Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Rafael A. Steffen"'
Autor:
Rafael Martins Steffen, Arthur Fernandes Pacheco, Gabriela Camilo Teixeira, Bruna Alejandra Orellana Santos, Marina Quaglio Oinegue Fulfaro, Ketleen Koga, Amanda Fonseca Nunes Ferreira, James Cotaet, Deborah Krutman Zveibil, Rafael Ricardo da Silva Miranda Zapata
Publikováno v:
Brazilian Journal of Oncology, Vol 18, Iss 00 (2022)
Dermatofibrosarcoma protuberans (DFSP) is an extremely rare and potentially aggressive soft tissue tumor. Around 85 to 90% of DFSP cases are low-grade tumors, while the fibrosarcomatous variant (DFSP-FS) is associated with medium and high-grade neopl
Externí odkaz:
https://doaj.org/article/bd08b152c1274a57a05c2b198f5438d3
Autor:
Rosana C. L. Pereira, Maíra Fasciotti, Romeu J. Daroda, Clécio F. Klitzke, Priscila M. Lalli, Nelson H. Morgon, Francisco de A.M. Reis, Yuri E. Corilo, Gabriel Heerdt, Gilberto F. de Sá, Rafael A. Steffen, Marcos N. Eberlin
Publikováno v:
International Journal for Ion Mobility Spectrometry. 16:117-132
Ion mobility spectrometry (IMS) separates ions while they travel through a buffer gas under the influence of an electrical field. The separation is affected by mass and charge but most particularly by shape (collision cross section). When coupled to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f41037867b60a1f47ccd70c08797c5ba
https://doi.org/10.1007/s12127-013-0129-1
https://doi.org/10.1007/s12127-013-0129-1
Autor:
F. de A.M. Reis, José Arimatéia Dantas Lopes, Bruno Quirino Araújo, Daniel Cézar da Silva, Rafael A. Steffen, N.C. de Andrade, S. G. De Lima, L.B.P. Medeiros, J.M. Moita Neto, C.N.L.C. Cunha
Publikováno v:
Journal of Essential Oil Research. 24:371-376
The essential oils from the fresh leaves of Croton hirtus from two locations, Teresina and Simoes in Piaui State, located in northeastern Brazil were obtained by hydrodistillation and analyzed by gas chromatography–flame ionization detection (GC–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f31abc24f0046f55e5ceaddd311292f
https://doi.org/10.1080/10412905.2012.692908
https://doi.org/10.1080/10412905.2012.692908
Autor:
Francisco de A.M. Reis, Luzia Koike, Rafael A. Steffen, Sidney Gonçalo de Lima, Eugenio V. Santos Neto, José R. Cerqueira, José Arimatéia Dantas Lopes
Publikováno v:
Organic Geochemistry. 41:325-339
Representative oils having similar maturity, derived from a saline lacustrine source rock and accumulated at different depths in stacked reservoirs in the Campos Basin, Brazil were selected for study. Geological conditions allowed the development of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abb115b4147261d4686e39e6e2b6ae71
https://doi.org/10.1016/j.orggeochem.2009.12.013
https://doi.org/10.1016/j.orggeochem.2009.12.013
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 287:41-44
Alumina catalyzes the Baeyer–Villiger oxidation of cyclohexanone, using 70 wt.% aqueous or anhydrous hydrogen peroxide as oxidant. The best methodology was to carry out the reaction in ethyl acetate under azeotropic water removal at 90 °C, and a m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d1536d73ce281d7718257ee8bb14bfe
https://doi.org/10.1016/j.molcata.2008.02.021
https://doi.org/10.1016/j.molcata.2008.02.021
Publikováno v:
Reaction Kinetics and Catalysis Letters. 88:165-173
Epoxidation of natural terpene (+)-carvone by the system consisting of a catalyst, oxalic acid (co-catalyst) and H2O2 (70% aqueous solution; oxidant) was studied and factorial design methods were applied for the optimization of this reaction. A dinuc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f87093c07804c8da8b531ee48177572d
https://doi.org/10.1007/s11144-006-0124-1
https://doi.org/10.1007/s11144-006-0124-1