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| 44. |  | SILVEIRA, P. M. da; SILVEIRA, NETO, A. N. da; STONE, L. F.; OLIVEIRA, L. F. C. de. Efeitos de preparo do solo e rotação de culturas na produtividade do feijoeiro irrigado. In: CONGRESSO NACIONAL DE PESQUISA DE FEIJÃO, 8., 2005, Goiânia. Anais... Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2005. v. 2. p. 812-815. (Embrapa Arroz e Feijão. Documentos, 182).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 53. | | GLANZMANN, D.; FAYER, L.; ZANETTE, R. S. S.; GERN, J. C.; OLIVEIRA, L. F. C. de; MUNK, M.; BRANDAO, H. de M. Caracterização físico-química de nanopartículas de dióxido de titânio para produção de nanocompósitos. In: PASSOS, L. P. (ed.). Coletânea de Iniciação Científica da Embrapa Gado de Leite-PIBIC CNPq 2020-2021. Juiz de Fora: Embrapa Gado de Leite, 2021. (Embrapa Gado de Leite. Documentos, 262).| Biblioteca(s): Embrapa Gado de Leite. |
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| 54. | | OLIVEIRA, E. R.; FAYER, L.; ZANETTE, R. S. S.; LADEIRA, L. O.; OLIVEIRA, L. F. C. de; MARANDUBA, C. M. C.; BRANDAO, H. de M.; MUNK, M. Cytocompatibility of carboxylated multi-wall carbon nanotubes in stem cells from human exfoliated deciduous teeth. Nanotechnology, v. 33, n. 6, 065101, 2022.| Biblioteca(s): Embrapa Gado de Leite. |
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| 55. | | OLIVEIRA, C. J. P. de; OLIVEIRA, L. F. C. de; SILVA, A. G.; CABRERA DIAZ, J. L.; KUSDRA, G. do R. F.; OLIVEIRA, M. G. de C. Desempenho produtivo da cultivar de feijão BRS Esteio em unidades demonstrativas na região Centro-Sul do Paraná, 2015/2016. In: SEMINÁRIO JOVENS TALENTOS, 11., 2017, Santo Antônio de Goiás. Coletânea dos resumos apresentados. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2017. p. 47. (Embrapa Arroz e Feijão. Documentos, 316).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 56. | | SOUZA, N. L. G. D. de; BRANDÃO, H. M.; CARNEIRO, J. C.; MARCONCINI, J. M.; DUQUE, A. C. A.; OLIVEIRA, L. F. C. de. Studying the possible application of chitosan in the formulation of bovine rumen delivery systems In: INTERNATIONAL CONFERENCE ON FOOD AND AGRICULTURE APPLICATIONS OF NANOTECHNOLOGIES - NanoAgri, 2010, São Pedro, SP. [Anais…] São Pedro: Aptor Software, 2010. Editors: Caue Ribeiro, Odílio Benedito Garrido de Assis, Luiz Henrique Capparelli Mattoso, Sérgio Mascarenhas.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Instrumentação. |
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| 57. | | SOUZA, N. L. G. D.; SALLES, T. F.; BRANDAO, H. de M.; EDWARDS, H. G. M.; OLIVEIRA, L. F. C. de. Synthesis, Vibrational Spectroscopic and Thermal Properties of Oxocarbon Cross - Linked Chitosan. Journal of the Brazilian Chemical Society, v. 26, n. 6, p. 1247-1256, 2015.| Biblioteca(s): Embrapa Gado de Leite. |
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| 58. | | SILVEIRA, P. M. da; STONE, L. F.; CAETANO, J. P. M.; CAETANO, M. M.; SARMENTO, P. H. L.; OLIVEIRA, L. F. C. de. Teores foliares de cálcio e boro no feijoeiro influenciados pelo tempo de molhamento da água de irrigação por pivô-central. Global Science and Technology, v. 13, n. 3, p. 36-40, 2020.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 60. | | NARCISO, M. G.; SILVA, S. C. da; NOLETO, F. F.; OLIVEIRA, M. G. de C.; OLIVEIRA, L. F. C. de; GUIMARÃES, E. P. Ferramenta Web para acesso aos períodos de semeadura de arroz de sequeiro e feijão comum. In: CONGRESSO BRASILEIRO DE AGROINFORMÁTICA, 11., 2017, Campinas. Ciência de dados na era da agricultura digital: anais. Campinas: Embrapa Informática Agropecuária: Unicamp, 2017. p. 439-448.| Biblioteca(s): Embrapa Arroz e Feijão. |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
12/12/2012 |
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Data da última atualização: |
09/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
DAEMON, E.; MONTEIRO, C. M. O.; MATURANO, R.; SENRA, T. O. S.; CALMON, F.; FAZA, A.; PRATA, M. C. de A.; GEORGOPOULOS, S. L.; OLIVEIRA, L. F. C. DE. |
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Afiliação: |
ERIK DAEMON, UFJF; CAIO MATOS DE OLIVEIRA MONTEIRO, UFRRJ; RALPH MATURANO, UFRRJ; TATIANE DE OLIVEIRA SOUZA SENRA, UFJF; FERNANDA CALMON, UFJF; ALINE FAZA, UFJF; MARCIA CRISTINA DE AZEVEDO PRATA, CNPGL; STEFANOS LEITE GEORGOPOULOS, UFJF; LUIZ FERNANDO CAPPA DE OLIVEIRA, UFJF. |
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Título: |
Spectroscopic evaluation of thymol dissolved by different methods and influence of acaricidal activity against larvae of rhipicephalus microplus (Acari: ixodidae). |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Parasitology Research, v. 111, n. 5, p. 1901-1906, 2012. |
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DOI: |
https://doi.org/10.1007/s00436-012-3033-4 |
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Idioma: |
Inglês |
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Conteúdo: |
The acaricidal activity of three thymol formulations was investigated at five concentrations (1.25, 2.5, 5.0, 7.5, and 10.0 mg/ml) on Rhipicephalus microplus larvae, and the behavior of its solubility in these formulations was analyzed. The thymol was dissolved in distilled water plus 1 % dimethylsulfoxide as adjuvant under two heating regimes (water bath in formulation 1 and hot plate in formulation 2) as well as without heating in 50 % ethanol and 50 % water (v/v). The acaricidal activity was assessed by the modified larval packet test, and the solubilization behavior was investigated by ultraviolet-visible spectroscopy, based on the Beer-Lambert law. With formulations 1 and 2, the mortality was greater than 95 % starting at the thymol concentrations of 5.0 and 7.5 mg/ml, respectively, while with formulation 3, this mortality level was reached starting at a concentration of 2.5 mg/ml, showing that the addition of ethanol in the solution enhanced the acaricidal action of thymol. This result was supported by the LC 90 values, which were 3.3, 2.4, and 1.6 mg/ml of thymol for formulations 1, 2, and 3, respectively. This result is related to the better solubility of thymol in the hydroethanolic formulation, since the spectroscopic analysis revealed that the thymol dissolved more completely in this formulation. This fact was evident once the R (2) obtained from the linear regression analysis of the relation absorbance × concentration of the formulations 1, 2, and 3 approached the optimal value (R (2) = 1) in the following sequence: 1, 2, and 3 (0.717, 0.901, and 0.968, respectively). MenosThe acaricidal activity of three thymol formulations was investigated at five concentrations (1.25, 2.5, 5.0, 7.5, and 10.0 mg/ml) on Rhipicephalus microplus larvae, and the behavior of its solubility in these formulations was analyzed. The thymol was dissolved in distilled water plus 1 % dimethylsulfoxide as adjuvant under two heating regimes (water bath in formulation 1 and hot plate in formulation 2) as well as without heating in 50 % ethanol and 50 % water (v/v). The acaricidal activity was assessed by the modified larval packet test, and the solubilization behavior was investigated by ultraviolet-visible spectroscopy, based on the Beer-Lambert law. With formulations 1 and 2, the mortality was greater than 95 % starting at the thymol concentrations of 5.0 and 7.5 mg/ml, respectively, while with formulation 3, this mortality level was reached starting at a concentration of 2.5 mg/ml, showing that the addition of ethanol in the solution enhanced the acaricidal action of thymol. This result was supported by the LC 90 values, which were 3.3, 2.4, and 1.6 mg/ml of thymol for formulations 1, 2, and 3, respectively. This result is related to the better solubility of thymol in the hydroethanolic formulation, since the spectroscopic analysis revealed that the thymol dissolved more completely in this formulation. This fact was evident once the R (2) obtained from the linear regression analysis of the relation absorbance × concentration of the formulations 1, 2, and 3 approached th... Mostrar Tudo |
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Thesaurus NAL: |
Rhipicephalus microplus. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02430naa a2200241 a 4500
001 1942271
005 2024-02-09
008 2012 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s00436-012-3033-4$2DOI
100 1 $aDAEMON, E.
245 $aSpectroscopic evaluation of thymol dissolved by different methods and influence of acaricidal activity against larvae of rhipicephalus microplus (Acari$bixodidae).$h[electronic resource]
260 $c2012
520 $aThe acaricidal activity of three thymol formulations was investigated at five concentrations (1.25, 2.5, 5.0, 7.5, and 10.0 mg/ml) on Rhipicephalus microplus larvae, and the behavior of its solubility in these formulations was analyzed. The thymol was dissolved in distilled water plus 1 % dimethylsulfoxide as adjuvant under two heating regimes (water bath in formulation 1 and hot plate in formulation 2) as well as without heating in 50 % ethanol and 50 % water (v/v). The acaricidal activity was assessed by the modified larval packet test, and the solubilization behavior was investigated by ultraviolet-visible spectroscopy, based on the Beer-Lambert law. With formulations 1 and 2, the mortality was greater than 95 % starting at the thymol concentrations of 5.0 and 7.5 mg/ml, respectively, while with formulation 3, this mortality level was reached starting at a concentration of 2.5 mg/ml, showing that the addition of ethanol in the solution enhanced the acaricidal action of thymol. This result was supported by the LC 90 values, which were 3.3, 2.4, and 1.6 mg/ml of thymol for formulations 1, 2, and 3, respectively. This result is related to the better solubility of thymol in the hydroethanolic formulation, since the spectroscopic analysis revealed that the thymol dissolved more completely in this formulation. This fact was evident once the R (2) obtained from the linear regression analysis of the relation absorbance × concentration of the formulations 1, 2, and 3 approached the optimal value (R (2) = 1) in the following sequence: 1, 2, and 3 (0.717, 0.901, and 0.968, respectively).
650 $aRhipicephalus microplus
700 1 $aMONTEIRO, C. M. O.
700 1 $aMATURANO, R.
700 1 $aSENRA, T. O. S.
700 1 $aCALMON, F.
700 1 $aFAZA, A.
700 1 $aPRATA, M. C. de A.
700 1 $aGEORGOPOULOS, S. L.
700 1 $aOLIVEIRA, L. F. C. DE
773 $tParasitology Research$gv. 111, n. 5, p. 1901-1906, 2012.
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