Now showing items 21-40 of 210

    • Thermoluminescence features of MgB4O7:Tb phosphor 

      Kawashima, Yasmin Sayuri; Gugliotti, Caroline Ferreira; Yee, Márcio; Tatumi, Sonia Hatsue [UNIFESP]; Mittani, Juan Carlos Ramirez (Elsevier B.V., 2014-02-01)
      In the present work, polycrystalline samples of MgB4O7 doped with terbium at different concentrations were synthesized using the solvent evaporation method. the sample doped with 1 mol% of Tb presented the highest luminescence ...
    • The Naked Coral'' Hypothesis Revisited - Evidence for and Against Scleractinian Monophyly 

      Kitahara, Marcelo Visentini [UNIFESP]; Lin, Mei-Fang; Foret, Sylvain; Huttley, Gavin; Miller, David J.; Chen, Chaolun Allen (Public Library Science, 2014-04-16)
      The relationship between Scleractinia and Corallimorpharia, Orders within Anthozoa distinguished by the presence of an aragonite skeleton in the former, is controversial. Although classically considered distinct groups, ...
    • The influence of allochthonous macroalgae on the fish communities of tropical sandy beaches 

      Andrades, Ryan; Gomes, Marcelo Paes; Pereira-Filho, Guilherme Henrique [UNIFESP]; Souza-Filho, Jesser Fidelis de; Albuquerque, Cristiano Queiroz de; Martins, Agnaldo Silva (Elsevier B.V., 2014-05-01)
      This study evaluates the hypothesis that detached macroalgae (drift algae) influence the structure of fish communities in the surf-zones of two tropical sandy beaches from the central coast of Brazil. Surf-zone seine hauls ...
    • Synthesis Process Controlled of Semimagnetic Bi2-xMnxS3 Nanocrystals in a Host Glass Matrix 

      Silva, Ricardo Souza; Silva, Jéssica Terra Teodoro da; Rocha, Vinícius Rodrigues; Cano, Nilo Francisco [UNIFESP]; Silva, Anielle Christine Almeida; Dantas, Noelio Oliveira (Amer Chemical Soc, 2014-08-14)
      Semimagnetic Bi2-xMnxS3 nanocrystals (NCs) with a mean size of approximately 4.0 nm were successfully synthesized by fusion in a host glass and investigated by several experimental techniques. Transmission electron microscopy ...
    • Testing for nematode-granulometry relationships 

      Fonseca, Gustavo Fernandes Camargo [UNIFESP]; Maria, T. F.; Kandratavicius, N.; Venekey, V.; Gheller, P. F.; Gallucci, Fabiane [UNIFESP] (Springer, 2014-09-01)
      The majority of studies have advocated that diversity of marine nematodes increases with increasing sediment grain size, although the opposite trend has also been suggested. the controversy is partially caused by not taking ...
    • Environmental assessment of dredged sediment in the major Latin American seaport (Santos, São Paulo - Brazil): An integrated approach 

      Cesar, Augusto [UNIFESP]; Lia, L. R. B.; Pereira, Camilo Dias Seabra [UNIFESP]; Santos, A. R.; Cortez, F. S.; Choueri, Rodrigo Brasil [UNIFESP]; De Orte, M. R. [UNIFESP]; Rachid, B. R. F. (Elsevier B.V., 2014-11-01)
      This work offers an environmental assessment of a dredged sediment disposal area in Santos bay, situated on the central coast of the São Paulo State, Brazil. Sediment quality was evaluated through physicochemical analysis ...
    • The Impact of Haze on Performance Ratio and Short-Circuit Current of PV Systems in Singapore 

      Liu, Haohui; Nobre, Andre Maia; Yang, Dazhi; Ye, Jia Ying; Martins, Fernando Ramos [UNIFESP]; Ruether, Ricardo; Reindl, Thomas; Aberle, Armin G.; Peters, Ian Marius (Ieee-inst Electrical Electronics Engineers Inc, 2014-11-01)
      The spectral content of sunlight directly affects the power output of solar photovoltaic (PV) devices. the extent of the effect of seasonal and weather-related spectral variations on the power output will depend largely ...
    • OSL and EPR dating of pottery from the archaeological sites in Amazon Valley, Brazil 

      Cano, Nilo Francisco; Munita, Casimiro S.; Watanabe, Shigueo; Barbosa, Renata de Faria; Chubaci, Jose F. D.; Tatumi, Sonia Hatsue [UNIFESP]; Neves, Eduardo G. (Elsevier B.V., 2014-11-26)
      Pottery fragments from the Hatahara archaeological site, Amazon Valley, have been dated by thermoluminescence (TL), optically stimulated luminescence (OSL) and electron paramagnetic resonance (EPR) techniques. X-ray ...
    • Chromomycin A2 Induces Autophagy in Melanoma Cells 

      Guimaraes, Larissa Alves; Jimenez, Paula Christine [UNIFESP]; Silva Sousa, Thiciana da; Freitas, Hozana Patricia S.; Rocha, Danilo Damasceno; Wilke, Diego Veras; Martin, Jesus; Reyes, Fernando; Loiola Pessoa, Otilia Deusdenia; Costa-Lotufo, Leticia Veras (Mdpi Ag, 2014-12-01)
      The present study highlights the biological effects of chromomycin A2 toward metastatic melanoma cells in culture. Besides chromomycin A2, chromomycin A3 and demethylchromomycin A2 were also identified from the extract ...
    • Dating human occupation at Toca do Serrote das Moendas, Sao Raimundo Nonato, Piaui-Brasil by electron spin resonance and optically stimulated luminescence 

      Kinoshita, Angela; Skinner, Anne R.; Guidon, Niede; Ignacio, Elaine; Felice, Gisele Daltrini; Buco, Cristiane de A.; Tatumi, Sonia Hatsue [UNIFESP]; Yee, Márcio [UNIFESP]; Figueiredo, Ana Maria Graciano; Baffa, Oswaldo (Elsevier B.V., 2014-12-01)
      Excavation of Toca do Serrote das Moendas, in Piaui state, Brazil revealed a great quantity of fossil wild fauna associated with human remains. in particular, fossils of a cervid (Blastocerus dichotomus) were found, an ...
    • Thermo luminescence and optically stimulated luminescence characteristics of Al2O3 doped with Tb 

      Soares, J. V.; Gugliotti, C. F.; Kawashima, Y. S.; Tatumi, Sonia Hatsue [UNIFESP]; Mittani, Juan Carlos Ramirez [UNIFESP] (Elsevier B.V., 2014-12-01)
      In the present work policrystals of alpha - Al2O3 doped with terbium were synthesized using the solvent evaporation method. the samples were prepared using Al(NO3)(3)center dot 9H(2)O and Tb(NO3)(3).5H(2)O reagents, with ...
    • Thermo luminescence in two varieties of jadeite: Irradiation effects and application to high dose dosimetry 

      Barbosa, Renata de Faria [UNIFESP]; Cano, Nilo Francisco [UNIFESP]; Watanabe, Shigueo; Guttler, Rainer A. S.; Reichmann, Fernando (Elsevier B.V., 2014-12-01)
      The thermoluminescence properties of white (WJ) and green (GJ) mineral jadeite have been investigated with a view to be of use in high dose dosimetry. WJ presented glow curve with 110,190 and 235 degrees C peaks. All these ...
    • A Critical Comparison of Different Approaches to Sediment-Quality Assessments in the Santos Estuarine System in Brazil 

      Torres, Ronaldo José [UNIFESP]; Cesar, Augusto [UNIFESP]; Pastor, Victor A.; Pereira, Camilo Dias Seabra [UNIFESP]; Choueri, Rodrigo Brasil [UNIFESP]; Cortez, Fernando Sanzi; Morais, Rodofley Davino; Abessa, Denis Moledo de Souza; Nascimento, Marcos R. L. do; Morais, Cassia R.; Fadini, Pedro S.; DelValls, Tomas Ángel; Mozeto, Antonio Aparecido (Springer, 2015-01-01)
      This study focuses on the discussion of different lines of evidence (LoEs) applied to a sediment-quality assessment that considered the following: chemical concentrations of metals; polycyclic aromatic hydrocarbons (PAHs) ...
    • High- and very-high-dose dosimetry using silicate minerals 

      Watanabe, Shigueo; Cano, Nilo Francisco [UNIFESP]; Carmo, Lucas S.; Barbosa, Renata de Faria [UNIFESP]; Chubaci, Jose F. D. (Elsevier B.V., 2015-01-01)
      In the present study, certain natural silicate minerals such as aquamarine (AB), morganite (PB), goshenite (WB), white jadeite (JW), green jadeite (JG), pink tourmaline (PT) and two varieties of jadeite-like quartz, denoted ...
    • Interactive effects of grazing and environmental stress on macroalgal biomass in subtropical rocky shores: Modulation of bottom-up inputs by wave action 

      Flores, Augusto A. V.; Christofoletti, Ronaldo Adriano [UNIFESP]; Peres, Ana Luisa F.; Ciotti, Aurea M.; Navarrete, Sergio A. (Elsevier B.V., 2015-02-01)
      In contrast to what is observed in most temperate regions, perennial macroalgae are rare at the mid intertidal level of tropical and subtropical shores, and energy transfer through benthic herbivores largely relies on the ...
    • A large red-shift in the photoluminescence emission of Mg1-xSrxTiO3 

      Nakata, Mayumi M.; Mazzo, Tatiana Martelli [UNIFESP]; Casali, Graziela P.; La Porta, Felipe A.; Longo, Elson (Elsevier B.V., 2015-02-16)
      In this letter, we report a detailed study of the influence of the synthesis and the optical properties of Sr-doped MgTO3 powders synthesized via a polymeric precursor method. Our findings explain the shift in PL behavior ...
    • High Connectivity of the Crocodile Shark between the Atlantic and Southwest Indian Oceans: Highlights for Conservation 

      Ferrette, Bruno Lopes da Silva; Mendonça, Fernando Fernandes [UNIFESP]; Coelho, Rui; Oliveira, Paulo Guilherme Vasconcelos de; Vieira Hazin, Fabio Hissa; Romanov, Evgeny V.; Oliveira, Claudio; Santos, Miguel Neves; Foresti, Fausto (Public Library Science, 2015-02-17)
      Among the various shark species that are captured as bycatch in commercial fishing operations, the group of pelagic sharks is still one of the least studied and known. Within those, the crocodile shark, Pseudocarcharias ...
    • Study of luminescence, color and paramagnetic centers properties of albite 

      Cano, Nilo Francisco [UNIFESP]; Santos, Lara H. E. dos; Chubaci, Jose F. D.; Watanabe, Shigueo (Elsevier B.V., 2015-02-25)
      A sample of natural albite, NaAlSi3O8, from the state of Minas Gerais, Brazil, has been investigated. the mineral is a solid solution of K-feldspar (4600 ppm - K) and Ca-feldspar (1100 ppm - Ca). the TL spectra of natural ...
    • Temporal and spatial distribution of young Brachyplatystoma spp. (Siluriformes: Pimelodidae) along the rapids stretch of the Madeira River (Brazil) before the construction of two hydroelectric dams 

      Cella-Ribeiro, A.; Assakawa, L. F.; Torrente-Vilara, Gislene [UNIFESP]; Zuanon, J.; Leite, R. G.; Doria, C.; Duponchelle, F. (Wiley-Blackwell, 2015-04-01)
      Monthly (April 2009 to May 2010) bottom-trawl sampling for Brachyplatystoma species along the rapids stretch of the Madeira River in Brazil revealed that Brachyplatystoma rousseauxii larvae and juveniles were present in ...
    • Dating and determination of firing temperature of ancient potteries from São Paulo II archaeological site, Brazil by TL and EPR techniques 

      Cano, Nilo Francisco [UNIFESP]; Ribeiro, Rogerio B.; Munita, Casimiro S.; Watanabe, Shigueo; Neves, Eduardo G.; Tamanaha, Eduardo K. (Elsevier B.V., 2015-05-01)
      Pottery fragments from São Paulo II (SPII) archaeological site were dated by means of thermoluminescence (TL) and electron paramagnetic resonance (EPR). EPR was used to study the firing temperature using the iron signal ...