Kelly A Regal

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A method for the quantification of subnanomolar levels of in vitro metabolites of caffeine by an isotope dilution gas chromatographic-mass spectrometric (GC-MS) assay has been developed and applied.(More)
A liquid chromatographic-tandem mass spectrometric (LC-MS/MS) method was developed and applied for the determination of human Aβ1-40 and Aβ1-42 peptides in transgenic mouse plasma to support(More)