Over the last two decades, liquid chromatography coupled to mass-spectrometry (LC‒MS)
has become the gold standard to perform qualitative and quantitative analyses of small …

It has long been recognized that immunoassays cannot accurately quantify steroid
hormones such as testosterone, estradiol, and aldosterone in certain patient populations …

Objective 11-oxygenated androgens significantly contribute to the circulating androgen pool.
Understanding the physiological variation of 11-oxygenated androgens and their …

Different calibration strategies are used in liquid chromatography hyphenated to mass
spectrometry (LC-MS) bioanalysis. Currently, the surrogate matrix and surrogate analyte …

Objectives An isotope dilution-liquid chromatography-tandem mass spectrometry (ID-LC
MS/MS)-based candidate reference measurement procedure (RMP) for aldosterone …

The steroid submetabolome, or steroidome, is of particular interest in prostate cancer (PCa)
as the dependence of PCa growth on androgens is well known and has been routinely …

On-line post separation sample manipulation is a powerful approach increasing the
sensitivity and selectivity in chemical analysis. Post separation sample manipulation …

Prefilled plastic packaging is time-and cost-effective in hospital pharmacy because it
prevents waste, preparation errors, dosage errors, microbial contamination and accidents …

The simultaneous measurement of dexamethasone and cortisol has proven the ability to
increase the diagnostic performance of the overnight dexamethasone-suppression test …

Accurate quantitative analysis in liquid chromatography–mass spectrometry (LC–MS)
benefits from calibration curves generated in the same matrix as the study sample. In the …