Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Maria T. C. Sansiviero"'
Autor:
Maria T. C. Sansiviero, Carlos E. Sampietri, Marcos V. da Costa, Norma C. Cassares, Dalva L. A. Faria
Publikováno v:
Química Nova, Vol 42, Iss 9, Pp 1104-1111 (2019)
Externí odkaz:
https://doaj.org/article/4cb5f293c8e54d2ea260db8309d4fc1b
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 220:20-24
Layer by layer (LbL) self-assembled technique was used to fabricate TiO2 films onto glass and quartz slides. The LbL sequence was PAH/PSS/TiO2(PSS/TiO2)5 (PSS = poly(sodium-4-styrene sulfonate), PAH = poly(allylamine hydrocloride)). These LbL thin fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9ce0222a4ce59351716b255a57bc3a0
https://doi.org/10.1016/j.jphotochem.2011.03.007
https://doi.org/10.1016/j.jphotochem.2011.03.007
Autor:
José D. Ardisson, Ana Cláudia Bernardes Silva, Vilma C. Costa, Fabiano Magalhães, Rochel M. Lago, Maria T. C. Sansiviero
Publikováno v:
Materials Research Bulletin. 45:174-180
In this work, the single source organometallic precursor Bu4Sn6S6 was impregnated and decomposed on the surface of TiO2 to produce semiconductor composites. 119Sn Mossbauer, Raman and ultra violet/visible spectroscopies, powder X-ray diffraction, tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3210475c3b4868fd58ca1cf0ac4231b4
https://doi.org/10.1016/j.materresbull.2009.09.022
https://doi.org/10.1016/j.materresbull.2009.09.022
Publikováno v:
Hyperfine Interactions. 195:15-19
The production of magnetic nanoparticles of Fe3O4 or Fe0 coated with carbon and carbon nanotubes was investigated by the reduction of hematite with ethanol in a Temperature Programmed Reaction up to 950°C. XRD and Mossbauer measurements showed after
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::440bcb4ef73daa431f3b9f8124080252
https://doi.org/10.1007/s10751-009-0095-5
https://doi.org/10.1007/s10751-009-0095-5
Publikováno v:
Applied Clay Science. 45:213-219
Impregnation and reaction of glycerol (Gly) on the surface of expanded vermiculite (EV) was used to produce a highly efficient absorbent to remove water spilled oils. The vermiculite was impregnated by glycerol containing 1, 2 and 4 mol% of H 2 SO 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ed89f933baf9292408e2fbc962759b9
https://doi.org/10.1016/j.clay.2009.06.008
https://doi.org/10.1016/j.clay.2009.06.008
Autor:
Frederico B. De Sousa, Rubén D. Sinisterra, Michele F. Oliveira, Maria T. C. Sansiviero, Maria Esperanza Cortés, Ivana Silva Lula
Publikováno v:
Vibrational Spectroscopy. 46:57-62
The objective of this article was to investigate the changes on the vibrations modes of the supramolecular system constituted between β-cyclodextrin (host) and the tetracycline (guest) by Fourier transform infrared attenuate total reflectance (FTIR-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f6dd3514c6e7f113a74c88070533925
https://doi.org/10.1016/j.vibspec.2007.10.002
https://doi.org/10.1016/j.vibspec.2007.10.002
Autor:
Marcelo Knobel, Mauro Cesar Dias, Jean Michel Pernaut, Tulio Matencio, Maria T. C. Sansiviero, Danielle Cangussu, Humberto O. Stumpf
Publikováno v:
Química Nova, Volume: 30, Issue: 4, Pages: 904-908, Published: AUG 2007
Three compounds have been synthesized with formulae [3-MeRad][Ni(dmit)2] (1), [4-MeRad][Ni(dmit)2] (2) and [4-PrRad][Ni(dmit)2] (3) where [Ni(dmit)2]- is an anionic pi-radical (dmit = 1,3-dithiol-2-thione-4,5-dithiolate) and [3-MeRad]+ is 3-N-methylp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e92c9f2b0c5aa22dfd477916cc95ba0b
https://doi.org/10.1590/s0100-40422007000400027
https://doi.org/10.1590/s0100-40422007000400027
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 67:372-377
Cobalt and zinc salts of 1,2,4,5-benzenetetracarboxylic acid (pyromellitic acid), [C 6 H 2 (COO) 4 H 4 ], have been synthesized and investigate by polarized Raman spectroscopy. These compounds present short intramolecular hydrogen bonds (SHB) between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f5289265a39ccaf7e946ac783fbff80
https://doi.org/10.1016/j.saa.2006.07.025
https://doi.org/10.1016/j.saa.2006.07.025
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 181:152-157
Titanium dioxide is broadly used as a catalyst for photochemical reactions. In this work, nanometric particles of CdS (a narrow band gap semiconducting material) were used to impregnate TiO2 in order to optimize its photocatalytic properties. CdS/TiO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4fdfb6b6c2393f64e33e9f08d1291dc
https://doi.org/10.1016/j.jphotochem.2005.11.018
https://doi.org/10.1016/j.jphotochem.2005.11.018
Publikováno v:
Química Nova. 28:761-765
Thermal decomposition of [Bu4N]2[Zn(imnt)2] and [M(NH3)2(imnt)] complexes with M = Zn and Cd, and imnt = (bis 1,1-dicyanoethylene-2,2 dithiolate) in inert atmosphere was investigated by thermogravimetric analysis (TG) and differential scanning calori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4561edbccdf39a8a6001305e664124f
https://doi.org/10.1590/s0100-40422005000500005
https://doi.org/10.1590/s0100-40422005000500005