# SEARCH

** Biological Sample Matrix Variables **

** Matrix Effects and Sample Preparation **

** Matrix assisted laser desorption ionization sample preparation **

** Matrix-assisted laser desorption tissue samples **

** Matrix-assisted laser sample introduction **

** Matrix-assisted laser sample load **

** Matrix-assisted laser sample preparation **

** Retention times internal standards, sample matrix effect **

** Reverse phase method development sample matrix **

** Sample Preparation for the Matrix Urine **

** Sample Preparation, and Matrices **

** Sample handling matrix effects **

** Sample matrix chemical changes **

** Sample preparation analyte/matrix **

** Sample preparation matrix solid-phase dispersion **

** Sample preparation trace matrix separation **

** Samples contaminated with matrix **