Supercritical fluid chromatography(SFC)is a prominent separation technique that exhibits the advantages of high diffusivity,low viscosity,low cost,environme
1.Theory In quadrupole operation,resolution can be improved by applying an excitation voltage to the quadrupole electrode.Typical excitation methods are qua
Proteins on the cell surface are responsible for many critical functions1-2.Systematical profiling of these proteins would provide a unique molecular finger