Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Pierre B A, Fechine"'
Autor:
Juliana S. Osterno Leitão, Francisco M. Lima, Daniel de C. Girão, Lillian M. U. D. Fechine, Samuel V. Carneiro, Ralph S. Oliveira, Francisco N. A Freire, A. F. Valentim de Amorim, Pierre B. A. Fechine, Walney Silva Araújo, Janaína S. Rocha
Publikováno v:
Materials Research, Vol 27, Iss suppl 1 (2024)
The use of fluorescent nanomaterials in various fields of study has become increasingly common. In this work, the use of carbon quantum dots as a corrosion marker in carbon steel is proposed. To produce the sensor, carbon quantum dots based on ethyle
Externí odkaz:
https://doaj.org/article/dad24954561547688970b39e9f2f139d
Autor:
Paula J. M. Lima, Jouciane de S. Silva, Rafael L. F. Melo, Francisco S. Neto, Pierre B. A. Fechine, Maria V. P. Rocha, Luciana R. B. Gonçalves, José C. S. dos Santos
Publikováno v:
Química Nova, Vol 47, Iss 5 (2024)
In this work, the support, cashew apple bagasse (CAB), was chemically modified with divinyl sulfone (DVS), and it was evaluated to immobilize Candida antarctica lipase A (CAL-A). The best activation conditions of CAB support were defined by an advanc
Externí odkaz:
https://doaj.org/article/9bb0b27ee4c34acfa329d729b261660e
Autor:
Antônio A. C. Cruz, Natália D. G. Souza, João P. B. de Souza, Samuel V. Carneiro, Claudenilson S. Clemente, Jeanlex S. Sousa, Lillian M. U. D. Fechine, Sebastián Michea, Pierre B. A. Fechine, Rafael M. Freire
Publikováno v:
C, Vol 10, Iss 3, p 57 (2024)
Trace elements such as cobalt (Co), molybdenum (Mo), and zinc (Zn) play necessary roles in different biological functions. Co is a microelement that influences the vascular system. Mo works as an enzymatic cofactor of three enzymes (aldehyde oxidase,
Externí odkaz:
https://doaj.org/article/f6fd0dd828cb46e8a438c8e2b195fee2
Autor:
Katerine da S. Moreira, André L. B. de Oliveira, Lourembergue S. de M. Júnior, Rodolpho R. C. Monteiro, Thays N. da Rocha, Fernando L. Menezes, Lillian M. U. D. Fechine, Juliano C. Denardin, Sebastian Michea, Rafael M. Freire, Pierre B. A. Fechine, Maria C. M. Souza, José C. S. dos Santos
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 8 (2020)
In this communication, it was evaluated the production of fatty acid ethyl ester (FAAE) from the free fatty acids of babassu oil catalyzed by lipase from Rhizomucor miehei (RML) immobilized on magnetic nanoparticles (MNP) coated with 3-aminopropyltri
Externí odkaz:
https://doaj.org/article/147bb8ad5f0f4ba4af1afaa329c91d64
Autor:
Tiago M. Freire, Lillian M. U. D. Fechine, Danilo C. Queiroz, Rafael M. Freire, Juliano C. Denardin, Nágila M. P. S. Ricardo, Thaina N. B. Rodrigues, Diego R. Gondim, Ivanildo J. S. Junior, Pierre B. A. Fechine
Publikováno v:
Nanomaterials, Vol 10, Iss 6, p 1194 (2020)
In this work, chitosan/magnetite nanoparticles (ChM) were quickly synthesized according to our previous report based on co-precipitation reaction under ultrasound (US) irradiation. Besides ChM was in-depth structurally characterized, showing a crysta
Externí odkaz:
https://doaj.org/article/1a04ad40131c4f5a8332c72ed92790be
Autor:
Katerine S. Moreira, Lourembergue S. Moura Júnior, Rodolpho R. C. Monteiro, André L. B. de Oliveira, Camila P. Valle, Tiago M. Freire, Pierre B. A. Fechine, Maria C. M. de Souza, Gloria Fernandez-Lorente, José M. Guisan, José C. S. dos Santos
Publikováno v:
Catalysts, Vol 10, Iss 4, p 414 (2020)
Residual oil from babassu (Orbignya sp.), a low-cost raw material, was used in the enzymatic esterification for biodiesel production, using lipase B from Candida antarctica (Novozym® 435) and ethanol. For the first time in the literature, residual b
Externí odkaz:
https://doaj.org/article/0beb565cea0d4e8c99d6b19754b3b9ad
Autor:
Rodolpho R. C. Monteiro, Davino M. Andrade Neto, Pierre B. A. Fechine, Ada A. S. Lopes, Luciana R. B. Gonçalves, José C. S. dos Santos, Maria C. M. de Souza, Roberto Fernandez-Lafuente
Publikováno v:
International Journal of Molecular Sciences, Vol 20, Iss 22, p 5807 (2019)
The synthesis of ethyl butyrate catalyzed by lipases A (CALA) or B (CALB) from Candida antarctica immobilized onto magnetic nanoparticles (MNP), CALA-MNP and CALB-MNP, respectively, is hereby reported. MNPs were prepared by co-precipitation, function
Externí odkaz:
https://doaj.org/article/6c33dbc28eb0455b96435cb6ef58b630
Autor:
Viviane G. P. Ribeiro, João P. F. Mota, Antônio E. Costa Júnior, Nayane M. A. Lima, Pierre B. A. Fechine, Juliano C. Denardin, Luigi Carbone, Ermelinda Bloise, Giuseppe Mele, Selma E. Mazzetto
Publikováno v:
Molecules, Vol 24, Iss 18, p 3284 (2019)
In this work we report the synthesis of new hybrid nanomaterials in the core/shell/shell morphology, consisting of a magnetite core (Fe3O4) and two consecutive layers of oleic acid (OA) and phthalocyanine molecules, the latter derived from cashew nut
Externí odkaz:
https://doaj.org/article/8ad713ce23e64b7fbd21ffab918e23e1
Autor:
Rodolpho R. C. Monteiro, Paula J. M. Lima, Bruna B. Pinheiro, Tiago M. Freire, Lillian M. U. Dutra, Pierre B. A. Fechine, Luciana R. B. Gonçalves, Maria C. M. de Souza, José C. S. dos Santos, Roberto Fernandez-Lafuente
Publikováno v:
International Journal of Molecular Sciences, Vol 20, Iss 16, p 4018 (2019)
In this communication, lipase A from Candida antarctica (CALA) was immobilized by covalent bonding on magnetic nanoparticles coated with chitosan and activated with glutaraldehyde, labelled CALA-MNP, (immobilization parameters: 84.1% ± 1.0 for immob
Externí odkaz:
https://doaj.org/article/d5574f07352844ba9a4b54687f201665
Autor:
Telma L. G. Lemos, Otília D. L. Pessoa, Tamara Gonçalves, Luigi Carbone, Nágila M. P. S. Ricardo, Maria E. N. P. Ribeiro, Igor M. Cavalcante, Juliano C. Denardin, Giuseppe Mele, Selma E. Mazzetto, Rafael M. Freire, Vivian R. Santiago, Antônio C. H. Barreto, Pierre B. A. Fechine
Publikováno v:
International Journal of Molecular Sciences, Vol 14, Iss 9, Pp 18269-18283 (2013)
This paper describes the investigation and development of a novel magnetic drug delivery nanosystem (labeled as MO-20) for cancer therapy. The drug employed was oncocalyxone A (onco A), which was isolated from Auxemma oncocalyx, an endemic Brazilian
Externí odkaz:
https://doaj.org/article/eb69aae96fd2433aa8a6e478281b8e9a