Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Glória M. Vinhas"'
Autor:
Iago M. F. C. R. e Silva, Gabriel A. Carrijo-Gonçalves, Lhaira S. Barreto, Luiz Carlos Salay, Glória M. Vinhas, Idalina V. Aoki, Miriam S. Tokumoto, Vera R. Capelossi
Publikováno v:
Materials Research, Vol 27, Iss suppl 1 (2024)
Research on eco-friendly methods led to the investigation of natural inhibitors and silane films modified with nanostructured mesoporous silica (SBA-15), a molecular sieve that can carry molecules with inhibitory properties. Combining natural extract
Externí odkaz:
https://doaj.org/article/6128f46c36f14d07aa3e4613db8ac522
Autor:
Mônica F. B. Rocha, Maurício F. de Aguiar, Glória M. Vinhas, Celso P. de Melo, Carolina L. Morelli, Kleber G. B. Alves
Publikováno v:
Materials Research, Vol 26, Iss suppl 1 (2023)
We discuss the preparation of Polypyrrole and Polylactic Polyacid (PPy/PLA) based blends and the subsequent investigation of their antibacterial properties. After being molded through injection processing, the blends were characterized by Fourier tra
Externí odkaz:
https://doaj.org/article/aebf8bcc58654b6ebd2ac302c90507f8
Publikováno v:
Frontiers in Microbiology, Vol 8 (2017)
Cellulose is mainly produced by plants, although many bacteria, especially those belonging to the genus Gluconacetobacter, produce a very peculiar form of cellulose with mechanical and structural properties that can be exploited in numerous applicati
Externí odkaz:
https://doaj.org/article/3646a4efad2e4e6985bcc57c34849fa0
Autor:
Ana C. Brito, Glória M. Vinhas, Yêda M. B. de Almeida, Renate M. R. Wellen, Eduardo L. Canedo, Marcelo S. Rabello
Publikováno v:
Polímeros, Vol 22, Iss 2, Pp 111-116 (2012)
O presente trabalho investigou o efeito da adição de baixas concentrações (0,5 e 1,0%) de poli(3-hidroxibutirato) (PHB) na cristalização isotérmica a frio do poli(tereftalato de etileno) (PET). As curvas de energia foram obtidas por calorimetr
Externí odkaz:
https://doaj.org/article/e8d61deffaec4c6da97bf93a731701f9
Publikováno v:
Polímeros, Vol 19, Iss 4, Pp 313-317 (2009)
Photodegradation of LDPE/modified starch blends 80/20 m/m has been examined by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X ray diffraction (DRX) before and after exposure to ultraviolet radiation (UV). Sam
Externí odkaz:
https://doaj.org/article/327c005b091f4888bd32a5963818349e
Publikováno v:
Polímeros, Vol 18, Iss 3, Pp 270-276 (2008)
O crescimento do consumo de plásticos vem gerando grandes problemas ambientais, pois um polímero, uma vez descartado no ambiente, necessita de mais de cem anos para se degradar. O plástico ideal deve apresentar propriedades industriais desejáveis
Externí odkaz:
https://doaj.org/article/1491e560459142508ab49eb2a5a2c6ba
Autor:
Glória M. Vinhas, Yêda M. B. de Almeida, Maria Alice Gomes de Andrade Lima, Lívia Almeida Santos
Publikováno v:
Química Nova, Vol 30, Iss 7, Pp 1584-1588 (2007)
This work deals with the biodegradation of blends of poly(beta-hydroxybutyrate)/starch and poly(beta-hydroxybutyrate-co-hydroxyvalerate)/starch. The blends were obtained by evaporation of the solvent in the mixture of the polymers in chloroform. Test
Externí odkaz:
https://doaj.org/article/c7cde4fe85fe410582200af1de135cde
Autor:
Juliana D. C. Souza, Rogerio V. de Azevedo Júnior, Glória M. Vinhas, Nathalia B. D. Lima, Andréa M. S. S. Brito
Publikováno v:
Química Nova, Vol 41, Iss 4, Pp 394-399
A novel sensing phase of polyurethane was predicted by quantum chemical calculations as capable of detecting toluene, with the experimental results revealing a limit of detection of 1.4 mg L-1 in the determination of toluene in water samples. The qua
Externí odkaz:
https://doaj.org/article/1a5d1b38371d49208ec67c9e11cd0d7d
Autor:
Vithória A. D. Marinho, Fernanda M. Sousa, Glória M. Vinhas, Yeda Medeiros B. Almeida, Laura H. Carvalho
Publikováno v:
Polymer Bulletin. 80:7627-7640
Autor:
Karina C de Souza, Gabriela R dos Santos, Felipe CS Trindade, Andréa Fernanda de S Costa, Yeda MB de Almeida, Leonie A Sarubbo, Glória M Vinhas
Publikováno v:
Polymers and Polymer Composites. 29:S1466-S1474
Bacterial cellulose (BC) is a promising option for ecologically viable processes. In this work, BC was produced using starch hydrolysate (rice and corn flakes) as carbon sources. The starch was hydrolyzed by fungus for glucose production. A maximum y