Physiological parameters of Piaractus mesopotamicus (Osteichthyes: Characidae) exposed to a biopesticide based on Bacillus thuringiensis.

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：: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：:Most herbicides applied in crop field, stay in the soil for a period, affecting next crop or even the plants using as green manure. Nowadays, the use of herbicides grow to increase productivity, mainly in the grain producing region north of Rio Grande do Sul state. The objective of this study was to evaluate the effec...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Alves C,Costa E,Sofiatti JR,Forte CT,Winter FL,Holz CM,Kaizer RR,Galon L

更新日期：2018-04-01 00:00:00

abstract：:It is known that hormones influence significantly the prostate tissue. However, we reported that mating induces an increase in androgen receptors, revealing a neural influence on the gland. These data suggested that somatic afferents (scrotal and genitofemoral nerves) and autonomic efferents (pelvic and hypogastric ne...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Diaz R,Garcia LI,Locia J,Silva M,Rodriguez S,Perez CA,Aranda-Abreu GE,Manzo J,Toledo R,Hernandez ME

更新日期：2010-06-01 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：: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：:The tritheledontid Riograndia guaibensis was the first cynodont described for the "Caturrita Formation" fauna from the Late Triassic of southern Brazil (Santa Maria 2 Sequence). The type materials did not preserve anatomical information regarding braincase, occiput, basicranium, zygomatic arch, postdentary bones and c...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Soares MB,Schultz CL,Horn BL

更新日期：2011-03-01 00:00:00

abstract：:Arithmetic map operations are very common procedures used in GIS to combine raster maps resulting in a new and improved raster map. It is essential that this new map be accompanied by an assessment of uncertainty. This paper shows how we can calculate the uncertainty of the resulting map after performing some arithmet...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Yamamoto JK,Kikuda AT,Rampazzo GJ,Leite CBB

更新日期：2018-08-01 00:00:00

abstract：:Experiments in this paper demonstrate that mitochondrial damage associated to NAD(P)+-induced Ca2+ efflux, is the consequence of inappropriate reaction conditions. The major findings are (i) Added oxaloacetate and acetoacetate readily oxidize NAD(P)H in intact rat liver mitochondria without causing swelling or membran...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Vercesi AE

更新日期：1985-09-01 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：: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：:In this work we study the problem of modeling identification of a population employing a discrete dynamic model based on the Richards growth model. The population is subjected to interventions due to consumption, such as hunting or farming animals. The model identification allows us to estimate the probability or the ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Loibel S,Andrade MG,do Val JB,de Freitas AR

更新日期：2010-12-01 00:00:00

abstract：:Arbuscular Mycorrhizae (AM) are mutualistic associations between Arbuscular Mycorrhizal Fungi (AMF) and the roots of many plant species. AMF spores give rise to filaments that develop in the root system of plants and contribute to the absorption of water and some nutrients. This article introduces a semi-automated cou...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Melo CAO,Lopes JG,Andrade AO,Trindade RMP,Magalhães RS

更新日期：2019-10-21 00:00:00

abstract：:The Caatinga's black snake Boiruna sertaneja is a Pseudoboini species, endemic of the Caatinga biome. It is rare and fits in five traits that suggest it deserve more attention in reproduction research and conservation policies. Here we provide information on reproductive biology of B. sertaneja by adding new data abou...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Guedes T,Guedes A

更新日期：2020-01-01 00:00:00

abstract：:Agapanthus (Agapanthaceae) has 10 species described. However, most taxonomists differ respect to this number because the great phenotypic plasticity of the species. The cytogenetic has been an important tool to aid the plant taxon identification, and to date, all taxa of Agapanthus L'Héritier studied cytologically, pr...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Reis AC,Franco AL,Campos VR,Souza FR,Zorzatto C,Viccini LF,Sousa SM

更新日期：2016-01-01 00:00:00

abstract：:Bioceramic composites were obtained from chitosan and hydroxyapatite pastes synthesized at physiological temperature according to two different syntheses approaches. Usual analytical techniques (X-ray diffraction analysis, Fourier transformed infrared spectroscopy, Thermo gravimetric analysis, Scanning electron micros...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Finisie MR,Josué A,Fávere VT,Laranjeira MC

更新日期：2001-12-01 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：:Candida is a human fungal pathogen that causes a wide range of diseases. Candida albicans is the main etiologic agent in these diseases; however, infections can be caused by non-albicans Candida species. Virulence factors such as biofilm production, which protect the fungus from host immunity and anti-fungal drugs, ar...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Scorzoni L,Menezes RT,Pereira TC,Oliveira PS,Ribeiro FC,Santos ELS,Fugisaki LRO,Oliveira LD,Amorim JBO

更新日期：2020-12-11 00:00:00

abstract：:Analogue experiments were carried out to get insights into the processes governing positive inversion during the foreland propagating thrust tectonics in the southern Serra do Espinhaço, a Brasiliano/Panafrican foldthrust belt in southeast Brazil. In particular, model listric half-grabens were inverted by applying con...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Gomes CJ,Martins-Neto MA,Ribeiro VE

更新日期：2006-06-01 00:00:00

abstract：:A simple and reliable method for the measurement of sodium and potassium in blood serum without any sample dilution by using flow injection and atomic absorption spectrophotometry is described. A sample throughout of 100 measurements per hour is possible. Matrix problems have not been encountered. The coefficient of v...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Burguera JL,Burguera M,Gallignani M

更新日期：1983-06-01 00:00:00

abstract：OBJECTIVE:the aim of this study is to map thermal stress risks for human health at the São Francisco River Basin (SFRB) in the Semiarid region, for climatic scenarios RCP 4.5 and 8.5. METHODS:The heat stress conditions were defined by the Wet Bulb Globe Temperature (WBGT) indicator and by the average number of annual ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira BFA,Silveira IH,Feitosa RC,Horta MAP,Junger WL,Hacon S

更新日期：2019-10-07 00:00:00

abstract：:Tissue engineering holds as a prominent technique to repair or replace the damaged human parts to recreate its native function. In this research, a novel scaffold based on polyurethane (PU) comprising megni oil was electrospun for tissue engineering applications. The obtained polyurethane blended with megni oil nanofi...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Jaganathan SK,Mani MP,Supriyanto E

更新日期：2019-06-19 00:00:00

abstract：:This study presents paleoenvironmental data based on pollen, elemental and isotopic compositions of organic matter (TOC, N, δ(13)C and δ(15)N) and (14)C dating of 170 cm lake sediment record. Samplings have been made in Lagoa Grande at Parque Estadual Turístico do Alto Ribeira - PETAR, Southern São Paulo State, Southe...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pessenda LC,Saia SE,Gouveia SE,Ledru MP,Sifeddine A,Amaral PG,Bendassolli JA

更新日期：2010-09-01 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：: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：:Amazonian biodiversity is increasingly threatened due to the weakening of policies for combating deforestation, especially in Brazil. Loss of animal and plant species, many not yet known to science, is just one among many negative consequences of Amazon deforestation. Deforestation affects indigenous communities, rive...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ellwanger JH,Kulmann-Leal B,Kaminski VL,Valverde-Villegas JM,Veiga ABGD,Spilki FR,Fearnside PM,Caesar L,Giatti LL,Wallau GL,Almeida SEM,Borba MR,Hora VPD,Chies JAB

更新日期：2020-04-17 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：: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：: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：:The storage of high level radioactive waste is still an unresolved problem of the nuclear industry, being geological disposal the most favoured option and, naturally, the one requiring the strongest geo-mechanical input. Most conceptual designs for the deep geological disposal of nuclear waste envisage placing the can...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sánchez M,Gens A,Olivella S

更新日期：2010-03-01 00:00:00