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Gastrointestinal parasites in marsupials from Atlantic Forest of Northeastern Brazil
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Oliveira Neto, M.B.
; Oliveira, J.C.P.
; Rocha, P.A.
; Beltrão-Mendes, R.
; Silva, W.S.I.
; Silva, M.A.D.
; Oliveira, M.R.
; Santos, I.G.
; Carvalho, G.A.
; Ramos, R.A. Nascimento
; Lima, V.F.S.
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Os marsupiais estão envolvidos no ciclo de vida de vários patógenos de interesse médico e veterinário. O objetivo deste estudo foi relatar a ocorrência de parasitos gastrointestinais em marsupiais capturados em fragmentos da Mata Atlântica, estado de Sergipe, nordeste do Brasil. De junho de 2017 a janeiro de 2018, marsupiais foram capturados usando-se armadilhas, e foram obtidas amostras fecais frescas após defecação espontânea. Os animais foram identificados morfometricamente e as fezes analisadas pela técnica FLOTAC. Foram capturados 88 animais, sendo 37 Marmosops incanus, 30 Marmosa demerarae, 20 Didelphis albiventris e 01 Marmosa murina. A espécie mais parasitada foi D. albiventris (45,95%) seguida de M. incanus (43,24%) e M. demerarae (23,3%). No geral, ovos de helmintos foram detectados em 47,72% (42/88) das amostras, enquanto oocistos de protozoários em 32,95% (29/88). Ovos de Ancylostoma sp. predominaram sobre outros parasitos. Este estudo aponta para a ocorrência de parasitos gastrointestinais e contribui para um melhor entendimento do parasitismo em marsupiais que vivem em fragmentos florestais da Mata Atlântica.
2.
Invariant Natural Killer T-cells and their subtypes may play a role in the pathogenesis of endometriosis
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Correa, Frederico J.S.
; Andres, Marina Paula
; Rocha, Tainá Pezzin
; Carvalho, Ana Eduarda Z.
; Aloia, Thiago P.A.
; Corpa, Marcus V.N.
; Kallas, Esper G.
; Mangueira, Cristóvão L.P.
; Baracat, Edmund C.
; Carvalho, Karina I.
; Abrão, Mauricio S.
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Abstract Objective To evaluate the frequencies of iNKT cells and their subsets in patients with deep endometriosis. Methods A case-control study was conducted between 2013 and 2015, with 73 patients distributed into two groups: 47 women with a histological diagnosis of endometriosis and 26 controls. Peripheral blood, endometriosis lesions, and healthy peritoneal samples were collected on the day of surgery to determine the frequencies of iNKT cells and subtypes via flow cytometry analysis. Results The authors observed a lower number of iNKT (p= 0.01) and Double-Negative (DN) iNKT cells (p= 0.02) in the blood of patients with endometriosis than in the control group. The number of DN iNKT IL-17+ cells in the secretory phase was lower in the endometriosis group (p= 0.049). There was an increase in the secretion of IL-17 by CD4+ iNKT cells in the blood of patients with endometriosis and severe dysmenorrhea (p= 0.038), and severe acyclic pelvic pain (p= 0.048). Patients with severe dysmenorrhea also had a decreased number of CD4+ CCR7+ cells (p= 0.022). Conclusion The decreased number of total iNKT and DN iNKT cells in patients with endometriosis suggests that iNKT cells play a role in the pathogenesis of endometriosis and can be used to develop new diagnostic and therapeutic agents.
3.
Cutaneous metastatic melanoma in a Siberian tiger (Panthera tigris altaica) - case report
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Um tigre-siberiano (Panthera tigris altaica) de cativeiro, macho, de 15 anos de idade, apresentou hipermetria dos membros pélvicos nos últimos 10 anos, e recentemente, foi observado um nódulo preto e ulcerado caudalmente à orelha direita. O animal foi submetido à cirurgia para remoção do nódulo e morreu durante a recuperação anestésica. À necropsia, outro nódulo infiltrativo, foi detectado caudalmente a orelha direita. Histologicamente, ambos os nódulos correspondiam à neoplasia melanocítica, com células variando de fortemente pigmentadas a amelanóticas, com metástase para linfonodos mediastinais, baço e pulmão. Havia lipofucsinose e corpora amilácea no sistema nervoso central. Os achados macroscópicos e histológicos confirmam o diagnóstico de melanoma cutâneo metastático em um tigre-siberiano adulto de cativeiro.
ABSTRACT A male 15-year-old captive Siberian tiger (Panthera tigris altaica) developed pelvic limb hypermetry over the past 10 years. Recently, an ulcerated black nodule located caudally to the right ear was observed. The animal was submitted to surgery for removing the tumor, but died during anesthetic recovery. At necropsy, another infiltrative nodule was observed caudally to the right ear. Histologically, both nodules corresponded to melanocytic neoplasia, varying from heavily pigmented to amelanotic, with metastasis to mediastinal lymph nodes, spleen and lung. Lipofuscinosis and corpora amylacea were histologically observed in the central nervous system. Macroscopic and histologic findings confirmed the diagnosis of skin metastatic melanoma in a captive adult Siberian tiger.
https://doi.org/10.1590/1678-4162-10319
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4.
INFLUENCE OF NITRATES, PHOSPHATE, SULPHATE AND SALTS OF Ca, Mg AND K, ON HYDROGEL HYDRATATION CAPACITY
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Neves, Orlando Sílvio Caires
; Rocha, Igor Glaeser da
; Avrella, Eduarda Demari
; Paim, Luciana Pinto
; Fior, Claudimar Sidnei
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RESUMO A capacidade de hidratação do hidrogel em solução foi avaliada em diferentes níveis de condutividade elétrica (CE), usando nitratos, fosfatos, sulfatos e sais de cálcio, magnésio e potássio. Foram realizados quatro experimentos sequenciais, utilizando-se um copolímero de poliacrilato de potássio. O primeiro ensaio objetivou determinar a menor dose de hidrogel, na qual se obtivesse a máxima absorção de água deionizada e foi montado num delineamento inteiramente casualizado, com seis doses de hidrogel (1, 2, 4, 6, 8 e 10 g L-1) e quatro repetições. O segundo estudo, montado num delineamento experimental inteiramente casualizado, com quatro repetições, consistiu em testar doses de sacarose P.A. (0, 1, 2, 4 e 6 %), afim de avaliar a alteração no potencial osmótico da solução sobre a hidratação do hidrogel. O terceiro e o quarto estudos foram desenvolvidos em delineamento inteiramente casualizado, num esquema fatorial 6 × 3 × 2, com quatro repetições. Para o terceiro estudo, os fatores constituíram de seis níveis de CE (0; 0,25; 0,50; 1,00; 1,50 e 2,00 mS cm-1), elevada pela adição de três ânions (NO3-; PO43- e SO42-), acompanhados pelos contra-íons Ca++ e K+. Para o quarto estudo, os mesmos seis níveis de CE foram atingidos pela adição de três cátions (Ca++, Mg++ e K+), acompanhados pelos contra-íons Cl- e SO42-. A capacidade de hidratação do hidrogel reduz com a elevação da concentração iônica da solução e que a redução do potencial osmótico, pela adição de sacarose, não interfere na sua capacidade de intumescimento. Os ânions e cátions em solução influenciam negativamente no processo de hidratação do hidrogel, sendo o efeito mais pronunciado para aqueles de maior valência..
ABSTRACT Hydrogel hydration capacity in solution was evaluated at different levels of electrical conductivity (EC) using nitrate, phosphates, sulfates, and salts of calcium, potassium and magnesium. Four sequential experiments were performed using potassium polyacrylate copolymer. The first experiment aimed to determine the lowest hydrogel dose, at which occur maximum deionized water absorption. The test was assembled in a completely randomized design with six hydrogel doses (1, 2, 4, 6, 8 and 10 g L-1) and four replicates. The second experiment consisted of testing the sucrose P.A. doses (0, 1, 2, 4 and 6 %) in order to evaluate the change in osmotic potential of the solution on hydrogel hydration. The third and fourth studies were carried out in a complete randomized design, using a 6 x 3 x 2 factorial scheme with four replicates. For the third experiment, the factors were six levels of EC (0; 0.25; 0.50; 1.00; 1.50 and 2.00 mS cm1) increased by the addition of three anions (NO3-; PO43- and SO42-) along with counter-ions Ca++ and K+. For the fourth experiment, the same six levels of EC were achieved by adding the three cations (Ca++, Mg++ and K+), along with the counter-ions Cl- and SO42-. Hydration capacity of the hydrogel decreases when the ionic concentration of the solution increases and the reduction of the osmotic potential through the addition of sucrose does not interfere in its swelling capability. Anions and cations in the solution negatively influence the process of the hydrogel hydration. The most pronounced effect is for those with higher valence.
https://doi.org/10.1590/1806-908820200000008
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5.
Extension of the geographic distribution of Plecturocebus baptista (Pitheciidae, Primates) and a possible hybrid zone with Plecturocebus hoffmannsi: evolutionary and conservation implications
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RESUMO Macacos zogue-zogue (família Pitheciidae) são primatas neotropicais altamente diversificados em morfologia, ecologia e genética, com distribuição geográfica abrangente, incluindo a Floresta Amazônica, Mata Atlântica, Cerrado, Pantanal e a Caatinga. Essa diversificação, juntamente com lacunas de conhecimento, gera incertezas na taxonomia e distribuição das espécies. Um exemplo é Plecturocebus baptista, com apenas 14 registros de ocorrência e distribuição indefinida, baseada em barreiras geográficas não testadas. Aqui nós relatamos a ocorrência da espécie em uma nova localidade, fora de sua área conhecida de distribuição, que transpõe uma suposta barreira geográfica, o Rio Paraná-Urariá. O novo registro de P. baptista se sobrepõe à distribuição de P. hoffmannsi e, neste contexto, observamos um indivíduo aparentemente híbrido entre as duas espécies. Nossas observações sugerem que i) a distribuição de P. baptista necessita ser revisada, e ii) a relação evolutiva entre P. baptista e P. hoffmannsi pode ser mais complexa do que se pensava. Como ambas espécies compartilham áreas contínuas de potencial hibridização, questionamos se as duas espécies resultaram de especiação alopátrica.
ABSTRACT Titi monkeys (family Pitheciidae) are Neotropical primates highly diversified in morphology, ecology and genetics, with a wide geographic distribution, including the Amazon, Atlantic Forest, Cerrado, Pantanal and Caatinga. This diversity, together with knowledge gaps, generates uncertainties in titi monkey taxonomy and distribution. An example is Plecturocebus baptista, with only 14 occurrence records and an ill-defined distribution based on untested geographical barriers. Here, we report the occurrence of this species at a new locality outside its known range, across the Paraná-Urariá River, which was considered a distributional limit for the species. The new record implies an overlap of P. baptista with the range of P. hoffmannsi. We document the sighting of an apparent hybrid animal. Our observations suggest that i) the distribution of P. baptista needs to be reviewed, and ii) the evolutionary relationships between P. baptista and P. hoffmannsi may be more complex than previously assumed. Since both species share contiguous areas of potential hybridization, we question whether the two species arose via allopatric speciation.
https://doi.org/10.1590/1809-4392201803411
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6.
Brazilian legislation on genetic heritage harms Biodiversity Convention goals and threatens basic biology research and education
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ALVES, RUY JOSÉ V.
; WEKSLER, MARCELO
; OLIVEIRA, JOÃO A.
; BUCKUP, PAULO A.
; POMBAL JR., JOSÉ P.
; SANTANA, HÉLCIO R.G.
; PERACCHI, ADRIANO LÚCIO
; KELLNER, ALEXANDER W.A.
; ALEIXO, ALEXANDRE
; LANGGUTH, ALFREDO
; ALMEIDA, ALZIRA MARIA P. DE
; ALBERNAZ, ANA LUISA
; RIBAS, CAMILA C.
; ZILBERBERG, CARLA
; GRELLE, CARLOS EDUARDO V.
; ROCHA, CARLOS F.D.
; LAMAS, CARLOS JOSÉ E.
; HADDAD, CÉLIO F.B.
; BONVICINO, CIBELE R.
; PRADO, CYNTHIA P.A.
; LIMA, DANIELA O. DE
; ROSSA-FERES, DENISE C.
; SANTOS, FABRÍCIO R. DOS
; SALIMENA, FÁTIMA REGINA G.
; PERINI, FERNANDO A.
; BOCKMANN, FLÁVIO A.
; FRANCO, FRANCISCO LUÍS
; GIUDICE, GISELE M.L. DEL
; COLLI, GUARINO R.
; VIEIRA, IMA CÉLIA G.
; MARINHO-FILHO, JADER
; WERNECK, JANE M.C.F.
; SANTOS, JORGE A.D. DOS
; NASCIMENTO, JORGE LUIZ DO
; NESSIMIAN, JORGE LUIZ
; CORDEIRO, JOSÉ LUIS P.
; CLARO, KLEBER DEL
; SALLES, LEANDRO O.
; CASATTI, LILIAN
; PY-DANIEL, LUCIA HELENA R.
; SILVEIRA, LUÍS FÁBIO
; TOLEDO, LUÍS FELIPE
; OLIVEIRA, LUIZ F. DE
; MALABARBA, LUIZ ROBERTO
; SILVA, MARCELO D. DA
; COURI, MÁRCIA S.
; MARTINS, MÁRCIO
; TAVARES, MARCOS D.S.
; SOBRAL, MARCOS EDUARDO G.
; VIEIRA, MARCUS VINÍCIUS
; OLIVEIRA, MARIA DE LOURDES A.
; PINNA, MÁRIO DE
; HOPKINS, MICHAEL J.G.
; SOLÉ, MIRCO
; MENEZES, NAÉRCIO A.
; PASSOS, PAULO
; D’ANDREA, PAULO SERGIO
; PINTO, PEDRO C.E.A.
; VIANA, PEDRO L.
; TOLEDO, PETER M.
; REIS, ROBERTO E.
; VILELA, ROBERTO
; BASTOS, ROGÉRIO P.
; COLLEVATTI, ROSANE G.
; CERQUEIRA, RUI
; CASTROVIEJO-FISHER, SANTIAGO
; CARAMASCHI, ULISSES
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Anais da Academia Brasileira de Ciências
- Métricas do periódico
https://doi.org/10.1590/0001-3765201820180460
7311 downloads
7.
Avaliação da suplementação antioxidante na dieta para galos de matrizes pesadas em idade avançada sobre parâmetros reprodutivos
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Rocha, J.S.R.
; Pompeu, M.A.
; Baião, N.C.
; Lara, L.J.C.
; Cardeal, P.C.
; Costa, B.V.
; Leão, P.A.
; Leite, A.C.
; Vargas, L.R.
; Rezende, C.A.
; Wernick, B.
; Ruiz, J.H.A.
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Objetivou-se avaliar os efeitos de antioxidantes suplementados às dietas de galos de matrizes pesadas em idade avançada sobre as características reprodutivas. Foram utilizados galos da linhagem Cobb com 47 semanas de idade. Estes foram distribuídos em quatros tratamentos, de acordo com a adição de antioxidante à dieta, sendo: A = grupo controle (sem suplementação antioxidante); B = suplementação de 9ppm de citranaxantina; C = suplementação de 6ppm de cantaxantina e D = 150ppm de vitamina E. Foram avaliadas as características seminais, tais como volume, vigor, motilidade e concentração, a composição de ácidos graxos do sêmen (saturados, insaturados, monoinsaturados, poli-insaturados, ômega 3, ômega 6 e ômega 9) e a correlação entre o peso dos testículos e o peso dos galos. Não foram observados efeitos das substâncias antioxidantes testadas sobre os parâmetros reprodutivos avaliados. Os antioxidantes avaliados não influenciam as respostas reprodutivas de machos reprodutores de matrizes pesadas em idade avançada.
ABSTRACT This study aimed to evaluate the effect of antioxidant supplementation in diets of aging broiler breeder roosters on reproductive characteristics. Cobb roosters were divided into four groups, according to antioxidant addition, where: A = control group (without antioxidant supplementation); B = 9ppm of citranaxanthin; C = 6ppm of canthaxanthin, and D = 150ppm of vitamin E. Seminal characteristics (volume, force, motility and concentration), semen fatty acid composition (saturated, unsaturated, monounsaturated, polyunsaturated, ω3, ω6 and ω9), and the correlation between testis weight with rooster weight were evaluated. No effects of the antioxidants tested were observed. The antioxidants do not influence the reproductive responses of aging male broiler breeder.
https://doi.org/10.1590/1678-4162-7646
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Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
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; Forzza, Rafaela C.
; Abreu, Maria C.
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Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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9.
Comportamento ingestivo de cordeiros em confinamento, alimentados com dieta exclusiva de concentrado com diferentes porcentagens de proteína
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Cirne, L.G.A.
; Oliveira, G.J.C.
; Jaeger, S.M.P.L.
; Bagaldo, A.R.
; Leite, M.C.P.
; Rocha, N.B.
; Macedo Junior, C.M.
; Oliveira, P.A.
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
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O experimento foi realizado com o objetivo de avaliar o comportamento ingestivo de cordeiros em confinamento, alimentados com dieta exclusiva de concentrado com diferentes porcentagens de proteína (14, 16, 18 e 20%). Foram utilizados 24 cordeiros mestiços da raça Santa Inês, não castrados, com aproximadamente 180 dias de idade, peso vivo médio de 25kg, confinados, num delineamento experimental inteiramente ao acaso, com quatro tratamentos e seis repetições. O tempo despendido na atividade de alimentação decresceu linearmente em 0,20 hora/dia para cada 1% de aumento na porcentagem de proteína na dieta; o de ócio aumentou linearmente em 0,25 hora/dia; e o de mastigação total reduziu linearmente em 0,25 hora/dia. A elevação da porcentagem de proteína na dieta elevou linearmente a eficiência de alimentação (kg MS e FDN/hora), em 0,038 e 0,005kg/hora, respectivamente, para as frações MS e FDN. Contudo, os consumos de matéria seca (MS) e fibra em detergente neutro (FDN), a eficiência de ruminação (kg MS e FDN/hora), assim como o período (nº/dia) e o tempo (min) gasto por período de alimentação, ruminação e ócio não foram influenciados pelas diferentes porcentagens de proteína na dieta.
The experiment was conducted to evaluate the ingestive behavior of feedlot lambs fed with an exclusive diet of concentrate with different percentages of protein (14, 16, 18, and 20%). A total of twenty four Santa Inês crossbred lambs, not castrated, with approximately 180 days of age, average live weight of 25kg, confined, in a completely randomized design, with four treatments and six repetitions. The time spent on feeding decreased linearly in 0.20 hours/day for each 1% increasing in protein percentage in the diet, the idleness increased linearly in 0.25 hours/day, and the total chewing decreased linearly in 0.25 hours/day. The increase in the protein percentage in the diet increased the feed efficiency linearly (kg DM and NDF/hour) in 0.038 and 0.005kg/hour, respectively, for DM and NDF fractions. However, the intake of dry matter (DM) and neutral detergent fiber (NDF), the rumination efficiency (kg DM and NDF/hour), as well as the period (nº /day) and the time (min) spent on feeding, ruminating and idling were not influenced by different protein percentages in the diet.
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10.
Rendimento extrativo de cumarina de folhas de guaco (Mikania glomerata Sprengel) submetidas a diferentes temperaturas de secagem
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Revista Brasileira de Plantas Medicinais
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O objetivo deste trabalho foi avaliar o efeito da temperatura do ar de secagem no rendimento extrativo da cumarina de folhas de guaco. Foram empregados 6 tratamentos de secagem, sendo ar ambiente, ar aquecido a 40, 50, 60, 70 e 80ºC. Utilizou-se secador de bandejas, tendo como fonte de aquecimento o gás liquefeito de petróleo (GLP). Os rendimentos extrativos da cumarina, depois de realizada a secagem, foram comparados com os valores obtidos da planta fresca (tratamento testemunha). A extração da cumarina foi realizada pelo método a quente, em banho-maria a 65ºC, sendo a identificação e quantificação realizada por cromatografia líquida de alta eficiência (CLAE). Em função dos resultados obtidos, pôde-se concluir que a temperatura do ar de secagem a 50ºC possibilitou o melhor resultado para o rendimento extrativo de cumarina em folhas de guaco.
The aim of this study was to evaluate the effect of drying on the extraction yield of coumarin from guaco leaves. Six drying treatments were used, being room air, heated air at 40, 50, 60, 70 and 80ºC. A tray dryer was used with liquefied petroleum gas (LPG) as heating source. The extraction yield of coumarin, after drying, was compared to the values obtained from the fresh plant (control treatment). Coumarin extraction was carried out by using the heat method, in water bath at 65ºC, and identification and quantification were done by means of high performance liquid chromatography (HPLC). Considering the obtained results, the temperature of the drying air at 50ºC led to the best result for the extraction yield of coumarin in guaco leaves.
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11.
Long-term outcomes of symptomatic electrodiagnosed carpal tunnel syndrome
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Kouyoumdjian, Joao Aris
; Morita, Maria P.A.
; Molina, Amalia F.P.
; Zanetta, Dirce M.T.
; Sato, Adriana K.
; Rocha, Carlos E.D.
; Fasanella, Claudia C.
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O presente estudo tem por objetivo avaliar a terapia utilizada e o grau de satisfação dos pacientes que tiveram diagnóstico eletrofisiológico de síndrome do túnel do carpo (STC) entre 1989 e 1994 (528 casos); foram respondidas 184 cartas entre 528 enviadas (34,8%) sendo utilizadas 165. A gravidade do STC foi classificada de 0 a 4 de acordo com uma combinação de valores de latência distal sensitiva e amplitude do potencial de ação muscular composto do nervo mediano e diferença de latência sensitiva mediano/radial. As questões foram relativas a sintomatologia atual e terapêutica utilizada, cirúrgica ou conservadora. As respostas foram correlacionadas ao estudo de condução nervosa inicial, idade e tempo de sintomatologia. Os pacientes submetidos a cirurgia somaram 69% (114 casos). O benefício cirúrgico e não cirúrgico foi respectivamente de 77,6% e 16% ("cura"); 13,6% e 52% (melhora acentuada); 5,4% e 9,3% (melhora leve); 2,7% e 16% (inalterado); 0,7% e 6,7% (piora). A freqüência de "cura" versus inalterado/pior ou "cura"/melhora acentuada versus igual/pior foi significativa, maior no grupo cirúrgico (teste de Fisher, valor de P < 0,001), e não foi influenciada pelo padrão eletrofisiológico inicial. Não houve relação entre melhora ou piora após cirurgia e tempo de sintomatologia, idade ou gravidade eletrofisiológica iniciais. Os casos com melhora sem cirurgia tiveram menor tempo de sintomatologia e idade mais avançada. Os casos sem melhora após tratamento conservador apresentavam padrão eletrofisiológico leve em sua maioria. Conclui-se o excelente benefício cirúrgico para STC e a ausência de fatores preditivos definidos baseados na gravidade eletrofisiológica, idade e tempo de sintomatologia iniciais.
This study was done to evaluate the long-term patient's satisfaction after carpal tunnel syndrome (CTS) electrodiagnostic done between 1989 and 1994 (5 to 10 years follow-up). Mail contact was made to 528 consecutive cases with a questionnaire to be filled; 165 patients responded after 19 exclusions. CTS severity was graded from 0 (incipient) to 4 (severe) after a combination of median sensory distal latency, sensory median-radial latency difference and amplitude of the median compound muscle action potential. Current symptoms ("cure", improved, unchanged or worsed) and the therapy utilized, either surgical or conservative, were analyzed to the initial CTS severity, age and duration of symptomatology. Surgical release was done in 114 cases (69%). Patient's satisfaction after surgical and non-surgical were respectively, 77.6% and 16% ("cure"), 13.6% and 52% (much improved), 5.4% and 9.3% (little improved), 2.7% and 16% (unchanged), 0.7% and 6.7% (worsed). The frequency of "cure" versus unchanged/worsed or "cure"/much improved versus unchanged/worsed was highly significative (Fisher, P-value < 0.001) and was not influenced by the CTS electrophysiological severity. There was no relationship between the outcome after surgery and duration of symptomatology, age or CTS severity. Conservative benefice was more prevalent in those with shorter symptomatology and older age; the majority of conservative failure cases had mild initial CTS. We concluded the excellent surgical benefice described by patients and the absence of any predictive factors based on CTS severity, age or duration of symptomatology for outcome.
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