Zobrazeno 1 - 10
of 240
pro vyhledávání: '"Humberto Gracher Riella"'
Autor:
Camila de Moura Strieder, Domingos Lusitâneo Pier Macuvele, Cíntia Soares, Natan Padoin, Humberto Gracher Riella
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6376-6388 (2024)
Nanotechnology is undoubtedly our century's leading scientific and technological breakthrough since it encounters applications in several fields. In parallel, modern societies are facing drawbacks related to environmental concerns. For this reason, s
Externí odkaz:
https://doaj.org/article/e56a0935524043c2ad1670c57e464414
Autor:
Felipe Zanette da Silveira, Márcio Antônio Fiori, Tiago Elias Allievi Frizon, Luiz Fernando Belchior Ribeiro, Gustavo Lopes Colpani, Humberto Gracher Riella
Publikováno v:
Materials Research, Vol 27 (2024)
The work evaluated the nucleating effect of nanometric zirconia (Zr-NP), obtained by the green sol-gel synthesis route using Euclea natalensis root extract as a reductant, in the low-density polyethylene (LDPE). The Zr-NP was characterized with x-ray
Externí odkaz:
https://doaj.org/article/c6d7687142be4dabbd273efbf9b9bd45
Autor:
Juliana De Gregori da Rocha, Maria Alice Prado Cechinel, Larissa Fátima Rocha, Humberto Gracher Riella, Natan Padoin, Cíntia Soares
Publikováno v:
Chemical Engineering Journal Advances, Vol 17, Iss , Pp 100583- (2024)
Carbon dots (CDs) are nanostructures containing mainly carbon atoms and abundant functional groups. With remarkable and adjustable physicochemical properties, CDs have excellent hydrophilicity, photoluminescence (PL), biocompatibility, and low toxici
Externí odkaz:
https://doaj.org/article/381e504ab9bd4e719f295ab17335f619
Autor:
Afonso Henrique da Silva Júnior, Domingos Lusitâneo Pier Macuvele, Humberto Gracher Riella, Cíntia Soares, Natan Padoin
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 688-716 (2021)
Carbon dots (CDs) are versatile nanoparticles with great potential for biological and environmental applications. CDs have unique characteristics such as high photostability, low cytotoxicity, size below 10 nm, rapid synthesis, and easy functionaliza
Externí odkaz:
https://doaj.org/article/b92da1c495e844a8bcde70ebfef4787a
Autor:
Tiago Zanatta, Rozineide A. Antunes Boca Santa, Natan Padoin, Cíntia Soares, Humberto Gracher Riella
Publikováno v:
Journal of Materials Research and Technology, Vol 11, Iss , Pp 121-134 (2021)
This work aimed to develop eco-friendly ceramic tiles employing by-products of porcelain stoneware manufacturing as raw material, based on three technical-economic premises: designing new products that respect the standards; avoid using by-products a
Externí odkaz:
https://doaj.org/article/a2793e4035cf4218baab8ac8f16c9b09
Autor:
Francielen Kuball Silva, Rozineide A. Antunes Boca Santa, Márcio Antônio Fiori, Thiago Fernandes de Aquino, Cíntia Soares, Maria Ana Pignatel Marcon Martins, Natan Padoin, Humberto Gracher Riella
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 8937-8952 (2020)
The reuse and recycling of industrial waste for the production of new materials can be a viable alternative to contribute to environment preservation. An industrial process known to generate an important amount of waste is the anodization in the alum
Externí odkaz:
https://doaj.org/article/6f2758193b4e428ebdf9ce20d95142c7
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 1, Pp 994-1004 (2020)
Due to their versatility e wide range of physical and chemical properties, transition metal oxides are very promising as nanostructured materials. Copper oxides are indicated for applications in increasingly wider areas as gas sensing, catalysts, sol
Externí odkaz:
https://doaj.org/article/1f51fd2950d34109aef894119fb962f6
Autor:
Gabriela Xavier de Oliveira, Jéssica Oliveira de Brito Lira, Humberto Gracher Riella, Cíntia Soares, Natan Padoin
Publikováno v:
Frontiers in Chemical Engineering, Vol 3 (2022)
From the pharmaceutical industry’s point of view, photoredox catalysis has emerged as a powerful tool in the field of the synthesis of added-value compounds. With this method, it is possible to excite the catalyst by the action of light, allowing e
Externí odkaz:
https://doaj.org/article/76642eee539a42968167d3557e566768
Autor:
Camila da Silva Gonçalves, Adriano Michael Bernardin, Rozineide Aparecida Antunes Boca Santa, Cassio Leoni, Geraldo Jorge Mayer Martins, Claudia Terezinha Kniess, Humberto Gracher Riella
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 57, Iss 4, Pp 142-150 (2018)
Mineral coal bottom ash exerts a great impact on the environment due to the presence of heavy metals in its composition and the lack of an adequate area for disposal. Vitreous materials were synthesized from bottom ash to be employed as a by-product.
Externí odkaz:
https://doaj.org/article/8780b5d9627b4c00a988f9cfd46557fe
Autor:
João Batista Silva Neto, Elita Fontenele Urano de Carvalho, Rafael Henrique Lazzari Garcia, Adonis Marcelo Saliba-Silva, Humberto Gracher Riella, Michelangelo Durazzo
Publikováno v:
Nuclear Engineering and Technology, Vol 49, Iss 8, Pp 1711-1716 (2017)
Uranium tetrafluoride (UF4) is the most used nuclear material for producing metallic uranium by reduction with Ca or Mg. Metallic uranium is a raw material for the manufacture of uranium silicide, U3Si2, which is the most suitable uranium compound fo
Externí odkaz:
https://doaj.org/article/7c354cd3a62244f2aa5262797d29aa0b