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Innovative Laser Microstructuring for Ion Chemistry Nanoreactor

This study explores Laser-Microstructuring of a Silicon Nanoreactor for Ion Chemistry, demonstrating various fluence levels' effects and the stability of electro sprays. The research involves Collision Induced Dissociation experiments on Lily petals and Metabolomics imaging via MALDI, showcasing composite images with MS spectra.

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Innovative Laser Microstructuring for Ion Chemistry Nanoreactor

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  1. Matrix-Less MALDI Vertes – GWUMC – 01/24/07 XYZ air 3× mode locked Nd:YAG SF6 gas water Laser-Microstructuring of Si

  2. Nanoreactor for Ion Chemistry Vertes – GWUMC – 01/24/07 h Low fluence => protonation Medium fluence => alkalination

  3. In-Source Decay Vertes – GWUMC – 01/24/07 P14R High fluence => ISD bradykinin Fluence Chen and Vertes Anal. Chem., 2006, 78, 5835.

  4. Atmospheric Pressure MALDI Imaging Vertes – GWUMC – 01/24/07 • Metabolomics • Proteomics composite images to MS IR Laser beam spectra Pulsed dynamic focusing

  5. Metabolic Imaging Vertes – GWUMC – 01/24/07 Glucose/Fructose Sucrose Optical Toluidine Blue O Plant transpiration experiment Glucose/Fructose Toluidine Blue O Sucrose

  6. MS/MS for Metabolites Vertes – GWUMC – 01/24/07 Collision induced dissociation Lily petal CID - m/z 145.01 x-y scanning z positioning -ketoglutaric acid NIST Database 30 metabolites identified

  7. Stability of Electrosprays Vertes – GWUMC – 01/24/07 Varicose breakup Side jet Lateral kink breakup

  8. Order-Chaos-Order Vertes – GWUMC – 01/24/07 Axial III to Axial II Transition 170 s

  9. Vertes – GWUMC – 01/24/07 Return Maps Marginean, et al., Phys. Rev. Lett., 2006, 97, 064502.

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