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Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil Brasil
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Boeger, Walter A.
; Valim, Michel P.
; Zaher, Hussam
; Rafael, José A.
; Forzza, Rafaela C.
; Percequillo, Alexandre R.
; Serejo, Cristiana S.
; Garraffoni, André R.S.
; Santos, Adalberto J.
; Slipinski, Adam
; Linzmeier, Adelita M.
; Calor, Adolfo R.
; Garda, Adrian A.
; Kury, Adriano B.
; Fernandes, Agatha C.S.
; Agudo-Padrón, Aisur I.
; Akama, Alberto
; Silva Neto, Alberto M. da
; Burbano, Alejandro L.
; Menezes, Aleksandra
; Pereira-Colavite, Alessandre
; Anichtchenko, Alexander
; Lees, Alexander C.
; Bezerra, Alexandra M.R.
; Domahovski, Alexandre C.
; Pimenta, Alexandre D.
; Aleixo, Alexandre L.P.
; Marceniuk, Alexandre P.
; Paula, Alexandre S. de
; Somavilla, Alexandre
; Specht, Alexandre
; Camargo, Alexssandro
; Newton, Alfred F.
; Silva, Aline A.S. da
; Santos, Aline B. dos
; Tassi, Aline D.
; Aragão, Allan C.
; Santos, Allan P.M.
; Migotto, Alvaro E.
; Mendes, Amanda C.
; Cunha, Amanda
; Chagas Júnior, Amazonas
; Sousa, Ana A.T. de
; Pavan, Ana C.
; Almeida, Ana C.S.
; Peronti, Ana L.B.G.
; Henriques-Oliveira, Ana L.
; Prudente, Ana L.
; Tourinho, Ana L.
; Pes, Ana M.O.
; Carmignotto, Ana P.
; Wengrat, Ana P.G. da Silva
; Dornellas, Ana P.S.
; Molin, Anamaria Dal
; Puker, Anderson
; Morandini, André C.
; Ferreira, André da S.
; Martins, André L.
; Esteves, André M.
; Fernandes, André S.
; Roza, André S.
; Köhler, Andreas
; Paladini, Andressa
; Andrade, Andrey J. de
; Pinto, Ângelo P.
; Salles, Anna C. de A.
; Gondim, Anne I.
; Amaral, Antonia C.Z.
; Rondón, Antonio A.A.
; Brescovit, Antonio
; Lofego, Antônio C.
; Marques, Antonio C.
; Macedo, Antonio
; Andriolo, Artur
; Henriques, Augusto L.
; Ferreira Júnior, Augusto L.
; Lima, Aurino F. de
; Barros, Ávyla R. de A.
; Brito, Ayrton do R.
; Romera, Bárbara L.V.
; Vasconcelos, Beatriz M.C. de
; Frable, Benjamin W.
; Santos, Bernardo F.
; Ferraz, Bernardo R.
; Rosa, Brunno B.
; Sampaio, Brunno H.L.
; Bellini, Bruno C.
; Clarkson, Bruno
; Oliveira, Bruno G. de
; Corrêa, Caio C.D.
; Martins, Caleb C.
; Castro-Guedes, Camila F. de
; Souto, Camilla
; Bicho, Carla de L.
; Cunha, Carlo M.
; Barboza, Carlos A. de M.
; Lucena, Carlos A.S. de
; Barreto, Carlos
; Santana, Carlos D.C.M. de
; Agne, Carlos E.Q.
; Mielke, Carlos G.C.
; Caetano, Carlos H.S.
; Flechtmann, Carlos H.W.
; Lamas, Carlos J.E.
; Rocha, Carlos
; Mascarenhas, Carolina S.
; Margaría, Cecilia B.
; Waichert, Cecilia
; Digiani, Celina
; Haddad, Célio F.B.
; Azevedo, Celso O.
; Benetti, Cesar J.
; Santos, Charles M.D. dos
; Bartlett, Charles R.
; Bonvicino, Cibele
; Ribeiro-Costa, Cibele S.
; Santos, Cinthya S.G.
; Justino, Cíntia E.L.
; Canedo, Clarissa
; Bonecker, Claudia C.
; Santos, Cláudia P.
; Carvalho, Claudio J.B. de
; Gonçalves, Clayton C.
; Galvão, Cleber
; Costa, Cleide
; Oliveira, Cléo D.C. de
; Schwertner, Cristiano F.
; Andrade, Cristiano L.
; Pereira, Cristiano M.
; Sampaio, Cristiano
; Dias, Cristina de O.
; Lucena, Daercio A. de A.
; Manfio, Daiara
; Amorim, Dalton de S.
; Queiroz, Dalva L. de
; Queiroz, Dalva L. de
; Colpani, Daniara
; Abbate, Daniel
; Aquino, Daniel A.
; Burckhardt, Daniel
; Cavallari, Daniel C.
; Prado, Daniel de C. Schelesky
; Praciano, Daniel L.
; Basílio, Daniel S.
; Bená, Daniela de C.
; Toledo, Daniela G.P. de
; Takiya, Daniela M.
; Fernandes, Daniell R.R.
; Ament, Danilo C.
; Cordeiro, Danilo P.
; Silva, Darliane E.
; Pollock, Darren A.
; Muniz, David B.
; Gibson, David I.
; Nogueira, David S.
; Marques, Dayse W.A.
; Lucatelli, Débora
; Garcia, Deivys M.A.
; Baêta, Délio
; Ferreira, Denise N.M.
; Rueda-Ramírez, Diana
; Fachin, Diego A.
; Souza, Diego de S.
; Rodrigues, Diego F.
; Pádua, Diego G. de
; Barbosa, Diego N.
; Dolibaina, Diego R.
; Amaral, Diogo C.
; Chandler, Donald S.
; Maccagnan, Douglas H.B.
; Caron, Edilson
; Carvalho, Edrielly
; Adriano, Edson A.
; Abreu Júnior, Edson F. de
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; Viegas, Eduarda F.G.
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; Santos, Eduardo F. dos
; Shimbori, Eduardo M.
; Suárez-Morales, Eduardo
; Arruda, Eliane P. de
; Chiquito, Elisandra A.
; Lima, Élison F.B.
; Castro, Elizeu B. de
; Orlandin, Elton
; Nascimento, Elynton A. do
; Razzolini, Emanuel
; Gama, Emanuel R.R.
; Araujo, Enilma M. de
; Nishiyama, Eric Y.
; Spiessberger, Erich L.
; Santos, Érika C.L. dos
; Contreras, Eugenia F.
; Galati, Eunice A.B.
; Oliveira Junior, Evaldo C. de
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; Schunck, Fabio
; Godoi, Fábio S. P. de
; Machado, Fabrizio M.
; Barbo, Fausto E.
; Agrain, Federico A.
; Ribeiro, Felipe B.
; Moreira, Felipe F.F.
; Barbosa, Felipe F.
; Silva, Fenanda S.
; Cavalcanti, Fernanda F.
; Straube, Fernando C.
; Carbayo, Fernando
; Carvalho Filho, Fernando
; Zanella, Fernando C.V.
; Jacinavicius, Fernando de C.
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; Leivas, Fernando
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; Mantellato, Fernando
; Vaz-de-Mello, Fernando Z.
; Gudin, Filipe M.
; Albuquerque, Flávio
; Molina, Flavio B.
; Passos, Flávio D.
; Shockley, Floyd W.
; Pinheiro, Francielly F.
; Mello, Francisco de A.G. de
; Nascimento, Francisco E. de L.
; Franco, Francisco L.
; Oliveira, Francisco L. de
; Melo, Francisco T. de V.
; Quijano, Freddy R.B.
; Salles, Frederico F.
; Biffi, Gabriel
; Queiroz, Gabriel C.
; Bizarro, Gabriel L.
; Hrycyna, Gabriela
; Leviski, Gabriela
; Powell, Gareth S.
; Santos, Geane B. dos
; Morse, Geoffrey E.
; Brown, George
; Mattox, George M.T.
; Zimbrão, Geraldo
; Carvalho, Gervásio S.
; Miranda, Gil F.G.
; Moraes, Gilberto J. de
; Lourido, Gilcélia M.
; Neves, Gilmar P.
; Moreira, Gilson R.P.
; Montingelli, Giovanna G.
; Maurício, Giovanni N.
; Marconato, Gláucia
; Lopez, Guilherme E.L.
; Silva, Guilherme L. da
; Muricy, Guilherme
; Brito, Guilherme R.R.
; Garbino, Guilherme S.T.
; Flores, Gustavo E.
; Graciolli, Gustavo
; Libardi, Gustavo S.
; Proctor, Heather C.
; Gil-Santana, Helcio R.
; Varella, Henrique R.
; Escalona, Hermes E.
; Schmitz, Hermes J.
; Rodrigues, Higor D.D.
; Galvão Filho, Hilton de C.
; Quintino, Hingrid Y.S.
; Pinto, Hudson A.
; Rainho, Hugo L.
; Miyahira, Igor C.
; Gonçalves, Igor de S.
; Martins, Inês X.
; Cardoso, Irene A.
; Oliveira, Ismael B. de
; Franz, Ismael
; Fernandes, Itanna O.
; Golfetti, Ivan F.
; S. Campos-Filho, Ivanklin
; Oliveira, Ivo de S.
; Delabie, Jacques H.C.
; Oliveira, Jader de
; Prando, Jadila S.
; Patton, James L.
; Bitencourt, Jamille de A.
; Silva, Janaina M.
; Santos, Jandir C.
; Arruda, Janine O.
; Valderrama, Jefferson S.
; Dalapicolla, Jeronymo
; Oliveira, Jéssica P.
; Hájek, Jiri
; Morselli, João P.
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; McHugh, Joe
; Cherem, Jorge J.
; Farias Júnior, José A.S.
; Fernandes, Jose A.M.
; Pacheco, José F.
; Birindelli, José L.O.
; Rezende, José M.
; Avendaño, Jose M.
; Duarte, José M. Barbanti
; Ribeiro, José R. Inácio
; Mermudes, José R.M.
; Pujol-Luz, José R.
; Santos, Josenilson R. dos
; Câmara, Josenir T.
; Teixeira, Joyce A.
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; Almeida, Julia C.
; Kohler, Julia
; Gonçalves, Julia P.
; Beneti, Julia S.
; Donahue, Julian P.
; Alvim, Juliana
; Almeida, Juliana C.
; Segadilha, Juliana L.
; Wingert, Juliana M.
; Barbosa, Julianna F.
; Ferrer, Juliano
; Santos, Juliano F. dos
; Kuabara, Kamila M.D.
; Nascimento, Karine B.
; Schoeninger, Karine
; Campião, Karla M.
; Soares, Karla
; Zilch, Kássia
; Barão, Kim R.
; Teixeira, Larissa
; Sousa, Laura D. do N.M. de
; Dumas, Leandro L.
; Vieira, Leandro M.
; Azevedo, Leonardo H.G.
; Carvalho, Leonardo S.
; Souza, Leonardo S. de
; Rocha, Leonardo S.G.
; Bernardi, Leopoldo F.O.
; Vieira, Letícia M.
; Johann, Liana
; Salvatierra, Lidianne
; Oliveira, Livia de M.
; Loureiro, Lourdes M.A. El-moor
; Barreto, Luana B.
; Barros, Luana M.
; Lecci, Lucas
; Camargos, Lucas M. de
; Lima, Lucas R.C.
; Almeida, Lucia M.
; Martins, Luciana R.
; Marinoni, Luciane
; Moura, Luciano de A.
; Lima, Luciano
; Naka, Luciano N.
; Miranda, Lucília S.
; Salik, Lucy M.
; Bezerra, Luis E.A.
; Silveira, Luis F.
; Campos, Luiz A.
; Castro, Luiz A.S. de
; Pinho, Luiz C.
; Silveira, Luiz F.L.
; Iniesta, Luiz F.M.
; Tencatt, Luiz F.C.
; Simone, Luiz R.L.
; Malabarba, Luiz R.
; Cruz, Luiza S. da
; Sekerka, Lukas
; Barros, Lurdiana D.
; Santos, Luziany Q.
; Skoracki, Maciej
; Correia, Maira A.
; Uchoa, Manoel A.
; Andrade, Manuella F.G.
; Hermes, Marcel G.
; Miranda, Marcel S.
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; Monné, Marcela L.
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; McElrath, Thomas C.
; Henry, Thomas
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; Porto, Tiago J.
; Krolow, Tiago K.
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; Tavares, Valeria
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; Amaral, Vanessa S. do
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; Wolff, Vera R. dos S.
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; Silva, Vinícius B. da
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; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
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; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
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; Mathis, Wayne N.
; Souza, Wesley de O.
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; Tomaszewska, Wioletta
; Wosiacki, Wolmar B.
; Ovando, Ximena M.C.
; Leite, Yuri L.R.
.
ABSTRACT The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others. publications problem uptodate up date classifications context exception (CTFB http//fauna.jbrj.gov.br/, httpfaunajbrjgovbr http //fauna.jbrj.gov.br/ , jbrj gov br (http://fauna.jbrj.gov.br/) 2015 Brazil 80 specialists 1 2024 133691 133 691 133,69 125138 125 138 125,13 82.3%, 823 82 3 (82.3% 102000 102 000 102,00 7.69%, 769 7 69 (7.69% 11000 11 11,00 . 3,567 3567 567 (3,56 2,292 2292 2 292 (2,29 1,833 1833 833 (1,83 1,447 1447 447 (1,44 1000 1,00 831 (83 628 (62 606 (60 520 (52 50 users science health biology law anthropology education others http//fauna.jbrj.gov.br/ faunajbrjgovbr //fauna.jbrj.gov.br (http://fauna.jbrj.gov.br/ 201 8 202 13369 13 133,6 12513 12 125,1 82.3% (82.3 10200 10 00 102,0 7.69% 76 6 (7.69 1100 11,0 3,56 356 56 (3,5 2,29 229 29 (2,2 1,83 183 83 (1,8 1,44 144 44 (1,4 100 1,0 (8 62 (6 60 52 (5 5 http//fauna.jbrj.gov.br (http://fauna.jbrj.gov.br 20 1336 133, 1251 125, 82.3 (82. 1020 0 102, 7.69 (7.6 110 11, 3,5 35 (3, 2,2 22 (2, 1,8 18 (1, 1,4 14 4 ( 82. (82 7.6 (7. 3, (3 2, (2 (1 7. (7
2.
How to determine the quality of a questionnaire according to the CONsensus-based Standards for the selection of health Measurement INstruments? A simplified guide to the measurement properties of assessment instruments - Part II: validity, responsiveness, interpretability and a checklist for characterizing the quality of instruments CONsensusbased CONsensus based INstruments II validity responsiveness
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Chaves, Thaís Cristina
; Lima, Thamiris Costa de
; Spavieri, Juliana H. Padilha
; Claudio, Ana Carolina de Jacomo
; Pereira, Roger Berg Rodrigues
; Lira, Mariana Romano de
.
ABSTRACT BACKGROUND AND OBJECTIVES: The type of questionnaire that aims to capture a patient’s perception/view of an aspect to be measured (e.g. pain intensity) is called Patient Reported Outcome Measure (PROM). One of the biggest challenges that clinicians and researchers often face is making a decision about which PROM to use for the assessment of their patient with pain, especially due to the lack of scientific literacy needed to understand the criteria and terms used in the field of measurement properties. Thus, the objectives of this study (part II) were: (I) to introduce basic concepts about PROMs with a focus on the terminology and criteria defined by the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) and (2) to describe the measurement properties of the validity, responsiveness and interpretability domains and propose a checklist for assessing the quality of PROMs’ measurement properties. METHODS: This study was produced using a search for articles from the COSMIN initiative. For didactic purposes, the text was divided into two parts. RESULTS: This article included a description of the measurement properties of the validity (content, structural, construct), responsiveness (must be assessed through accuracy analyses, AUC≥0.70) and interpretability (which provides the minimum clinically important change) domains. In addition, a checklist was proposed for determining the quality of the measurement properties of assessment instruments. CONCLUSION: This study described the measurement properties within the validity and responsiveness domains, and the importance of interpretability for obtaining the minimum clinically important difference. The proposed checklist for evaluating these properties can help clinicians and researchers to determine the quality of an instrument and make a decision about the best option available. OBJECTIVES patients s perceptionview perception view e.g. eg e g (e.g intensity PROM. . (PROM) Thus part II were I (I COnsensusbased COnsensus based (COSMIN 2 (2 METHODS initiative purposes parts RESULTS content, content (content structural construct, construct , construct) must analyses AUC≥0.70 AUC070 AUC 0 70 change addition instruments CONCLUSION difference available e.g (PROM ( AUC≥0.7 AUC07 7 AUC≥0. AUC0 AUC≥0 AUC≥
RESUMO JUSTIFICATIVA E OBJETIVOS: O tipo de questionário que pretende captar a percepção/visão de um paciente sobre um aspecto a ser medido (ex: intensidade da dor) é chamado de Instrumento de Medida Baseado no Relato do Paciente (Patient Reported Outcome Measure - PROM). Um dos maiores desafios que clínicos e pesquisadores costumam enfrentar é quanto a tomada de decisão sobre qual PROM utilizar para a avaliação de seu paciente com dor, especialmente devido à falta do letramento científico necessário para entender os critérios e termos empregados na área de propriedades de medida. Assim, os objetivos deste estudo (parte II) foram: (I) introduzir conceitos básicos sobre PROMs com enfoque na terminologia e critérios definidos através do COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN), e (2) descrever as propriedades de medida dos domínios validade, responsividade e interpretabilidade e propor um checklist para avaliação da qualidade das propriedades de medida de PROMs. MÉTODOS: Utilizando uma busca voltada para os artigos da iniciativa COSMIN, foi elaborado o presente estudo de revisão, que foi dividido em duas partes para fins didáticos. RESULTADOS: O presente artigo compreendeu a descrição das propriedades de medida dos domínios de validade (conteúdo, estrutural, construto), responsividade (deve ser avaliada através de análises de acurácia, AUC≥0,70) e interpretabilidade (que fornece a mínima mudança clinicamente importante). Além disso, foi proposto um checklist para determinação da qualidade das propriedades de medida de instrumentos de avaliação. CONCLUSÃO: Este estudo descreveu as propriedades de medida dentro dos domínios validade e responsividade, e a importância da interpretabilidade para a obtenção da mínima diferença clinicamente importante. O checklist proposto para avaliação dessas propriedades pode auxiliar clínicos e pesquisadores a determinarem a qualidade de um instrumento e tomar a decisão sobre a melhor opção disponível. OBJETIVOS percepçãovisão percepção visão ex (ex dor Patient PROM. . PROM) Assim parte II foram I (I COnsensusbased COnsensus based COSMIN , (COSMIN) 2 (2 MÉTODOS revisão didáticos RESULTADOS conteúdo, conteúdo (conteúdo estrutural construto, construto construto) deve acurácia AUC≥0,70 AUC070 AUC 0 70 importante importante) disso CONCLUSÃO disponível (COSMIN ( AUC≥0,7 AUC07 7 AUC≥0, AUC0 AUC≥0 AUC≥
3.
Importancia de Haematobia irritans en la ganadería bovina de México: Situación actual y perspectivas. Revisión
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Revista mexicana de ciencias pecuarias
- Métricas do periódico
Resumen La mosca de los cuernos Haematobia irritans es un ectoparásito hematófago cosmopolita de gran importancia en la ganadería. En México, H. irritans se distribuye por todo el país y se encuentra durante todo el año. La fluctuación de la población de H. irritans está relacionada con las condiciones climáticas. A pesar de su amplia distribución, los efectos sobre la salud animal y su impacto negativo en la producción de carne y leche, existen pocos datos sobre su infestación y su epidemiología es limitada. Este trabajo es una revisión sobre la situación actual de H. irritans en bovinos en México, su impacto económico, métodos de control, perspectivas y oportunidades de investigación.
Abstract The horn fly Haematobia irritans is a cosmopolitan hematophagous ectoparasite of great importance in livestock. In Mexico, H. irritans is distributed across the country, and is found during the whole year. The fluctuation of H. irritans population is related with climate conditions. Despite its wide distribution, the effects on animal health, and its negative impact on meat and milk production, little data exists on its infestation and epidemiology is limited. This paper is a review on the current situation of H. irritans in cattle in Mexico, its economic impact, control methods, perspectives, and research opportunities.
4.
A framework for closed-loop supply chain adoption by small, medium and micro enterprise fashion retailers in South Africa
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Southern African Journal of Entrepreneurship and Small Business Management
- Métricas do periódico
BACKGROUND: The implementation of closed-loop supply chain strategies is increasing as the focus grows on the sustainability challenges of the fashion industry. However, their implementation is more widely adopted and researched from the perspectives of larger retailers in developed economies outside of Africa, limiting the widespread applicability of their findings to stakeholders in developing countries such as South Africa. AIM: The study explored and proposed a decision support framework for the potential coordination of closed-loop supply chain strategies by small, medium and micro enterprise (SMME) fashion retailers in South Africa. SETTING: This research study was conducted in South Africa with stakeholders in the Western Cape, KwaZulu-Natal, Gauteng and Limpopo provinces. METHODS: This descriptive, qualitative research approach used purposive sampling, in the form of judgment sampling, to select 14 participants. The interviews were then transcribed and transferred to Nvivo™ software to identify and analyse themes within the data RESULTS: The findings revealed that while some SMMEs would consider or were already considering adopting closed-loop strategies, various challenges and limitations existed related to the sizes of their businesses, their restricted relationships with supply chain stakeholders and their operation in an African developing country. A decision support framework was established, which considers this context and could aid in the implementation of circular strategies by such retailers. CONCLUSION: Despite resource limitations, opportunities exist for SMME retailers to adopt closed-loop supply chains and become globally competitive, following international focus on accountability and sustainable consumption. The decision support framework is suitable for such stakeholders to facilitate collaborative efforts towards achieving end-to-end sustainability.
5.
An investigation of the 27 July 2018 bolide and meteorite fall over Benenitra, southwestern Madagascar
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Gibson, Roger L.
; Marais, Timothy
; Ashwal, Lewis D.
; Andriampenomanana, Fenitra
; Raveloson, Andriamiranto
; Ramanatsoa, Andry H.
; Laubenstein, Matthias
; Ziegler, Alexander
; Fuchsloch, Warrick C.
.
Several dozen stones of an ordinary chondrite meteorite fell in and around the town of Benenitra in southwestern Madagascar during the early evening of 27 July 2018, minutes after a widely observed meteor fireball (bolide) transit and detonation. The event was confirmed by low-frequency infrasound recordings received at ~17h15 UTC (Coordinated Universal Time; 19h15 local time) at the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO) infrasound station I33MG near Antananarivo, 542 km north-northeast of Benenitra. An energy release equivalent to 2.038 kt of TNT was calculated from the infrasound signals. Seismograph readings at the SKRH station 77 km north-northwest of Benenitra recorded a two-stage signal consistent with the arrivals of an initial air-coupled ground wave at 16h48:08 UTC and a stronger pulse at 16h49:22 UTC linked directly to the atmospheric pressure wave. The infrasound and seismic signal arrival times suggest that the bolide entry and detonation occurred at approximately 18h46 local time (16h46 UTC), entry was from the northwest, and the detonation hypocentre was located within ~20 km of Benenitra. Despite meteorite debris being found among buildings within Benenitra, there was no damage to structures or injuries reported. Eyewitness accounts and photographic records indicate that approximately 75 mostly intact stones were collected; however, the remoteness of the area, the rugged nature of the terrain and sales of fragments to meteorite collectors have limited scientific analysis of the fall and the extent of the strewn field. The total mass of recovered stones is estimated at between 20 kg and 30 kg, with one fragment of 11.2 kg and several of ~1 kg. Petrographic and mineral chemical analyses indicate that the stones belong to the L6 class of ordinary chondrites. Cosmogenic radionuclide analysis confirms that the fall is linked to the bolide event. The name Benenitra has been officially accepted by the Meteoritical Bulletin Database.SIGNIFICANCE: • Eyewitness reports, CTBTO infrasound records, seismograph records and cosmogenic radionuclide analysis confirm a meteorite fall over Benenitra on 27 July 2018. • Petrographic and geochemical analyses confirm that the meteorite is an L6 ordinary chondrite. • Recovery of meteorite falls is rare; this is Madagascar's second known meteorite fall and the first that can be linked to a bolide. • Regional and global science monitoring networks can be interrogated to improve the understanding of bolide events. • Interaction of scientists with local communities is important to dispel misunderstandings around scientific phenomena, and can improve collection of data.
https://doi.org/10.17159/sajs.2021/8200
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6.
Chemical Composition and Antioxidant Activity of Essential Oils from Populations of Baccharis dracunculifolia DC. in Southern Brazil
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Tomazzoli, Maíra Maciel
; Amaral, Wanderlei do
; Cipriano, Roger Raupp
; Tomasi, Jéssica de Cássia
; Gomes, Erik Nunes
; Ferriani, Aurea Portes
; Maia, Beatriz H. L. de Noronha Sales
; Deschamps, Cicero
.
Brazilian Archives of Biology and Technology
- Métricas do periódico
HIGHLIGHTS Essential oils from populations of B. dracunculifolia were investigated. β-pinene and (E)-nerolidol were the main compounds in B. dracunculifolia populations. The difference in the chemical profile of the essential oils is quantitative only. There is a negative correlation between the antioxidant activity and spathulenol.
https://doi.org/10.1590/1678-4324-2021190253
500 downloads
7.
Study of the Effect of Solvent on the Conductivity of Langmuir-Schaefer Films of Poly(Fullerene)s
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Roncaselli, Lucas K. M.
; Silva, Edilene A.
; Ramanitra, Hasina H.
; Stephen, Meera
; Simõis, André V. S.
; Bégué, Didier
; Agostini, Deuber Lincon Silva
; Hiorns, Roger C.
; Olivati, Clarissa A.
.
The present work aims to prepare and characterize very thin films of poly(fullerene)s in order to investigate their electrical properties and the influence of xylene and chloroform solvents on these materials. The fullerenes studied were phenyl-C61-butyric acid methyl ester (PCBM), oligo{(phenyl-C61-butyric acid methyl ester)-alt-[1,4-bis(bromomethyl)-2,5-bis(octyloxy)benzene]} (OPCBMMB) and poly{[bispyrrolidino(phenyl-C61-butyric acid methyl ester)]-alt-[2,5-bis(octyloxy) benzene]} (PPCBMB), along with poly(3-hexylthiophene) (P3HT). The Langmuir-Schaeffer technique was used to prepare films, which were deposited on interdigitated gold substrates, and electrically characterized, with emphasis on the study of transport, conductivity and mobility mechanisms with respect to the solvents used. We found that the addition of P3HT significantly increased the conductivity of these materials. The xylene cast PPCBM, in both pure and mixed forms under dark conditions, presented the best conductivity results with respect to the other materials. However, when chloroform was used, it was found that OPCBMMB in both pure and mixed forms under light, exhibited the best conductivities. This is the first treatment, to our knowledge, of the impact of solvents on the electronic properties of poly(fullerene)s.
https://doi.org/10.1590/1980-5373-mr-2021-0028
102 downloads
8.
Polyfullerene Thin Films Applied as NH3 Sensors
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Simõis, André Vítor Santos
; Roncaselli, Lucas Kaique Martins
; de Oliveira, Vinícius Jessé Rodrigues
; Medina, Maria Eduarda Rocha Santos
; Ramanitra, Hasina H.
; Stephen, M.
; Agostini, Deuber L. Silva
; Hiorns, Roger C.
; Olivati, Clarissa de Almeida
.
Fullerene is considered to be the third carbon allotrope after diamond and graphite. The study of fullerene derivatives has been growing due to their exceptional electron affinity. This work proposes th study of three different fullerene derivatives, being phenyl-C61-butyric acid methyl ester (PCBM), oligo {(phenyl-C61-butyric acid methyl ester)-alt-[1,4-bis(bromomethyl)-2,5-bis(octyloxy)benzene]} (OPCBMMB) and poly {[bispyrrolidino(phenyl-C61-butyric acid methyl ester)]-alt-[2,5-bis(octyloxy)benzene]} (PPCBMB), and their application as NH3 sensors. Experimental results showed that these materials have a reproducible response to NH3, with PCBM resulting in the highest observed current peak, followed by OPCBMMB and PPCBMB. These results imply that PCBM, OPCBMMB and PPCBMB can be used to produce NH3 sensors.
https://doi.org/10.1590/1980-5373-mr-2021-0435
30 downloads
9.
The heterologous expression of Escherichia coli MutT enzyme is involved in the protection against oxidative stress in Leishmania braziliensis
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Andrade, Laila de Carvalho
; Santi, Ana Maria Murta
; Alves, Ceres Luciana
; Ferreira, Wesley Roger Rodrigues
; de Assis, Antônio Vinícius
; Oliveira, Edward
; Machado, Carlos Renato
; Murta, Silvane Maria Fonseca
.
BACKGROUND Oxidative stress is responsible for generating DNA lesions and the 8-oxoguanine (8-oxoG) is the most commonly lesion found in DNA damage. When this base is incorporated during DNA replication, it could generate double-strand DNA breaks and cellular death. MutT enzyme hydrolyzes the 8-oxoG from the nucleotide pool, preventing its incorporation during DNA replication. OBJECTIVES To investigate the importance of 8-oxoG in Leishmania infantum and L. braziliensis, in this study we analysed the impact of heterologous expression of Escherichia coli MutT (EcMutT) enzyme in drug-resistance phenotype and defense against oxidative stress. METHODS Comparative analysis of L. braziliensis and L. infantum H2O2 tolerance and cell cycle profile were performed. Lines of L. braziliensis and L. infantum expressing EcMutT were generated and evaluated using susceptibility tests to H2O2 and SbIII, cell cycle analysis, γH2A western blotting, and BrdU native detection assay. FINDINGS Comparative analysis of tolerance to oxidative stress generated by H2O2 showed that L. infantum is more tolerant to exogenous H2O2 than L. braziliensis. In addition, cell cycle analysis showed that L. infantum, after treatment with H2O2, remains in G1 phase, returning to its normal growth rate after 72 h. In contrast, after treatment with H2O2, L. braziliensis parasites continue to move to the next stages of the cell cycle. Expression of the E. coli MutT gene in L. braziliensis and L. infantum does not interfere in parasite growth or in susceptibility to SbIII. Interestingly, we observed that L. braziliensis EcMutT-expressing clones were more tolerant to H2O2 treatment, presented lower activation of γH2A, a biomarker of genotoxic stress, and lower replication stress than its parental non-transfected parasites. In contrast, the EcMutT is not involved in protection against oxidative stress generated by H2O2 in L. infantum. MAIN CONCLUSIONS Our results showed that 8-oxoG clearance in L. braziliensis is important to avoid misincorporation during DNA replication after oxidative stress generated by H2O2.
https://doi.org/10.1590/0074-02760190469
701 downloads
10.
Effects of the inclusion of açai oil in diet of prepartum Holstein cows on milk production, somatic cell counts and future lactation
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SANTOS, DAIANE S. DOS
; KLAUCK, VANDERLEI
; SOUZA, CARINE F.
; BALDISSERA, MATHEUS D.
; THEISEN, CLEITON
; BORDIGNON, BRUNA
; ALBA, DAVI F.
; REIS, JOÃO H.
; GEBERT, ROGER R.
; VEDOVATTO, MARCELO
; SILVA, ALEKSANDRO S. DA
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract We measured the effects of açai oil in the diets of prepartum cows to evaluate health, milk production and quality. Sixteen Holstein cows were divided into two groups: SOY used as control, and AÇAI, test group. Occurred inclusion of 4% soybean or açai oils was provided in the concentrate starting at 20 days prepartum [d -20 to d 0 (partum-day)]. The AÇAI diet increased (P=0.01) milk production (d 10 and 20) and reduced somatic cell count (d 20). In milk, no effects were detected (P≥0.10) for concentration of fat, lactose or protein as well as in terms of serum concentration of calcium, albumin or triglycerides. AÇAI diet tended to increase (P=0.09) serum concentrations of total protein, glutathione transferase (d 4), and total antioxidant capacity (d 4 and 10) and increased (P≤0.05) globulin, gamma-glutamyl transferase, superoxide dismutase and glutathione peroxidase (d 4). Further, AÇAI diet reduced the serum concentration of creatine kinase (P≤0.05) (d 0, 4 and 10), reactive oxygen species (d 0 and 4) and lipoperoxidation (d 0) and tended to reduce aspartate transaminase activity (P=0.07; d 0 and 4). Açai oil in the diets in prepartum cows improved their health as well as milk production and quality.
https://doi.org/10.1590/0001-3765202020200149
476 downloads
11.
Gas exchange and fluorescence of Brosimum alicastrum
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Hernández-González, Olivia
; Vergara-Yoisura, Silvia
; Sulub-Tun, Roger
; Castillo-Chuc, José
; Larqué-Saavedra, Alfonso
.
SUMMARY: Gas exchange measurements were taken with an infrared gas analyzer (IRGA) and chlorophyll fluorescence with a modulated amplitude pulse fluorimeter (Mini-PAM) on fully developed leaves of ramon (Brosimum alicastrum Swartz) a tropical rainforest tree, grown in its natural habitat as to collect basic information of its physiological behavior. Data showed that maximum fixation of CO2 was 5 µmol m-2 s-1, photosynthetic efficiency was 0.67 while the photosystem II was found to saturate at a photonic flux density (PFD) of 500 µmol at 15 h. A high correlation was found between photosynthesis and transpiration. Highest water use efficiency occurred after 15 hours at a temperature of 30 °C, while chlorophyll levels remained constant. This is a shade tolerant, plant species thus it was found that initiates the photosynthetic process with low levels of light, presenting a light compensation point of 24 µmol m-2 s-1. In a parallel study, the same variables were measured in two sets of individuals of the same specie collected from two distant localities but growth in pots in the open. Photosynthetic variables of this plant species data showed very similar patterns. The results obtained suggest that, during the daylight hours and at higher temperatures, this species can carry out photosynthesis with high water use efficiency. Based on the results, the conclusion is that this plant species can adapt to a diversity of environmental conditions.
RESUMEN: Se realizaron mediciones de intercambio de gases con la ayuda de un analizador de gases en el infrarrojo (IRGA) y de fluorescencia de clorofilas con un fluorímetro de pulso de amplitud modulada (Mini-PAM) en hojas completamente desarrolladas del árbol del ramón (Brosimum alicastrum Swartz) en su hábitat natural para obtener información básica sobre su comportamiento fisiológico. Los resultados señalan que la máxima fijación de CO2 es de 5 µmol m-2 s-1, con una eficiencia fotosintética de 0.67 en tanto que el fotosistema II se satura con un flujo fotónico de 500 µmol a las 15 h. Se encontró una alta correlación entre fotosíntesis y transpiración. La máxima eficiencia fotosintética se detectó después de las 15 h a una temperatura de 30 °C, en tanto que los niveles de clorofila permanecieron constantes. Este árbol es una especie tolerante a la sombra por lo que el proceso de fotosíntesis se inicia a bajos niveles de luz, con un punto de compensación de luz a los 24 µmol m-2 s-1. En un estudio paralelo, las mismas variables fueron medidas en dos conjuntos de individuos de localidades muy distantes. Los patrones fotosintéticos fueron muy similares. Los resultados obtenidos sugieren que, durante el día a altas temperaturas, estos conjuntos desarrollan fotosíntesis con alta eficiencia de uso del agua. Basados en estos resultados se propone que esta especie puede adaptarse a diversas condiciones ambientales.
https://doi.org/10.28940/terra.v37i4.548
253 downloads
12.
Obtención de un ADN complementario que codifica una fructano 1-exohidrolasa en yacón, Smallanthus sonchifolius (Poepp. & Endl.) H. Robinson
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Yacon (Smallanthus sonchifolius) is an asteraceous plant native to the Andes that in recent years has received special attention for its nutritional and pharmacological properties. Its roots store fructans of inulin type with low degree of polymerization, also called fructooligosaccharides (FOS). The loss of FOS in the yacon reserve structures and the consequent decrease of its functional properties are directly related to the hydrolytic activity of the enzyme fructanexohydrolase (FEH). Yacon plants were obtained from the "Baños del Inca" experimental station, belonging to the National Institute of Agrarian Innovation (INIA). By examining four methods of extracting total RNA from the storage roots, better performance and quality were obtained with the modified CTAB method the designed primer sets and the RT-PCR technique generated overlapping fragments of the feh gene, as well as the 3'-end of the mRNA. The assembly of the fragments allowed to determine about 80 percent of the gene sequence and a 3’untranslated region. Construction of the phylogenetic showed a high degree of identity of the sequence with the 1-FEHs of: C. intybus (88.5 %), H. tuberosus (88.2 %), V. herbacea 86.5 %) and A. lappa (85 %)
El yacón es una planta asterácea originaria de los Andes que en los últimos años ha recibido especial atención por sus propiedades nutricionales y farmacológicas. Sus raíces almacenan fructanos de tipo inulina con bajo grado de polimerización, también llamados fructooligosacáridos (FOS). La pérdida de los FOS en las estructuras reservantes con la consecuente disminución de sus propiedades funcionales están relacionadas directamente con la actividad de la enzima fructanoexohidrolasa (FEH). Las plantas de yac ón fueron obtenidas de la estación experimental "Baños del Inca" perteneciente al Instituto Nacional de Innovación Agraria (INIA). Examinando cuatro métodos de extracción de RNA total a partir de las raíces reservantes, se obtuvo un mejor rendimiento y calidad con el método CTAB modificado. El juego de cebadores diseñados y la técnica de RT-PCR generaron fragmentos traslapados del gen feh, así como el extremo 3’ del ARNm. El ensamblaje de los fragmentos permitió determinar cerca del 80 por ciento de la secuencia del gen y la región no codificante del extremo 3’. La construcción del árbol filogenético mostró un alto grado de identidad de la secuencia con las 1-FEHs de: C. intybus (88,5 %), H. tuberosus (88,2 %), V. herbácea (86,5 %) y A. lappa (85 %)
13.
Health benefits of subcutaneous zinc edetate and diphenyl diselenide in calves during the weaning period
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SANTOS, DAIANE S. DOS
; BOITO, JHONATAN P.
; KLAUCK, VANDERLEI
; REIS, JOÃO H. DOS
; GEBERT, ROGER R.
; GLOMBOWSKY, PATRÍCIA
; BIAZUS, ANGELISA H.
; BOTTARI, NATHIELI B.
; SOUSA, REJANE S.
; MACHADO, GUSTAVO
; LEAL, MARTA L.R.
; BALDISSERA, MATHEUS D.
; BERWANGER, JEAN C.
; SILVA, ALEKSANDRO S. DA
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract: The aims of this study were to investigate whether treatments with zinc edetate (Zn) and diphenyl diselenide ((PhSe)2) enhance performance, immune responses, protein metabolism, and oxidant/antioxidant status in calf serum and muscle. Animals were divided into four groups (n=6 each): control (without supplementation), and groups supplemented on days 50 and 70 of life with (PhSe)2, Zn, and a combination of (PhSe)2 and Zn. Animals treated with (PhSe)2 gained more weight by experimental day 220 than did the control group, but there was no difference by the end of the experiment (day 300). The absolute number of leukocytes and lymphocytes increased in groups Zn and (PhSe)2+Zn on day 20 of experiment, but decreased on day 40 in groups (PhSe)2, and (PhSe)2+Zn. The number of monocytes decreased in all groups compared with control. One of the principal findings was that (PhSe)2+Zn together had beneficial effects on protein metabolism, represented by increases total protein and globulin levels, compared with the control group. The combination of (PhSe)2 and Zn led to low levels of TBARS and ROS in serum and muscle, and stimulated antioxidant enzyme activities. Thus, supplementation with (PhSe)2+Zn may be a compelling approach to augmenting the calf antioxidant system during weaning.
https://doi.org/10.1590/0001-3765201920171042
1416 downloads
14.
Variación biológica de Creatinina, Cistatina C y Tasa de Filtrado Glomerular Estimada a lo largo de 24 horas
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Hilderink, Judith M
; van der Linden, Noreen
; Kimenai, Dorien M
; Litjens, Elisabeth JR
; Klinkenberg, Lieke JJ
; Aref, Breshna M
; Aziz, Fahra
; Kooman, Jeroen P
; Rennenberg, Roger JMW
; Bekers, Otto
; Koopmans, Richard P
; Meex, Steven JR
.
Acta bioquímica clínica latinoamericana
- Métricas do periódico
Background: Estimated glomerular filtration rate (eGFR) is widely used in clinical practice. This study assessed the within-subject biological variation (CVI) of different eGFR equations in people with chronic kidney disease (CKD) and people without CKD. The aims of this study were (a) to determine the 24-h biological variation profiles of creatinine, cystatin C, and eGFR and (b) to determine whether CVI of creatinine, cystatin C, and eGFR changes on deterioration of glomerular filtration. Methods: Hourly blood samples were analyzed from 37 individuals (17 without CKD, 20 with CKD) during 24 h. Creatinine (enzymatic method) and cystatin C were measured using a Cobas 8000 (Roche Diagnostics). eGFR was estimated using the Modification of Diet in Renal Disease and the Chronic Kidney Disease Epidemiology Collaboration based on creatinine and/or cystatin C. Plasma samples were stored at -80 °C before analysis. Outlier and homogeneity analyses were checked before performing a nested ANOVA to determine biological variation. Results: CVI of creatinine was higher in people without CKD than in those with CKD (6.4% vs. 2.5%) owing primarily to the more profound effect of meat consumption on creatinine variability in individuals with lower baseline creatinine concentrations. Unlike creatinine, cystatin C concentrations were unaffected by meat consumption. Cystatin C showed some diurnal rhythmic variation and less in people with CKD. Reference change values (RCVs) of all eGFR equations were within 13% to 20% in both study groups. Conclusions: Despite differences in CVI of creatinine, the CVI and RCV of the eGFR equations were relatively similar for people with or without CKD.
Antecedentes: La tasa de filtración glomerular estimada (TFGe) es ampliamente utilizada en la práctica clínica. El presente estudio evaluó la variación biológica intraindividual (CVI) de diferentes ecuaciones de TFGe en sujetos con enfermedad renal crónica (ERC) y sin ERC. Los objetivos de este estudio fueron (a) determinar los perfiles de variación biológica durante 24 horas de creatinina, cistatina C y TFGe y (b) determinar si el CVI de la creatinina, la cistatina C y la TFGe cambia el deterioro de la filtración glomerular. Métodos: Se analizaron muestras de sangre cada hora de 37 individuos (17 sin ERC, 20 con ERC) durante 24 h. La creatinina (método enzimático) y la cistatina C se midieron usando un Cobas 8000 (Roche Diagnostics). La TFGe se estimó utilizando la Modificación de la Dieta en la Enfermedad Renal y la Colaboración de Epidemiología de la Enfermedad Renal Crónica basada en creatinina y/o cistatina C. Las muestras de plasma se almacenaron a -80 °C antes del análisis. Se verificaron los análisis de valores atípicos y de homogeneidad antes de realizar un ANOVA anidado para determinar la variación biológica. Resultados: La CVI de creatinina fue más alta en sujetos sin ERC que en aquellos con ERC (6.4% frente a 2.5%) debido principalmente al efecto más marcado del consumo de carne sobre la variabilidad de creatinina en individuos con concentraciones iniciales de creatinina más bajas. A diferencia de la creatinina, las concentraciones de cistatina C no se vieron afectadas por el consumo de carne. La cistatina C mostró alguna variación rítmica diurna y menor en los sujetos con ERC. Los valores de referencia del cambio (VCR) de todas las ecuaciones de TFGe estuvieron dentro del 13% al 20% en ambos grupos de estudio. Conclusiones: A pesar de las diferencias en el CVI de la creatinina, el CVI y el VRC de las ecuaciones de TFGe fueron relativamente similares para los sujetos con o sin ERC.
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Insecticidal and repellent effect of cinnamon oil on flies associated with livestock
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Boito, Jhonatan P.
; Da Silva, Aleksandro S.
; dos Reis, João H.
; Santos, Daiane S.
; Gebert, Roger R.
; Biazus, Angelisa H.
; Santos, Roberto C.V.
; Quatrin, Priscilla M.
; Ourique4, Aline F
; Boligon, Aline A.
; Baretta, Dilmar
; Baldissera, Matheus D.
; Stefani, Lenita M.
; Machado, Gustavo
.
Resumen Objetivo. Debido a la mayor resistencia parásita, hay una necesidad de explorar insecticidas alternativos, incluidos los productos naturales, tales como aceites esenciales. En este sentido, el objetivo de este estudio fue evaluar, para el primer equipo, el efecto insecticida y repelente de Cinnamomum zeylanicum (formas libres y nanoemulsión) in vitro e in vivo. Materiales y métodos. Para ello, el efecto insecticida de la forma libre se ensayó a 1.0, 5.0 y 10%, mientras que la forma nanoemulsión se ensayó a 0.5, 1.0 y 5.0% frente a las moscas domésticas adultas, Musca domestica. Para la validación de la prueba, las moscas fueron rociados con el diluyente (agua y triton 10%) y con nanoemulsión en blanco (sin aceite esencial de C. zeylanicum). También, fueron realizados pruebas in vivo usando vacas naturalmente infestadas con Haemotobia irritans. Resultados. Los resultados demostraron que el aceite de canela (10%) y la nanoemulsión (5%) fueron 100% eficaz contra M. domestica después de 90 minutos de exposición. El efecto repelente se ensayó in vivo usando 5% de aceite de canela en vacas Holstein, naturalmente infestados por Haemotobia irritans. Se contaron las moscas a las 0, 1, 2, 3, 9 y 24 h después del tratamiento el aceite de canela. Se verificó disminución significativa (p<0.05) en el número de moscas vivas de vacas canela pulverizada en todo momento. Conclusiones. En base a estos resultados, C. zeylanicum mostró un efecto insecticida (in vitro) contra las moscas domésticas y efecto repelente (in vivo) contra la mosca de los cuernos.
Abstract Objective. Due to the increased parasitic resistance, there is a need to explore alternative insecticides, including natural products, such essential oils. In this sense, the aim of this study was to evaluate, for the first time, the insecticidal and repellent effect of Cinnamomun zeylanicum (free and nanoemulsion forms) in vitro and in vivo. Materials and methods. For that, the insecticidal effect of the free form was tested at 1.0, 5.0 and 10%, while the nanoemulsion form was tested at 0.5, 1.0 and 5.0% against adult house flies, Musca domestica. For validation of the test, the flies were sprayed with the diluent (water and triton 10%) and with blank nanoemulsion (without C. zeylanicum essential oil). Moreover, in vivo test was performed using cows naturally infested with Haemotobia irritans. Results. The results demonstrated that cinnamon oil (10%) and the nanoemulsion (5%) were 100% effective against M. domestica after 90 minutes of exposure. The repellent effect was tested in vivo using 5% of cinnamon oil on Holstein cows naturally infested by Haemotobia irritans. The flies were counted at 0, 1, 2, 3, 9 and 24 h after cinnamon oil treatment. It was verified significant decrease (p<0.05) in the number of flies on cows sprayed with cinnamon in all times. Conclusions. Based on these results, C. zeylanicum showed insecticidal effect (in vitro) against domestic flies and repellent effect (in vivo) against the horn fly.
https://doi.org/10.21897/rmvz.1337
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