Collaboration Networks in the Brazilian Scientific Output in Evolutionary Biology: 2000-2012.

abstract：:The golden mussel, Limnoperna fortunei, is among the most devastating invasive species in freshwater habitats worldwide, leading to severe environmental disturbances and economic losses. Therefore, management efforts would be greatly improved by methods that efficiently detect and quantify the abundance of the golden ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pie MR,Ströher PR,Agostinis AO,Belmonte-Lopes R,Tadra-Sfeir MZ,Ostrensky A

更新日期：2017-04-01 00:00:00

abstract：:A total of 40 specimens of the teleost fish Gobioides grahamae Palmer & Wheeler, 1955 were obtained from the municipality of Salvaterra on Marajó Island in the Brazilian state of Pará. Their livers were removed and processed for light microscopy. Overall, 90% of the specimens presented some degree of steatosis of the ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Videira M,Velasco M,Matos P,Clemente SC,Sanches O,Santos P,Matos E

更新日期：2014-09-01 00:00:00

abstract：:Toxoplasmosis is the most common cause of infectious uveitis in Brazil, with a higher frequency in the South of the country. We have collected samples from porcine tongue and diaphragm obtained in both large and small abattoirs and used molecular biological technique to determine the prevalence of infection and RFLP a...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Belfort-Neto R,Nussenblatt V,Rizzo L,Muccioli C,Silveira C,Nussenblatt R,Khan A,Sibley LD,Belfort R Jr

更新日期：2007-03-01 00:00:00

abstract：:Cariniana rubra Miers (Lecythidaceae), popularly known as "jequitibá-vermelho'', is a large Brazilian tree whose bark is used in infusion and decoction for the treatment of inflammatory conditions. This study aims to assess the anti-inflammatory, antinociceptive, and antipyretic effects of Cariniana rubra methanolic s...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Santos EN,Lima JC,Noldin VF,Cechinel-Filho V,Rao VS,Lima EF,Schmeda-Hirschmann G,Sousa PT Jr,Martins DT

更新日期：2011-06-01 00:00:00

abstract：:Candidiasis has become an important concern for clinical practice, especially with the increasing incidence of immunocompromised patients. In this scenario, the development resistance to fluconazole presents a challenge for treating these opportunistic infections. The aim of this study was to evaluate some epidemiolog...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Neves-Junior A,Cartágenes-Pinto AC,Rocha DA,de Sá LF,Junqueira Mde L,Ferreira-Pereira A

更新日期：2015-08-01 00:00:00

abstract：:The intercropping is an important cultural practice commonly used in pest management. It is based on the principle that increased plant diversity in the agro-ecosystem can lead to reductions of pest populations in the crop. The current study aimed to assess the impact the colored fiber cotton-cowpea intercropped syste...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fernandes FS,Godoy WAC,Ramalho FS,Malaquias JB,Santos BDB

更新日期：2018-01-01 00:00:00

abstract：:Properties of L(+) lactate dehydrogenase (LDH) of Electrophorus electricus (L.) electric organ were studied, comparing the substrates pyruvate and lactate. Electric organ LDH is a soluble enzyme with a pH optimum of 7.4 for pyruvate and 9.0 for lactate. The apparent Km was lower for pyruvate (Km = 2.5 X 10(-4) M) than...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Torres-da Matta J,Nery da Matta A,Hassón-Voloch A

更新日期：1976-01-01 00:00:00

abstract：:Brazil and the southeastern United States have faunistic similarities and differences which are of fundamental interest to the environmental scientist. These similarities and differences provide natural experimental organisms and habitats which can provide answers to basic and applied questions. What are the lethal li...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Vernberg FJ,Vernberg WB

更新日期：1976-01-01 00:00:00

abstract：:Pterosaurs possess skeletal pneumatization, which can be assessed externally through the observation of pneumatic foramina. These foramina vary in position, shape, and number among taxa. Here we propose new characters referring to the position and number of pneumatic foramina present in cervical and dorsal vertebrae o...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Buchmann R,Rodrigues T

更新日期：2019-01-01 00:00:00

abstract：:This study presents the bioreduction of six β-ketoesters by whole cells of Kluyveromyces marxianus and molecular investigation of a series of 13 β-ketoesters by hologram quantitative structure-activity relationship (HQSAR) in order to relate with conversion and enantiomeric excess of β-stereogenic-hydroxyesters obtain...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira SSS,Bello ML,Rodrigues CR,Azevedo PL,Ramos MCKV,Aquino-Neto FR,Fiaux SB,Dias LRS

更新日期：2017-07-01 00:00:00

abstract：:Peptides are remarkably reactive molecules produced by a great variety of species and able to display a number of functions in uni-and multicellular organisms as mediators, agonists and regulating substances. Some of them exert cytotoxic effects on cells other than those that produced them, and may have a role in cont...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rodrigues EG,Dobroff AS,Taborda CP,Travassos LR

更新日期：2009-09-01 00:00:00

abstract：:Hepatic disorders such as steatosis and alcoholic steatohepatitis are common diseases that affect thousands of people around the globe. This study aims to identify the main phenol compounds using a new HPLC-ESI+-MS/MS method, to evaluate some oxidative stress parameters and the hepatoprotective action of green dwarf c...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bispo VS,Dantas LS,Chaves AB Filho,Pinto IFD,Silva RPD,Otsuka FAM,Santos RB,Santos AC,Trindade DJ,Matos HR

更新日期：2017-04-01 00:00:00

abstract：:Linalool is the main compound of many essential oils and occurs in two isomeric forms: S-(+)- and R-(-)-linalool. This study aimed to determine if linalool isomers have different antimicrobial and anesthetic properties in fish. For this purpose, these compounds were previously isolated from Lippia alba (Mill.)N. E. Br...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva LL,Balconi LS,Gressler LT,Garlet QI,Sutili FJ,Vargas APC,Baldisserotto B,Morel AF,Heinzmann BM

更新日期：2017-01-01 00:00:00

abstract：:The interaction of urea with lysozyme was studied in the 192-240 nm spectral region by spectrophotometry. The far and middle ultraviolet protein bands records undergo a non-linear "red shift" and "hypochromic effect" under urea titration. These spectral shifts are interpreted basically in terms of decreasing in molar ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Hampe OG,Hampe MM,Zinner K

更新日期：1981-03-01 00:00:00

abstract：:Saccharum spontaneum has been used for the development of energy cane a crop aimed to be used for the production of second-generation ethanol, or lignocellulosic ethanol. Lignin is a main challenge in the conversion of cell wall sugars into ethanol. In our studies to isolate the genes the lignin biosynthesis in S. spo...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Llerena JPP,Araújo P,Mazzafera P

更新日期：2018-01-01 00:00:00

abstract：:Plutella xylostella L. is one of the main agents to cause damages to plants of Brassica genus, provoking negative impacts in cultures. The use of botanical extracts in plants protection has been related in literature, however, their use in the species analyzed in this study is not yet reported. We assessed the effect ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Couto IF,Fuchs ML,Pereira FF,Mauad M,Scalon SP,Dresch DM,Mussury RM

更新日期：2016-01-01 00:00:00

abstract：:Investigation of hyperferritinemia in metabolic syndrome patients represents a diagnostic challenge, but it is essential for the identification of individuals with iron overload. Hepcidin negatively regulates iron absorption and release. An increase in hepcidin occurs when iron levels are sufficient or in inflammatory...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rauber MR,Pilger DA,Cecconello DK,Falcetta FS,Marcondes NA,Faulhaber GAM

更新日期：2019-05-13 00:00:00

abstract：:We describe a dentary of a new titanosaur sauropod, Baalsaurus mansillai, gen. et sp. nov. from the Late Cretaceous of Patagonia, Argentina. The material comes from the Portezuelo Formation, Neuquén Group. Titanosaur sauropods lower jaws are scarce and only nine taxa with dentaries have been described. There are two t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Calvo JO,Riga BG

更新日期：2019-01-01 00:00:00

abstract：:Long-term potentiation (LTP) is the enhancement of postsynaptic responses for hours, days or weeks following the brief repetitive afferent stimulation of presynaptic afferents. It has been proposed many times over the last 30 years to be the basis of long-term memory. Several recent findings finally supported this hyp...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Izquierdo I,Cammarota M,Da Silva WC,Bevilaqua LR,Rossato JI,Bonini JS,Mello P,Benetti F,Costa JC,Medina JH

更新日期：2008-03-01 00:00:00

abstract：:The adsorption of Violet Remazol 5R (VR 5) on wood sawdust modified with succinic anhydride (SSA) as a function of contact time, pH, and initial dye concentrations was investigated using a batch technique under ambient conditions. The SSA obtained was confirmed by IR spectroscopy, thermogravimetry and 13C NMR, and deg...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pinto TF,Bezerra CW,Silva DS,Silva EC Filho,Vieira AP,Airoldi C,Melo JC,Silva HA,Santana SA

更新日期：2016-09-01 00:00:00

abstract：:This paper reports on total Hg concentrations in muscle tissue from 12 fish species collected in the Itacaiúnas and Parauapebas Rivers in the Carajás region, South Pará. It is found that carnivorous species present Hg concentrations higher than herbivorous and omnivorous species. Also, large carnivorous species presen...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lacerda LD,Bidone ED,Guimarães AF,Pfeiffer WC

更新日期：1994-01-01 00:00:00

abstract：:This work was carried out in two small fishing communities, Barra de Mamanguape and Tramataia, Northeastern Brazil. The aim was to study these traditional fishermen's knowledge and perception about tide and wind classifications, as well as their fishing strategies and techniques. Our research methodology involved vari...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bezerra DM,Nascimento DM,Ferreira EN,Rocha PD,Mourão JS

更新日期：2012-09-01 00:00:00

abstract：:Upwelling systems contain a high diversity of pelagic microorganisms and their composition and activity are defined by factors like temperature and nutrient concentration. Denaturing gradient gel electrophoresis (DGGE) technique was used to verify the spatial and temporal genetic variability of Bacteria and Archaea in...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Coelho-Souza SA,Araújo FV,Cury JC,Jesus HE,Pereira GC,Guimarães JR,Peixoto RS,Dávila AM,Rosado AS

更新日期：2015-09-01 00:00:00

abstract：:Sugarcane crop conventional tillage has been replaced by deep soil preparation with few studies about its effect on soil quality and sustainability. The aim of this study was to assess structural volumes ina dystrophic Red-Yellow Latosol subjected to conventional tillage (CT) and deep localized soil tillage (DLST) to ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Garcia DM,Silva CG,Lansa VR,Nery EM,Silva NS,Alberton O,Colauto NB,Silva APD

更新日期：2020-01-01 00:00:00

abstract：:The isolated chick retina provides an in vitro tissue model, in which two protocols were developed to verify the efficacy of a peptide in the excitability control of the central gray matter. In the first, extra-cellular potassium homeostasis is challenged at long intervals and in the second, a wave is trapped in a rin...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lima VM,Piqueira JR,Hanke W

更新日期：2009-03-01 00:00:00

abstract：:Current two-dimensional (2D) ultrasonic marker measurements are inherent with intra- and inter-observer variability limitations. The objective of this paper is to investigate the performance of conventional 2D ultrasonic marker measurements and proposed programmable interactive three-dimensional (3D) marker evaluation...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Wee LK,Chai HY,Samsury SR,Mujamil NF,Supriyanto E

更新日期：2012-12-01 00:00:00

abstract：:The use of sensors and optical fibers for monitoring structures is continuously growing. Strains, displacements, accelerations, temperatures are just a few of the monitoring possibilities. In the case of dam structures, concrete face rockfill dams constitute a type of structures where the monitoring of water infiltrat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Marconcin LR,Machado RD,Lacerda LA,Aufleger M

更新日期：2018-04-01 00:00:00

abstract：:Although recently developed drugs have brought significant improvement, the treatment of psychotic disorders still presents serious drawbacks. Since inherent complexity and lack of satisfactory understanding of the underlying pathophysiology impose limits for rational drug design, resourceful approaches in the search ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Costa-Campos L,Elisabetsky E,Lara DR,Carlson TJ,King SR,Ubillas R,Nunes DS,Iwu MM,Nkemjika CO,Ozioko A,Agwu CO

更新日期：1999-01-01 00:00:00

abstract：:Fifty-five adult Dicrocoelium rileyi Macy, 1931 parasitizing Tadarida brasiliensis (Geoffroy, 1824) from Durango, Nuevo Leon, Puebla, Zacatecas and Mexico State were morphologically described and morphometrically analyzed. To evaluate the degree of variation among populations from the five localities, 27 morphometric ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Falcón-Ordaz J,Octavio-Aguilar P,Estrella-Cruz I

更新日期：2019-11-25 00:00:00

abstract：:Goniopsis cruentata is a common semi-terrestrial crab in Brazilian mangroves and an important fishery resource for traditional communities in the northeastern Brazilian coast. Aiming to contribute to the knowledge about the species, this study evaluated the carapace width and weight growth curves, the relative growth ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Reis CR,Taddei FG,Cobo VJ

更新日期：2015-04-01 00:00:00