Handbook of Advanced Chromatography / Mass Spectrometry Techniques
Chapter 5 - Porous Monolithic Layers and Mass Spectrometry
Frantisek Svec and Yongqin Lv

Figure 5-21. Separation of leucine enkephalin, gly-tyr, val-tyr-val, and oxytocin on plates consisting of poly(glycidyl methacrylate-ethylene dimethacrylate) monolith (A), poly(glycidyl methacrylate-ethylene dimethacrylate) monolith with hydrolyzed epoxy groups (B), monolithic layer with poly(lauryl methacrylate) homogeneously photografted on the entire surface (C), and monolithic layer with hydrophilized surface photografted with a diagonal gradient of poly(lauryl methacrylate) (D) using mobile phase 0.1% trifluoroacetic acid in 30% acetonitrile-water in the first dimension and 0.1% trifluoroacetic acid in 50% methanol-water in the second dimension.

*Click on image for full-size .jpg*

<< Back to Chapter 5 <<