ARTICLE Solid-phase extraction of nitro-PAH from aquatic samples and its separation by reverse-phase capillary liquid chromatography Marcelo Toledo; Fernando M. Lanças; Emanuel Carrilho * Instituto de ...

To better detect polycyclic aromatic hydrocarbons in the human body, a UHPLC–MS/MS method was developed and tested on urine samples from workers exposed to diesel exhaust.

A recently published study set out to determine whether serum metabolic signatures inform on the relationship between healthy lifestyle and colon cancer risk. Serum samples were analyzed using liquid ...

The earliest stationary phases were relatively large particles (40-50 µm) of silica, for normal phase chromatography, and polymers (mainly polystyrene-divinylbenzene) or silica with coatings of a ...

The reverse conduction capability of MOSFETs is beneficial for the efficiency of a three-phase inverter. In this article, analytical expressions in closed form are presented which allow to quickly ...

Analyte retention in reversed-phase liquid chromatography decreases with increasing solute polarity of a compound, whereby the parameters of the water–organic solvent (W–OS) mobile phase can influence ...

It’s the latest setback for President Trump in his effort to purge perceived political opponents from independent agencies.

Analyte retention in reversed-phase liquid chromatography is manipulated via the elution strength of the water–organic solvent (W–OS) mobile phase, whereby raising the OS volume fraction or eluent ...