pathways (MFO and esterases), indicating moderate oxidative stress.
de Oliveira Bentes IC   +14 more
europepmc   +2 more sources

Baseline susceptibility of Haemaphysalis longicornis to organophosphate, carbamate, and pyrethroid acaricides

open access: yesPest Management Science, Volume 79, Issue 11, Page 4328-4334, November 2023., 2023
The baseline susceptibility of Haemaphysalis longicornis to organophosphate, carbamate and pyrethroid acaricides was calculated using a larval package approach. Results indicate that the Asian longhorned tick is susceptible to pyrethroids, coumaphos and carbamates, and should also be effective for controlling H. longicornis.
Matthew Bickerton   +3 more
wiley   +1 more source

Susceptibility of Aedes aegypti larvae to the insecticide temephos in the Federal District, Brazil [PDF]

open access: yes, 2004
OBJETIVO: Estudar o padrão de suscetibilidade do Aedes aegypti ao inseticida organofosforado temefós. MÉTODOS: Amostras de larvas de Ae. aegypti foram obtidas com armadilhas para oviposição, em oito cidades do Distrito Federal, nos anos 2000 e 2001. As
Caldas, Eloisa Dutra   +7 more
core   +4 more sources

High larvicidal efficacy of yeast-encapsulated orange oil against Aedes aegypti strains from Brazil

open access: yesParasites & Vectors, 2021
Background Botanical substances such as essential oils (EOs) have demonstrated insecticidal properties and are a valid option for vector control. However, free EOs are unreliable as mosquito larvicides due their easy degradation by environmental exposure
Bruno Gomes   +12 more
doaj   +1 more source

A epidemia de Zika e os limites da saúde global [PDF]

open access: yes, 2016
The Zika virus was first isolated in 1947 in Uganda. If the disease has existed since then, why is it only now that there is attention from the media, science, funding agencies and national and international bodies? From the standpoint of critical global
Nunes, João, Pimenta, Denise
core   +1 more source

Embryonic development and egg viability of wMel-infected Aedes aegypti

open access: yesParasites & Vectors, 2019
Background Aedes aegypti is a major disease vector in urban habitats, involved in the transmission of dengue, chikungunya and Zika. Despite innumerous attempts to contain disease outbreaks, there are neither efficient vaccines nor definite vector control
Luana Cristina Farnesi   +5 more
doaj   +1 more source

Challenges for a new health pact: biotechnology and risk [PDF]

open access: yes, 2011
Este artigo discute a incorporação e o uso da biotecnologia na Saúde Pública, no contexto da sociedade de risco. Tendo por referência autores da teoria social contemporânea, analisam-se as implicações das práticas biotecnológicas.
IANNI, Aurea Maria Zöllner
core   +2 more sources

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