Sentence examples for preliminary extraction from inspiring English sources

Although the determination of psilocin levels in urine can be performed without sample clean-up (i.e., removing potential contaminants that make it difficult to accurately assess concentration), the analysis in plasma or serum requires a preliminary extraction, followed by derivatization of the extracts in the case of GC MS.

The developed approach applied for morin quantification in mulberry leaves using preliminary extraction with ethanol.

A detailed structural identification of molecules needs a preliminary extraction in a suitable medium and further purification before characterization.

Multi-residue methods with preliminary extraction have been developed for a simultaneous analysis of multiple targets[34].

Pyrolyser-gas chromatography-mass spectrometry was used to analyze polycyclic aromatic hydrocarbons in contaminated soil without preliminary extraction.

At first, several preliminary extraction experiments were conducted to study the kinetics of extraction process under selected conditions (50% aqueous solution of methanol at 25, 50 or 75 °C).

The two solvents were selected based on their extraction yields from preliminary extractions studies.

Moreover, HRMAS allows us to use edited pulse sequences which, especially in the case of biological tissues or agrofood products, may provide a simultaneous information on polar and non-polar components without the need of preliminary sample extraction.

GU conceived the study and performed the preliminary RNA extraction, cDNA synthesis and nested RT-PCR experiments.

The remaining cells were divided into samples containing about 70,000 each (i.e. about 420 ng of genomic DNA) for preliminary gDNA extraction.

A preliminary method for extraction of soluble nutrients from organic materials is presented that investigates important characteristics of design for efficient extraction.