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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.

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Category Archives: Fundamentals

Particle Formation in Ambient MALDI Plumes

Posted bykkmurrayAugust 1, 2011August 17, 2019Posted inAerosol, Fundamentals, LSU, PublicationTags: LSU, MALDI, Publication

Wavelength and time-resolved imaging of material ejection in infrared matrix-assisted laser desorption

Fast photography setup (closeup) from Fan & Murray, J. Phys. Chem. A. 114 (2010) 1492
Posted bykkmurrayJanuary 25, 2010August 3, 2019Posted inFundamentals, LSU, Photo, PublicationTags: Ablation, glycerol, Infrared, LSU, photography, Publication

UV laser irradiation of IR laser generated particles ablated from nitrobenzyl alcohol

Posted bykkmurrayFebruary 18, 2009August 17, 2019Posted inAerosol, Fundamentals, LSU, PublicationTags: LSU, Publication

Infrared laser wavelength dependence of particles ablated from glycerol

Surface plot of fluence dependence of particle concentration for ablation of glycerol
Posted bykkmurrayDecember 2, 2008August 17, 2019Posted inAerosol, Fundamentals, LSU, PublicationTags: Infrared, LSU, particle, Publication

Matrix-assisted laser desorption ionization of infrared laser ablated particles

IR and UV MALDI-2 laser and mass spectrometer schematic
Posted bykkmurrayApril 10, 2008August 17, 2019Posted inAerosol, Fundamentals, LAPI, LSU, PublicationTags: Infrared, Laser, LSU, Publication

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

Integrated ion signal for the NO loss fragment of 4-nitroaniline
Posted bykkmurrayMarch 12, 2007August 12, 2019Posted inFundamentals, LSU, Publication

Wavelength dependence of soft infrared laser desorption and ionization

Inverse threshold fluence for insulin ion formation plotted as a function of wavelength
Posted bykkmurrayDecember 3, 2006August 3, 2019Posted inFundamentals, LSU, Publication

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

Particle sized distribution weighted by count and mass from ablation of glycerol
Posted bykkmurrayAugust 14, 2006August 17, 2019Posted inAerosol, Fundamentals, LSU, PublicationTags: aerosol, glycerol, infrated

Characterization of infrared matrix-assisted laser desorption ionization samples by Fourier transform infrared attenuated total reflection spectroscopy

FT-IR ATR spectra
Posted bykkmurrayDecember 19, 2003June 3, 2022Posted inFundamentals, Instrumentation, LSU, PublicationTags: Infrared, matrix, spectroscopy

Characterization of Coarse Particles Formed by Laser Ablation of MALDI Matrixes

Aerodynamic particle sizer
Posted bykkmurrayNovember 21, 2003June 3, 2022Posted inAerosol, Fundamentals, Instrumentation, LSU, Publication, Research AreasTags: Ablation, particle, UV

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