Wide-range genetic connectivity of Coney, Cephalopholis fulva (Epinephelidae), through oceanic islands and continental Brazilian coast.

abstract：:In the Budgerigar Melopsittacus undulatus, the significance of a conspecific alarm call was investigated in two seasons, winter and spring. Two qualitatively different behavioral responses were displayed by the receivers in reply to playbacks: call(s) and/or taking flight(s). The comparative analysis of the number of ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Nicolas G,Fraigneau C,Aubin T

更新日期：2004-06-01 00:00:00

abstract：:Given a montmorillonitic clay soil at high porosity and saturated by monovalent counterions, we investigate the particle level responses of the clay to different external loadings. As analytical solutions are not possible for complex arrangements of particles, we employ computational micromechanical models (based on t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Narsilio GA,Smith DW,Pivonka P

更新日期：2010-03-01 00:00:00

abstract：:We propose a new four-parameter lifetime model, called the extended log-logistic distribution, to generalize the two-parameter log-logistic model. The new model is quite flexible to analyze positive data. We provide some mathematical properties including explicit expressions for the ordinary and incomplete moments, pr...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lima SR,Cordeiro GM

更新日期：2017-01-01 00:00:00

abstract：:Gabapentin has antihyperalgesic action, decreasing central sensitization in neuropathic pain models; this effect depends on the mobilization of endogenous pain control pathways. This study aims to investigate the contribution of the endocannabinoid system to the antihyperalgesic action of gabapentin. Mus musculus Swis...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Buffon AC,Javornik MA,Heymanns AC,Salm DC,Horewicz VV,Martins DF,Piovezan AP

更新日期：2020-12-14 00:00:00

abstract：:The objective of this work was to study the reduction in the capsaicin toxicity by encapsulation in liposomes. Capsaicin was extracted from peppers and characterized with high performance liquid chromatography (HPLC). We determined the zeta potential, polydispersivity index (PdI) and vesicle size of liposomes. Wistar ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Cirino LM,Vergne DM,Santana PF,Almeida ED,Costa LP,Albuquerque-Júnior RL,Lima-Verde IB,Padilha FF,Cardoso JC

更新日期：2016-09-01 00:00:00

abstract：:The altered expression of the SOX2 transcription factor is associated with oncogenic or tumor suppressor functions in human cancers. This factor regulates the migration and invasion of different cancer cells. In this study we investigated the effect of constitutive SOX2 overexpression on the migration and adhesion cap...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Drakulic D,Vicentic JM,Schwirtlich M,Tosic J,Krstic A,Klajn A,Stevanovic M

更新日期：2015-03-01 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：:Rotifers have often been used as indicators of sudden changes in physical and chemical features of the aquatic environment. Such features vary greatly during flood pulse events in small lakes connected to major floodplains. However, few are the studies that investigate the consequences of the flood pulse in rotifer sp...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Nova CC,Lopes VG,Souza LC,Kozlowsky-Suzuki B,Pereira TA,Branco CW

更新日期：2014-09-01 00:00:00

abstract：:Drought is a natural and recurrent phenomenon. It is considered 'a natural disaster' whenever it occurs in an intensive manner in highly populated regions, resulting in significant damage (material and human) and loss (socioeconomic). This paper presents the efforts developed to monitor the impact of drought in the se...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Alvalá RCS,Cunha APMA,Brito SSB,Seluchi ME,Marengo JA,Moraes OLL,Carvalho MA

更新日期：2019-01-01 00:00:00

abstract：:Limnoperna fortunei, an Asiatic rivers bivalve has become a worldwide problematic invasive species causing several water quality and macrofouling problems. In the Neotropical region it was first recorded in 1991 in the Rio de la Plata coast, Buenos Aires province. Since this, it showed a quick upstream invasion into t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Brugnoli E,Clemente J,Boccardi L,Borthagaray A,Scarabino F

更新日期：2005-06-01 00:00:00

abstract：:Chemical transformations of eremantholide C (1), a sesquiterpene lactone that was isolated from Lychnophora trichocarpha Spreng. led to five new derivatives: 1',2'- epoxyeremantholide C (2), 5-n-propylamine-4,5-dihydro-1',2'-epoxyeremantholide C (3), 5-n-propylammonium-4,5-dihydro-1',2'-epoxyeremantholide C chloride (...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Saúde-Guimarães DA,Raslan DS,Chiari E,De Oliveira AB

更新日期：2014-12-01 00:00:00

abstract：:Ecological capability evaluation is referred to as evaluation of potential capability of land and determination of its natural land use. In this paper, ecological capability of Lille Basin in Lahijan was evaluated for afforestation and forest expansion using Geographical Information Systems (GIS). For this purpose, in...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Hashemi SA

更新日期：2018-10-01 00:00:00

abstract：:Black Mulberry (Morus nigra L.) belongs to Moraceae family. The present study evaluated the possible genotoxic and/or protective activities of black mulberry fruit juice (BMFJ), in vitro, using mitomycin C (MMC) as a positive control, by chromosomal aberrations and micronucleus assays. Human lymphocytes were treated w...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Yilmaz S,Uçar A,Göktaş B

更新日期：2019-10-28 00:00:00

abstract：:The Cyperaceae species are present in different ecosystems and constitute the herbaceous extract. Of the approximately 5,500 species of the family; a third has Kranz anatomy, representing an important characteristic of the taxonomy and phylogeny of the group. In Cyperus laxus L. (non-Kranz) and Fimbristylis dichotoma ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Martins S,Scatena VL

更新日期：2013-04-01 00:00:00

abstract：:Miconazole is reduced at mercury electrode above pH 6 involving organometallic compound formation, responsible for an anomalous polarographic behavior. The electrodic process presents a large contribution of the adsorption effects. The drug can be determined by cathodic stripping voltammetry from 8.0 x 10(-8) to 1, 5 ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pereira FC,Stradiotto NR,Zanoni MV

更新日期：2002-09-01 00:00:00

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：:The acceleration of the anthropogenic activity has increased the atmospheric carbon concentration, which causes changes in regional climate. The Gross Primary Production (GPP) is an important variable in the global carbon cycle studies, since it defines the atmospheric carbon extraction rate from terrestrial ecosystem...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Danelichen VH,Biudes MS,Velasque MC,Machado NG,Gomes RS,Vourlitis GL,Nogueira JS

更新日期：2015-09-01 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：:The objective of this study was to evaluate the effect of controlled atmosphere (CA) on quality preservation of 'Laetitia' plums, mainly on internal breakdown, in order to determine the best CA storage conditions. Two experiments were carried out one in 2010, and another in 2011. In 2010, besides cold storage (CS; 21....

journal_title：Anais da Academia Brasileira de Ciencias

authors： Steffens CA,do Amarante CV,Alves EO,Brackmann A

更新日期：2014-03-01 00:00:00

abstract：:Establishment of infection by Trypanosoma cruzi, the agent of Chagas' disease, depends on a series of events involving interactions of diverse parasite molecules with host components. Here we focus on the mechanisms of target cell invasion by metacyclic trypomastigotes (MT) and mammalian tissue culture trypomastigotes...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Yoshida N

更新日期：2006-03-01 00:00:00

abstract：:Sterna hirundinacea (Lesson, 1831) is a migratory seabird that breeds in the Pacific Coast (from Peru to Chile) and along the Atlantic coast of South America from Espírito Santo (Brazil) to Terra del Fuego (Argentina). This paper describes the reproductive success of South American Terns on Cardos Island, Florianopoli...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fracasso HA,Branco JO

更新日期：2012-06-01 00:00:00

abstract：:The objective of this work was to study the density of trichomes and hydrocarbons associated with the resistance by antixenosis of 42 subsamples of tomato plants from the Horticultural Germplasm Bank of the Universidade Federal de Viçosa (HGB-UFV) to Liriomyza trifolii. These subsamples were studied in addition to 'Sa...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fernandes ME,Fernandes FL,Silva DJ,Picanço MC,Jhamc GN,Carneiro PC,Queiroz RB

更新日期：2012-03-01 00:00:00

abstract：:In this paper, we prove that the dimension of the second space of reduced L2 cohomology of M is finite if is a complete noncompact hypersurface in a sphere ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Zhu P

更新日期：2016-10-01 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：:Twenty-two nitrogen-fixing Bacillus azotofixans strains were shown to produce an inhibition zone against themselves in plate assays. The B. azotofixans type strain P3L-5, chosen for further studies, produced inhibition zones against various Bacillus strains and other bacterial genera. This antibacterial substance was ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Seldin L,Penido EG

更新日期：1990-03-01 00:00:00

abstract：:Leaves of Psidium guajava L. (guava) have been widely used in the popular way for prevention and treatment of various diseases. Thus, the objective of this study was to evaluate the inhibitory potential of leaves aqueous extract from three cultivars of P. guajava (Pedro Sato, Paluma and Século XXI) on α-amylase, α-gly...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Simão AA,Marques TR,Marcussi S,Corrêa AD

更新日期：2017-01-01 00:00:00

abstract：:A simple methodology for the synthesis of enynes by indium mediated diastereoselective allylation of aromatic N-tert-butanesulfinylimines bearing alkenyl groups at ortho-position with allyl bromide has been developed. The addition of the allyl indium intermediate to the chiral imine took place with excellent diastereo...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Garcia-Muñoz MJ,Sirvent A,Foubelo F,Yus M

更新日期：2018-01-01 00:00:00

abstract：:The phosphatidylinositol 3-kinase and mitogen-activated protein kinase pathways mediate β cell growth, proliferation, survival and death. We investigated whether protein restriction during pregnancy alters islet morphometry or the expression and phosphorylation of several proteins involved in the phosphatidylinositol ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Salvatierra CS,Reis SR,Pessoa AF,De Souza LM,Stoppiglia LF,Veloso RV,Reis MA,Carneiro EM,Boschero AC,Colodel EM,Arantes VC,Latorraca MQ

更新日期：2015-04-01 00:00:00

abstract：:The EEG has been widely employed in the assessment of electrophysiological changes induced by distinct medications. Its sensibility in detecting alterations produced by a specific substance may be enhanced by methods of quantitative analyses (qEEG). The present study aimed at investigating the modulatory effects of br...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sampaio I,Puga F,Veiga H,Cagy M,Piedade R,Ribeiro P

更新日期：2008-06-01 00:00:00

abstract：:In this study, geochemical and particle size analyses of thirty-four street sediment samples collected from an urban environment around Guanabara Bay, shows highway run-off to be a potential source of heavy metals for the pollution of near-shore sedimentary deposits. Concentrations of Fe, Mn, Zn, Cu, Pb, Cr and Ni wer...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pereira E,Baptista-Neto JA,Smith BJ,McAllister JJ

更新日期：2007-12-01 00:00:00