… The sensitivity (limit of detection (LOD) and limit of quantitation (LOQ) defined according to …
3 levels (accuracy and CV%) and extraction recovery (6 replicates at 3 levels on pooled urine …

… and urine are frequently chosen as samples for clinical steroid hormone analysis, because of
their non-invasion (urine) … Blood/serum and urine are integrated biological fluids, which can …

… metabolites from small volumes of dried urine using gas … precise quantification at the
lower concentrations of urinary … Pregnanediol may exist as a glucuronide at the 3 position, at …

… Only a very little amount of unconjugated testosterone was found in older children. The only
… for quantification of steroid glucuronides in human urine. The method was applied to urinary …

… In females, T is produced in small amounts by the ovaries … in low urinary T levels, often
below the limit of quantification (… reference compounds (ERC) pregnanediol (PD) and 16-…

… A method for the quantification of 11 deconjugated steroids (5-… , pregnanediol, and 5-pregnenediol)
in human urine was … for the quantification of a panel of 11 urinary steroids. We …

… detection. The current colloidal gold strips mostly detect ovulation by setting a detection …
The method developed in this paper achieved quantitative detection by using a fluorescent …

… In humans, the small number of circulating sex steroids, … in S3 Table, with the exception of
pregnanediol (206 vs. 204 μg/24 … We quantified 40 urinary steroid metabolites by GC-MS in a …

… The LLOQ was the lowest amount of an analyte that could be quantitatively determined
with acceptable precision (RSD ≤ 20%) and accuracy (recoveries between 80% and 120%). …

… The sensitivity enhancement is crucial in terms of extraction of trace amounts of compounds
or when there is a need for extraction of compounds at different concentration levels from …