LSU – Page 9 – Murray Mass Spectrometry Group

Murray Mass Spectrometry Group

Research group of Kermit Murray at Louisiana State University where we use lasers for sampling and imaging and study the chemistry and physics of laser ablation.

Infrared laser wavelength dependence of particles ablated from glycerol

Surface plot of fluence dependence of particle concentration for ablation of glycerol

Intact and Top-Down Characterization of Biomolecules and Direct Analysis Using Infrared Matrix-Assisted Laser Desorption Electrospray Ionization Coupled to FT-ICR Mass Spectrometry

On-line versus off-line analysis from a microfluidic device

Bacteria Culture Chip

Infrared laser-assisted desorption electrospray ionization mass spectrometry

Matrix-assisted laser desorption ionization of infrared laser ablated particles

IR and UV MALDI-2 laser and mass spectrometer schematic

Desorption electrospray ionization of aerosol particles

Schematic of the dry particle DESI setup

Mass spectrometry and Web 2.0

Two-Laser Mid-Infrared and Ultraviolet Matrix-Assisted Laser Desorption/Ionization

Integrated ion signal for the NO loss fragment of 4-nitroaniline

Wavelength dependence of soft infrared laser desorption and ionization

Inverse threshold fluence for insulin ion formation plotted as a function of wavelength

Particle formation by infrared laser ablation of glycerol: implications for ion formation

Particle sized distribution weighted by count and mass from ablation of glycerol