Zobrazeno 1 - 10
of 86
pro vyhledávání: '"José Ribeiro dos Santos"'
Autor:
Helttoney Antonio Rodrigues da Silva, Keleen M. Barbosa, Raiedhah A. Alsaiari, Gabriela Nunes Silva, João Luiz de Oliveira Maciel Junior, Alex Sander Rodrigues Cangussu, Sergio Bitencourt Araujo Barros, Luelc S. da Costa, José Ribeiro dos Santos Junior, Carla Verônica R. De Moura, Mabkhoot Alsaiari, Vaeudo Valdimiro de Oliveira, Anna K. dos S. Pereira, Lucas Samuel S. Santos, Abdur Rahim
Publikováno v:
ACS Omega, Vol 8, Iss 42, Pp 39023-39034 (2023)
Externí odkaz:
https://doaj.org/article/b59ec41ef5bf403a80205a0a2f98a65e
Autor:
Ferdinando Marco Rodrigues Borges, Wênio Fhará Alencar Borges, Rafaela Luiz Pereira Santos, Valdemar Silva Leal, José Ribeiro dos Santos Júnior, Anderson Oliveira Lobo, Rômulo Ribeiro Magalhães de Sousa
Publikováno v:
Materials Research, Vol 24, Iss 6 (2021)
Super duplex stainless steel (SDSS) combines corrosion resistance and mechanical properties, interesting to applications in the oil extraction industry. In this process, wear between the tools friction and rocky materials occurs with SDSS pipes. Due
Externí odkaz:
https://doaj.org/article/582b522719104d72a87d7091bfee9293
Autor:
Evânia Carvalho dos Santos, Rafael Marinho Bandeira, Maria Leticia Vega, José Ribeiro dos Santos Junior
Publikováno v:
Materials Research, Vol 24, Iss 4 (2021)
Abstract In this work, we presented the synthesis and characterization of poly-melamine-formaldehyde-silica (PMF‑Si) composite from poly-melamine-formaldehyde (PMF) and previously purified commercial sodium silicate used as a precursor of silica na
Externí odkaz:
https://doaj.org/article/3cf0eac8456947efbcf5e85e7d6ac577
Autor:
Josélia Borges de Moura Furtado, Paulo Afonso Furtado Filho, Thalyta Pereira Oliveira, Marlo Rodrigues de Sousa Caetano, Inês Maria de Souza Araujo, Francisco Cardoso Figueiredo, José Ribeiro dos Santos Júnior
Publikováno v:
Materials Research, Vol 23, Iss 2 (2020)
Abstract Vegetable fibers are widely used as reinforcement in the production of composites. In this work, the photodegradative potential of polymer composites containing babassu fiber was characterized and evaluated. The fibers were extracted manuall
Externí odkaz:
https://doaj.org/article/8307e10fbed8467d8e726ed79445b400
Autor:
Amanda Costa Santos, Roberto A. Sousa Luz, Luana G. França Ferreira, José Ribeiro dos Santos Júnior, Welter Cantanhêde da Silva, Frank Nelson Crespilho
Publikováno v:
Química Nova, Vol 33, Iss 3, Pp 539-546 (2010)
The interest in the chemistry of cobalt (II) tetrasulfonated phthalocyanine (PcTsCo) comes mainly from its macrocycle-ligand structure combined with their special chemical characteristics, such as high solubility, well-defined redox reactions and rem
Externí odkaz:
https://doaj.org/article/32960d30a5464982a394b58c60c1d35b
Autor:
Flamys Lena do N. Silva, José Ribeiro dos Santos Jr., José Machado Moita Neto, Rosa Lina G. do N. P. da Silva, Danilo Luiz Flumignan, José Eduardo de Oliveira
Publikováno v:
Química Nova, Vol 32, Iss 1, Pp 56-60 (2009)
Automotive gasoline consists of a complex mixture of flammable and volatile hydrocarbons derived from crude oil with carbon numbers within the range of 4-12 and boiling points range of 30-225 ºC. Its composition varies with the kind of crude oil and
Externí odkaz:
https://doaj.org/article/55fa53172b0f4241b7ce71f08f37c5c9
Autor:
Carla Eiras, Ionara Nayana Gomes Passos, Ana Cristina Facundo de Brito, José Ribeiro dos Santos Júnior, Valtencir Zucolotto, Osvaldo N. Oliveira Jr, Igor L. Kitagawa, Carlos J. L. Constantino, Helder Nunes da Cunha
Publikováno v:
Química Nova, Vol 30, Iss 5, Pp 1158-1162 (2007)
In this work we take advantage of the polyelectrolyte character of some Brazilian native gums to fabricate electrically conductive, nanostructured films. The gums Sterculia urens, (caraia), Sterculia striata (chicha) or Anadenanthera macrocarpa Benth
Externí odkaz:
https://doaj.org/article/b6a3831580994564973fd759d97d9d76
Autor:
José Renato de Oliveira Lima, Rondenelly Brandão da Silva, Carmem Cícera Maria da Silva, Lucas Samuel Soares dos Santos, José Ribeiro dos Santos Jr., Edmilson Miranda Moura, Carla Verônica Rodarte de Moura
Publikováno v:
Química Nova, Vol 30, Iss 3, Pp 600-603 (2007)
Biodiesel was obtained by transesterification of babassu oil in anhydrous ethanol and methanol, employing NaOH as catalyst. The products obtained were characterized by physico-chemical and thermogravimetric analysis. It could be concluded that the pr
Externí odkaz:
https://doaj.org/article/17f7a85263754b34b7787f964ac18583
Autor:
Suely Moura-Melo, Rebeca Miranda-Castro, Noemí de-los-Santos-Álvarez, Arturo J. Miranda-Ordieres, José Ribeiro dos Santos Junior, Rosana A. da Silva Fonseca, María Jesús Lobo-Castañón
Publikováno v:
Sensors, Vol 17, Iss 4, p 881 (2017)
The design of screening methods for the detection of genetically modified organisms (GMOs) in food would improve the efficiency in their control. We report here a PCR amplification method combined with a sequence-specific electrochemical genosensor f
Externí odkaz:
https://doaj.org/article/77bb184cc6654d9da40ee16e6253e79a
Autor:
Maysa F. Zampa, Inês Maria de S. Araújo, José Ribeiro dos Santos Júnior, Valtencir Zucolotto, José Roberto de S. A. Leite, Carla Eiras
Publikováno v:
International Journal of Analytical Chemistry, Vol 2012 (2012)
The antimicrobial peptide dermaseptin 01 (DS 01), from the skin secretion of Phyllomedusa hypochondrialis frogs, was immobilized in nanostructured layered films in conjunction with nickel tetrasulfonated phthalocyanines (NiTsPc), widely used in elect
Externí odkaz:
https://doaj.org/article/9556921e2c294b2788266bc40bc37433