Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Sofia Hoffmann"'
Autor:
Sabrina Braga dos Santos, Wagner de Lara Machado, Liana Lisboa Fernandez, Analuiza Camozatto de Pádua, Sofia Hoffmann, Prisla Ücker Calvetti, Bruno Luis Schaab, Caroline Tozzi Reppold
Publikováno v:
Psicologia: Reflexão e Crítica, Vol 36, Iss 1, Pp 1-12 (2023)
Abstract Introduction Depression in aging may lead to loss of autonomy and worsening of comorbidities. Understanding how positive attributes contribute to healthier and happier aging has been one of the purposes of Positive Psychology. However, the l
Externí odkaz:
https://doaj.org/article/b7d00adac7694e21a8e82ffe99017a82
Autor:
Valter Stefani, Tania Maria Haas Costa, Helena Sofia Hoffmann, Edilson Valmir Benvenutti, Marcia Russman Gallas
Publikováno v:
Materials Chemistry and Physics. 126:97-101
New silica hybrid materials were obtained by incorporation of two benzimidazole dyes in the silica network by sol–gel technique, using tetraethylorthosilicate (TEOS) as inorganic precursor. Several syntheses were performed with two catalysts (HF an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::548e6e24de1cc8b40052c3d60085ff30
https://doi.org/10.1016/j.matchemphys.2010.12.002
https://doi.org/10.1016/j.matchemphys.2010.12.002
Autor:
Edilson Valmir Benvenutti, Marcia Russman Gallas, Tania Maria Haas Costa, Valter Stefani, Helena Sofia Hoffmann
Publikováno v:
Optical Materials. 27:1819-1824
Sol–gel method and high-pressure technique were associated to produce silica compacts with low porosity and doped with rhodamine 6G (R6G). Acid catalyzed solutions of tetraethyl orthosilicate mixed with dye previously dissolved in ethanol were used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5d21a985fac03791a250e21a39e4891
https://doi.org/10.1016/j.optmat.2004.11.006
https://doi.org/10.1016/j.optmat.2004.11.006
Autor:
Edilson Valmir Benvenutti, Helena Sofia Hoffmann, Tania Maria Haas Costa, Flávio A. Pavan, Yoshitaka Gushikem
Publikováno v:
Materials Letters. 55:378-382
The sol–gel method was employed to obtain the hybrid nanometric anilinepropylsilica material, using different temperatures of gelation. The resulting powder materials were studied by FTIR, thermogravimetric analysis (TGA), SAXS and scanning electro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af7cbe881381d8e3ab1aa42690bae6f8
https://doi.org/10.1016/s0167-577x(02)00396-8
https://doi.org/10.1016/s0167-577x(02)00396-8
Autor:
Helena Sofia Hoffmann, Paula Bettio Staudt, Tania Maria Haas Costa, Celso Camilo Moro, Edilson Valmir Benvenutti
Publikováno v:
Surface and Interface Analysis. 33:631-634
Infrared spectroscopy, using carbon monoxide as probe molecule, was utilized to detect the electronic metal-support interactions on platinum dispersed on silica modified with different titania amounts. The spectral features produced by the electronic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3af54b115ab7a057b9b884d04ee1e977
https://doi.org/10.1002/sia.1431
https://doi.org/10.1002/sia.1431