Ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS) was used for the analysis of serum and urine metabolites in patients with cirrhosis. By ...

The adulteration of herbal/dietary supplements with erectile dysfunction (ED) drugs and their analogies is reported worldwide and is an increasing problem. The sale of so-called 100% ‘all-natural’ ...

Data was collected using the supplied MRM method. This method includes two transitions (qualifier and quantifier) per compound, with associated preconfigured parameters for cone voltage, as well as ...

The ACQUITY UPLC I-Class PLUS System offers industry-leading separations performance, opening up new possibilities for maximizing the resolution and sensitivity of your methods, improving the ...