Sawdust Derivative for Environmental Application: Chemistry, Functionalization and Removal of textile dye from aqueous solution.

abstract：OBJECTIVE:the aim of this study is to map thermal stress risks for human health at the São Francisco River Basin (SFRB) in the Semiarid region, for climatic scenarios RCP 4.5 and 8.5. METHODS:The heat stress conditions were defined by the Wet Bulb Globe Temperature (WBGT) indicator and by the average number of annual ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira BFA,Silveira IH,Feitosa RC,Horta MAP,Junger WL,Hacon S

更新日期：2019-10-07 00:00:00

abstract：:Byrsonima sericea leaves are extensively used in folk medicine in Brazil against gastric disorders. This study investigated the chemical constituents of B. sericea leaf ethanolic extract (BSLE) and its potential gastroprotective activity, with its possible mechanism of the action using ethanol to induce gastric mucosa...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rodrigues PA,Morais SM,Souza CM,Magalhães DV,Vieira IG,Andrade GM,Rao VS,Santos FA

更新日期：2012-03-01 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 the province of Misiones (Argentina), the filling of the Yacyretá Reservoir (Argentina-Paraguay) to its final dimensions in 2011 formed new aquatic ecosystem, e.g., Garupá Stream was converted into a subreservoir. Reports have been made in this stream of adult individuals and spawning of the Family Sciaenidae, exce...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Briñoccoli YF,Garrido GG,Alvarez A

更新日期：2020-01-01 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：:The aim of this work was to investigate the phenolic content and antioxidant capacity of infusions of commercial herb samples (fennel, anise, peppermint, lemon grass and lemon balm) popularly consumed in Brazil. The infusion preparation for phenolic extraction was optimized using multivariate planning. Spectrophotomet...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Santos WNLD,MagalhÃes BEA

更新日期：2020-11-11 00:00:00

abstract：:Given a montmorillonitic clay soil at high porosity and saturated by monovalent counterions, we investigate the particle level responses of the clay to different external loadings. As analytical solutions are not possible for complex arrangements of particles, we employ computational micromechanical models (based on t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Narsilio GA,Smith DW,Pivonka P

更新日期：2010-03-01 00:00:00

abstract：:The Brazilian records on Xenacanthiformes include teeth and cephalic spines from the Parnaíba, Amazonas and Paraná basins. This work describes a new species of Xenacanthidae, collected in an outcrop of Serrinha Member of Rio do Rasto Formation (Wordian to Wuchiapingian), Paraná Basin, municipality of Jacarezinho, Stat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pauliv VE,Dias EV,Sedor FA,Ribeiro AM

更新日期：2014-03-01 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：: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：:The tritheledontid Riograndia guaibensis was the first cynodont described for the "Caturrita Formation" fauna from the Late Triassic of southern Brazil (Santa Maria 2 Sequence). The type materials did not preserve anatomical information regarding braincase, occiput, basicranium, zygomatic arch, postdentary bones and c...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Soares MB,Schultz CL,Horn BL

更新日期：2011-03-01 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：:This paper presents a sedimentological and stratigraphical study of Quaternary (Middle to Late Pleistocene/Holocene) continental carbonates outcrops inside Pantanal Basin and its surroundings, especially in Serra da Bodoquena, Pantanal do Miranda and Corumbá/Ladário plateau, in the state of Mato Grosso do Sul, as well...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira EC,Rossetti DF,Utida G

更新日期：2017-05-01 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：:Coffee is one of the most important Brazilian agricultural commodities exported, and Minas Gerais and Espírito Santo States are the main coffee producers. Scale insects are important coffee pests, and 73 species of Cerococcidae (3), Coccidae (18), Diaspididae (6), Eriococcidae (1), Ortheziidae (3), Pseudococcidae (21)...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fornazier MJ,Martins DS,Willink MCG,Pirovani VD,Ferreira PSF,Zanuncio JC

更新日期：2017-10-01 00:00:00

abstract：:This work was carried out in two small fishing communities, Barra de Mamanguape and Tramataia, Northeastern Brazil. The aim was to study these traditional fishermen's knowledge and perception about tide and wind classifications, as well as their fishing strategies and techniques. Our research methodology involved vari...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bezerra DM,Nascimento DM,Ferreira EN,Rocha PD,Mourão JS

更新日期：2012-09-01 00:00:00

abstract：:Four soybean meal-based diets containing increasing levels of an enzyme complex (E50, E100, E150 and E200 at 50, 100, 150 and 200 g ton-1, respectively) and one soybean meal-based diet without the enzyme complex (E0) were fed in triplicate to M. liza juveniles in a semi-static flow system with 20 fish per tank for 75 ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ramos LRV,Pedrosa VF,Mori A,Andrade CFF,Romano LA,Abreu PC,Tesser MB

更新日期：2017-01-01 00:00:00

abstract：:Cyperaceae is an angiosperm family with the greatest diversity of species with Kranz anatomy. Four different types of Kranz anatomy (chlorocyperoid, eleocharoid, fimbristyloid and rhynchosporoid) have been described for this angiosperm family, and the occurrence and structural characteristics of these types are import...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Martins S,Alves M,Scatena VL

更新日期：2015-10-01 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：: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：:In the present study we analyzed morphological and metabolic alterations in dams nursing small litters and their consequences to offspring throughout lactation. Offspring sizes were adjusted to Small Litter (SL, 3 pups/ dam) and Normal Litter (NL, 9 pups/ dam). Body weight, food intake, white adipose tissue (WAT) cont...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Xavier JLP,Scomparin DX,Pontes CC,Ribeiro PR,Cordeiro MM,Marcondes JA,Mendonça FO,Silva MTD,Oliveira FB,Franco GCN,Grassiolli S

更新日期：2019-03-21 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：: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：: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 structural complexity of galls depends on species-specific interaction driven by the galling taxa. However, the host plant and environment stressors can impose limits on gall developmental patterns and impact the establishment of gall morphology. Herein, we employed qualitative and quantitative approaches in order...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira DC,Martini VC,Moreira ASFP,Fuzaro L,GonÇalves LA

更新日期：2020-10-19 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：:Drought is a natural and recurrent phenomenon. It is considered 'a natural disaster' whenever it occurs in an intensive manner in highly populated regions, resulting in significant damage (material and human) and loss (socioeconomic). This paper presents the efforts developed to monitor the impact of drought in the se...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Alvalá RCS,Cunha APMA,Brito SSB,Seluchi ME,Marengo JA,Moraes OLL,Carvalho MA

更新日期：2019-01-01 00:00:00

abstract：:The present study describes Tereancistrum flabellum n. sp. (Dactylogyridae, Ancyrocephalinae) from the gills of the anostomid fishes Leporinus friderici, Leporinus amblyrhynchus and Leporinus elongatus from two freshwater ecosystems in the south east of Brazil. This new species is mainly characterized by the morpholog...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Zago AC,Yamada FH,Franceschini L,Bongiovani MF,Yamada POF,Silva RJD

更新日期：2017-04-01 00:00:00

abstract：:Pollen grain morphology of Bromeliaceae species collected in areas of the Atlantic Rainforest of southeastern Brazil was studied. The following species were analyzed: Aechmea bambusoides L.B.Sm. & Reitz, A. nudicaulis (L.) Griseb., A. ramosa Mart. ex Schult.f., Ananas bracteatus (Lindl.) Schult.f., Billbergia distachi...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva VJ,Ribeiro EM,Luizi-Ponzo AP,Faria AP

更新日期：2016-01-01 00:00:00

abstract：:Coronary artery calcification is an early marker of subclinical atherosclerosis, but little research has been done in asymptomatic individuals under 45 years. In this cohort study with 17 years of follow-up, 155 participants were assessed in 2016 with a coronary calcium score for the association with cardiovascular ri...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Poletto S,Schvartzman PR,Bruscato NM,Moriguchi E

更新日期：2018-09-01 00:00:00