Other

Timothy E Woenker

Fred E Regnier

JinHee Kim

Jiri Adamec

Richard P Zoltek

Wenchu Yang

The present invention comprises methods for determining the presence, amount, or concentration of analytes of interest including Vitamin D and other secosteroids from biological samples, through derivatization, with improved speed and ease of analysis and improved sensitivity to mass spectrometry. In a preferred embodiment, the present invention comprises methods for determining the presence, amount, or concentration of analytes of interest, including Vitamin D and other secosteroids from whole human blood, through derivatization, and using a plasma collection device to facilitate collection, separation, and preparation of the sample for derivatization and analysis.

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Fort Wayne, IN, United States of America

Timothy E Woenker