Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ruth Flavia Vera Villamil Jaimes"'
Autor:
Silvia Maria Leite Agostinho, Ruth Flavia Vera Villamil Jaimes, Lucas Vairolette, Isis Valença de Souza Santos
Publikováno v:
Química Nova, Vol 42, Iss 4, Pp 453-457
This work presents an experiment done for chemistry students about the effect of the nature of the electrolyte and the nature of the interface on the hydrogen evolution reaction by electrolysis. Two techniques are suggested: method A - two identical
Externí odkaz:
https://doaj.org/article/1264d990f5464e0d89be28fa1bc91c14
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
Detection of a single molecule is a highly fluctuating event in surface-enhanced Raman scattering (SERS) measurements. Explaining these dynamic blinking events remains a challenge. To investigate this fluctuating behavior, we manufactured Au nanocyli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d20767ff9621ab6c779a818663665d29
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
In the present work, it is reported the high photoluminescence (PL) enhancement of porous silicon (PS) films doped with Cr+3 ions by electrochemical process. The experimental results showed that PL emission on these samples have been achieved enhance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d791ec878d0ecd14dcb07c3acd5c792c
https://doi.org/10.1016/j.jlumin.2018.03.027
https://doi.org/10.1016/j.jlumin.2018.03.027
Autor:
Walter Borysow, Mauro S. Braga, Walter J. Salcedo, Osmar F. Gomes, Edmilson Roberto Braga, Ruth Flavia Vera Villamil Jaimes
Publikováno v:
2019 4th International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT).
Nowadays the metal ions detection and classification in-site and in real time in river and like environment are very important task for environmental control. In this sense, the present work proposed a portable multispectral spectrometer based in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b32f9cd81a54b0a1e76b6c76397cd136
https://doi.org/10.1109/inscit.2019.8868861
https://doi.org/10.1109/inscit.2019.8868861
Autor:
Pedro A. P. Nascente, Sizue Ota Rogero, Mónica L. Afonso, Ruth Flavia Vera Villamil Jaimes, Sílvia Maria Leite Agostinho
Publikováno v:
Materials Letters. 148:71-75
The surface characterization and electrochemical behaviour of UNS S31254 (254 SS) have been performed in 0.15 mol L−1 NaCl medium in order to evaluate its application as orthopaedic implants. Polarization curves, chronoamperometry, electrochemical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b70c5cef5365cedf242fa4b1b14414a1
https://doi.org/10.1016/j.matlet.2015.01.157
https://doi.org/10.1016/j.matlet.2015.01.157
Autor:
Mauro S. Braga, Osmar F. Gomes, Walter Borysow, Ruth Flavia Vera Villamil Jaimes, Walter J. Salcedo
In the present work, a portable device system applied in the detection and classification of different metallic ions was proposed and developed, aiming at its application in the monitoring of hydrological systems like rivers, lakes and groundwater. C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::632b8e94eecd3dd38ed2fab07969ee3d
https://doi.org/10.20944/preprints201706.0058.v1
https://doi.org/10.20944/preprints201706.0058.v1
Autor:
Walter Borysow, Osmar F. Gomes, Walter J. Salcedo, Ruth Flavia Vera Villamil Jaimes, Mauro S. Braga
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Sensors, Vol 17, Iss 8, p 1730 (2017)
Sensors (Basel, Switzerland)
Sensors; Volume 17; Issue 8; Pages: 1730
Universidade de São Paulo (USP)
instacron:USP
Sensors, Vol 17, Iss 8, p 1730 (2017)
Sensors (Basel, Switzerland)
Sensors; Volume 17; Issue 8; Pages: 1730
This work deals with a portable device system applied to detect and classify different metallic ions as proposed and developed, aiming its application for hydrological monitoring systems such as rivers, lakes and groundwater. Considering the system f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dd39639b6cdd0158b05fa09d55fece2
Autor:
Sílvia Maria Leite Agostinho, Celso Antonio Barbosa, Ruth Flavia Vera Villamil Jaimes, Mónica L. Afonso, Sizue Otta Rogero
Publikováno v:
Materials Letters. 64:1476-1479
Nickel, a component of stainless steels (SS) applied in orthopedic implants may cause allergic processes in human tissues. P558 nickel free SS was studied to verify its viability as a substitute for stainless steel containing nickel. Its performance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d052570f084984c9018827beb723f98
https://doi.org/10.1016/j.matlet.2010.03.066
https://doi.org/10.1016/j.matlet.2010.03.066
Autor:
Pedro O. L. Volpe, José Maria Maciel, Ruth Flavia Vera Villamil Jaimes, Paola Corio, Sílvia Maria Leite Agostinho, Augusto Agostinho Neto, Joel C. Rubim
Publikováno v:
Corrosion Science. 50:879-886
The nature of the protective film formed by benzotriazole (BTAH) on the surface of the 90/10 CuNi alloy in deaerated 0.5 mol L−1 H2SO4 solution containing Fe(III) ions as oxidant was investigated by weight-loss, calorimetric measurements, and by su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6af0fdd9870c6eebc2fbb5ab5a55143
https://doi.org/10.1016/j.corsci.2007.10.011
https://doi.org/10.1016/j.corsci.2007.10.011