Last millennium environmental changes and climate inferences in the Southeastern Atlantic forest, Brazil.

abstract：:A multivariable deterministic extremum seeking (ES) is being evaluated to construct an adaptive Proportional-Integral-Derivative (PID) control law for the functional Neuromuscular Electrical Stimulation (NMES) of stroke patients. The developed scheme is applied to control the position of the patient's arm so that move...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Roux-Oliveira T,Costa LR,Pino AV,Paz P

更新日期：2019-02-14 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：:Limnoperna fortunei, an Asiatic rivers bivalve has become a worldwide problematic invasive species causing several water quality and macrofouling problems. In the Neotropical region it was first recorded in 1991 in the Rio de la Plata coast, Buenos Aires province. Since this, it showed a quick upstream invasion into t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Brugnoli E,Clemente J,Boccardi L,Borthagaray A,Scarabino F

更新日期：2005-06-01 00:00:00

abstract：:Obligatory intracellular parasites such as Plasmodium sp, Trypanosoma cruzi, Toxoplasma gondii and Leishmania sp are responsible for the infection of hundreds of millions of individuals every year. These parasites can deliver antigens to the host cell cytoplasm that are presented through MHC class I molecules to prote...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rodrigues MM,Boscardin SB,Vasconcelos JR,Hiyane MI,Salay G,Soares IS

更新日期：2003-12-01 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：: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：: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：:The interaction of urea with lysozyme was studied in the 192-240 nm spectral region by spectrophotometry. The far and middle ultraviolet protein bands records undergo a non-linear "red shift" and "hypochromic effect" under urea titration. These spectral shifts are interpreted basically in terms of decreasing in molar ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Hampe OG,Hampe MM,Zinner K

更新日期：1981-03-01 00:00:00

abstract：:Broomrapes (Orobanche sp.) are root holoparasitic plants causing severe damage to various families of horticultural crops. A Preliminary survey was carried in tomato fields infested with orobanche in Potohar plateau of Pakistan. Results indicated that each planting bed comprising10-12 tomato plants contained 7-8 paras...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ahmad T,Ahmad B,Tariq RMS,Syed MZ,Ahmad Z

更新日期：2018-10-01 00:00:00

abstract：:Hepatic disorders such as steatosis and alcoholic steatohepatitis are common diseases that affect thousands of people around the globe. This study aims to identify the main phenol compounds using a new HPLC-ESI+-MS/MS method, to evaluate some oxidative stress parameters and the hepatoprotective action of green dwarf c...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bispo VS,Dantas LS,Chaves AB Filho,Pinto IFD,Silva RPD,Otsuka FAM,Santos RB,Santos AC,Trindade DJ,Matos HR

更新日期：2017-04-01 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 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：:Studies aiming at improving the activity and stability of dispersed W and Mo containing Pt catalysts for the CO tolerance in proton exchange membrane fuel cell (PEMFC) anodes are revised for the following catalyst systems: (1) a carbon supported PtMo electrocatalyst submitted to heat treatments; (2) Pt and PtMo nanopa...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Hassan A,Ticianelli EA

更新日期：2018-04-16 00:00:00

abstract：:Chicken meat in two different forms (chicken meat and chicken meat powder) were added into white flour and whole wheat blend baguette bread formulations for protein enrichment and finally developing new and healthy snacks. The chicken meat and powder levels were 10% for white flour baguette, and 15% for whole wheat bl...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Cakmak H,Altinel B,Kumcuoglu S,Kisla D,Tavman S

更新日期：2016-10-01 00:00:00

abstract：:Estuarine sediments represent important pools of trace metals, released from both anthropogenic and natural sources. Fluctuations in the water column physicochemical conditions, on the other hand, may transfer metals from solid to liquid compartment and resulting in contamination of the surrounding environment. The pr...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva CARE,Fonseca EMD,Grotto BW,Souza FES,Baptista JA Neto

更新日期：2017-10-01 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：:One of the most important steps is to clarify the juice, which are added synthetic polymer acrylamide base, aiming the fast settling of impurities present in the juice. However, this input is expensive and may have carcinogenic and neurotoxic actions to humans. The search for new natural flocculants that have similari...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Freita CM,Freita LA,Tralli LF,Silva AF,Mendes FQ,Teixeira V,Mutton MJR

更新日期：2017-10-01 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：: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：:Citrus aurantium L., commonly known as bitter orange, is widely used in folk medicine, but there is little data in the literature about the effects on pregnancy. The aim of the present study was to evaluate the influence of essential oil obtained from fruits of Citrus aurantium on the maternal reproductive outcome and...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Volpato GT,Francia-Farje LA,Damasceno DC,Oliveira RV,Hiruma-Lima CA,Kempinas WG

更新日期：2015-03-01 00:00:00

abstract：:Candidiasis has become an important concern for clinical practice, especially with the increasing incidence of immunocompromised patients. In this scenario, the development resistance to fluconazole presents a challenge for treating these opportunistic infections. The aim of this study was to evaluate some epidemiolog...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Neves-Junior A,Cartágenes-Pinto AC,Rocha DA,de Sá LF,Junqueira Mde L,Ferreira-Pereira A

更新日期：2015-08-01 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：:Programs of Science and Technology research have grown significantly in Brazil over the last decades. Until the 1980s the so-called undirected programs, without specific goals and requiring only scientific merit, prevailed. The few programs with defined goals in this period were never objectively assessed. The same si...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pian CA,Meneghini R

更新日期：2007-09-01 00:00:00

abstract：:This paper presents information from different sampling surveys carried out along the Santa Catarina coast in order to outline the biogeographical characteristics of the zooplankton in this region and identify species or groups of species with potential use as bioindicators. Based on a checklist of species of the zoop...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Resgalla C Jr

更新日期：2011-06-01 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：: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：:The objective of this study was to investigate the effects of 2% L-glutamine supplementation on myenteric innervation in the ileum of diabetic rats, grouped as follows: normoglycemic (N); normoglycemic supplemented with L-glutamine (NG); diabetic (D); and diabetic supplemented with L-glutamine (DG). The ileums were su...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pereira RV,Linden DR,Miranda-Neto MH,Zanoni JN

更新日期：2016-01-01 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：:We report for the first time the occurrence of organic-walled microfossils in Ediacaran limestones and marls of the Frecheirinha Formation, Ubajara Group, and the first Precambrian acritarchs so far reported for northeastern Brazil. The assemblage of the Frecheirinha Formation represents a low-diversity microflora com...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Chiglino L,Gaucher C,Sial AN,Ferreira VP

更新日期：2015-04-01 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