abstract：:The present study was designed to investigate the ameliorative potential of Ocimum sanctum and its saponin rich fraction in chronic constriction injury-induced neuropathic pain in rats. The chronic constriction injury was induced by placing four loose ligatures around the sciatic nerve, proximal to its trifurcation. T...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Kaur G,Bali A,Singh N,Jaggi AS

更新日期：2015-03-01 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：:Brazil has a high diversity of flies of the genus Drosophila, and part of this richness is represented by the cardini group. We analyzed the fluctuations in the richness and abundance of this group, in environments that had never previously been studied in the northeastern region of Brazil. Among the 28,204 drosophili...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rohde C,Silva DM,Oliveira GF,Monteiro LS,Montes MA,Garcia AC

更新日期：2014-12-01 00:00:00

abstract：:The effects of food restriction (FR) on the morphoquantitative aspects of the wall and myenteric neurons of the proximal colon in adult rats were analysed. FR was imposed by duplication of the experimental brood size in relation to the control brood during lactation. The FR group received a 50% reduction of food from ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Schoffen JP,Vicentini FA,Marcelino CG,Araújo EJ,Pedrosa MM,Natali MR

更新日期：2014-12-01 00:00:00

abstract：:Mangiferin, present in Mangifera indica bark, was reported to produce hypoglycemic and antidiabetic activity in an animal model of genetic type 2 diabetes and in streptozotocin diabetic rats. Its effect on diabetic insulin-resistant animals has not been investigated. The current work aimed to explore the effect of man...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Saleh S,El-Maraghy N,Reda E,Barakat W

更新日期：2014-12-01 00:00:00

abstract：:This study aimed to establish a cryopreservation protocol for embryogenic cultures of A. angustifolia, enabling the ex situ conservation of the species. Embryogenic cultures were established from immature seeds and treated with variations of the cryoprotectant solutions SuDG, SoD and PVS2 prior to immersion in liquid ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Demarchi G,Stefenon VM,Steiner N,Vieira FN,Dal Vesco LL,Guerra MP

更新日期：2014-12-01 00:00:00

abstract：:We investigated the influence of environmental factors in spatial and temporal distribution of the seabob shrimp Xiphopenaeus kroyeri in Santos Bay and São Vicente Estuary, state of São Paulo, Brazil. Monthly samples were obtained, from May 2008 through April 2010, from four locations in the estuary and four in the ba...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Heckler GS,Lopes M,Simões SM,Shimizu RM,Costa RC

更新日期：2014-09-01 00:00:00

abstract：:Intensification of aquaculture production systems exposes fish to numerous stressors, which may negatively affect their growth and limit profitability of aquaculture systems. This study determined effects of increasing levels of dietary mannanoligosaccharides on growth and intestine morphology of pacu. Fish (44.04 g) ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sado RY,Bicudo AJ,Cyrino JE

更新日期：2014-09-01 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：: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：:The Bahía Blanca estuary (Argentina) has a morphological configuration resulting from hydrological and sedimentary processes related to Late Quaternary sea level changes. This estuarine system occupies a large coastal plain with a dense net of tidal channels, low-altitude islands and large intertidal flats. Little is ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Aliotta S,Ginsberg SS,Giagante D,Vecchi LG,Salvatierra MM

更新日期：2014-06-01 00:00:00

abstract：:Understading the hydrodynamic behavior and suspended particulated matter (SPM) transport are of great importance in port regions such as Vitória Harbor, which is located at Vitória Bay, Vitória - ES, Brazil. Vitória Bay is an estuary that has not been systematically assessed through a temporal analysis in order to ide...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Garonce FAA,Quaresma VS

更新日期：2014-06-01 00:00:00

abstract：:Lyroglossa and Pteroglossa (Orchidaceae: Spiranthinae) are first recorded for Rio Grande do Sul. Descriptions, illustrations, taxonomic notes and distribution are presented. We also provide an artificial key to distinguish the genera of the "Stenorrhynchos Clade" reported so far in Rio Grande do Sul. ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Buzatto CR,Singer RB,Bordignon SAL

更新日期：2014-06-01 00:00:00

abstract：:Cynodonts represent the transition from reptiles to mammals. They are classified as synapsids, or tetrapod animals with mammalian characteristics. We present here the finding of helminth eggs in a coprolite identified as of cynodont origin dated of nearly 240 million years. Microscopy revealed the presence of very wel...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva PA,Borba VH,Dutra JM,Leles D,da-Rosa AA,Ferreira LF,Araujo A

更新日期：2014-03-01 00:00:00

abstract：:The Brazilian records on Xenacanthiformes include teeth and cephalic spines from the Parnaíba, Amazonas and Paraná basins. This work describes a new species of Xenacanthidae, collected in an outcrop of Serrinha Member of Rio do Rasto Formation (Wordian to Wuchiapingian), Paraná Basin, municipality of Jacarezinho, Stat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pauliv VE,Dias EV,Sedor FA,Ribeiro AM

更新日期：2014-03-01 00:00:00

abstract：:The South American Pleistocene mammal fauna includes great-sized animals that have intrigued scientists for over two centuries. Here we intend to update the knowledge on its palaeoecology and provide new evidence regarding two approaches: energetics and population density and relative abundance of fossils per taxa. To...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fariña RA,Czerwonogora A,di Giacomo M

更新日期：2014-03-01 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：:This study aimed at describing daily and seasonal variation in the activity of a population of South-American rattlesnakes (Crotalus durissus) in a savanna like habitat (Cerrado) in Southeastern Brazil. Seasonal and daily activities of snakes were evaluated by the number of captures of snakes during road surveys, acci...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Tozetti AM,Martins M

更新日期：2013-09-01 00:00:00

abstract：:In some previous studies, we described the isolation of nine compounds from leaves of Derris urucu, a species found widely in the Amazon rainforest, identified as five stilbenes and four dihydroflavonols. In this work, three of these dihydroflavonols [urucuol A (1), urucuol B (2) and isotirumalin (3)] were evaluated t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva EA,Lôbo LT,Silva GA,Souza Filho AP,Da Silva MN,Arruda AC,Guilhon GM,Santos LS,Arruda MS

更新日期：2013-09-01 00:00:00

abstract：:Life history traits are considered key indicators of plant invasibility. Among them, the germination behavior of seeds is of major relevance because it is influenced by environmental factors of invaded ecosystem. Here, we investigated how seed traits and seed tolerance to environmental factors on seed germination of C...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Leal LC,Meiado MV,Lopes AV,Leal IR

更新日期：2013-09-01 00:00:00

abstract：:Acute intermittent porphyria is the most common acute porphyria caused by a decrease in hepatic porphobilinogen deaminase activity, resulting in an accumulation of delta-aminolevulinic acid and porphobilinogen. This disease shows nonspecific signs and symptoms that can be confused with other diseases, thereby making t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Dos Santos AR,De Albuquerque RR,Doriqui MJ,Costa GC,Dos Santos AP

更新日期：2013-09-01 00:00:00

abstract：:Each animal species selects specific microhabitats for protection, foraging, or micro-climate. To understand the distribution patterns of small mammals on the ground and in the understorey, we investigated the use of microhabitats by small mammals in a deciduous forest of southern Brazil. Ten trap stations with seven ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Melo GL,Miotto B,Peres B,Cáceres NC

更新日期：2013-04-01 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：:During the ageing process the enteric nervous system undergoes morphofunctional changes, such as enteric neurodegeneration. Neuronal death can be attributed to increase radicals free, and ascorbic acid (AA), known antioxidant, could minimize damage cause by oxidative stress. The objective of this study is to analyse t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Mello SA,Marese AC,Brancalhão RM,Zanoni JN,Natali MR

更新日期：2013-03-01 00:00:00

abstract：:This study suggests the employment of accumulated sediments in the reservoir of Tucuruí (Pará /Brazil) to remineralize the surrounding degraded soils. The approach was based on the principles of stonemeal technology. It suggests that the soil can be rejuvenated by crushed rocks rich in macro and micronutrients. Remova...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Theodoro SH,Leonardos OH,Rocha E,Macedo I,Rego KG

更新日期：2013-03-01 00:00:00

abstract：:This study aimed to detail the temporal and morphological parameters of the immature stages of Spodoptera albula (Walker 1857) under controlled conditions (25 ± 1°C, 70 ± 10% RH and 14 hour photophase) and to gather information about their larval host plants. For this purpose, a new rearing method and artificial diet ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Montezano DG,Specht A,Bortolin TM,Fronza E,Sosa-Gómez DR,Roque-Specht VF,Pezzi P,Luz PC,Barros NM

更新日期：2013-03-01 00:00:00

abstract：:Stem bleeding disease (resinosis) of coconut palm is caused by Thielaviopsis paradoxa and is very important in the state of Sergipe, Brazil. Understanding the epidemiological behavior of the disease is essential for establishing more efficient control strategies. Thus, we characterized the temporal progression and spa...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Carvalho RR,Souza PE,Warwick DR,Pozza EA,Filho JL

更新日期：2013-01-01 00:00:00

abstract：:In the adult organism, angiogenesis is restricted to a few physiological conditions. On the other hand, uncontrolled angiogenesis have often been associated to angiogenesis-dependent pathologies. A variety of animal models have been described to provide more quantitative analysis of in vivo angiogenesis and to charact...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Feder D,Perrazo FF,Pereira EC,Forsait S,Feder CK,Junqueira PE,Junqueira VB,Azzalis LA,Fonseca FL

更新日期：2013-01-01 00:00:00

abstract：:The centesimal composition and the physical and chemical analyses of Lentinus strigosus, an edible mushroom occurring in the Brazilian Amazon and produced in alternative substrates based on wood and agroindustrial residues, were evaluated. For this purpose, the C, N, pH, soluble solids, water activity, protein, lipids...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sales-Campos C,Araujo LM,Minhoni MT,Andrade MC

更新日期：2013-01-01 00:00:00

abstract：:Streamwater is affected by several processes in the watershed including anthropogenic activities that result in changes in water quality as well as in the functioning of these stream ecosystems. Therefore, this work aims to evaluate the concentration of major ions (Ca(2+), Mg(2+), Na(+), K(+), NH4(+), NO3(-), NO2(-), ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva DM,Camargo PB,McDowell WH,Vieira I,Salomão MS,Martinelli LA

更新日期：2012-12-01 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：:Castor bean (Ricinus communis L.) is cultivated mainly for biodiesel production because of its oil-rich seeds; it is assumed to be an anemophylous species. But pollination deficit can lead to low productivity often attributed to other reasons. In this paper, we investigated pollination requirements, pollination mechan...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rizzardo RA,Milfont MO,Silva EM,Freitas BM

更新日期：2012-12-01 00:00:00

abstract：:The genus Lippia (Verbenaceae) comprise around 160 species spread out mainly in South and Central Americas with few African species, some of them with potential medicinal use. Brazil is one the most important centers of diversity with approximately 75% of the species described so far. Innumerous species are endemic an...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sousa SM,Torres GA,Viccini LF

更新日期：2012-12-01 00:00:00

abstract：:The risk of developing cardiovascular disease (CVD) is related to lifestyle (e.g. diet, physical activity and smoking) as well as to genetic factors. This study aimed at evaluating the association between CVD risk factors and DNA damage levels in children and adolescents. Anthropometry, diet and serum CVD risk factors...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Kliemann M,Prá D,Müller LL,Hermes L,Horta JA,Reckziegel MB,Burgos MS,Maluf SW,Franke SI,Silva Jd

更新日期：2012-09-01 00:00:00

abstract：:The bee Melipona scutellaris is considered the reared meliponine species with the largest distribution in the North and Northeast regions of Brazil, with records from the state of Rio Grande do Norte down to the state of Bahia. Considering the importance of this species in the generation of income for family agricultu...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Alves RM,Carvalho CA,Souza BA,Santos WS

更新日期：2012-09-01 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：: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 genus Leuconostoc belongs to a group of lactic acid bacteria usually isolated from fermented vegetables, which includes species involved in the production of exopolysaccharides (EPS). These biopolymers possess considerable commercial potential. Because of the wide variety of industrial applications of EPS, this st...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Paulo EM,Boffo EF,Branco A,Valente AM,Melo IS,Ferreira AG,Roque MR,Assis SA

更新日期：2012-06-01 00:00:00

abstract：:Environmental stimuli exert important effects on the expression of the endogenous rhythms. Daily movements of groups of parrots in response to the light/dark cycle have been studied by several researchers. However, the factors modifying the intrinsic rhythmicity of this behaviour remain little known. This study descri...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Moura LN,Silva ML,Vielliard JM

更新日期：2012-06-01 00:00:00

abstract：:Byrsonima sericea leaves are extensively used in folk medicine in Brazil against gastric disorders. This study investigated the chemical constituents of B. sericea leaf ethanolic extract (BSLE) and its potential gastroprotective activity, with its possible mechanism of the action using ethanol to induce gastric mucosa...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rodrigues PA,Morais SM,Souza CM,Magalhães DV,Vieira IG,Andrade GM,Rao VS,Santos FA

更新日期：2012-03-01 00:00:00