In drug discovery and development, the quantification of drugs in biological samples is an important task for the determination of the physiological performance of the investigated drugs. After ...

This article is aimed at analysts concerned with the pre-concentration of compounds, usually in trace quantities, in complex matrices. Traditional methods are time-consuming, require large sample ...

On-site sample preparation is an analytical approach based on direct sampling from the system under investigation. It has the advantage of combining sampling and ...

Department of Chemistry, University of Waterloo, Waterloo, ON N2L 3G1, Canada, Eli Lilly Canada Inc., 3650 Danforth Avenue, Scarborough, ON M1N 2E8, Canada, and Eli Lilly Corporate Center, ...

For a long time, the importance of sample preparation and extraction in the analytical performance of the most diverse methodologies have been neglected. Cumbersome techniques, involving high sample ...

Epichlorohydrin (ECH) is toxic to humans via multiple routes and is a potential carcinogen. The accurate measurement of ECH at trace level (<0.1 μg/L) is still an obstacle hindering the monitoring and ...

Jiangsu Police Institute scientists recently created a solid-phase microextraction (SPME)-based method for determining amphetamine-type stimulants. In a recent study led by scientists at Jiangsu ...

A solid phase microextraction (SPME) method for simultaneous determination of 20 pesticides belonging to various pesticide groups in soil samples was developed. Extraction conditions, such as fibre ...