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Registro Completo |
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
16/11/2017 |
Data da última atualização: |
16/11/2017 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
MILORI, D. M. B. P.; MOUNIER, S.; VILLAS BOAS, P. R.; TADINI, A.; OHANA, N.; FALVO, M.; BRUNO, O. M.; GUIMARÃES, F. E. G. |
Afiliação: |
DEBORA MARCONDES BASTOS PEREIRA, CNPDIA; PAULINO RIBEIRO VILLAS BOAS, CNPDIA. |
Título: |
Fractal behavior of humic substances evaluated by confocal laser scanning microscopy (CLSM) and fluorescence lifetime imaging. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
In: 2016 MRS FALL MEETING& EXHIBIT, 2016, Boston, Massachusetts, 2017. Abstract PM3.6. Não paginado. |
Idioma: |
Inglês |
Palavras-Chave: |
Composition & Microstructure/bulk technique/spectroscopy; Perfomance/functionality/optical; Properties/Radiation/Luminescence. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/166822/1/P-Fractal-behavior-of-humic....pdf
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Marc: |
LEADER 00828nam a2200217 a 4500 001 2079903 005 2017-11-16 008 2017 bl uuuu u00u1 u #d 100 1 $aMILORI, D. M. B. P. 245 $aFractal behavior of humic substances evaluated by confocal laser scanning microscopy (CLSM) and fluorescence lifetime imaging.$h[electronic resource] 260 $aIn: 2016 MRS FALL MEETING& EXHIBIT, 2016, Boston, Massachusetts, 2017. Abstract PM3.6. Não paginado.$c2017 653 $aComposition & Microstructure/bulk technique/spectroscopy 653 $aPerfomance/functionality/optical 653 $aProperties/Radiation/Luminescence 700 1 $aMOUNIER, S. 700 1 $aVILLAS BOAS, P. R. 700 1 $aTADINI, A. 700 1 $aOHANA, N. 700 1 $aFALVO, M. 700 1 $aBRUNO, O. M. 700 1 $aGUIMARÃES, F. E. G.
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Embrapa Instrumentação (CNPDIA) |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
08/11/2013 |
Data da última atualização: |
08/11/2013 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
BARROS, A. T. M. de; SCHUMAKER, T. T. S.; KOLLER, W. W.; KLAFKE, G. M.; ALBUQUERQUE, T. A. de; GONZALEZ, R. |
Título: |
Mechanisms of pyrethroid resistance in Haematobia irritans (Muscidae) from Mato Grosso do Sul state, Brazil. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Revista Brasileira de Parasitologia Veterinária v. 22, n. 1, p. 136-142, 2013. |
ISSN: |
0103-846X |
Idioma: |
Português |
Conteúdo: |
Horn fly resistance to pyrethroid insecticides occurs throughout Brazil, but knowledge about the involved mechanisms is still in an incipient stage. This survey was aimed to identify the mechanisms of horn fly resistance to cypermethrin in Mato Grosso do Sul state, Brazil. Impregnated filter paper bioassays using cypermethrin, synergized or not with piperonyl butoxide (PBO) and triphenyl phosphate (TPP), were conducted from March 2004 to June 2005 in horn fly populations (n = 33) from all over the state. All populations were highly resistant to cypermethrin, with resistance factors (RF) ranging from 89.4 to 1,020.6. Polymerase chain reaction (PCR) assays to detect the knockdown resistance (kdr) mutation also were performed in 16 samples. The kdr mutation was found in 75% of the tested populations, mostly with relatively low frequencies (<20%), and was absent in some highly resistant populations. Addition of TPP did not significantly reduce the LC50 in any population. However, PBO reduced LC50s above 40-fold in all tested populations, resulting in RFs ? 10 in most cases. Horn fly resistance to cypermethrin is widespread in the state, being primarily caused by an enhanced activity of P450 mono-oxygenases and secondarily by reduced target site sensitivity. |
Palavras-Chave: |
Horn fly; Kdr; Metabolic resistance; Mosca-dos-chifres; Resistência a inseticidas; Resistência metabólica. |
Thesaurus NAL: |
insecticide resistance. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/92232/1/Antonio-Thadeu-Medeiros-Barros-0103-846X-rbpv-00-00-240.pdf
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Marc: |
LEADER 02144naa a2200277 a 4500 001 1970876 005 2013-11-08 008 2013 bl uuuu u00u1 u #d 022 $a0103-846X 100 1 $aBARROS, A. T. M. de 245 $aMechanisms of pyrethroid resistance in Haematobia irritans (Muscidae) from Mato Grosso do Sul state, Brazil.$h[electronic resource] 260 $c2013 520 $aHorn fly resistance to pyrethroid insecticides occurs throughout Brazil, but knowledge about the involved mechanisms is still in an incipient stage. This survey was aimed to identify the mechanisms of horn fly resistance to cypermethrin in Mato Grosso do Sul state, Brazil. Impregnated filter paper bioassays using cypermethrin, synergized or not with piperonyl butoxide (PBO) and triphenyl phosphate (TPP), were conducted from March 2004 to June 2005 in horn fly populations (n = 33) from all over the state. All populations were highly resistant to cypermethrin, with resistance factors (RF) ranging from 89.4 to 1,020.6. Polymerase chain reaction (PCR) assays to detect the knockdown resistance (kdr) mutation also were performed in 16 samples. The kdr mutation was found in 75% of the tested populations, mostly with relatively low frequencies (<20%), and was absent in some highly resistant populations. Addition of TPP did not significantly reduce the LC50 in any population. However, PBO reduced LC50s above 40-fold in all tested populations, resulting in RFs ? 10 in most cases. Horn fly resistance to cypermethrin is widespread in the state, being primarily caused by an enhanced activity of P450 mono-oxygenases and secondarily by reduced target site sensitivity. 650 $ainsecticide resistance 653 $aHorn fly 653 $aKdr 653 $aMetabolic resistance 653 $aMosca-dos-chifres 653 $aResistência a inseticidas 653 $aResistência metabólica 700 1 $aSCHUMAKER, T. T. S. 700 1 $aKOLLER, W. W. 700 1 $aKLAFKE, G. M. 700 1 $aALBUQUERQUE, T. A. de 700 1 $aGONZALEZ, R. 773 $tRevista Brasileira de Parasitologia Veterinária$gv. 22, n. 1, p. 136-142, 2013.
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