The analysis of vitamin D status, with special emphasis on 25-hydroxyvitamin D and 1, 25-
dihydroxyvitamin D, is gaining interest in clinical studies due to the classical and non …

A method for quantitative analysis of vitamin D (both D 2 and D 3) and its main metabolites—
monohydroxylated vitamin D (25-hydroxyvitamin D 2 and 25-hydroxyvitamin D 3) and …

The steps involved in the methods for the determination of vitamin D3 metabolites (namely,
25-hydroxyvitamin D3, 1, 25-dihydroxyvitamin D3, 24, 25-dihydroxyvitamin D3) mainly in …

Despite the fact that more than 90% of vitamin D analysis are performed using immuno-
enzymatic techniques, it is liquid chromatography coupled with tandem mass spectrometry …

In the last decade the scientific and medical community was confronted with a renewed
interest in vitamin D and its metabolites, interest prompted by new discoveries regarding the …

OBJECTIVES: For quantification of 25-hydroxyvitamin D3 (25OH-D3), 25-hydroxyvitamin D2
(25OH-D2), 3-epi-25-hydroxyvitamin D3 (3-epi-25OH-D3) and 24R, 25-dihydroxyvitamin D3 …

A stable isotope dilution liquid chromatography–tandem mass spectrometric (LC–MS–MS)
method for the determination of plasma 1α-hydroxyvitamin D3 [1α (OH) D3] has been …

Interest in the metabolism and physiological action of vitamin D is increased exponentially.
The most important metabolites of vitamin D are 25‐hydroxyvitamin and 1, 25 …

A HPLC method with automated column switching and UV-diode array detection is
described for the simultaneous determination of Vitamin D3 and 25-hydroxyvitamin D3 (25 …

Two physiologically important forms of vitamin D exist: vitamin D2 and vitamin D3, which by
liver based hydroxylase enzymes are converted to 25-hydroxyvitamin D2 and 25 …