Monitoring structures with optical fibers: infiltration detection.

abstract：:Abstract: Riostegotherium yanei from the Itaboraí Basin, Brazil, is the oldest known Xenarthra. This paper aims to describe the internal morphology of the osteoderms of Riostegotherium yanei from the perspective of histology and micro-CT approaches, expanding the available data on cingulate osteoderm microstructure. ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bergqvist LP,Pereira PVLGC,Machado AS,Castro MC,Melki LB,Lopes RT

更新日期：2019-09-02 00:00:00

abstract：:Osteoporosis is a metabolic disorder characterized by a loss of bone mass and structure and increasing the risk of fragility fractures, mostly among postmenopausal women. Sheep is a recognized large animal model for osteoporosis research. An experimental group of ewes (3-4 years old) was subjected to ovariectomy (OVX)...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Coelho CA,Bordelo JP,Camassa JA,Barros VA,Babo PS,Gomes ME,Reis RL,Azevedo JT,Requicha JF,FaÍsca P,Carvalho PP,Viegas CA,Dias IR

更新日期：2020-12-07 00:00:00

abstract：:The Commelina erecta L. (C. erecta) also known as erva-de-santa-luzia is reported by local population to have medical properties against some pathological conditions. In this study, two extracts of C. erecta leaves (aqueous and ethanolic) were phytochemically analysed and evaluated for their in-vitro antioxidant activ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Otsuka FAM,Santos RB,Chaves LF,Santos RS,Chaves Filho AB,Miyamoto S,Matos HR

更新日期：2020-01-01 00:00:00

abstract：:In order to produce transgenic goats with hG-CSF, a total of 24 adult Saanen and 48 adult undefined breed goats were used as donors and recipients, respectively. Donors were estrus-synchronized with vaginal sponges and superovulated by a treatment with 200 mg FSH given twice daily in decreasing doses over 3 days start...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Freitas VJ,Serova IA,Andreeva LE,Dvoryanchikov GA,Lopes ES Jr,Teixeira DI,Dias LP,Avelar SR,Moura RR,Melo LM,Pereira AF,Cajazeiras JB,Andrade ML,Almeida KC,Sousa FC,Carvalho AC,Serov OL

更新日期：2007-12-01 00:00:00

abstract：:Mangroves function as a natural coastline protection for erosion and inundation, providing important environmental services. Due to their geographical distribution at the continent-ocean interface, the mangrove habitat may suffer heavy impacts from global climate change, maximized by local human activities occurring i...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Godoy MD,de Lacerda LD

更新日期：2015-04-01 00:00:00

abstract：:This article aims to identify and suggest data science strategies to strengthen scientific research in astronomy. The improvements in data workflow performance that can be provided by these strategies can be crucial to the multimessenger astronomy (MMA). A special focus is given to the treatment of raw data in the con...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rosa RR

更新日期：2020-09-28 00:00:00

abstract：:We establish a method for giving lower bounds for the fundamental tone of elliptic operators in divergence form in terms of the divergence of vector fields. We then apply this method to the Lr operator associated to immersed hypersurfaces with locally bounded (r + 1)-th mean curvature Hr + 1 of the space forms Nn+ 1(c...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bessa GP,Jorge LP,Lima BP,Montenegro JF

更新日期：2006-09-01 00:00:00

abstract：:Cesium atomic beam clocks have been the workhorse for many demanding applications in science and technology for the past four decades. Tests of the fundamental laws of physics and the search for minute changes in fundamental constants, the synchronization of telecommunication networks, and realization of the satellite...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ahmed M,Magalhães DV,Bebeachibuli A,Müller ST,Alves RF,Ortega TA,Weiner J,Bagnato VS

更新日期：2008-06-01 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：: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：: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：:The main objective of this work is to evaluate the occurrence of bromophenols (2bromophenol, 4bromophenol, 2,4dibromophenol, 2,6dibromophenol and 2,4,6tribromophenol), in the flesh and guts in two species of the LutjanidaeFamily: Lutjanus synagris and Ocyurus chrysurus. The bromophenols were extracted by steam distill...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira AS,Silva VM,Veloso MC,Santos GV,Andrade JB

更新日期：2009-06-01 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：:A new discrete distribution is introduced. The distribution involves the negative binomial and size biased negative binomial distributions as sub-models among others and it is a weighted version of the two parameter discrete Lindley distribution. The distribution has various interesting properties, such as bathtub sha...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bakouch HS

更新日期：2018-07-01 00:00:00

abstract：:In order to map scientists' views on media channels and explore their experiences interacting with journalists, the authors conducted a survey of about 1,000 Brazilian scientists. Results indicate that scientists have clear and high expectations about how journalists should act in reporting scientific information in t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Massarani L,Peters HP

更新日期：2016-06-07 00:00:00

abstract：:the focus ofthis study was to testthe hypothesisthatthere would be no difference betweenthe biocompatibility of silicon dioxide nanofilms used as antimicrobial agents. Sixty male Wistar rats were divided into 4 groups (n=15): Group C (Control,Polyethylene), Group AR (Acrylic Resin), Group NP (Acrylic Resin coated with...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lacerda-Santos R,Lima ABL,Penha ESD,Santos AD,Carvalho FG,Pithon MM,Dantas AFM

更新日期：2020-04-17 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

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：:This paper records the first occurrence of the genus Myrmicium Westwood, 1854 in the Cretaceous of Gondwana and describes it as a new species Myrmicium araripterum sp. nov, based on the most complete specimen of this genus yet known, which represents the largest specimen of the grade "Symphyta" ever found in the Crato...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Freitas LCB,Rasnitsyn AP,Moura GJB,Mendes M

更新日期：2020-01-01 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：: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：:The classic episode of biological invasion: Cochliomyia macellaria (Fabricius, 1775) versus Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) - evaluation of the biotic potential. The biotic of the native fly Cochliomyia macellaria and the exotic Chrysomya megacephala was compared, through the reproduct...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Barbosa LS,Couri MS,Coelho VM,Avelino-Capistrano F

更新日期：2016-09-01 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：: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：:Physiological levels of reactive oxygen species (ROS) are important for intracellular and extracellular redox regulation in signaling and defense processes. Strenuous exercise can also contribute to this imbalance, and the muscle fatigue, evidenced by impaired strength or power generation, can be caused by various rea...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Goulart MJVC,Pisamiglio DS,MÖller GB,Dani C,Alves FD,Bock PM,Schneider CD

更新日期：2020-11-20 00:00:00

abstract：:Eimeriosis is caused by a protozoan parasite of the genus Eimeria and infection affecting most domestic animal species. The aim of this research was to comprehend the impact of selenium nanoparticles (SeNPs) on eimeriosis induced by Eimeria papillata in mouse jejunum, and how they work as antioxidants and anti-apoptot...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Alkhudhayri A,Al-Shaebi EM,Qasem MAA,Murshed M,Mares MM,Al-Quraishy S,Dkhil MA

更新日期：2020-06-03 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：:A relevant series of symmetric supramolecular porphyrins has been obtained by attaching four [RuII(bipy)2Cl] groups to the pyridyl substituents of meso-tetra(4-pyridyl)porphyrin and its metallated derivatives. These compounds display a rich electrochemistry and versatile catalytic, electrocatalytic and photochemical p...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Araki K,Lima Sde S,Winnischofer H

更新日期：2000-01-01 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：:Knowledge about the botanical source of honey is very important for the beekeeper while it indicates adequate and abundant supply sources of nectar and pollen for the bees, thus contributing toward improved yield. The present study means to identify the pollen types occurring in 58 samples of honey produced in two sta...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sodré Gda S,Marchini LC,Carvalho CA,Moreti AC

更新日期：2007-09-01 00:00:00