Výsledky vyhledávání - "Robert da Silva Paiva"

The Role of Residual Contaminants and Recycling Steps on Rheological Properties of Recycled Polypropylene

Autor: Robert da Silva Paiva, Isabelly Bertochi Veroneze, Magdalena Wrona, Sandra Andrea Cruz, Cristina Nerín

Publikováno v: Journal of Polymers and the Environment. 30:494-503

Recycling of polymers is one of the alternatives to reduce the impact of polymers presence on the environmental. However, the contaminants, defined as non-intentionally added substances, present in recycled material may migrate into food and also cha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8698a97411b1e60c36d7742ea3406f5
https://doi.org/10.1007/s10924-021-02214-2

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Calculation of real growth current using variable electroactive area obtained during polypyrrole synthesis

Autor: Robert da Silva Paiva, Roger Gonçalves, Ernesto C. Pereira

Publikováno v: Journal of Solid State Electrochemistry. 25:1567-1577

Among the electrochemical methods, potentiostatic electrosynthesis is the most common method for polymer deposition. In this case, it is possible to avoid undesirable reactions occurring by controlling the synthesis potential. However, this method do

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::adcabd8aa1c0a8a2d3970e6901ddf6e4
https://doi.org/10.1007/s10008-021-04938-6

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Mapping the electronic structure of polypyrrole with image‐based electrochemical scanning tunneling spectroscopy

Autor: Angel Cuesta, Ernesto C. Pereira, Roger Gonçalves, Robert da Silva Paiva, Jonathan A. Mwanda, Andrés M. R. Ramírez

Publikováno v: Electrochemical Science Advances. 2

ACKNOWLEDGMENTS The support of this research by FAPESP (grants: 2013/07296-2, 2014/50249-8, 2015/12851-0, 2017/11986-5), Shell, CsF-PVE (99999.007708/2015-07), Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) - Finance Cod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44cdb02205ee2e9c82dd5adabb752b44
https://doi.org/10.1002/elsa.202100028

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Bioactive Ag3PO4/Polypropylene Composites for Inactivation of SARS-CoV?2 and Other Important Public Health Pathogens

Autor: Robert da Silva Paiva, Felipe Lipsky, Dyovani Coelho, Ieda Lúcia Viana Rosa, Lauana Fogaça de Almeida, Lara Kelly Ribeiro, Marcelo Assis, Rejane Maria Tommasini Grotto, Mariana O. Gonçalves, Cristina Paiva de Sousa, Lais R. Lima, Juan Andrés, Elson Longo, Lucia H. Mascaro, Miguel A. San-Miguel, Sandra Andrea Cruz, Leonardo Nazario de Moraes

Publikováno v: Repositori Universitat Jaume I
Universitat Jaume I
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Made available in DSpace on 2022-04-28T19:45:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01 The current unprecedented coronavirus pandemic (COVID-19) is increasingly demanding advanced materials and new technologies to protect us and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b1748223a4e6575f6a8638221dc36de
http://hdl.handle.net/10234/195376

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Importance of profile of volatile and off-odors compounds from different recycled polypropylene used for food applications

Autor: Isabelly Bertochi Veroneze, Sandra Andrea Cruz, Georgiana-Luminita Gavril, Robert da Silva Paiva, Cristina Nerín, Magdalena Wrona

Publikováno v: Food chemistry. 350

Nowadays, polypropylene is one of the most common polymers used in the food packaging industry due to its good functionality and relatively low cost. Nevertheless, usage of plastic disposable packaging can be a generator of plastic pollution having n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::152f4d46e0c386bb7fe1c9f132b1b153
https://pubmed.ncbi.nlm.nih.gov/33607412

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Development and Characterization of Electrospun Nanostructures Using Polyethylene Oxide: Potential Means for Incorporation of Bioactive Compounds

Autor: Veridiana Vera de Rosso, Jonas T. Do Marco, Marcelo Assis, Tatiana M. Mazzo, Sergiana dos P. Ramos, Ailton Cesar Lemes, Elson Longo, Michele Amendoeira Giaconia, Mariana Buranelo Egea, Robert da Silva Paiva, Anna Rafaela Cavalcante Braga

Publikováno v: Colloids and Interfaces
Volume 4
Issue 2
Colloids and Interfaces, Vol 4, Iss 14, p 14 (2020)

The development of processes for stabilization of the properties of bioactive compounds has been studied in recent years, and the use of nanotechnology is among the most discussed routes. The present work addressed the assembly of nanostructures usin

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Oxygen reduction reaction: Semi-empirical quantum mechanical and electrochemical study of Printex L6 carbon black

Autor: Marcos R.V. Lanza, Paulo Jorge Marques Cordeiro-Junior, Roger Gonçalves, Robert da Silva Paiva, Ernesto C. Pereira, Thais Tasso Guaraldo

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Amorphous carbon black (CB) is a highly reactive material for O2 reduction and widely employed in H2O2 generation. Most studies published have confined their investigation to few electrochemical properties of CB and its morphological and structural c

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The influence of ionic liquids cation on the properties of sulfonated poly (ether ether ketone)/polybenzimidazole blends applied in PEMFC

Autor: Michèle Oberson de Souza, Letícia Guerreiro da Trindade, Emilse M.A. Martini, Rapher Donizete Moreira Santos, Pedro Carvalho Martins, Robert da Silva Paiva, Edson A. Ticianelli, Katiúscia M.N. Borba, Lilian A.F. Vermeersch, Letícia Zanchet

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Made available in DSpace on 2019-10-06T15:53:56Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-09-28 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52574e4c49c516299ddbab4e3d8a74fd

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Carbon nitride/polypyrrole composite supercapacitor: Boosting performance and stability

Autor: Roger Gonçalves, Ernesto C. Pereira, Thiago Lima, Márcio W. Paixão, Robert da Silva Paiva

Publikováno v: Electrochimica Acta. 368:137570

In this work, one-step electrochemical synthesis of a supercapacitor with high performance and stability based on carbon nitride and polypyrrole is described. The new composite was easily obtained through the electrodeposition of polypyrrole on the s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d3853c989b2ca9e354d6c34b9579e24
https://doi.org/10.1016/j.electacta.2020.137570

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