Ion-suppression effects in liquid chromatography–tandem mass spectrometry due to a formulation agent, a case study in drug discovery bioanalysis

Strategies for the Assessment of Matrix Effect in Quantitative Bioanalytical Methods Based on HPLC−MS/MS

B.K. Matuszewski, M.L. Constanzer, C.M. Chavez-Eng · Analytical Chemistry · 2003 · 5.1K citations

Mechanistic investigation of ionization suppression in electrospray ionization

Richard C. King, Ryan Bonfiglio, Carmen Fernández‐Metzler et al. · Journal of the American Society for Mass Spectrometry · 2000 · 1.1K citations

Engineering, Relative Importance, Ion Process +17

The effects of sample preparation methods on the variability of the electrospray ionization response for model drug compounds

Ryan Bonfiglio, Richard C. King, Timothy Olah et al. · Rapid Communications in Mass Spectrometry · 1999 · 915 citations

Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids:  A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations

B.K. Matuszewski, M.L. Constanzer, C.M. Chavez-Eng · Analytical Chemistry · 1998 · 873 citations

Quantitative Lc/ms/ms Analyses, Minimal Hplc Retention, Drug Purity +21

Simultaneous determination of fluoroquinolone, sulfonamide, and trimethoprim antibiotics in wastewater using tandem solid phase extraction and liquid chromatography–electrospray mass spectrometry

Jay Renew, Ching‐Hua Huang · Journal of Chromatography A · 2004 · 352 citations

Engineering, Antibiotics, Environmental Engineering +15