Influence of matrix effects on high performance liquid chromatography-mass spectrometry methods development and validation
Abstract
The purpose of the present work was to evaluate the synergistic effecs of analytical procedures on matrix effects during method development of the drugs determination by high performance liquid chromatography-mass spectrometry (HPLC- -MS). Matrix effects influence both the quantitative and the qualitative analysis, and they are one from the many errors in LC- -MS.
They are many mechanisms evoking these errors and it is not trivial to clear up all of them. We evaluated the influence of the optimal ionization type (electrospray ionization, atmospheric pressure chemical ionization), the sample preparation procedure, the mobile phase composition and the additives, the choice of suitable internal standard, and the type of biological material during the development of new method.
For the successful validation of HPLC-MS method is mandatory to evaluate the matrix effect parameters.