S-(+)- and R-(-)-linalool: a comparison of the in vitro anti-Aeromonas hydrophila activity and anesthetic properties in fish.

abstract：:Urotrema scabridum Braun 1900 and Urotrema macrotestis Mané-Garzón and Telias 1965 are reported from the small intestine of Eumops glaucinus (Wagner, 1843). The species were differentiated by the body width, the size and position of acetabulum, the size of testis, the caecal termination, and the distribution of vitell...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Mello ÉM,Rabelo ÉML,Silva RJD

更新日期：2019-03-21 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：: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：: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

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：:Hypostomus commersoni Valenciennes 1836, Hypostomus cordovae (Günther 1880) and Hypostomus laplatae (Eigenmann 1907) have been little studied since their original descriptions. This study shows a comprehensive review of these species from the Lower La Plata Basin, including their taxonomic history, distribution, color...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Cardoso YP,Brancolini F,Protogino L,Paracampo A,Bogan S,Posadas P,Montoya-Burgos JI

更新日期：2019-01-01 00:00:00

abstract：:Cynodonts represent the transition from reptiles to mammals. They are classified as synapsids, or tetrapod animals with mammalian characteristics. We present here the finding of helminth eggs in a coprolite identified as of cynodont origin dated of nearly 240 million years. Microscopy revealed the presence of very wel...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva PA,Borba VH,Dutra JM,Leles D,da-Rosa AA,Ferreira LF,Araujo A

更新日期：2014-03-01 00:00:00

abstract：:We propose a new four-parameter lifetime model, called the extended log-logistic distribution, to generalize the two-parameter log-logistic model. The new model is quite flexible to analyze positive data. We provide some mathematical properties including explicit expressions for the ordinary and incomplete moments, pr...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lima SR,Cordeiro GM

更新日期：2017-01-01 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：:Sterna hirundinacea (Lesson, 1831) is a migratory seabird that breeds in the Pacific Coast (from Peru to Chile) and along the Atlantic coast of South America from Espírito Santo (Brazil) to Terra del Fuego (Argentina). This paper describes the reproductive success of South American Terns on Cardos Island, Florianopoli...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fracasso HA,Branco JO

更新日期：2012-06-01 00:00:00

abstract：:Twenty-two nitrogen-fixing Bacillus azotofixans strains were shown to produce an inhibition zone against themselves in plate assays. The B. azotofixans type strain P3L-5, chosen for further studies, produced inhibition zones against various Bacillus strains and other bacterial genera. This antibacterial substance was ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Seldin L,Penido EG

更新日期：1990-03-01 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：: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 objective was to evaluate the influence of calving and postpartum characteristics, measured in different genetic predominance, on the postpartum rebreeding. Were evaluated 437 partum from cows that received feeding management consisting of a forage base of the native field and the mating season consisted of 90 day...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Joner G,Alves Filho DC,Brondani IL,Borchate D,Klein JL,Domingues CC,Rodrigues LS,Machado DS

更新日期：2018-08-01 00:00:00

abstract：:The aim of this study was to evaluate potential DNA damage and cytotoxicity in pathology laboratory technicians exposed to organic solvents, mainly xylene. Peripheral blood and buccal cells samples were collected from 18 technicians occupationally exposed to organic solvents and 11 non-exposed individuals. The technic...

journal_title：Anais da Academia Brasileira de Ciencias

authors： de Aquino T,Zenkner FF,Ellwanger JH,Prá D,Rieger A

更新日期：2016-03-01 00:00:00

abstract：:The adsorption of Violet Remazol 5R (VR 5) on wood sawdust modified with succinic anhydride (SSA) as a function of contact time, pH, and initial dye concentrations was investigated using a batch technique under ambient conditions. The SSA obtained was confirmed by IR spectroscopy, thermogravimetry and 13C NMR, and deg...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pinto TF,Bezerra CW,Silva DS,Silva EC Filho,Vieira AP,Airoldi C,Melo JC,Silva HA,Santana SA

更新日期：2016-09-01 00:00:00

abstract：:This study covers the evaluation of the structure and the capacity in adsorbing orthophosphate ions of kaolinites collected from sampling sites in Manaus (Brazil). The kaolinites were obtained using physical fractioning (sieving/siphoning) techniques and chemical treatment with HCl, H2SO4, H2O2 and KCl. The investigat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva MSE,Lages AS,Santana GP

更新日期：2017-07-01 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：: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：:The Epinephelidae form a group of species of high biological and economical interests. It´s phylogeographic patterns are not well known especially the distributed populations in the western region of the Atlantic Ocean. Among the representatives is a small species called Cephalopholis fulva, Coney, which presents a wi...

journal_title：Anais da Academia Brasileira de Ciencias

authors： De Souza AS,Dias Júnior EA,Galetti PM Jr,Machado EG,Pichorim M,Molina WF

更新日期：2015-03-01 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：: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：:Annulated thienopyrimidine derivatives attracted big interest of the scientific community due to their broad spectrum of biological activities among which are the inhibition of phosphodiesterase, antiproliferative and antimicrobial activities. As a continuation of our studies on the synthesis and biological activity o...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sirakanyan SN,Geronikaki A,Spinelli D,Hakobyan EK,Kartsev VG,Petrou A,Hovakimyan AA

更新日期：2018-04-23 00:00:00

abstract：:Life history traits are considered key indicators of plant invasibility. Among them, the germination behavior of seeds is of major relevance because it is influenced by environmental factors of invaded ecosystem. Here, we investigated how seed traits and seed tolerance to environmental factors on seed germination of C...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Leal LC,Meiado MV,Lopes AV,Leal IR

更新日期：2013-09-01 00:00:00

abstract：:Geopropolis is a special type of propolis produced by stingless bees. Several pharmacological properties have been described for different types of geopropolis, but there have been no previous studies of the geopropolis from Melipona mondury. In this study, we investigated the antioxidant, antibacterial, and antiproli...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Santos TLAD,Queiroz RF,Sawaya ACHF,Lopez BG,Soares MBP,Bezerra DP,Rodrigues ACBC,Paula VF,Waldschmidt AM

更新日期：2017-01-01 00:00:00

abstract：:Mangiferin, present in Mangifera indica bark, was reported to produce hypoglycemic and antidiabetic activity in an animal model of genetic type 2 diabetes and in streptozotocin diabetic rats. Its effect on diabetic insulin-resistant animals has not been investigated. The current work aimed to explore the effect of man...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Saleh S,El-Maraghy N,Reda E,Barakat W

更新日期：2014-12-01 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：: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：: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：: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