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Soybean grown in lowland rice areas to reduce weed infestation
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Cardoso, Filipe C.
; Schelter, Mayra L.
; Jastrombek, Jessiane M.
; Silva, Leonardo M. da C.
; Ambrasson, Anderson G.
; Guerra, Naiara
; Oliveira Neto, Antonio M. de
.
Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT Lowland rice in Santa Catarina (SC), Brazil, is grown as a sole crop, which has aggravated problems with weeds. In this context, the objective of this study was to evaluate the efficacy of weed management systems in soybean crops to decrease weed infestation in lowland rice production areas, using pre- and post-emergence herbicides. The experiment was conducted in Turvo, SC, from August 2021 to April 2022. A randomized block design with four replications was used, in a 6 × 5 factorial arrangement. The factors consisted of six pre-emergence herbicides treatments (S-metolachlor, diclosulam, sulfentrazone, sulfentrazone + diuron, pyroxasulfone + flumioxazin, and a control without herbicide), and five post-emergence herbicide treatments: control without herbicide, glyphosate at two rates (930 and 1,550 g a.e. ha-1), applied alone or in combination with clethodim. The herbicide sulfentrazone caused persistent phytotoxicity and resulted in the lowest soybean grain yield. The herbicide S-metolachlor was ineffective in controlling weed species, except barnyard grass, even when combined with post-emergence application. The poor control of these weed species does not result in significant interference, causing no significant decreases in grain yield of soybean crops grown in floodplain soils. The use of S-metolachlor, diclosulam, and pyroxasulfone + flumioxazin, combined with post-emergence application of glyphosate (930 g a.e. ha-1), resulted in highly effective control of barnyard grass, inhibiting weed seed production. Only the combination of glyphosate (1,550 g a.e. ha-1) with clethodim can suppress barnyard grass seed production without using pre-emergence herbicides. SC , (SC) Brazil crop weeds context areas pre postemergence post emergence Turvo 202 2022 used arrangement preemergence Smetolachlor, Smetolachlor S metolachlor, metolachlor (S-metolachlor diclosulam diuron flumioxazin herbicide) 930 (93 1550 1 550 1,55 ae e a.e ha1, ha1 ha interference soils (1,55 ha-1 (SC 20 93 (9 155 55 1,5 (1,5 ha- 2 9 ( 15 1, (1, (1
RESUMO O arroz irrigado em Santa Catarina é cultivado em monocultivo, o que tem agravado os problemas com plantas daninhas. Deste modo, o objetivo deste estudo foi avaliar a eficiência de sistemas de manejo de plantas daninhas na cultura da soja sobre a redução da infestação de plantas daninhas em uma área de produção de arroz irrigado, utilizando para isso herbicidas em pré e/ou pós-emergência da soja. O experimento foi conduzido no município de Turvo - SC no período de agosto de 2021 a abril de 2022. Utilizou-se o delineamento de blocos casualizados com tratamentos organizados em esquema fatorial 6 × 5, com quatro repetições. O fator A constou de seis tratamentos aplicados em pré-emergência, os herbicidas utilizados foram: S-metolachlor, diclosulam, sulfentrazone, sulfentrazone + diuron, pyroxasulfone + flumioxazin, além de uma testemunha sem herbicida. Já o fator B constou de cinco tratamentos aplicados em pós-emergência: testemunha sem herbicida, gyphosate em duas doses (930 e 1550 g e.a. ha-1), aplicadas de forma isoladas ou em associação com clethodim. O herbicida S-metolachlor foi ineficiente para o controle de outras plantas daninhas, mesmo quando combinado com a aplicação em pós-emergência. O controle deficiente destas espécies não resulta em significativa interferência, não causando decréscimo na produtividade de grãos da soja, em ambientes de terras baixas. O uso dos herbicidas S-metolachlor, diclosulam e pyroxasulfone + flumioxazin, combinados com a aplicação em pós-emergência de glyphosate (930 g e.a. ha-1) resultou em controle eficiente de capim-arroz e inibiu a produção de sementes. Apenas a associação de glyphosate (1550 g e.a. ha-1) com clethodim suprimiu a produção de sementes de capim-arroz, sem a aplicação de herbicidas em pré-emergência. monocultivo modo eou pósemergência pós emergência 202 2022 Utilizouse Utilizou se 5 repetições préemergência, préemergência emergência, pré-emergência foram Smetolachlor, Smetolachlor S metolachlor, metolachlor diuron flumioxazin 930 (93 155 ea e.a ha1, ha1 ha 1 , pósemergência. emergência. interferência baixas ha-1 capimarroz capim (155 capimarroz, arroz, préemergência. 20 93 (9 15 ha- (15 2 9 ( (1
2.
INIBIDORES DO FOTOSSISTEMA II: UMA PERSPECTIVA ALELOQUÍMICA II
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Silva, Anthony da
; Souza, Jéssica M. de
; Pádua, Geilly Mara S. de
; Santos, Arielly Celestino Rodrigues
; Vasconcelos, Leonardo G. de
; Dall’Óglio, Evandro Luiz
; Bellete, Barbara S.
; Veiga, Thiago André M.
; Vieira, Lucas C. C.
; Sampaio, Olívia M.
.
The process of photosynthesis involves the absorption of light energy by photosynthetic pigments found in the thylakoid membrane of chloroplasts in order to produce chemical energy. In the presence of photosynthetic inhibitors, plant development is affected mainly by the reduction of the electron chain, which leads to growth inhibition. In this context, chlorophyll a (Chl a) fluorescence is an important technique used to identify the effects of inhibitors on the photosynthetic apparatus employing the JIP-test, which correlates the Chl a fluorescence transient to biophysical parameters, providing valuable information about the efficiency of photosystems I and II. Natural products have been highlighted as photosynthesis inhibitors due to the continued use of synthetic herbicides, which leads to the development of invasive plants resistant to these pesticides, in addition to the toxicity caused to humans and the environment. Thus, this review describes the main applications of extracts and isolated secondary metabolites obtained from plants and microorganisms in the investigation of electron transport inhibition on photosystem II. chain context JIPtest, JIPtest JIP test, test JIP-test parameters II herbicides pesticides environment Thus
3.
Early selection of resilient progenies to seed yield in soybean populations
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Port, Eduarda Donadel
; Carvalho, Ivan Ricardo
; Pradebon, Leonardo Cesar
; Loro, Murilo Vieira
; Colet, Christiane de Fátima
; Silva, José Antonio Gonzalez da
; Sausen, Natalia Hinterholz
.
ABSTRACT: This study carried out early selection of soybean progenies that are productive and resilient to environmental conditions. The experiment took place at the Genetic Breeding Program of UNIJUI (University of the Northwest of the State of Rio Grande do Sul), located in Ijuí - RS, Brazil. The experiment used augmented blocks design with interim checks. The regular treatments correspond to 24 soybean F2 populations and the common treatments were 18 commercial checks, arranged in four replications. At full physiological maturity, in each experimental unit, five plants were randomly collected to obtain seed weight per plant (SWP, g). The Jinks and Pooni methodology was used to calculate the probability of extracting superior lineages from the evaluated populations. The best control and promising cultivars to compose the parent bank are BMX FORÇA RR, FUNDACEP 66 RR and TMG 7062 IPRO. Jinks and Pooni’s methodology identified populations IRC001, IRC002, IRC017, IRC019, IRC028, IRC030, IRC032, IRC033, IRC035, IRC036, IRC039 and IRC040 as having high potential for extraction of superior lineages. ABSTRACT conditions University Sul, Sul , Sul) RS Brazil checks 2 F 1 replications maturity unit SWP, SWP (SWP g. g . g) 6 706 IPRO Poonis s IRC001 IRC IRC002 IRC017 IRC019 IRC028 IRC030 IRC032 IRC033 IRC035 IRC036 IRC03 IRC04 70 IRC00 IRC01 IRC02 IRC0 7
RESUMO: O objetivo desse estudo foi realizar a seleção precoce de progênies de soja produtivas e resilientes às condições ambientais. O experimento foi realizado no Programa de Melhoramento Genético da Universidade do Noroeste do Estado do Rio Grande do Sul (UNIJUI), localizado em Ijuí, Rio Grande do Sul, Brasil. Foi utilizado o delineamento incompleto de blocos aumentados com testemunhas intercalares. Os tratamentos regulares correspondem a 24 populações de soja F2 e os tratamentos comuns foram 18 testemunhas comerciais, arranjadas em quatro repetições. Em plena maturidade fisiológica, em cada unidade experimental, cinco plantas foram coletadas aleatoriamente para obtenção do peso de sementes por plantas. Utilizou-se a metodologia de Jinks e Pooni para calcular a probabilidade de extração de linhagens superiores das populações avaliadas. As cultivares de melhor controle e promissoras para compor o banco parental foram BMX FORÇA RR, FUNDACEP 66 RR e TMG 7062 IPRO. A metodologia de Jinks e Pooni identificou as populações IRC001, IRC002, IRC017, IRC019, IRC028, IRC030, IRC032, IRC033 IRC035, IRC036, IRC039, e IRC040 como de alto potencial para extração de linhagens superiores. RESUMO ambientais UNIJUI, UNIJUI , (UNIJUI) Ijuí Brasil intercalares 2 F 1 comerciais repetições fisiológica experimental Utilizouse Utilizou se avaliadas 6 706 IPRO IRC001 IRC IRC002 IRC017 IRC019 IRC028 IRC030 IRC032 IRC03 IRC035 IRC036 IRC039 IRC04 (UNIJUI 70 IRC00 IRC01 IRC02 IRC0 7
4.
Morphological comparison of the larynx and trachea of Chelonia mydas (Linnaeus, 1758), Caiman yacare (Daudin, 1802) and Caiman latirostris (Daudin, 1802) Linnaeus, Linnaeus (Linnaeus 1758, 1758 , 1758) Daudin, Daudin (Daudin 1802 175 180 17 18 1
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LIMA, MARIANA O.
; GORZA, LEONARDO L.
; BORGES, EDUARDO JOSÉ S.
; PAULA, VIVIANE T. DE
; NUNES, LOUISIANE C.
; NÓBREGA, YHURI C.
; FIGUEIREDO, RODRIGO G.
; SILVA, MARIA APARECIDA DA
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract The larynx is in the lower respiratory tract and has the function of protecting the airways, controlling, and modulating breathing, assisting the circulatory system, and vocalizing. This study aims to describe the anatomy and histology of the skeleton of the larynx and trachea of the species Chelonia mydas, Caiman yacare and Caiman latirostris. The study was conducted at the Federal University of Espírito Santo (UFES), using nine specimens of Ch. mydas, 20 of Ca. yacare and four of Ca. latirostris. Samples of the larynx and trachea were collected, fixed, and sent for dissection of the structures and subsequent macroscopic analysis. For histology, samples were processed by the routine paraffin embedding method and stained with hematoxylin-eosin and Verhoeff. For the three species, two arytenoid cartilages, a cricoid cartilage, a hyoid apparatus composed of a base and two horns were found. In Ch. mydas, two structures called thyroid wings were observed, not found in crocodilians. The trachea of crocodilians presented incomplete tracheal rings and musculature, while the trachea of Ch. mydas presented complete tracheal rings. Histologically, the entire cartilaginous skeleton of the larynx of the three species, as well as the tracheal rings, are constituted by hyaline cartilage. airways controlling breathing system vocalizing latirostris UFES, UFES , (UFES) Ch 2 Ca collected fixed analysis hematoxylineosin hematoxylin eosin Verhoeff cartilages cartilage observed musculature Histologically (UFES
5.
Evaluation of Nitrogen-Doped Adsorbents Based on Reduced Graphene Oxide as Platforms for CO2 Capture NitrogenDoped Nitrogen Doped CO
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Ribeiro, Matheus G.
; Bessa, Isabela A. A.
; Silva, Aline F. M. da
; Ligiero, Carolina B. P
; Osta, Leonardo O.
; Silva, Ludmila P C.
; Araujo, Joyce R.
; Archanjo, Bráulio S.
; Ronconi, Célia M.
; Santos, Thiago C. dos
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
CO2 emissions into the atmosphere have been rapidly rising due to human activities, resulting in the escalation of global warming. To mitigate climate change, it is imperative to develop materials for CO2 capture with high CO2 capacity and low production costs. Herein, we developed a facile method to obtain adsorbents based on reduced graphene oxide (rGO) sheets, NrGO(1 – X)700, where X represents the mass of diethylenetriamine (DETA) (X = 1, 2 and 4 g) used in the preparation. The materials NrGO(1 – 1)700, NrGO (1 – 2)700, and NrGO(1 – 4)700 were obtained from graphene oxide dispersions, followed by DETA impregnation and chemical activation with K2CO3. N2 isotherms demonstrated that the materials simultaneously presented micro and mesopores with similar values of specific surface area (280.16 to 310.32 m2 g–1), pore volume (0.26 to 0.28 cm3 g–1) and pore size (3.78 to 3.80 nm). CO2 sorption experiments revealed that the material NrGO(1 – 4)700, containing the highest amount of pyridinic, graphitic, and amino nitrogen functionalities, showed the best CO2 adsorption capacity. Diffuse reflectance Fourier transformed infrared spectroscopy experiments indicated stronger solid-gas interactions for NrGO(1 – 4)700 than for the other materials. CO activities warming change costs Herein rGO (rGO sheets NrGO1 1 NrGO( X700, X700 700, 700 X)700 (DETA g preparation 1700, 1700 1)700 ( 2700, 2700 2)700 4700 4)70 dispersions K2CO3 KCO K N 280.16 28016 280 16 (280.1 31032 310 32 310.3 m g–1, g1 g–1 , 0.26 026 0 26 (0.2 028 28 0.2 cm 3.78 378 3 78 (3.7 380 80 3.8 nm. nm . nm) 4700, pyridinic graphitic functionalities solidgas solid gas X70 70 X)70 170 1)70 270 2)70 470 4)7 K2CO 280.1 2801 (280. 3103 31 310. g– 02 (0. 0. 3.7 37 7 (3. 38 8 3. X7 X)7 17 1)7 27 2)7 47 4) 280. (280 (0 (3 X) 1) 2) (28 (2
6.
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
; Pereira, Edson H.L.
; Viegas, Eduarda F.G.
; Carneiro, Eduardo
; Colley, Eduardo
; Eizirik, Eduardo
; 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
; Gallardo, Fabiana
; Hernandes, Fabio A.
; Lansac-Tôha, Fábio A.
; Pitombo, Fabio B.
; Dario, Fabio Di
; Santos, Fábio L. dos
; Mauro, Fabio
; Nascimento, Fabio O. do
; Olmos, Fabio
; Amaral, Fabio R.
; 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.
; Farache, Fernando H.A.
; Leivas, Fernando
; Dias, Fernando M.S.
; 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.
; Narita, João P.
; Martin, João P.I.
; Grazia, Jocélia
; 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.
; Prado, Joyce R. do
; Botero, Juan P.
; 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.
; Araújo, Marcel S. de
; Monné, Marcela L.
; Labruna, Marcelo B.
; Santis, Marcelo D. de
; Duarte, Marcelo
; Knoff, Marcelo
; Nogueira, Marcelo
; Britto, Marcelo R. de
; Melo, Marcelo R.S. de
; Carvalho, Marcelo R. de
; Tavares, Marcelo T.
; Kitahara, Marcelo V.
; Justo, Marcia C.N.
; Botelho, Marcia J.C.
; Couri, Márcia S.
; Borges-Martins, Márcio
; Felix, Márcio
; Oliveira, Marcio L. de
; Bologna, Marco A.
; Gottschalk, Marco S.
; Tavares, Marcos D.S.
; Lhano, Marcos G.
; Bevilaqua, Marcus
; Santos, Marcus T.T.
; Domingues, Marcus V.
; Sallum, Maria A.M.
; Digiani, María C.
; Santarém, Maria C.A.
; Nascimento, Maria C. do
; Becerril, María de los A.M.
; Santos, Maria E.A. dos
; Passos, Maria I. da S. dos
; Felippe-Bauer, Maria L.
; Cherman, Mariana A.
; Terossi, Mariana
; Bartz, Marie L.C.
; Barbosa, Marina F. de C.
; Loeb, Marina V.
; Cohn-Haft, Mario
; Cupello, Mario
; Martins, Marlúcia B.
; Christofersen, Martin L.
; Bento, Matheus
; Rocha, Matheus dos S.
; Martins, Maurício L.
; Segura, Melissa O.
; Cardenas, Melissa Q.
; Duarte, Mércia E.
; Ivie, Michael A.
; Mincarone, Michael M.
; Borges, Michela
; Monné, Miguel A.
; Casagrande, Mirna M.
; Fernandez, Monica A.
; Piovesan, Mônica
; Menezes, Naércio A.
; Benaim, Natalia P.
; Reategui, Natália S.
; Pedro, Natan C.
; Pecly, Nathalia H.
; Ferreira Júnior, Nelson
; Silva Júnior, Nelson J. da
; Perioto, Nelson W.
; Hamada, Neusa
; Degallier, Nicolas
; Chao, Ning L.
; Ferla, Noeli J.
; Mielke, Olaf H.H.
; Evangelista, Olivia
; Shibatta, Oscar A.
; Oliveira, Otto M.P.
; Albornoz, Pablo C.L.
; Dellapé, Pablo M.
; Gonçalves, Pablo R.
; Shimabukuro, Paloma H.F.
; Grossi, Paschoal
; Rodrigues, Patrícia E. da S.
; Lima, Patricia O.V.
; Velazco, Paul
; Santos, Paula B. dos
; Araújo, Paula B.
; Silva, Paula K.R.
; Riccardi, Paula R.
; Garcia, Paulo C. de A.
; Passos, Paulo G.H.
; Corgosinho, Paulo H.C.
; Lucinda, Paulo
; Costa, Paulo M.S.
; Alves, Paulo P.
; Roth, Paulo R. de O.
; Coelho, Paulo R.S.
; Duarte, Paulo R.M.
; Carvalho, Pedro F. de
; Gnaspini, Pedro
; Souza-Dias, Pedro G.B.
; Linardi, Pedro M.
; Bartholomay, Pedro R.
; Demite, Peterson R.
; Bulirsch, Petr
; Boll, Piter K.
; Pereira, Rachel M.M.
; Silva, Rafael A.P.F.
; Moura, Rafael B. de
; Boldrini, Rafael
; Silva, Rafaela A. da
; Falaschi, Rafaela L.
; Cordeiro, Ralf T.S.
; Mello, Ramon J.C.L.
; Singer, Randal A.
; Querino, Ranyse B.
; Heleodoro, Raphael A.
; Castilho, Raphael de C.
; Constantino, Reginaldo
; Guedes, Reinaldo C.
; Carrenho, Renan
; Gomes, Renata S.
; Gregorin, Renato
; Machado, Renato J.P.
; Bérnils, Renato S.
; Capellari, Renato S.
; Silva, Ricardo B.
; Kawada, Ricardo
; Dias, Ricardo M.
; Siewert, Ricardo
; Brugnera, Ricaro
; Leschen, Richard A.B.
; Constantin, Robert
; Robbins, Robert
; Pinto, Roberta R.
; Reis, Roberto E. dos
; Ramos, Robson T. da C.
; Cavichioli, Rodney R.
; Barros, Rodolfo C. de
; Caires, Rodrigo A.
; Salvador, Rodrigo B.
; Marques, Rodrigo C.
; Araújo, Rodrigo C.
; Araujo, Rodrigo de O.
; Dios, Rodrigo de V.P.
; Johnsson, Rodrigo
; Feitosa, Rodrigo M.
; Hutchings, Roger W.
; Lara, Rogéria I.R.
; Rossi, Rogério V.
; Gerstmeier, Roland
; Ochoa, Ronald
; Hutchings, Rosa S.G.
; Ale-Rocha, Rosaly
; Rocha, Rosana M. da
; Tidon, Rosana
; Brito, Rosangela
; Pellens, Roseli
; Santos, Sabrina R. dos
; Santos, Sandra D. dos
; Paiva, Sandra V.
; Santos, Sandro
; Oliveira, Sarah S. de
; Costa, Sávio C.
; Gardner, Scott L.
; Leal, Sebastián A. Muñoz
; Aloquio, Sergio
; Bonecker, Sergio L.C.
; Bueno, Sergio L. de S.
; Almeida, Sérgio M. de
; Stampar, Sérgio N.
; Andena, Sérgio R.
; Posso, Sergio R.
; Lima, Sheila P.
; Gadelha, Sian de S.
; Thiengo, Silvana C.
; Cohen, Simone C.
; Brandão, Simone N.
; Rosa, Simone P.
; Ribeiro, Síria L.B.
; Letana, Sócrates D.
; Santos, Sonia B. dos
; Andrade, Sonia C.S.
; Dávila, Stephane
; Vaz, Stéphanie
; Peck, Stewart B.
; Christo, Susete W.
; Cunha, Suzan B.Z.
; Gomes, Suzete R.
; Duarte, Tácio
; Madeira-Ott, Taís
; Marques, Taísa
; Roell, Talita
; Lima, Tarcilla C. de
; Sepulveda, Tatiana A.
; Maria, Tatiana F.
; Ruschel, Tatiana P.
; Rodrigues, Thaiana
; Marinho, Thais A.
; Almeida, Thaís M. de
; Miranda, Thaís P.
; Freitas, Thales R.O.
; Pereira, Thalles P.L.
; Zacca, Thamara
; Pacheco, Thaynara L.
; Martins, Thiago F.
; Alvarenga, Thiago M.
; Carvalho, Thiago R. de
; Polizei, Thiago T.S.
; McElrath, Thomas C.
; Henry, Thomas
; Pikart, Tiago G.
; Porto, Tiago J.
; Krolow, Tiago K.
; Carvalho, Tiago P.
; Lotufo, Tito M. da C.
; Caramaschi, Ulisses
; Pinheiro, Ulisses dos S.
; Pardiñas, Ulyses F.J.
; Maia, Valéria C.
; Tavares, Valeria
; Costa, Valmir A.
; Amaral, Vanessa S. do
; Silva, Vera C.
; Wolff, Vera R. dos S.
; Slobodian, Verônica
; Silva, Vinícius B. da
; Espíndola, Vinicius C.
; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
; Ferreira, Vinicius S.
; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
; Trevine, Vivian
; Sousa, Viviane R.
; Sant’Anna, Vivianne B. de
; Mathis, Wayne N.
; Souza, Wesley de O.
; Colombo, Wesley D.
; 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
7.
Capybara ride: evidence of whole aquatic plant dispersal ride
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Resumo: O funcionamento de diversos ecossistemas depende de processos de dispersão facilitados pelos animais, conhecidos como zoocoria. Este processo ecológico é a única forma pela qual algumas espécies aquáticas podem se mover entre sistemas aquáticos, através da matriz terrestre. Apesar da sua importância, os mecanismos de dispersão envolvendo certos vetores, como os mamíferos, permanecem relativamente pouco compreendidos. Com base na observação de capivaras Hydrochoerus hydrochaeris emergindo de uma área úmida com diversas espécies de plantas aquáticas aderidas à sua pelagem, levantamos a hipótese de que esses mamíferos desempenham um papel crucial na dispersão de plantas aquáticas. Conduzimos um experimento controlado e confirmamos que capivaras dispersam duas espécies de lentilha-d’água Lemna valdiviana Fil. e Wolffia columbiana Karsten, ambas através de endozoocoria e epizoocoria. A descoberta da dispersão de plantas inteiras é notável porque não depende da estação do ano e da produção de diásporos reprodutivos específicos. Este estudo apresenta uma documentação pioneira da capacidade das capivaras de dispersar plantas inteiras através do seu trato gastrointestinal e oferece evidências adicionais de seu papel na epizoocoria em áreas úmidas Neotropicais. Resumo animais zoocoria aquáticos terrestre importância vetores compreendidos pelagem lentilhadágua lentilha d água Fil Karsten específicos Neotropicais
Abstract: The functioning of diverse ecosystems relies on the dispersal processes facilitated by animals, known as zoochory. This ecological process is the only way in which some aquatic species can move between aquatic systems through the terrestrial matrix. Despite its paramount importance, the dispersal mechanisms involving certain vectors, such as mammals, have remained relatively poorly understood. Based on observation of capybaras Hydrochoerus hydrochaeris emerging from a wetland with various aquatic plant species attached to their fur, we hypothesized that these mammals play a crucial role in dispersing aquatic plants. We conducted a controlled experiment and confirmed that capybaras disperse two species of duckweed, Lemna valdiviana and Wolffia columbiana, through both endozoochory and epizoochory. The discovery of entire plant dispersal is noteworthy because it is not dependent on the season and does not rely on the production of specific reproductive diaspores. This study presents pioneering documentation of capybaras capacity to disperse entire plants through their gastrointestinal passage and offers further evidence of their role in epizoochory within neotropical wetlands. Abstract animals zoochory matrix importance vectors understood fur duckweed columbiana diaspores wetlands
8.
Long-term oncological and surgical outcomes after Video Endoscopic Inguinal Lymphadenectomy (VEIL) in patients with penile cancer Longterm Long term VEIL (VEIL
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Tobias-Machado, Marcos
; Ornellas, Antonio A.
; Hidaka, Alexandre K.
; Medina, Luis G.
; Mattos, Pablo A. L.
; Besio, Ruben S.
; Abreu, Diego
; Castro, Pedro R.
; Nishimoto, Ricardo H.
; Astigueta, Juan
; Dourado, Aurus
; Machado, Roberto D.
; Magnabosco, Wesley J.
; Corona-Montes, Victor
; Villoldo, Gustavo M.
; Zampolli, Hamilton C.
; Taha, Anis
; Auad, Pericles R.
; Faria, Eliney F.
; Arantes, Paulo B. O.
; Tavares, Alessandro
; Nascimento, Francisco S. M. S.
; Brazão Jr., Eder S.
; Rocha, Maurício M.
; Costa, Walter H.
; Panico, Vinicius
; Reis, Leonardo O.
; Almeida-Carrera, Roberto J.
; Silva, Rafael C.
; Zequi, Stênio C.
; Calixto, José R. R.
; Sotelo, Rene
.
ABSTRACT Objective: To report outcomes from the largest multicenter series of penile cancer patients undergoing video endoscopic inguinal lymphadenectomy (VEIL). Materials and Methods: Retrospective multicenter analysis. Authors of 21 centers from the Penile Cancer Collaborative Coalition-Latin America (PeC-LA) were included. All centers performed the procedure following the same previously described standardized technique. Inclusion criteria included penile cancer patients with no palpable lymph nodes and intermediate/high-risk disease and those with non-fixed palpable lymph nodes less than 4 cm in diameter. Categorical variables are shown as percentages and frequencies whereas continuous variables as mean and range. Results: From 2006 to 2020, 210 VEIL procedures were performed in 105 patients. Mean age was 58 (45-68) years old. Mean operative time was 90 minutes (60-120). Mean lymph node yield was 10 nodes (6-16). Complication rate was 15.7%, including severe complications in 1.9% of procedures. Lymphatic and skin complications were noted in 8.6 and 4.8% of patients, respectively. Histopathological analysis revealed lymph node involvement in 26.7% of patients with non-palpable nodes. Inguinal recurrence was observed in 2.8% of patients. 10y- overall survival was 74.2% and 10-y cancer specific survival was 84.8%. CSS for pN0, pN1, pN2 and pN3 were 100%, 82.4%, 72.7% and 9.1%, respectively. Conclusion: VEIL seems to offer appropriate long term oncological control with minimal morbidity. In the absence of non-invasive stratification measures such as dynamic sentinel node biopsy, VEIL emerged as the alternative for the management of non-bulky lymph nodes in penile cancer. Objective VEIL. . (VEIL) Methods 2 CoalitionLatin Coalition Latin PeCLA PeC LA (PeC-LA technique intermediate/highrisk intermediatehighrisk intermediate/high risk intermediate high nonfixed non fixed diameter range Results 200 2020 5 4568 45 68 (45-68 old 9 60120. 60120 60 120 (60-120) 1 616. 616 6 16 (6-16) 157 15 7 15.7% 19 1.9 86 8 8. 48 4.8 respectively 267 26 26.7 nonpalpable 28 2.8 10y y 742 74 74.2 848 84 84.8% pN0 pN pN1 100 100% 824 82 82.4% 727 72 72.7 91 9.1% Conclusion morbidity noninvasive invasive biopsy nonbulky bulky (VEIL highrisk intermediatehigh 20 202 456 (45-6 6012 12 (60-120 61 (6-16 15.7 1. 4. 26. 2. 74. 84.8 82.4 72. 9.1 (45- 601 (60-12 (6-1 15. 84. 82. 9. (45 (60-1 (6- (4 (60- (6 ( (60
9.
Validation HPLC-DAD Method for Quantification of Gallic and Ellagic Acid from Eugenia punicifolia Leaves, Extracts and Fractions HPLCDAD HPLC DAD Leaves
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Silva, Liliane S.
; Oliveira, Matheus G. de
; Martins, Christiane F.
; Borges, Leonardo L.
; Fiuza, Tatiana S.
; Conceição, Edemilson C. da
; Paula, José R. de
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
Eugenia punicifolia (Kunth) DC, known as “pedra ume-caá” or “pitanguinha do cerrado”, is popularly used to treat infectious diseases like inflammation, and diabetes. Therefore, this study aimed to develop and validate an analytical method by high-performance liquid chromatography with diode array detector (HPLC-DAD) for the seasonal quantification of gallic acid (GA) and ellagic acid (EA), and to co-validate the method for quantification from the ethanol extract and fractions of the E. punicifolia leaves. Chromatographic separations were performed with a mobile phase gradient of acetonitrile/methanol/water acidified with 0.2% formic acid, a flow of 0.8 mL min 1, detection at 254 nm, and a C18 column (250 × 4.6 mm, 5 µm). Method validation parameters were determined following Brazilian legislation. The HPLC-DAD analytical method developed for the quantification of GA and EA was validated and demonstrated to be selective, linear, precise, accurate, robust, and without matrix effect. Accordingly, it is helpful for the analysis of these tannins in crude ethanol extracts and fractions from E. punicifoila leaves. Thus, our results may be of great help for quality control assessment and standardization of raw materials containing Eugenia punicifolia. Kunth (Kunth DC pedra umecaá ume caá ume-caá pitanguinha cerrado, cerrado , cerrado” inflammation diabetes Therefore highperformance high performance HPLCDAD HPLC DAD (HPLC-DAD (GA EA, (EA) covalidate co E leaves acetonitrilemethanolwater acetonitrile methanol water 02 0 2 0.2 08 8 0. 1 25 nm C C1 250 (25 46 4 6 4. mm µm. µm . µm) legislation selective linear precise accurate robust effect Accordingly Thus (EA (2 (
10.
Tasa de recurrencia e implicación del margen quirúrgico en la supervivencia del paciente con melanoma acral. ¿Es necesario un margen amplio?
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Lino-Silva, Leonardo S.
; Hernández-Romero, Raúl
; García-Herrera, Juan S.
; Zepeda-Najar, César
; Salcedo-Hernández, Rosa A.
; León-Takahashi, Alberto M.
; Escobar-Jiménez, Marín G.
; Herrera-Gómez, Ángel
.
Resumen Introducción: La extensión apropiada de los márgenes de resección en el melanoma acral no está claramente establecida. Objetivo: Investigar si la escisión con margen estrecho es adecuada en el melanoma acral grueso. Métodos: Se estudiaron 306 pacientes con melanoma acral. Conforme a la extensión del margen quirúrgico (de 1 a 2 cm y > 2 cm), se analizaron los factores asociados a la recurrencia y la supervivencia. Resultados: De 306 pacientes, 183 fueron mujeres (59.8 %). La mediana del grosor de Breslow fue 6 mm; 224 casos (73.2 %) fueron de tipo ulcerados, 154 pacientes (50.3 %) tenían enfermedad en estadio clínico III, 137 en II (44.8 %) y 15 en IV (4.9 %). Todos los casos presentaron margen negativo, con una mediana de 31.5 mm. Un grosor de Breslow de 7 mm (p = 0.001) y la etapa clínica III (p = 0.031) se asociaron a recurrencia; los factores asociados a la supervivencia fueron el índice de Breslow (p = 0.047), la ulceración (p = 0.003), la etapa clínica avanzada (p < 0.001) y el uso de adyuvancia (p = 0.003). Conclusión: Un margen de resección de 1 a 2 cm no afectó la recurrencia tumoral ni la supervivencia en los pacientes con melanoma acral.
Abstract Introduction: Appropriate size of resection margins in acral melanoma is not clearly established. Objective: To investigate whether narrow-margin excision is appropriate for thick acral melanoma. Methods: Three-hundred and six patients with acral melanoma were examined. Factors associated with recurrence and survival were analyzed according to surgical margin size (1 to 2 cm and > 2 cm). Results: Out of 306 patients, 183 were women (59.8%). Median Breslow thickness was 6 mm; 224 cases (73.2%) were ulcerated, 154 patients (50.3%) had clinical stage III disease, while 137 were at stage II (44.8%) and 15 at stage IV (4.9%). All cases had negative margins, with a median of 31.5 mm. A Breslow thickness of 7 mm (p = 0.001) and clinical stage III (p = 0.031) were associated with recurrence; the factors associated with survival were Breslow index (p = 0.047), ulceration (p = 0.003), advanced clinical stage (p < 0.001), and use of adjuvant therapy (p = 0.003). Conclusion: A resection margin of 1 to 2 cm did not affect tumor recurrence or survival in patients with acral melanoma.
11.
Genetic diversity of the species Cnesterodon hypselurus (Cyprinodontiformes: Poeciliidae) in Cinzas River basin: new record and headwater capture evidences Cyprinodontiformes (Cyprinodontiformes Poeciliidae basin
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Ferreira, Dhiego G.
; Galindo, Bruno A.
; Souza, Tais C. de
; Pereira, Leonardo B.
; Bernardes, Victor A. P.
; Marques, Ana J. C.
; Frantine-Silva, Wilson
; Kotelok-Diniz, Thais
; Aggio, Carlos E. G.
; Apolinário-Silva, Caroline
; Zanatta, Augusto S.
; Sofia, Silvia H.
.
Abstract Cnesterodon hypselurus is a small fish that has a restricted distribution in southern Brazil, including headwaters of the Tibagi and Itararé river basins (Upper Paraná River). This study reported C. hypselurus in a headwater of Cinzas River basin, where there were no previous records of this species, and employed microsatellite loci and mitochondrial haplotypes in a population genetic analysis. A total of 57 specimens was analyzed, including 30 from Cinzas River basin, 25 from Itararé River basin and two from Tibagi River basin. Results indicated low genetic diversity levels (HE = 0.334 and h = 0.246) for the sample from Cinzas River, suggesting reflections of a founder effect after the species had dispersed from one watershed to another, possibly by headwater captures. Since different populations were detected between the Cinzas and Itararé rivers (DEST = 0.248, P-value < 0.05) and other occurrence sites are still unknown in the Cinzas River basin, the data herein have great relevance and should be taken into account in future management and conservation actions, as well as in evolutionary studies of C. hypselurus. Brazil Upper River. . River) C analysis 5 analyzed 3 2 HE 0334 0 334 0.33 0.246 0246 246 another captures DEST 0248 248 0.248 Pvalue P value 0.05 005 05 actions 033 33 0.3 0.24 024 24 0.0 00 03 0. 0.2 02
Resumo Cnesterodon hypselurus é um pequeno peixe que possui distribuição restrita no sul do Brasil, incluindo cabeceiras das bacias dos rios Tibagi e Itararé (alto rio Paraná). Este estudo reportou C. hypselurus na cabeceira da bacia do rio das Cinzas, onde não havia registros prévios desta espécie, e empregou locos microssatélites e haplótipos mitocondriais em uma análise genética de populações. Um total de 57 espécimes foi analisado, incluindo 30 do rio das Cinzas, 25 da bacia do rio Itararé e dois da bacia do rio Tibagi. Os resultados indicaram baixos níveis de diversidade genética (HE = 0,334 e h = 0,246) para a amostra do rio das Cinzas, sugerindo reflexos de um efeito fundador após a espécie ter dispersado de uma bacia para a outra, possivelmente a partir de captura de cabeceiras. Uma vez que diferentes populações foram detectadas entre os rios das Cinzas e Itararé (DEST = 0,248, valor de P < 0,05) e que outros pontos de ocorrência ainda são desconhecidos na bacia do rio das Cinzas, os dados do presente estudo mostram grande relevância e deveriam ser considerados em futuras ações de manejo e conservação, bem como em estudos evolutivos de C. hypselurus. Brasil alto Paraná. Paraná . Paraná) C 5 analisado 3 2 HE 0334 0 334 0,33 0,246 0246 246 outra DEST 0248 248 0,248 0,05 005 05 conservação 033 33 0,3 0,24 024 24 0,0 00 03 0, 0,2 02
12.
Characterization of coccidiosis and evaluation of suggestive cases of subclinical necrotic enteritis in broilers
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Santiani, Fabio
; Silva, Rodrigo Otávio S.
; Oliveira Júnior, Carlos Augusto de
; Withoeft, Jéssica Aline
; Cristo, Thierry G.
; Costa, Leonardo S.
; Gaspar, Taís
; Casagrande, Renata A.
.
ABSTRACT: This study performed the characterization of coccidiosis in broilers and evaluated the occurrence of suggestive cases of necrotic enteritis (NE), seeking if there is an association between the diseases in Brazilian flocks. Two hundred and fifty-six birds from 32 flocks were evaluated. Macroscopic and histopathological lesions were graduated for coccidiosis and NE. Intestinal content was investigated by polymerase chain reaction (PCR) for seven species of Eimeria and by selective anaerobic culture for Clostridium perfringens and identification of the NetB gene. Flocks positive for coccidiosis represented 93.8%. Macroscopic lesions of coccidiosis were Grade 1 for E. acervulina (27%); E. tenella (9.7%) and E. maxima (8.9%). Histopathological evaluation showed Grade 1 in duodenum (38.2%); jejunum (21.4%); cecum (9.3%) and ileum (5%). PCR demonstrated positivity for E. tenella (21.9%), E. maxima (18.8%), and E. acervulina (3.1%). Suggestive macroscopic lesions of necrotic enteritis ranged from Grade 1 (16%), 2 (23%) and 3 (10,9%). Histopathology indicated the absence of necrosis, showing only hemorrhage in the mucosa and submucosa, with the presence of Eimeria spp. Clostridium perfringens type A netB+ was not isolated, demonstrating that macroscopic lesions found mostly in the jejunum did not characterize NE, based on histopathology and negativity of the NetB gene. The study suggests that, due to the high occurrence of coccidiosis, many macroscopic findings suggestive of NE are, in fact, attributed to atypical lesions caused by the reproduction of Eimeria spp. ABSTRACT , (NE) fiftysix fifty six (PCR gene 938 93 8 93.8% E 27% 27 (27%) 9.7% 97 9 7 (9.7% 8.9%. 89 8.9% . (8.9%) 38.2% 382 38 (38.2%) 21.4% 214 21 4 (21.4%) 9.3% (9.3% 5%. 5 5% (5%) 21.9%, 219 21.9% (21.9%) 18.8%, 188 18.8% 18 (18.8%) 3.1%. 31 3.1% (3.1%) 16%, 16 16% (16%) 23% 23 (23% 10,9%. 109 10,9% 10 (10,9%) necrosis submucosa spp netB isolated are fact (NE 93.8 (27% 9.7 (9.7 8.9 (8.9% 38.2 (38.2% 21.4 (21.4% 9.3 (9.3 (5% 21.9 (21.9% 18.8 (18.8% 3.1 (3.1% (16% (23 10,9 (10,9% 93. (27 9. (9. 8. (8.9 38. (38.2 21. (21.4 (5 (21.9 18. (18.8 3. (3.1 (16 (2 10, (10,9 (9 (8. (38. (21. ( (18. (3. (1 (10, (8 (38 (21 (18 (3 (10
RESUMO: Este estudo realizou a caracterização de coccidiose em frangos de corte e avaliou a ocorrência de casos sugestivos de enterite necrótica (EN), buscando se há alguma associação entre estas duas enfermidades em lotes de frango de corte no Brasil. Foram avaliadas 256 aves de 32 lotes. Lesões macroscópicas e histopatológicas foram graduadas para coccidiose e EN. O conteúdo intestinal foi investigado por reação em cadeia da polimerase (PCR) para sete espécies de Eimeria e por cultura anaeróbia seletiva para Clostridium perfringens e identificação do gene NetB. Os lotes positivos para coccidiose representaram 93,8%. Lesões macroscópicas de coccidiose foram de Grau 1 para E. acervulina (27%); E. tenella (9,7%) e E. maxima (8,9%). A avaliação histopatológica mostrou Grau 1 no duodeno (38,2%); jejuno (21,4%); ceco (9,3%) e íleo (5%). A PCR demonstrou positividade para E. tenella (21,9%), E. maxima (18,8%) e E. acervulina (3,1%). Lesões macroscópicas sugestivas de enterite necrótica variaram de grau 1 (16%), 2 (23%) e 3 (10,9%). A histopatologia indicou ausência de necrose, apresentando apenas hemorragia em mucosa e submucosa, com presença de Eimeria spp. Clostridium perfringens tipo A netB + não foi isolado, demonstrando que lesões macroscópicas encontradas principalmente no jejuno não caracterizaram NE, com base na histopatologia e negatividade do gene NetB. O estudo sugere que, em virtude da alta ocorrência de coccidiose nos lotes, muitos achados macroscópicos sugestivos de EN são, na verdade, atribuídos a lesões atípicas provocadas pela reprodução de Eimeria spp. RESUMO EN, , (EN) Brasil 25 (PCR NetB 938 93 8 93,8% E 27% 27 (27%) 9,7% 97 9 7 (9,7% 8,9%. 89 8,9% . (8,9%) 38,2% 382 38 (38,2%) 21,4% 214 21 4 (21,4%) 9,3% (9,3% 5%. 5 5% (5%) 21,9%, 219 21,9% (21,9%) 18,8% 188 18 (18,8% 3,1%. 31 3,1% (3,1%) 16%, 16 16% (16%) 23% 23 (23% 10,9%. 109 10,9% 10 (10,9%) necrose submucosa spp isolado NE são verdade (EN 93,8 (27% 9,7 (9,7 8,9 (8,9% 38,2 (38,2% 21,4 (21,4% 9,3 (9,3 (5% 21,9 (21,9% 18,8 (18,8 3,1 (3,1% (16% (23 10,9 (10,9% 93, (27 9, (9, 8, (8,9 38, (38,2 21, (21,4 (5 (21,9 18, (18, 3, (3,1 (16 (2 10, (10,9 (9 (8, (38, (21, ( (18 (3, (1 (10, (8 (38 (21 (3 (10
13.
Antibacterial Profile in vitro and in vivo of New 1,4-Naphthoquinones Tethered to 1,2,3-1H-Triazoles Against the Planktonic Growth of Streptococcus mutans
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Gomes, Mônica P.
; Correia, Eduardo M.
; Gomes, Max W. L.
; Santos, Claudio C. C. dos
; Barros, Caroline S.
; Abreu, Fernanda V. de
; Antunes, Leonardo S.
; Ferreira, Vitor F.
; Gonçalves, Mariana C.
; Resende, Gabriel O. de
; Gonzaga, Daniel T. G.
; Pinto, Carla E. C.
; Paixão, Izabel C. N. P.
; Silva, Fernando C. da
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
The cariogenic processes are mainly caused by the bacterium Streptococcus mutans (S. mutans) and consist of the demineralization of the tooth that occurs when the acid production overcomes the natural repair or if a problem occurs in the last one. In this work, we performed the synthesis of twenty-one 1,4-naphthoquinones tethered to 1,2,3-1H-triazoles (8a-8k and 9a-9j), antibacterial evaluation against the S. mutans in vitro and the acute toxicity of the better ones in vivo. We observed strong inhibition results in the disc diffusion test ranging, the halos of inhibitions, from 18.66 (± 0.57) to 29 (± 2.64) mm, and good values in the minimum inhibitory concentration (5 to 50 μg), for the compounds 9e, 9h, 9i and 9j: Furthermore, they do not have a cytotoxic effect at the concentrations tested. Besides that, in the in vivo test, they show some slight alteration in the histopathological analyses and the biochemistry. Thus, we found four potential candidates to become instruments for the treatment of cavities.
14.
Neurocircuit models of obsessive-compulsive disorder: limitations and future directions for research
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Shephard, Elizabeth
; Batistuzzo, Marcelo C.
; Hoexter, Marcelo Q.
; Stern, Emily R.
; Zuccolo, Pedro F.
; Ogawa, Carolina Y.
; Silva, Renata M.
; Brunoni, Andre R.
; Costa, Daniel L.
; Doretto, Victoria
; Saraiva, Leonardo
; Cappi, Carolina
; Shavitt, Roseli G.
; Simpson, H. Blair
; van den Heuvel, Odile A.
; Miguel, Euripedes C.
.
Obsessive-compulsive disorder (OCD) is a common psychiatric condition classically characterized by obsessions (recurrent, intrusive and unwanted thoughts) and compulsions (excessive, repetitive and ritualistic behaviors or mental acts). OCD is heterogeneous in its clinical presentation and not all patients respond to first-line treatments. Several neurocircuit models of OCD have been proposed with the aim of providing a better understanding of the neural and cognitive mechanisms involved in the disorder. These models use advances in neuroscience and findings from neuropsychological and neuroimaging studies to suggest links between clinical profiles that reflect the symptoms and experiences of patients and dysfunctions in specific neurocircuits. Several models propose that treatments for OCD could be improved if directed to specific neurocircuit dysfunctions, thereby restoring efficient neurocognitive function and ameliorating the symptomatology of each associated clinical profile. Yet, there are several important limitations to neurocircuit models of OCD. The purpose of the current review is to highlight some of these limitations, including issues related to the complexity of brain and cognitive function, the clinical presentation and course of OCD, etiological factors, and treatment methods proposed by the models. We also provide suggestions for future research to advance neurocircuit models of OCD and facilitate translation to clinical application.
15.
Seasonal changes in taxonomic and functional diversity of lizard communities in southern Brazilian Pantanal
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SILVA, KAROLINE R. DA
; GOMES, LIARA G.
; FERREIRA, VANDA L.
; STRÜSSMANN, CHRISTINE
; MOREIRA, LEONARDO F.B.
.
Abstract Seasonal changes play a key ecological role, structuring biotic processes and communities. Yet we generally lack an understanding of how seasonal flood regimes affect communities in floodplains. Herein, we investigated the effects of seasonal changes in taxonomic and functional diversity of lizard communities in southern Pantanal ecoregion. Lizards were sampled in seven sites encompassing seasonally flooded grasslands and dense arboreal savannas, across rainy and dry seasons (2005-2006). Functional diversity metrics were based on three morphological traits and included intraspecific variability. We collected a total of 810 lizards from 13 species. Species richness did not differ across seasons or months. Lizard abundance varied among sampling months, but did not differ between rainy and dry season. Low values of abundance were recorded at drawdown period. Community composition did not vary between seasons. Functional diversity metrics exhibited random distributions, and both functional richness and evenness were not influenced by seasons. Although communities seem to be resilient to seasonal variations, our findings highlighted that transition from rainy to dry season may represent an important constraint on lizard abundance. Including traits related to food acquisition and predator avoidance could provide new insights into the effects of seasonal floods on floodplains’ lizard communities.
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