Potentially mobile of heavy metals on the surface sediments in tropical hyper-saline and positive estuaries.

abstract：:Leishmania amazonensis is the main agent of diffuse cutaneous leishmaniasis, a disease associated with anergic immune responses. In this study we show that the crude antigen of Leishmania amazonensis (LaAg) but not L. braziliensis promastigotes (LbAg) contains substances that suppress mitogenic and spontaneous prolife...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pinheiro RO,Pinto EF,Benedito AB,Lopes UG,Rossi-Bergmann B

更新日期：2004-09-01 00:00:00

abstract：:Fruits are rich in minerals, which are essential for a wide variety of metabolic and physiologic processes in the human body. The use of frozen fruits has greatly spread in the last years not only in the preparation of juices, but also as raw material for yogurts, candies, cookies, cakes, ice creams, and children's fo...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Spada PD,Bortolin GV,Prá D,Santos CE,Dias JF,Henriques JA,Salvador M

更新日期：2010-12-01 00:00:00

abstract：:Sea anemones are considered as polyphagous opportunistic predators and it has been suggested that their diet reflects the structure of the community they inhabit. The feeding ecology of intertidal species is an interesting topic to study due to their wide variety of strategies to obtain food. In this sense, we studied...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Erralde SM,AcuÑa FH

更新日期：2020-10-19 00:00:00

abstract：:To understand the increasingly tenuous relationship between ourselves and the finite resource base upon which we depend for all sustenance, an exploration of recent history and basic human behavior is warranted. An attempt is made to shed light on how short-term economic demands have come to take priority over nearly ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Swing K

更新日期：2019-07-29 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：: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 purpose of this study was to analyze the seasonal variation in the nutrient and pigment content of leaves from five tree species - of which three are perennial (Cupania vernalis, Matayba elaeagnoides and Nectandra lanceolata) and two are deciduous (Cedrela fissilis and Jacaranda micrantha) - in an ecotone between ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bündchen M,Boeger MR,Reissmann CB,Geronazzo KM

更新日期：2016-01-01 00:00:00

abstract：:During composting processes, the degradation of organic waste is accomplished and driven by a succession of microbial populations exhibiting a broad range of functional competencies. A total of 183 bacteria, isolated from a composting process, were evaluated for cellulase activity at different temperatures (37, 50, 60...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Marco ÉG,Heck K,Martos ET,VAN DER Sand ST

更新日期：2017-01-01 00:00:00

abstract：:Using Shannon information theory is a common strategy to measure any kind of variability in a signal or phenomenon. Some methods were developed to adapt information entropy measures to bird song data trying to emphasize its versatility aspect. This classical approach, using the concept of bit, produces interesting res...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Piqueira JR

更新日期：2004-06-01 00:00:00

abstract：:Helicoverpa gelotopoeon is an endemic pest of South America that affects soybean and other important crops. Life tables are a fundamental tool used to study insect populations, resulting in crucial information for integrated pest management programs. Therefore, the aim of this study was to evaluate the biotic potentia...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Herrero MI,Dami LC,Fogliata SV,Casmuz AS,Gómez DRS,Gastaminza GA,Murúa MG

更新日期：2018-10-01 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：:The leprosis disease shows a viral etiology and the citrus leprosis virus is considered its etiologic agent. The disease may show two types of cytopatologic symptom caused by two virus: nuclear (CiLV-N) and cytoplasmic (CiLV-C) types. The aim of this study was to compare the morpho-anatomical differences in the lesion...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Marques JP,Kitajima EW,Freitas-Astúa J,Appezzato-da-Glória B

更新日期：2010-06-01 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：:The aquatic environment presents daily and/or seasonal variations in dissolved oxygen (DO) levels. Piava faces different DO levels in the water due to its distributional characteristics. The goal of this study was to describe the effects of low DO levels on plasma ion, biochemical and oxidative variables in piava juve...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Copatti CE,Bolner KCS,Londero ÉP,Rosso FL,Pavanato MA,Baldisserotto B

更新日期：2019-08-19 00:00:00

abstract：:This essay discusses the problem of the lack of dialogue between theory/empirical reality in the construction of the theoretical structure of dissertations and doctorates in Human Sciences in Brazil; taking Geography as an example, Santos (2000) observed this problem, which persists at the national level. The proposal...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Gomes RD

更新日期：2019-01-01 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：:The degradation kinetics of vitamin C in different citrus juice types (tangerine, grapefruit, orange and lime) were investigated during four hours storage at temperatures of 4 and 25°C under different storage conditions in terms of light and oxygen presence. The loss of vitamin C at each sample followed the first-orde...

journal_title：Anais da Academia Brasileira de Ciencias

authors： NakilcioĞlu-TaŞ E,ÖtleŞ S

更新日期：2020-06-12 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：:Two major memory systems have been recognized over the years (Squire 1987): the declarative memory system, which is under the control of the hippocampus and related temporal lobe structures, and the procedural or habit memory system, which is under the control of the striatum and its connections. Most if not all learn...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rossato JI,Zinn CG,Furini C,Bevilaqua LR,Medina JH,Cammarota M,Izquierdo I

更新日期：2006-09-01 00:00:00

abstract：:The infrared spectrum (amide I' region) of Kunitz soybean trypsin inhibitor (SBTI) was obtained in D2O solution and resolved into Gaussian components. A prominent broad band centered at 1643 cm-1 is shown on the unresolved spectrum, which is usually assigned to N-deuterated peptide groups in an unordered structure, si...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ventura MM

更新日期：1989-01-01 00:00:00

abstract：:Urolithiasis is a disorder of kidneys in which stones formation occur due to the excessive deposition of minerals in the urinary tract. It affects 12% of the population worldwide. Salvia hispanica seeds are rich source of quercetin which has preventive role in renal stone formation. The study objective was to explore ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Saleem U,Ahmad N,Shah MA,Anwar F,Ahmad B

更新日期：2020-11-16 00:00:00

abstract：:Four new N-alkyl-2-mercapto-1-octylamine hydrochlorides were synthesized via the reaction of 1,2-epithio-octane with corresponding amines following by conversion to the hydrochlorides. The disulfides were obtained by oxidation of the respective thiols. Upon biological assay of the products for activity against infecti...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Vieira Filho SA,Nelson DL,Piló-Veloso D

更新日期：1986-12-01 00:00:00

abstract：:In Patagonia, knowledge about the interaction among tephritids and the native flora is very scarce. In this study we identified for the first time two tephritid species (Cecidochares sp. and Neosphaeniscus m-nigrum) associated with the capitula of Chuquiraga avellanedae. This is the first record of a host plant for th...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Martinez FJ,Norrbom AL,Schliserman P,Campanella MV

更新日期：2020-10-12 00:00:00

abstract：:Agromyza Fallén (Diptera, Agromyzidae) is a genus of leaf mining flies, including species with high economic importance. The knowledge of this genus is very poor in the neotropics, with 12 known species, only six of them recorded from Brazil. This paper describes two new Agromyza species from "Cerrado" and "Pantanal" ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sousa VR,Couri MS

更新日期：2016-01-01 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：: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：: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：: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：: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：: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