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NEWSLETTER 14Annals of the Brazilian Academy of Sciences |
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This issue of the Annals of the Brazilian Academy of Sciences presents a total of 35 original contributions about a variety of subjects, ranging from Physics to Social Sciences. Contrary to previous volumes, the majority of papers presented here belong to Agrarian Sciences, and there is a growing trend in the last years of submissions in this area. Among the highlights is a study on several aspects of potato quality after irradiation with different doses of Cobalt-60. The ultimate aim of this kind of research is to increase shelf life of vegetables for human consumption. Other contributions regarding Agrarian Sciences published here focus on methods that assess the quality of grains during storing procedures, meat quality, charcoal identification, stability of anthocyanins, soil and water management, and the assessment of soil phosphatase. In Chemical Sciences, this volume presents a contribution that addresses the question on how mercury - a dangerous pollutant - is transferred and accumulated in some fish with some quite interesting results. |
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Regarding Earth Sciences, there are two papers on paleontology: the first analyzing the diversity of glyptodonts, an extinct group of armored herbivore mammals that resembles modern armadillos and are important elements of the megafauna (giant mammals that once roomed the Earth); and the second describing new fossils of late Pleistocene echimyids - a group of rodents including spiny rats, tree rats and the coypu that are still quite diverse in South America nowadays. There is also a study comparing dating methods of human and shell remains from a site located in northeastern Brazil. Others highlights of this issue include two interesting contributions addressing the problematic of fish contamination by nematode larvae and phenol concentration, respectively (Biological Sciences); a meta-analysis regarding mesothelin, that is used as a biomarker for a widespread woman disease: ovarian carcinoma (Health Sciences); and a new method that establishes the influence of lake morphology regarding evaporation and reservoir yield (Engineering Sciences). Last but not least, I would like to call your attention to a paper that discusses the interaction of Brazilian scientists and the media (Social Sciences). Please keep in mind that since 2000 all papers published by the AABC can be downloaded free of charge at the SciELO site and previous edition of the Newsletter are available at the ABC website. We are now inviting you to scroll through the text and click on the title of the article that interests you! Alexander W. A. Kellner |
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PHYSICAL SCIENCES |
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1-Relevance of Hydrodynamic Effects for the Calculation of Outer Surface Potential of Biological Membrane Using Electrophoretic Data
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2-Tunneling effects in resonant acoustic scattering of an air bubble in unbounded water
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CHEMICAL SCIENCES |
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3-Application of modified simplex on the development of a preconcentration system for cadmium determination in sediments, food and cigarettes
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4-Mercury bioaccumulation and isotopic relation between Trichiurus lepturus (Teleostei) and its preferred prey in coastal waters of southeastern Brazil
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EARTH SCIENCES |
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5-Regarding the real diversity of Glyptodontidae (Mammalia, Xenarthra) in the late Pliocene (Chapadmalalan Age/Stage) of Argentina
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6-Late Pleistocene echimyid rodents (Rodentia, Hystricognathi) from northern Brazil
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7-Dating of fossil human teeth and shells from Toca do Enoque site at Serra das Confusões National Park, Brazil
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BIOLOGICAL SCIENCES |
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8-Nematode larvae infecting Priacanthus arenatus Cuvier, 1829 (Pisces: Teleostei) in Brazil
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9-Metabolic responses of channel catfish (Ictalurus punctatus) exposed to phenol and post-exposure recovery
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10-Palynological analysis of Dennstaedtiaceae taxa from the Paranaense Phytogeographic Province that produce Trilete spores II: Microlepia speluncae and Pteridium arachnoideum
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11-The influence of fire on the assemblage structure of foraging birds in grasslands of the Serra da Canastra National Park, Brazil
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12-Seasonality of reproduction of epiphytic bryophytes in flooded forests from the Caxiuanã National Forest, Eastern Amazon
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13-Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil
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HEALTH SCIENCES |
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14-Mesothelin as a biomarker for ovarian carcinoma: a meta-analysis
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15-The effects of coconut oil supplementation on the body composition and lipid profile of rats submitted to physical exercise
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AGRARIAN SCIENCES |
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16-Physico-chemical and sensory evaluation of potato (Solanum tuberosum L.) after irradiation
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17-Antioxidant activity of oils extract from orange (Citrus sinensis) seeds
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18-An examination of soil and water conservation practices in the paddy fields of Guilan province, Iran
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19-Floristic evolution in an agroforestry system cultivation in Southern Brazil
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20-Bovine meat and bone meal is an economically viable alternative in quail feeding in the initial phase
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21-Branching, flowering and fruiting of Jatropha curcas treated with ethephon or benzyladenine and gibberellins
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22-In vitro antifungal activity of four chemotypes of Lippia alba (Verbenaceae) essential oils against Alternaria solani (Pleosporeaceae) isolates
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23-Probiotic level effects on growth performance, carcass traits, blood parameters, cecal microbiota, and immune response of broilers
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24-Development of Dichelops melacanthus and its egg parasitoid Telenomus podisi reared on Bt-soybean MON 87701 x MON 89788 and its near conventional isoline under different temperatures
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25-Assessment and kinetics of soil phosphatase in Brazilian savanna systems
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26-A contribution to the identification of charcoal origin in Brazil II – Macroscopic characterization of Cerrado species
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27-Extraction of bioactive compounds and free radical scavenging activity of purple basil (Ocimum basilicum L.) leaf extracts as affected by temperature and time
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28-Physiological behavior of bean’s seeds and grains during storage
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29-Influence of Duroc breed inclusion into Polidh Landrace maternal line on pork meat quality traits
Crossbreeding with Duroc breed could allow to improve meat quality, but little attention is available regarding influence of specific crossbreeding. The effect of crossbreeding of Polish Landrace dames with Duroc sires on quality features of meat in reference to Polish Landrace breed indicated no effect on sarcomere length, shear force, despite influence on fat content. Moreover no statistically effect on components of color measured in CIE L*a*b* system was stated, while for hue angle influence was observed.
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ENGINEERING SCIENCES |
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30-Active inductor based fully integrated cmos transmit/receive switch for 2.4 GHz RF transceiver
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31-Interconnection between microstructure and microhardness of directionally solidified binary Al-6wt.%Cu and multicomponent Al-6wt.%Cu-8wt.%Si alloys
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32-Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil
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33-Equilibrium pricing and ordering policies in a two-echelon supply chain in the presence of strategic customers
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34-Determinism, chaos, self -organization and entropy
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SOCIAL SCIENCES |
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35-Scientists in the public sphere: Interactions of scientists and journalists in Brazil
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Annals of the Brazilian Academy of Sciences
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