Sample preparation is an essential step in analysis, greatly influencing the reliability and
accuracy of resulted the time and cost of analysis. Solid‐Phase Microextraction (SPME) is a …

This review will attempt to provide an overview as well as a theoretical and practical
understanding of the use of microextraction technologies for drug analysis. The majority of …

High performance liquid chromatography with atmospheric pressure ionization (API) mass
spectrometry has been essential to a large number of quantitative analytical applications for …

Sample preparation, such as extraction, concentration, and isolation of analytes, greatly
influences their reliable and accurate analysis. In-tube solid-phase microextraction (SPME) …

Solid-phase microextraction (SPME) has been introduced for the extraction of organic
compounds from environmental samples. This relatively new extraction technique has now …

This paper first reports the occurrence of six glucocorticoids (prednisone, prednisolone,
cortisone, cortisol, dexamethasone, and 6α-methylprednisolone) in sewage treatment plants …

An analytical procedure for the determination of steroid estrogens and their conjugates was
developed and applied to aqueous environmental samples. The analytes of 15 compounds …

The utilization of mass spectrometers in clinical laboratories is undergoing considerable
expansion at the outset of the 21st century. 1, 2 This expansion is largely due to …

In this study, stir bar sorptive extraction and liquid desorption followed by high performance
liquid chromatography with diode array detection (SBSE–LD–HPLC/DAD) were combined …

Solid-phase microextraction (SPME) is a miniaturized and solvent-free sample preparation
technique for chromatographic–spectrometric analysis by which the analytes are extracted …