Now showing items 844-863 of 1033

    • (R)-2-Phenoxy-1-(4-phenyl-2-sulfanylidene-1,3-oxazolidin-3-yl)ethanone 

      Caracelli, Ignez; Coelho, Daniel C. S.; Olivato, Paulo R.; Correra, Thiago C.; Rodrigues, Alessandro [UNIFESP]; Tiekink, Edward R. T. (Wiley-Blackwell, 2011-10-01)
      The central 1,3-oxazolidine-2-thione ring in the title compound, C17H15NO3S, is approximately planar with maximum deviations of 0.036 (4) and -0.041 (5) angstrom for the O and methylene-C atoms, respectively. the dihedral ...

    • Radical acylation of L-lysine derivatives and L-lysine-containing peptides by peroxynitrite-treated diacetyl and methylglyoxal 

      Tokikawa, R.; Loffredo, C.; Uemi, M. [UNIFESP]; Machini, M. T.; Bechara, E. J. H. [UNIFESP] (Informa Healthcare, 2014-03-01)
      Highly electrophilic alpha-dicarbonyls such as diacetyl, methylglyoxal, 3-deoxyglucosone, and 4,5- dioxovaleric acid have been characterized as secondary catabolites that can aggregate proteins and form DNA nucleobase ...

    • Raman spectra of polymer electrolytes based on poly(ethylene glycol) dimethyl ether, lithium perchlorate, and the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate 

      Costa, Luciano T.; Siqueira, Leonardo J. A. [UNIFESP]; Nicolau, Bruno G.; Ribeiro, Mauro C. C. (Elsevier B.V., 2010-11-18)
      Raman spectra of polymer electrolytes based on poly(ethylene glycol) dimethyl ether (PEGdME) with LiClO(4), PEGdME/LiClO(4), and the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate, PEGdME/[bmim]PF(6), are ...

    • Rapid differentiation and asynchronous coevolution of male and female genitalia in stink bugs 

      Genevcius, B. C. [UNIFESP]; Caetano, D. S.; Schwertner, C. F. [UNIFESP] (Wiley, 2017)
      Despite claims that genitalia are among the fastest evolving phenotypes, few studies have tested this trend in a quantitative and phylogenetic framework. In systems where male and female genitalia coevolve, there is a ...

    • Rat pinealectomy: a modified direct visual approach 

      Maganhin, Carla Cristina [UNIFESP]; Simões, Ricardo Santos; Fuchs, Luiz Fernando Portugal [UNIFESP]; Oliveira-Filho, Ricardo Martins; Simões, Manuel de Jesus [UNIFESP]; Evêncio Neto, Joaquim; Baracat, Edmund Chada [UNIFESP]; Soares Júnior, José Maria [UNIFESP] (Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2009-08-01)
      PURPOSE: To report a new, direct visual approach for rat pinealectomy. METHODS: Eighty adult female rats (Rattus norvegicus albinus EPM-1 strain) were weighted and anesthetized intraperitoneally with 15 mg/kg xylazine and ...

    • Reactive doping of PAni-CSA and its use in microwave absorbing materials 

      Biscaro, R. S.; Rezende, M. C.; Faez, R. [UNIFESP] (Wiley-Blackwell, 2009-01-01)
      Conductive coatings have been studied for static dissipation and as microwave absorbing materials. the doping process of polyaniline (PAni), which makes it conductive, is an important stage that determines the coating ...

    • Recovery of the Paracoccidioides brasiliensis virulence after animal passage promotes changes in the antioxidant repertoire of the fungus 

      Castilho, Daniele Goncalves [UNIFESP]; Navarro, Marina V. [UNIFESP]; Chaves, Alison Felipe Alencar [UNIFESP]; Xander, Patricia [UNIFESP]; Batista, Wagner Luiz [UNIFESP] (Oxford Univ Press, 2018)
      Paracoccidioides brasiliensis is the agent of paracoccidioidomycosis (PCM), a cause of disease in healthy and immunocompromised persons in Latin America. The infection begins after inhalation of the fungal propagules and ...

    • Recurrent connections between Amazon and Atlantic forests shaped diversity in Caatinga four-eyed frogs 

      Thome, Maria Tereza C.; Sequeira, Fernando; Brusquetti, Francisco; Carstens, Bryan; Haddad, Celio F. B.; Rodrigues, Miguel Trefaut; Alexandrino, Joao [UNIFESP] (Wiley-Blackwell, 2016)
      Aim The Caatinga is a widespread but poorly known biome in South America. Its historical stability is controversial and different types of evidence provide support to contrasting hypotheses. We investigate how past biome ...

    • Redefinition of Croton macrobothrys (Euphorbiaceae), a tree species from the Brazilian Atlantic Forest, with the description of a new subspecies 

      Rossi Caruzo, Maria Beatriz [UNIFESP]; Dos Santos, Rafaela Freitas [UNIFESP]; Feio, Ana Carla; Strozi Alves Meira, Renata Maria; Riina, Ricarda (Magnolia Press, 2016)
      Croton macrobothrys subsp. septentrionalis, a new subspecies of section Cyclostigma from the Brazilian Atlantic Forest, is here described and illustrated. It occurs in moist forests between 100-1000 m of elevation in the ...

    • Redescription of the first pterosaur remains from Japan: the largest flying reptile from Asia 

      Kellner, Alexander W. A.; Costa, Fabiana R. [UNIFESP]; Wang, Xiaolin; Cheng, Xin (Taylor & Francis Ltd, 2016)
      Pterosaur remains are found in numerous deposits of the world, but most are isolated and fragmentary elements. This is the case of Japan where a small number of specimens from those volant reptiles have been reported. Here, ...

    • Rediscovery and sectional placement of Croton ichthygaster (Euphorbiaceae), a rare species from southern Brazil 

      Noronha Pereira, Amanda Da Paixao [UNIFESP]; Riina, Ricarda; Rossi Caruzo, Maria Beatriz [UNIFESP] (Magnolia Press, 2017)
      Croton ichthygaster is a rare shrubby species from the states of Parana and Santa Catarina in southern Brazil. We collected new specimens from a recently found population in Santa Catarina. This allowed us to record ...

    • Redução voltamétrica de artemisinina e sua interação com grupo heme (hemina) 

      La-Scalea, Mauro Aquiles [UNIFESP]; Silva, Hélio Santa Rosa Costa; Ferreira, Elizabeth Igne (Divisão de Biblioteca e Documentação do Conjunto das Químicas da Universidade de São Paulo, 2007-09-01)
      Malaria is the tropical disease most devastating of the world and this situation is worsened by the absence of effective treatment. However, the plasmodium resistance to artemisinin does not show clinical relevance. The ...

    • Reid vapor pressure prediction of automotive gasoline using distillation curves and multivariate calibration 

      Mendes, Gisele; Aleme, Helga Gabriela [UNIFESP]; Barbeira, Paulo J. S. (Elsevier Sci Ltd, 2017)
      Partial least squares regression (PLS) in conjunction with distillation curves (ASTM D86) were used successfully to predict the vapor pressure of automotive gasoline. The errors obtained in the calibration and validation ...

    • Reinterpreting the infrared spectrum of H plus HCN: Methylene amidogen radical and its coproducts 

      Wiens, Avery E.; Copan, Andreas V.; Rossomme, Elliot C.; Aroeira, Gustavo J. R. [UNIFESP]; Bernstein, Olivia M.; Agarwal, Jay; Schaefer, Henry F. (Amer Inst Physics, 2018)
      The methylene amidogen radical (H2CN) plays a role in high-energy material combustion and extrater-resterial atmospheres. Recent theoretical work has struggled to match experimental assignments for its CN and antisymmetric ...

    • The relationship between aerosol particles chemical composition and optical properties to identify the biomass burning contribution to fine particles concentration: a case study for Sao Paulo city, Brazil 

      de Miranda, Regina Maura; Lopes, Fabio; Rosario, Nilton Evora do [UNIFESP]; Yamasoe, Marcia Akemi; Landulfo, Eduardo; Andrade, Maria de Fatima (Springer, 2017)
      The air quality in the Metropolitan Area of Sao Paulo (MASP) is primarily determined by the local pollution source contribution, mainly the vehicular fleet, but there is a concern about the role of remote sources to the ...

    • Relationship between orofacial function, dentofacial morphology, and bite force in young subjects 

      Marquezin, M. C. S.; Gaviao, M. B. D.; Alonso, M. B. C. C.; Ramirez-Sotelo, L. R.; Haiter-Neto, F.; Castelo, P. M. [UNIFESP] (Wiley-Blackwell, 2014-09-01)
      OBJECTIVE: the aim was to evaluate the relationship between orofacial function, dentofacial morphology, and bite force in young subjects.SUBJECTS and METHODS: Three hundred and sixteen subjects were divided according to ...

    • Remoção de Pb2+ e Cr3+ em solução por zeólitas naturais associadas a rochas eruptivas da formação serra geral, bacia sedimentar do Paraná 

      Shinzato, Mirian Chieko [UNIFESP]; Montanheiro, Tarcísio José; Janasi, Valdecir de Assis; Andrade, Sandra; Yamamoto, Jorge Kazuo (Sociedade Brasileira de Química, 2009-01-01)
      The capacity of natural zeolites and its host rock (dacite) to remove Pb2+ and Cr3+ from aqueous solutions has been investigated. Results showed that both samples prefer to remove Pb2+ instead of Cr3+. Almost 100% of Pb2+ ...

    • Remote ischemic preconditioning in myocardial protection in hemodialysis patients 

      Bacci, Marcelo R.; Vasconcelos, Livia Y.; Murad, Neif; Chagas, Antonio Carlos P.; Capuano, Ana Carolina; Alves, Beatriz C. A.; Pereira, Edimar C. [UNIFESP]; Azzalis, Ligia A. [UNIFESP]; Junqueira, Virginia B. C. [UNIFESP]; Fonseca, Fernando L. A. [UNIFESP] (Dove Medical Press Ltd, 2018)
      Background: Remote ischemic preconditioning (RIPC) is a procedure that generates a brief period of ischemia followed by reperfusion. The role of RIPC in protecting myocardial ischemia during hemodialysis is not yet ...

    • Removal of glyphosate herbicide from water using biopolymer membranes 

      Carneiro, Rafael T. A.; Taketa, Thiago B.; Gomes Neto, Reginaldo J.; Oliveira, Jhones L.; Campos, Estefania V. R.; Moraes, Mariana A. de [UNIFESP]; Silva, Camila M. G. da; Beppu, Marisa M.; Fraceto, Leonardo F. (Elsevier B.V., 2015-03-15)
      Enormous amounts of pesticides are manufactured and used worldwide, some of which reach soils and aquatic systems. Glyphosate is a non-selective herbicide that is effective against all types of weeds and has been used for ...

    • Repeated stress reduces mucociliary clearance in animals with chronic allergic airway inflammation 

      Almeida-Reis, Rafael; Toledo, Alessandra Choqueta; Reis, Fabiana Gomes; Marques, Ricardo Henrique; Prado, Carla Máximo [UNIFESP]; Dolhnikoff, Marisa; Martins, Milton de Arruda; Leick-Maldonado, Edna Aparecida; Tiberio, Iolanda de Fátima Lopes Calvo (Elsevier B.V., 2010-08-31)
      We evaluated if repeated stress modulates mucociliary clearance and inflammatory responses in airways of guinea pigs (GP) with chronic inflammation. the GP received seven exposures of ovalbumin or saline 0.9%. After 4th ...