Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Giovanni F. De Lima"'
Autor:
Alana G. Souza, Giovanni F. De Lima, Rita C. L. B. Rodrigues, Ivana Cesarino, Alcides L. Leão, Derval S. Rosa
Publikováno v:
Journal of Natural Fibers, Vol 18, Iss 10, Pp 1501-1511 (2021)
This study aimed to explore the use of eucalyptus sawdust for the extraction of nanocellulose. This residue was purified with a three-steps pretreatment and ball milled for the isolation of nanocellulose. The method proposed can be industrially appli
Externí odkaz:
https://doaj.org/article/4e65fdd8322442ecb92a4b67b9d54d64
Publikováno v:
Polymer Composites. 41:4340-4352
Autor:
Bruna Carla Gasparin, Derval dos Santos Rosa, Giovanni F. de Lima, Alexandre Tadeu Paulino, Alana G. de Souza, Mariana Aguiar Cargnin
Publikováno v:
International Journal of Biological Macromolecules. 149:773-782
The aim of this work was to synthesize pinus residue/pectin-based composite hydrogels for the immobilization of β-D-galactosidase. These hydrogels were synthesized via chemical crosslinking, and characterized by Fourier-transform infrared spectrosco
Autor:
Derval dos Santos Rosa, Mariana T. Junqueira, Giovanni F. de Lima, Vijaya K. Rangari, Alana G. de Souza
Publikováno v:
Journal of Polymers and the Environment. 28:1150-1159
Cellulose is a renewable, sustainable, and high available biopolymer; their common form is the type-I polymorph. However, polymorphic changes are associated with different properties and a wide range of applications. In this study, we proposed a new
Autor:
Giovanni F. de Lima, Daniel Belchior Rocha, Alana G. de Souza, Rennan F. S. Barbosa, Derval dos Santos Rosa, Clara R. Bauli
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 141:1263-1277
In this work, it was studied the steric and electrostatic stabilization of cellulose nanostructures (CNS) and their effects on the thermal stability of the nanoparticles. Three different agents modified the surface of CNS: a grafted polymer, polyethy
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The stabilization of nanocellulose suspensions and their compatibility with polymer matrices are challenges that have been investigated in the scientific community. However, little work has resulted in significant electrostatic stabilization as well
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39a25f9ff4ab015e54bbf5042cb659b1
Publikováno v:
Journal of Molecular Liquids. 268:415-424
In recent year, the interest in environmentally friendly materials, like cellulose nanostructures (CNSs) has increased. Nanoscale dimensions, high surface area, low density, and high mechanical strength are examples of CNSs properties that attract re
Autor:
Derval dos Santos Rosa, Alana G. de Souza, Giovanni F. de Lima, Rafaela R. Ferreira, Clara R. Bauli
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 623:126771
In this work, carboxymethyl cellulose (CMC) hydrogels were produced via chemical crosslink with citric acid and filled with nanocellulose (NC), montmorillonite, or vermiculite, in different contents. The FTIR results indicated a strong chemical inter
Autor:
Cassiele T. Cesco, Giovanni F. de Lima, Derval dos Santos Rosa, Alexandre Tadeu Paulino, Samantha E. S. Artifon, Alana G. de Souza
Publikováno v:
International journal of biological macromolecules. 140
Arabic gum-based composite hydrogels reinforced with eucalyptus and pinus residues were synthesized via free-radical reaction aiming to controlled phosphorus release. All hydrogels were characterized by swelling kinetics (SK), Fourier-transform infra
Autor:
Ivana Cesarino, Giovanni F. de Lima, Alana G. de Souza, Derval dos Santos Rosa, Rita C. L. B. Rodrigues, Alcides Lopes Leão
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Made available in DSpace on 2020-12-12T01:06:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-01 This study aimed to explore the use of eucalyptus sawdust for the extraction of nanocellulose. This residue was purified with a three-steps p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eff9ac3b1d1bcf269f9c3746cd8d59f0