Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Osvaldo N. Oliveira Jr."'
Autor:
Marcela Piassi Bernardo, Rafaella Takehara Paschoalin, Danilo Martins dos Santos, Stanley Bilatto, Cristiane Sanchez Farinas, Daniel Souza Correa, Osvaldo N. Oliveira Jr., Luiz Henrique Capparelli Mattoso
Publikováno v:
Química Nova, Vol 44, Iss 10, Pp 1311-1327 (2021)
Biomaterials have been intensively investigated due to the increase in the elderly population and high prevalence of several disorders, such as cardiovascular and orthopedic diseases. Polymeric and composite polymeric materials in combination with di
Externí odkaz:
https://doaj.org/article/12c9ece099ac4594a92ceaa25d441e14
Autor:
Nathalia O. Gomes, Rafaella T. Paschoalin, Stanley Bilatto, Amanda R. Sorigotti, Cristiane S. Farinas, Luiz H. C. Mattoso, Sergio A. S. Machado, Osvaldo N. Oliveira Jr., Paulo A. Raymundo-Pereira
Publikováno v:
Engineering Proceedings, Vol 35, Iss 1, p 18 (2023)
We introduce a bifunctional architecture to construct biosensors on solution-blow spinning fiber mats of polylactic acid (PLA) and polyethylene glycol (PEG). PLA/PEG mats acted as substrate for printing electrodes and as matrix to immobilize glucose
Externí odkaz:
https://doaj.org/article/459d710b6a8240d29524a47366cc980a
Autor:
Camila A. Proença, Tayane A. Freitas, Thaísa A. Baldo, Elsa M. Materón, Flávio M. Shimizu, Gabriella R. Ferreira, Frederico L. F. Soares, Ronaldo C. Faria, Osvaldo N. Oliveira Jr.
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 10, Iss 1, Pp 2171-2181 (2019)
Diagnosis of cancer using electroanalytical methods can be achieved at low cost and in rapid assays, but this may require the combination with data treatment for determining biomarkers in real samples. In this paper, we report an immunomagnetic nanop
Externí odkaz:
https://doaj.org/article/85975db329284a13b32b6559076bcadc
Autor:
Osvaldo N. Oliveira Jr., Ricardo Paupitz, Marcelo A. Pereira-da-Silva, Carlos J. L. Constantino, Mariselma Ferreira, Antonio Riul, David S. Dos Santos, Douglas S. Galvão, Celina M. Miyazaki
Publikováno v:
International Journal of Molecular Sciences, Vol 14, Iss 7, Pp 12953-12969 (2013)
We report on optimized architectures containing layer-by-layer (LbL) films of natural rubber latex (NRL), carboxymethyl-chitosan (CMC) and magnetite (Fe3O4) nanoparticles (MNPs) deposited on flexible substrates, which could be easily bent by an exter
Externí odkaz:
https://doaj.org/article/2e5941969b494af199f08003216f7d4f
Publikováno v:
Química Nova, Vol 28, Iss 3, Pp 502-510 (2005)
This paper discusses fundamental concepts for the characterization of Langmuir monolayers and Langmuir-Blodgett (LB) films, with emphasis on investigations of material properties at the molecular level. By way of illustration, results for phospholipi
Externí odkaz:
https://doaj.org/article/de6c80a547434684966277e5378048c9
Publikováno v:
Polímeros, Vol 15, Iss 2, Pp 91-94 (2005)
Chitosan incorporated in the aqueous subphase is found to affect the Langmuir monolayers of cholesterol, causing the surface pressure and the surface potential isotherms to become more expanded. The mean molecular area per cholesterol molecule in the
Externí odkaz:
https://doaj.org/article/6e2d168080d748859eb5ea9531c8a7a4
Autor:
Rodrigo M. Melo, Noelio O. Dantas, Nara C. de Souza, Osvaldo N. Oliveira Jr., Roberto M. Faria, Alexandre Marletta
Publikováno v:
Química Nova, Vol 26, Iss 2, Pp 177-180 (2003)
A study is presented of the formation and optical properties of polymeric heterostructures from poly(p-phenylene vinylene) (PPV) and poly(o-methoxyaniline) (POMA) produced via the self-assembly technique. POMA layers were obtained in a non self-limit
Externí odkaz:
https://doaj.org/article/35e0552106f34cc592c12e5569ae2211
Publikováno v:
Polímeros, Vol 12, Iss 1, Pp E4-E7 (2002)
Externí odkaz:
https://doaj.org/article/2f9fa256767b4f739e8531581c15d27a
Publikováno v:
Polímeros, Vol 10, Iss 2, Pp e16-e16 (2000)
Externí odkaz:
https://doaj.org/article/9d5aeb66c2d1471c8d7285cc9b9112e6
Autor:
Osvaldo N. Oliveira Jr.
Publikováno v:
Revista Brasileira de Ensino de Física, Vol 37, Iss 2, Pp 2201-1-2201-2
Externí odkaz:
https://doaj.org/article/0838a4edfae84c03bd8ac1defd8123c9