Search Results - "Cardoso, Felipe M.R."

An evaluation of the aromaticity of asphaltenes using atmospheric pressure photoionization Fourier transform ion cyclotron resonance mass spectrometry – APPI(±)FT-ICR MS by Pereira, Thieres M.C., Vanini, Gabriela, Oliveira, Emanuele C.S., Cardoso, Felipe M.R., Fleming, Felipe P., Neto, Alvaro C., Lacerda, Valdemar, Castro, Eustáquio V.R., Vaz, Boniek G., Romão, Wanderson

“…•We evaluate the aromaticity of asphaltenes using APPI(±)FT-ICR MS.•APPI(±)FT-ICR MS data were compared and discussed with aromaticity parameters obtained from…”
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Analyzes of hydrocarbons by atmosphere pressure chemical ionization FT-ICR mass spectrometry using isooctane as ionizing reagent by Tose, Lílian V., Cardoso, Felipe M.R., Fleming, Felipe P., Vicente, Maristela A., Silva, Samantha R.C., Aquije, Gloria M.F.V., Vaz, Boniek G., Romão, Wanderson

“…•We have developed the method to ionize hydrocarbons by APCI using small hydrocarbons as reagents.•The isooctane provided the best results when compared to…”
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FT-ICR MS analysis of asphaltenes: Asphaltenes go in, fullerenes come out by Pereira, Thieres M.C., Vanini, Gabriela, Tose, Lílian V., Cardoso, Felipe M.R., Fleming, Felipe P., Rosa, Paulo T.V., Thompson, Christopher J., Castro, Eustáquio V.R., Vaz, Boniek G., Romão, Wanderson

“…•We describe FT-ICR MS analysis of asphaltene using different ionization sources.•LDI/MALDI facilitated clustering reactions to form characteristic fullerene…”
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Evaluation of the Chemical Additive Effect on Asphaltene Aggregation in Dead Oils: A Comparative Study between Ultraviolet–Visible and Near-Infrared-Laser Light Scattering Techniques by Marcano, Francia, Moura, Lyzette G. M, Cardoso, Felipe M. R, Rosa, Paulo T. V

“…Asphaltenes flocculate as a consequence of changes in the temperature, pressure, or composition. This flocculation can result in several oil production…”
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Revealing the chemical characterization of asphaltenes fractions produced by N-methylpyrrolidone using FTIR, molecular fluorescence, 1H NMR, and ESI(±)FT-ICR MS by Carvalho, Verônica V., Vasconcelos, Géssica A., Tose, Lilian V., Santos, Heloa, Cardoso, Felipe M.R., Fleming, Felipe, Romão, Wanderson, Vaz, Boniek G.

“…[Display omitted] •Characterization of asphaltenes fractionated by N-Methyl-2-pyrrolidone.•NS fractions exhibited a more polar and aromatic character.•NI…”
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Integrative mass spectrometry strategy for fingerprinting and tentative structural characterization of asphaltenes by Koolen, Hector H.F., Gomes, Alexandre F., de Moura, Lyzette G.M., Marcano, Francia, Cardoso, Felipe M.R., Klitzke, Clécio F., Wojcik, Roza, Binkley, Joe, Patrick, Jeffrey S., Swarthout, Robert F., Rosa, Paulo T.V., Gozzo, Fabio C.

“…•Systematic integrative strategy with different MS techniques applied in asphaltene samples.•The potential of ion mobility was explored to asphaltene…”
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Fullerene separation and identification by traveling wave ion mobility mass spectrometry in laser desorption processes during asphaltene analysis by Koolen, Hector H. F., Klitzke, Clécio F., Cardoso, Felipe M. R., Rosa, Paulo T. V., Gozzo, Fabio C.

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