Zobrazeno 1 - 10
of 22
pro vyhledávání: '"J.E.G. de Souza"'
Publikováno v:
Sensors and Actuators B: Chemical. 177:1115-1121
We have synthesized clay/polypyrrole composites via in situ polymerization in aqueous medium, with the anionic surfactant dodecylbenzenesulfonic acid sodium salt (DBSA) playing a dual role as a dopant. We submitted the commercial clay k10 montmorillo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca085b744a241bb12ab198830baaf7b6
https://doi.org/10.1016/j.snb.2012.12.001
https://doi.org/10.1016/j.snb.2012.12.001
Publikováno v:
Progress in Nuclear Energy. 53:1114-1118
The fluid dynamic behavior of riser of a cold flow model of a Fluid Catalytic Cracking Unit (FCCU) was investigated. The experimental data were obtained by the nuclear technique of gamma transmission. A gamma source was placed diametrically opposite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fed367edf8260d079c26b1a9c30ba6f
https://doi.org/10.1016/j.pnucene.2011.06.008
https://doi.org/10.1016/j.pnucene.2011.06.008
Publikováno v:
Sensors and Actuators B: Chemical. 109:348-354
We discuss the use of polymeric blends formed by the controlled growth of doped polypyrrole chains in the interior of films of different dielectric polymers as sensors of the presence of representative examples of volatile organic compounds. The diel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07a2bf5f9e0eda4f74ed65582d33db8c
https://doi.org/10.1016/j.snb.2005.01.001
https://doi.org/10.1016/j.snb.2005.01.001
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. :99-103
Although conducting polymers have been increasingly used in sensing devices to assess the quality of food and beverages, at present the details of the interaction mechanism between volatile organic compounds (VOCs) and the polymeric films used are no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::776d2e2373cf4d58f4b48c8877ba1fc4
https://doi.org/10.1016/j.colsurfa.2004.10.026
https://doi.org/10.1016/j.colsurfa.2004.10.026
Autor:
F.L. dos Santos, J.E.G. de Souza, M.V.B. dos Santos, C.P. de Melo, B.B. Neto, C.G. dos Santos
Publikováno v:
Sensors and Actuators B: Chemical. 88:246-259
We describe the use of free-grown thin polypyrrole films as fast response sensors of volatile compounds. Using a variety of dopants, the polymeric films were prepared directly on conducting glass substrates. Ultraviolet-visible and near infrared regi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::537961fe1d7ba45ee65e2dea4334a457
https://doi.org/10.1016/s0925-4005(02)00344-1
https://doi.org/10.1016/s0925-4005(02)00344-1
Autor:
Teresa B. Ludermir, J.E.G. de Souza, Marivone Santos, B.B. Neto, C.P. de Melo, F.L. dos Santos
Publikováno v:
Synthetic Metals. 102:1296-1299
The change in conductivity of conducting polymers when exposed to volatile gases can be exploited for the construction of aroma sensors. In this communication we report the preliminary tests of two versions of an aroma sensor based on arrays of doped
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bcc521c5446a801723dfab634ee4bbb
https://doi.org/10.1016/s0379-6779(98)00386-5
https://doi.org/10.1016/s0379-6779(98)00386-5
Autor:
Marizete Silva Santos, J.E.G. de Souza, F.L. dos Santos, Maikon Barbosa, C.P. de Melo, Teresa B. Ludermir
Publikováno v:
SBRN
In the case of aerial accident spreading out dangerous gases into the atmosphere, an instrument called electronic nose can warn about the beginning of petroleum derived leaks. In this paper we present the architecture of the neural network for patter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5732b228f0ab7bc2c087e780ac5a736
https://doi.org/10.1109/sbrn.2002.1181445
https://doi.org/10.1109/sbrn.2002.1181445
Publikováno v:
Synthetic Metals. 119:383-384
Thin films of polypyrrole doped with different counter-ions, prepared by in situ polymerization on conducting glass electrodes, are used for the development of gas sensors with fast response time. On exposure to a given vapor, each individual film ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c126da50711a7d5a86198dd053803d50
https://doi.org/10.1016/s0379-6779(00)01051-1
https://doi.org/10.1016/s0379-6779(00)01051-1
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