Areas of natural occurrence of Melipona scutellaris Latreille, 1811 (Hymenoptera: Apidae) in the state of Bahia, Brazil.

abstract：:This paper promotes a reflection on the relationship between daily practices and consumption. Understanding how conflicts, resistance and consensus are generated from daily consumption practices opens up possibilities for reflecting on the construction of sustainability in the context of diversity, one of the landmark...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Mazzarino JM,Morigi VJ,Kaufmann C,Farias AM,Fernandes DA

更新日期：2011-12-01 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：: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：:With the advance and popularization of molecular techniques, the identification of genetic mutations that cause diseases has increased dramatically. Thus, the number of laboratories available to investigate a given disorder and the number of subsequent diagnosis have increased over time. Although it is necessary to id...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Velho RV,Sperb-Ludwig F,Schwartz IV

更新日期：2015-08-01 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：: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：:Soybeans contain about 30% carbohydrate, mainly consisting of non-starch polysaccharides (NSP) and oligosaccharides. NSP are not hydrolyzed in the gastrointestinal tract of monogastric animals. These NSP negatively affect the development of these animals, especially the soluble fraction. This work aimed to establish a...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bueno RD,Borges LL,God PIVG,Piovesan ND,Teixeira AI,Cruz CD,Barros EG

更新日期：2018-01-01 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 atmospheric dispersion atmospheric plume of the metropolitan region and neighborhoods of the city of Rio de Janeiro was investigated through elemental analyzes (Na, K, Al, Mn, Pb, Ni, Cr) and stable lead isotopes in two epiphytes; the lichen Parmotrema crinitum (Ach.) and the bromeliad Tillandsia usneoides (L.). A...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Marques Junior AN,Panetto DP,Lamego F,Nepomuceno FO,Monna F,Losno R,Guillon R

更新日期：2018-07-01 00:00:00

abstract：:This study investigated the physiological effects of a pesticide based on Bacillus thuringiensis (Dipel-WP®) added in the water and diet of Piaractus mesopotamicus during 24 and 48 h. It was added 0.13 g of de B. thuringiensis per kg of commercial feed; and for the fish subjected to the biopesticide in the water of th...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Mariano WS,Azevedo SB,Gomes FL,Lima LBD,Moron SE,Tavares-Dias M

更新日期：2019-06-19 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：:This work describes the utilization of two groups of programs in searching for characteristic signals of NMR 13C of steroidal compounds. The first group of programs used data bases with the spectral data and a methodology that enables the choice and the search of substructures. The chemical shifts and multiplicities f...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lins AP,Furlan M,Gastmans JP,Emerenciano Vde P

更新日期：1991-06-01 00:00:00

abstract：:The trial was conducted to evaluate the supplementation of E. coli phytase on performance, weight and ash of bones, as well as to determine the bioavailability of P and cost/benefit of its use in diets. A total 1,890 Cobb male day old chicks were assigned to six treatments and seven replicates with 45 birds each, dist...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Dessimoni GV,Sakomura NK,Donato DCZ,Vargas L,MelarÉ M,Pacheco L,DalÓlio FS

更新日期：2020-10-12 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：: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：:This study aimed to measure the wildlife consumption of Euterpe edulis fruit and use this data to discuss management possibilities. To estimate infructescence fruit volume consumed, collectors were installed in fruit-bearing palms. To characterize consumption from the ground, samples were placed next to fruiting palms...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva JZD,Reis MSD

更新日期：2019-01-01 00:00:00

abstract：:One of the most prominent fields of environmental chemistry is the study and the removal of micro-pollutants from aqueous matrices. Analytical techniques for their identification and quantification are becoming more sensitive and comprehensive and, as a result, an increasing number of drugs have been detected in envir...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Morais RL,Santiago MF,Zang JW,Fonseca-Zang WA,Schimidt F

更新日期：2018-04-01 00:00:00

abstract：:There is growing evidence that, during song learning, birds do not only acquire 'what to sing' (the inventory of behavior), but also 'how to sing' (the singing program), including order-features of song sequencing. Common Nightingales Luscinia megarhynchos acquire such serial information by segmenting long strings of ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Hultsch H,Todt D

更新日期：2004-06-01 00:00:00

abstract：:Breast cancer is the most frequent and lethal neoplastic disease among women worldwide. Psidium Guajava is a promising functional food against cancer, owing to a variety of bioactive compounds. This study aimed to evaluate the anticarcinogenic potential of Pedro Sato (PS), Hitigio (HI) and Tsumori (TS) guava cultivars...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Correa MG,Couto JS,Trindade BB,Abreu JP,Nakajima VM,Oliveira FL,Farah A,Teodoro AJ

更新日期：2020-01-01 00:00:00

abstract：:Amazon river turtles are increasingly threatened by habitat loss and alteration due to the Brazilian energy policy based on construction of hydroelectric dams, meanwhile, populational studies remain scarce. We described the population structure, and established body allometric relationships of Podocnemis unifilis in t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Miorando PS,Giarrizzo T,Pezzuti JC

更新日期：2015-10-01 00:00:00

abstract：:Microglial cells within the developing central nervous system (CNS) originate from mesodermic precursors of hematopoietic lineage that enter the nervous parenchyma from the meninges, ventricular space and/or blood stream. Once in the nervous parenchyma, microglial cells increase in number and disperse throughout the C...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Navascués J,Calvente R,Marín-Teva JL,Cuadros MA

更新日期：2000-01-01 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：:Since William James (1890) first distinguished primary from secondary memory, equivalent to short- and long-term memory, respectively, it has been assumed that short-term memory processes are in charge of cognition while long-term memory is being consolidated. From those days a major question has been whether short-te...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Vianna MR,Izquierdo LA,Barros DM,Walz R,Medina JH,Izquierdo I

更新日期：2000-09-01 00:00:00

abstract：:The present study demonstrates 30 plant bugs species associated with 50 records of prey and six records of mycophagy for Brazil. The data were compiled from Schuh's Catalog, the literature, specimens deposited in entomology museums and exemplars from different regions of Brazil sent for identification. Some of the dat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Nogueira BCF,Ferreira PSF,Coelho LA,Martins DS,Barcellos BD

更新日期：2019-08-12 00:00:00

abstract：:This work describes the chemical composition and antimicrobial activity of the volatile oils of Ocimum canum and Ocimum selloi, both occurring in Jequié/BA, northeastern Brazil. The plants were collected in the winter/2005 and summer/2006, the oils extracted by steam distillation and further analyzed by GC-MS. A total...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Nascimento JC,Barbosa LC,Paula VF,David JM,Fontana R,Silva LA,França RS

更新日期：2011-09-01 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：:Primaquine and chloroquine are used for the treatment of malaria; evidence from the literature suggests that these drugs may induce oxidative stress. In this study we investigated the effects of primaquine and chloroquine on oxidative damage and DNA damage in brain, liver and kidney of rats after 7, 14 and 21 days of ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Giovanella F,Ferreira GK,de Prá SD,Carvalho-Silva M,Gomes LM,Scaini G,Gonçalves RC,Michels M,Galant LS,Longaretti LM,Dajori AL,Andrade VM,Dal-Pizzol F,Streck EL,de Souza RP

更新日期：2015-08-01 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：:This study aimed to describe the occurrence, morphology and prevalence of Spirocamallanus krameri, a parasite of Hoplerythrinus unitaeniatus collected in state of Pará, Brazil. The morphological and morphometric characteristics are consistent with the species S. krameri, by having a hexagonal mouth opening, 16 cephali...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pinheiro RHS,Cardoso PJC,Monks S,Santos JN,Giese EG

更新日期：2020-10-28 00:00:00

abstract：:Pathogenic microbial detection and control in laboratory animal facilities is essential to guarantee animal welfare, data validity and reproducibility. Helicobacter spp. are known to affect mice health, what may interfere with experimental outcomes. This study aimed to screen for Helicobacter spp. in mice from animal ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Matos-Rodrigues GE,Masseron CC,Silva FJMD,Frajblat M,Moreira LO,Martins RAP

更新日期：2020-01-01 00:00:00