Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has been widely used for biomolecule analysis in the last thirty years 1,2. MALDI provides singly charged ions, resulting in ...

At the micro-scale, the water exchange in karst water-bearing media remains unclear. This study applies the Stokes-Brinkman equation to couple the seepage within the karst matrix and the free flow ...

There are two ways in which 'difficult' samples are usually categorized: either by the problems posed by the physical nature of the post-vivo sample matrix containing the chemical entity to be ...