Publications by authors named "Alexandre B Schefer"

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Application of high-performance liquid chromatography-nuclear magnetic resonance coupling to the identification of limonoids from mahogany tree (Switenia macrophylla, Meliaceae) by stopped-flow 1D and 2D NMR spectroscopy.
Alexandre B Schefer, Ulrich Braumann, Li-Hong Tseng, Manfred Spraul, Marisi G Soares

J Chromatogr A· September 2006

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Testosterone 1 beta-hydroxylation by human cytochrome P450 3A4.
Joel A Krauser, Markus Voehler, Li-Hong Tseng, Alexandre B Schefer, Markus Godejohann

Eur J Biochem· October 2004

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Splitless on-line coupling of capillary high-performance liquid chromatography, capillary electrochromatography and pressurized capillary electrochromatography with nuclear magnetic resonance spectroscopy.
Erdmann Rapp, Andreas Jakob, Alexandre Bezerra Schefer, Ernst Bayer, Klaus Albert

Anal Bioanal Chem· August 2003

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Two unprecedented dibromotyrosine-derived alkaloids from the Brazilian endemic marine sponge Aplysina caissara.
Beatriz M Saeki, Ana Claudia Granato, Roberto G S Berlinck, Alviclér Magalhães, Alexandre B Schefer

J Nat Prod· May 2002

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