PRESENTATIONS

Invited Talks

  1. G. Gamez, H. Agrawaal, R. Joshi. Nanoscale Materials Characterization Via Glow Discharge Optical Emission Coded Aperture Elemental Mapping, Winter Conference on Plasma Spectrochemistry, January 15 – 20, 2024, Tucson, USA.
  2. H. Agrawaal, R. Joshi, H. Kwon, G. Gamez. Glow discharge optical emission coded aperture spectral imaging elemental mapping, Invited talk at the Great Scientific Exchange (SciX) Conference, Sparks, Nevada, October 8-13, 2023.
  3. G. Gamez, K. Finch. Radiofrequency (Em)Powered Glow Discharge Spectrometry: Enabling novel analysis methods from materials to biological sciences, Invited talk at the Great Scientific Exchange (SciX) Conference, Sparks, Nevada, October 8-13, 2023.
  4. D. Zhang, G. Gamez. Fast imaging of polymers via laser assisted micro pyrolysis flowing atmospheric-pressure afterglow high-resolution mass spectrometry, Invited talk at the Great  Scientific Exchange SciX, Covington, Kentucky, October 2-7, 2022.
  5. G. Gamez, K. Finch. Nanoparticle characterization via glow discharge optical emission spectroscopy elemental mapping, Oral presentation at the Great  Scientific Exchange SciX, Covington, Kentucky, October 2-7, 2022.
  6. G. Gamez, K. Finch. Glow discharge optical emission spectroscopy ultra-hing throughput elemental mapping: insights into the underlying mechanisms via laser scattering techniques, Invited talk at the Great  Scientific Exchange SciX, Covington, Kentucky, October 2-7, 2022.
  7. G. Gamez, Ultra-high Throughput Chemical Imaging Of Material Surfaces Enabled by Plasma Spectrochemistry And Compressed Sensing Strategies, Seminar series, Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, August 31st, 2022.
  8. G. Gamez, K. Finch, Nanoparticle Characterization via Glow Discharge Optical Emission Spectroscopy Elemental Mapping, Roundtable on NanoCharacterization, Federal Institute for Materials Research and Testing (BAM), June 30th, 2022, Berlin, Germany.
  9. D. Zhang, M. Budomo, G. Gamez. Lignocellulosic Biomass Characterization via Laser-Assisted Micro-Pyrolysis Flowing Atmospheric Pressure Afterglow Ambient Mass Spectrometry, lightning talk in the Ambient Sampling & Ionization Interest Group workshop, 70th ASMS conference on Mass Spectrometry and Allied Topics, June 5-9, 2022, Minneapolis, USA.
  10. G. Gamez, H. Agrawaal, M. Moran, K. Finch, Surface Multi-Elemental Mapping in a Single Shot: Compressed Sensing Hyperspectral Imaging Stratagies for Glow Discharge Optical Emission Spectroscopy, International Glow Discharge Spectroscopy Symposium, April 6 – 8, 2022, Oviedo, Spain.
  11. K. Finch, H. Agrawaal, A. Peter-Azorji, G. Gamez, High Throughput Nanoparticle Detection and Characterization through Glow Discharge Optical Emission Spectroscopy Elemental Mapping, International Glow Discharge Spectroscopy Symposium, April 6 – 8, 2022, Oviedo, Spain.
  12. G. Gamez, Ultra-high Throughput 3D Elemental Mapping via Glow Discharge Optical Emission Spectroscopy and Compressed Sensing, Seminar Series, Department of Chemistry, University of Tennessee, January 27, 2022, Knoxville, USA.
  13. K. Finch, H. Agraawal, A. Peter-Azorji, H. Kwon, G. Gamez, Characterization of Nanoparticles via Glow Discharge Optical Emission Spectroscopy Elemental Mapping, Winter Conference on Plasma Spectrochemistry, January 16 – 22, 2022, Tucson, USA.
  14. G. Gamez, H. Agraawal, K. Finch, D. Zhang, M. Moran, H. Kwon, Pushing the Throughput Limits of Glow Discharge Optical Emission Spectroscopy Elemental Mapping, Winter Conference on Plasma Spectrochemistry, January 16 – 22, 2022, Tucson, USA.
  15. G. Gamez, H. Agraawal, K. Finch, D. Zhang, M. Moran, H. Kwon, Platforms for Nanoparticle Characterization Via Glow Discharge Optical Emission Spectroscopy Elemental Mapping, PACIFICHEM, December 16 – 21, 2021, Honolulu, USA.
  16. G. Gamez. Glow Discharge Optical Emission Spectroscopy And Compressed Sensing Strategies For Ultra-High Throughput 3D Elemental Analysis Of Solid Surfaces, University of Texas Arlington, October 29, 2021, Arlington, USA.
  17. G. Gamez. Espectroscopía de Emisión Óptica por Descarga Luminiscente y Detección Comprimida para el Mapeo Elemental Ultra-Rápido en 3D de Superficies Sólidas, Plenary Lecture at the Chemical Engineering Week event, Instituto Nacional de Mexico/Instituto Tecnologico de Aguascalientes, October 25, 2021, Mexico.
  18. K. Finch, H. Agrawaal, H. Kwon, G. Gamez, Laser scattering investigation into fundamental parameters of µs-pulsed radiofrequency glow discharge under optical emission spectroscopy elemental mapping conditions, FACSS Great Scientific eXchange: SciX conference, September 26 – October 1, 2021, Providence, USA.
  19. G. Gamez. Connecting The Dots: Beyond Surviving Your Stem Higher Education Experience As A Minority, SACNAS Minority Alumni Speaker Series, Indiana University Bloomington, April 21, 2021, Bloomington, USA.
  20. G. Gamez. Ultra-High Throughput 3D Elemental Analysis Of Surfaces With Glow Discharge Optical Emission Spectroscopy And Compressed Sensing Strategies, Indiana University Bloomington, April 21, 2021, Bloomington, USA. 
  21. G. Gamez, K. Finch, A. Hernandez, Y. She. Platforms for Nanoparticle Characterization via Glow Discharge Optical Emission Spectroscopy Elemental Mapping, FACSS Great SCIentific eXchange: SciX conference, October 12 – 15, 2020, virtual conference.
  22. G. Gamez, K. Finch, Y. She. Multi-Dimensional Elemental Analysis of Conductive and Non-conductive Samples by Pulsed Glow-Discharge Spectrometry, PITTCON conference & expo, March 1-5, 2020, Chicago, USA.
  23. G. Gamez, K. Finch, Y. She, S. Shi, D. Zhang, M. Latif, M. Oliva, Surveying the Three Dimensional Elemental Landscape of Solid Sample Surfaces with Glow Discharge Optical Emission Spectroscopy, invited lecture presented at the Winter Conference on Plasma Spectrochemistry, January 13 – 18, 2020, Tucson, USA. Young Scientist in Plasma Spectrochemistry Award.
  24. G. Gamez, Y. She, K. Finch, Glow Discharge Optical Emission Spectroscopy with Compressed Sensing Encoding in the Spectral Dimension, FACSS Great SCIentific eXchange: SciX conference, October 13 – 18, 2019, Palm Springs, USA.
  25. G. Gamez, Higher Throughput Direct Chemical Analysis Via Plasma Spectrochemistry, University of North Carolina Wilmington, September 20, 2019, Wilmington, USA.
  26. G. Gamez, K. Finch, Y. She, S. Shi. Novel Spectral Imaging Techniques Applied to Glow Discharge Optical Emission Spectroscopy Elemental Mapping, June 9 – 14, 2019, Mexico City, Mexico.
  27. G. Gamez, Independently addressable linear restrictive anode array masks for glow discharge optical emission spectroscopy elemental mapping, October 21 – 26, 2018, Atlanta, USA.
  28. G. Gamez, K. Finch, S. Shi, Y. Yuan, C. Pesek, Chemical Imaging with Glow Discharges, Winter Conference on Plasma Spectrochemistry, January 8 – 13, 2018, Amelia Island, USA.
  29. G. Gamez, K. Finch, S. Shi, Y. Yuan, 3D Elemental Mapping with Glow Discharge Optical Emission Spectroscopy: When Analysis Time Counts, Asia-Pacific Winter Conference on Plasma Spectrochemistry, November 13 – 17, 2017, Matsue, Japan.
  30. G. Gamez, Hyperspectral Imaging for Plasma-based Chemical Analysis, Indiana University Bloomington, October 31, 2017, Bloomington, USA.
  31. Gong, S. Shi, G. Gamez, Plasma-based Ambient Mass Spectrometry for Surface Analysis, American Chemical Society Southwest Regional Meeting, October 29 – November 1, 2017, Lubbock, USA.
  32. G. Gamez, Ultra-high Throughput Multi-dimensional Resolution in Surface Analysis via Glow Discharge Optical Emission Spectroscopy, Los Alamos National Laboratory Chemistry Colloquium Series Distinguished Speaker, June 2017, Los Alamos, USA.
  33. G. Gamez, Recent Advances in Elemental Mapping through Glow Discharge Optical Emission Spectroscopy, FACSS Great SCIentific eXchange: SciX conference, September 18 – 23, 2017, Reno, USA.
  34. Gamez, J. Usala, T. Addesso, Compressive Sensing Spectral Imaging of Glow Discharges for Chemical Analysis, FACSS Great SCIentific eXchange: SciX conference, September 18 – 23, 2016, Minneapolis, USA.
  35. Gamez, J. Usala, T. Addesso, Ultra-high Throughput Surface Elemental Mapping via Glow Discharge Optical Emission Spectroscopy, International Glow Discharge Spectroscopy Symposium, April 17-20, 2016, Liverpool, UK.
  36. Gamez, Revealing Surface Elemental Landscapes with Ultra-high Throughput via GDOES, PITTCON conference & expo, March 6-10, 2016, Atlanta, USA. Emerging Investigator Lectureship Award.jaas-award-talk
  37. Gamez, M. Kroschk, J. Usala, T. Addesso, Recent Advances in Glow Discharge Elemental Mapping of Large Area Samples, Winter Conference on Plasma Spectrochemistry, January 10-16, 2016, Tucson, USA.
  38. Gamez, M. Kroschk, Getting the Molecular Picture with Plasmas, PITTCON conference & expo, March 8-12, 2015, New Orleans, USA.
  39. Gamez, S. Songyue, M. Kroschk, X. Gong, Plasma-based Ambient Ionization Sources for Materials Characterization, American Chemical Society Southwest Regional Meeting, November 19-22, 2014, Ft. Worth, USA.
  40. Gamez, Glow Discharge Plasmas for Materials Characterization, University of Texas at El Paso, October 11, 2013, El Paso, USA.
  41. Gamez, Recent Advances in Glow Discharge Optical Emission Spectroscopy Elemental Mapping, FACSS Great Scientific eXchange: SciX conference, September 28 – October 3, 2014, Reno, USA.
  42. Gamez, A Look Back Into The Futures Past: Research Interests of the Gamez Group, LECO Corp., September 26, 2013, St. Joseph, USA.
  43. Gamez, Glow Discharge Plasmas in Analytical Chemistry, Bern University of Applied Sciences, February 6, 2012, Biel, Switzerland.
  44. Gamez, Principles and Applications of Glow Discharge Optical Emission Spectroscopy, Topical Day on Practical Surface Analysis, September 27, 2010, Dübendorf, Switzerland.
  45. Zenobi, H. Chen, G. Gamez, L. Zhu, Extractive Electro-Spray Ionization Mass Spectrometry in Metabolomics and Medical Diagnosis, ASMS Conference on Mass Spectrometry and Allied Topics, June 1 – 5, 2008 in Denver, Colorado.
  46. Gamez, Exploiting the glow discharge’s versatility and improving its understanding, Winter conference on Plasma Spectrochemistry, January 9-14, 2006, Tucson, Arizona.
  47. Gamez, Fundamental studies of the inductively coupled plasma and glow discharge, Eastern Analytical Symposium and Exhibit, Somerset, NJ, November 15-18, 2004.

Poster Presentations

  1. E. Branch, Aryanna Monroe, G. Gamez. Microwave-enhanced laser-induced plasma spectroscopy enabled by novel microstrip waveguide architectures, poster, TTU Undergraduate Research Conference, April 9-10, 2024, Lubbock, USA.
  2. A. Monroe, Ezekiel Branch, G. Gamez. Study of microwave interactions with laser induced plasma via Thomson scattering diagnostics, poster, TTU Undergraduate Research Conference, April 9-10, 2024, Lubbock, USA.
  3. H. Agrawaal, G. Gamez. Glow discharge optical emission coded aperture spectral imaging elemental mapping (GOCAM), poster, TTU Graduate Student Poster Competition, March 8, 2024, Lubbock, USA.
  4. D. Zhang, M. Loomer, E. Akatugba, G. Gamez. Quantitation of lignin/cellulose/hemicellulose and lignin monomeric unit ratios in lignocellulosic biomass via laser-assisted micro-pyrolysis flowing atmospheric pressure afterglow mass spectrometry, poster, ASMS Conference on Mass Spectrometry and Allied Topics, June 4-8, 2023, Houston, USA.
  5. D. Zhang, M. Loomer, E. Akatugba, G. Gamez. Quantitation of lignin/cellulose/hemicellulose and lignin monomeric unit ratios in lignocellulosic biomass via laser-assisted micro-pyrolysis flowing atmospheric pressure afterglow mass spectrometry, poster, ASMS Conference on Mass Spectrometry and Allied Topics, June 4-8, 2023, Houston, USA.
  6. H. Kwon, H. Agrawaal, G. Gamez. Simultaneous multi-elemental characterization of nanoparticles via glow discharge optical emission coded aperture spectral imaging elemental mapping (GOCAM), poster, TTU Undergraduate Research Conference, April 11-14, 2023, Lubbock, USA.
  7. J. Agu, A. Monroe, G. Gamez. Laser scattering diagnostics of low-density plasmas with intensified CMOS array detector, poster, TTU Undergraduate Research Conference, April 11-14, 2023, Lubbock, USA.
  8. M. Loomer, D. Zhang, G. Gamez. LAMP FAPA MS of Biomass Feedstock, poster, TTU Undergraduate Research Conference, April 11-14, 2023, Lubbock, USA.
  9. H. Scott, D. Zhang, G. Gamez. Mass spectrometry imaging of microplastics using LAMP FAPA high-resolution mass spectrometry, poster, TTU Undergraduate Research Conference, April 11-14, 2023, Lubbock, USA.
  10. D. Zhang, M. Loomer, H. Scott, G. Gamez. Fast characterization of synthetic polymers and lignocellulosic biomass via laser-assisted micro-pyrolysis flowing atmospheric-pressure afterglow high-resolution mass spectrometry imaging, poster Pittcon Conference & Expo, March 18-22, 2023, Pennsylvania, USA.
  11. G. Gamez, S. J. Ray, K. Finch. Effect of pressure on the fundamental parameters’ spatio-temporal evolution in a µs pulsed-power glow discharge in low vacuum as studied via laser scattering techniques, 64th Annual Meeting of the APS Division of Plasma Physics, October 17-21, 2022, Spokane, USA.
  12. D. Zhang, M. Budomo, G. Gamez. Lignocellulosic Biomass Characterization via Laser-Assisted Micro-Pyrolysis Flowing Atmospheric Pressure Afterglow Ambient Mass Spectrometry, 70th ASMS conference on Mass Spectrometry and Allied Topics, June 5-9, 2022, Minneapolis, USA.
  13. K. Finch, G. Gamez, Fundamental characterization of μs-Pulsed RF Glow Discharge Under Optical Emission Spectroscopy Elemental Mapping Conditions via Laser Scattering Approaches, International Glow Discharge Spectroscopy Symposium, April 6 – 8, 2022, Oviedo, Spain.
  14. H. Agrawaal, M. Moran, K. Finch, G. Gamez, Glow Discharge Optical Emission Coded Aperture Spectroscopy: Potential For Improved Limits Of Detection, International Glow Discharge Spectroscopy Symposium, April 6 – 8, 2022, Oviedo, Spain.
  15. D. Zhang, M. Budomo, G. Gamez, Flowing Atmospheric Pressure Afterglow (FAPA) High Resolution (HR) Ambient Mass Spectrometry (AMS) Coupled To Laser Assisted Micropyrolysis (LAMP) Sampling For Rapid Composition Analysis Of Lignocellulosic Biomass Feedstock, International Glow Discharge Spectroscopy Symposium, April 6 – 8, 2022, Oviedo, Spain.
  16. M. Moran, H. Agrawaal, K. Finch, G. Gamez, Computer Simulation Study on the Effect of Operating Parameters on the Fidelity of Coded Aperture Snapshot Spectral Imaging Glow Discharge Optical Emission Spectroscopy Elemental Mapping, Texas Tech University Undergraduate Research Conference, March 28-30, 2022, Lubbock, USA.
  17. A. Peter-Azorji, K. Finch, G. Gamez, Elemental Mapping of Silver Nanoparticles Using Glow Discharge Optical Emission Spectroscopy, Texas Tech University Undergraduate Research Conference, March 28-30, 2022, Lubbock, USA.
  18. M. Budomo, D. Zhang, G. Gamez, Real-Time Composition Analysis of Biomass Feedstock by Flowing Atmospheric-Pressure Afterglow High-Resolution Ambient Mass Spectrometry with Laser-Assisted Micro-Pyrolysis Sampling, Texas Tech University Undergraduate Research Conference, March 28-30, 2022, Lubbock, USA.
  19. K. Finch, H. Agraawal, A. Peter-Azorji, G. Gamez, Glow Discharge Optical Emission Spectrometry for Nanoparticle Suspension Dried-Residue Characterization, Winter Conference on Plasma Spectrochemistry, January 16 – 22, 2022, Tucson, USA. Poster Award sponsored by the J. Anal. Atom. Spectrom.
  20. H. Agrawaal, M. Moran, K. Finch, G. Gamez, Development of Coded Aperture Snapshot Spectral Imaging System for Glow Discharge Optical Emission Spectroscopy Elemental Imaging, FACSS Great Scientific eXchange: SciX conference, September 26 – October 1, 2021, Providence, USA.
  21. J. Agu, K. Finch, G. Gamez, Differentiating Thomson and Raman Scattering Spectra for Diagnostics of Various Gas Plasmas Used in Chemical Analysis, Texas Tech University Undergraduate Research Conference, March 28-30, 2021, Lubbock, USA.
  22. A. Hernandez, L. Shabaneh, K. Finch, G. Gamez Effect of Operating Parameters on the Elemental Mapping of Silver Nanoparticles using Glow Discharge Optical Emission Spectroscopy, Texas Tech University Undergraduate Research Conference, March 28-30, 2021, Lubbock, USA.
  23. P. Rivera, Y. She, G. Gamez. Compressed Sensing Single Pixel Imaging for Glow Discharge Optical Emission Spectroscopy Elemental Mapping, Texas Tech University Undergraduate Research Conference, March 28-30, 2021, Lubbock, USA.
  24. L. Shabaneh, A. Hernandez, K. Finch, G. Gamez, Nanoparticle Elemental Mapping of Pristine Plant Tissues through Glow Discharge Optical Emission Spectroscopy, Texas Tech University Undergraduate Research Conference, March 28-30, 2021, Lubbock, USA.
  25. D. Zeldes, D. Zhang, G. Gamez, Pressure Sensitive Adhesive Tape Evidence Fast Discrimination via Laser Assisted Pyrolysis Program Flowing Atmospheric Pressure Afterglow Mass Spectrometry, Texas Tech University Undergraduate Research Conference, March 28-30, 2021, Lubbock, USA.
  26. H. Agraawal, G. Gamez, Glow discharge optical emission spectroscopy elemental mapping via coded aperture snapshot spectral imaging, PITTCON conference & expo, March 8 – 12, 2021.
  27. J. Agu, K. Finch, G. Gamez, Unscrambling Raman and Thomson Scattering Spectra for Diagnostics of Mixed-Gas Plasmas Used in Chemical Analysis, PITTCON conference & expo, March 8 – 12, 2021.
  28. K. Finch, J. Agu, G. Gamez, Laser Scattering Diagnostics on the Effect of Optical Emission Elemental Mapping Operating Conditions in a Glow Discharge Fundamental Parameters, PITTCON conference & expo, March 8 – 12, 2021.
  29. A. Hernandez, L. Shabaneh, K. Finch, G. Gamez, Effect of Operating Conditions on the Chemical Imaging of Silver Nanoparticles using Glow Discharge Optical Emission Spectrometry, PITTCON conference & expo, March 8 – 12, 2021.
  30. L. Shabaneh, A. Hernandez, K. Finch, G. Gamez, Pristine Plant Tissue Analysis Using Glow Discharge Optical Emission Spectroscopy: Nanoparticle Elemental Mapping, PITTCON conference & expo, March 8 – 12, 2021.
  31. K. Finch, A. Hernandez, G. Gamez, A Spatiotemporally Resolved Characterization of a Radiofrequency Pulsed Glow Discharge Fundamental Parameters Under Optical Emission Spectroscopy Elemental Mapping Operating Conditions, FACSS Great SCIentific eXchange: SciX conference, October 12 – 15, 2020, virtual conference.
  32. Y. She, K. Finch, A. Hernandez, G. Gamez, GDOES elemental mapping and quantification via Single Pixel Compressed Sensing Imaging, FACSS Great SCIentific eXchange: SciX conference, October 12 – 15, 2020, virtual conference.
  33. D. Zhang, M. Oliva, G. Gamez, Polymer Characterization via Laser-Assisted Pyrolysis Program Flowing Atmospheric Pressure Afterglow Ambient Mass Spectrometry, FACSS Great SCIentific eXchange: SciX conference, October 12 – 15, 2020, virtual conference.
  34.  A. Hernandez, K. Finch, Y. She, G. Gamez Elemental Mapping of Silver Nanoparticles on Microarrays using Glow Discharge Optical Emission Spectrometry, FACSS Great SCIentific eXchange: SciX conference, October 12 – 15, 2020, virtual conference.
  35. A. Hernandez, K. Finch, Y. She, G. Gamez, Chemical Imaging of Silver Nanoparticles on a Microarray Medium with Glow Discharge Optical Emission Spectrometry, LatinXCHEM(@LatinXChem)/Twitter, September 7, 2020, virtual conference.
  36. M. Oliva, D. Zhang, G. Gamez, Adhesive Tape Discrimination For Forensic Applications with Flowing Atmospheric Pressure Afterglow Ambient Mass Spectrometry, 68th ASMS conference on Mass Spectrometry and Allied Topics, June 1-12, 2020, online.
  37. D. Zhang, G. Gamez Reactive Flowing Atmospheric Pressure Afterglow for Derivatization Analytes in Real-time, 68th ASMS conference on Mass Spectrometry and Allied Topics, June 1-12, 2020, online.
  38. M. Latif, G. Gamez, Flowing Atmospheric-Pressure Afterglow Drift Tube Ion Mobility Spectrometry, 68th ASMS conference on Mass Spectrometry and Allied Topics, June 1-12, 2020, online.
  39. M. Oliva, Y. Pu, D. Zhang, G. Gamez. Ambient Ionization Mass Spectrometry (AMS): A New Forensic Tool for Adhesive Tape Evidence Discrimination, Poster presentation, 72nd Scientific Meeting of the American Academy of Forensic Sciences, February 17-22, 2020, Anaheim, USA.
  40. K. Finch, S. Shi, J. M. Lee, A. Hernandez, C. Pesek, G. Gamez, Initial Implementation of Complementary Laser Scattering Plasma Diagnostic Techniques via a Novel Transmission-Type Triple Grating Spectrograph, FACSS Great SCIentific eXchange: SciX conference, October 13 – 18, 2019, Palm Springs, USA. 2nd place award in the Atomic Spectroscopy Poster Session

  41. C. Baker, Y. She, G. Gamez, Glow Discharge Optical Emission Elemental Mapping Method Development for Thin Sections and Solutions, Texas Tech University Undergraduate Research Conference, April 2-3, 2019, Lubbock, USA.
  42. Z. Kempf, Y. Pu, G. Gamez, Characterization of the Flowing Atmospheric Pressure Afterglow Ambient Mass Spectrometry Desorption/Ionization Source for Performing Real-Time Derivatization Reactions, Texas Tech University Undergraduate Research Conference, April 2-3, 2019, Lubbock, USA.
  43. L. J. Min, K. Finch, G. Gamez, Development of Laser Rayleigh Scattering Plasma Diagnostic Instrument for Characterization of Plasma Gas Kinetic Temperature Maps in Plasmas Used for Chemical Analysis, Texas Tech University Undergraduate Research Conference, April 2-3, 2019, Lubbock, USA.
  44. S. Shi, X. Gong, K. Finch, Y. Mu, C. Pesek, G. Gamez, Geometric Super-resolution on Push-broom Hyperspectral Imaging for Plasma Optical Emission Spectroscopy, FACSS Great SCIentific eXchange: SciX conference, October 21 – 26, 2018, Atlanta, USA.
  45. K. Finch, C. Pesek, S. Shi, G. Gamez, Design and Characterization of a Transmission Triple Grating Spectrograph for Laser Induced Scattering Diagnostics of Plasmas Used for Chemical Analysis, FACSS Great SCIentific eXchange: SciX conference, October 21 – 26, 2018, Atlanta, USA.
  46. X. Gong, S. Shi, G. Gamez, Diode laser assisted desorption low temperature plasma mass spectrometry for direct analysis of compounds separated by thin-layer chromatography, FACSS Great SCIentific eXchange: SciX conference, October 21 – 26, 2018, Atlanta, USA.
  47. Y. She, S. Shi, K. Finch, G. Gamez, Glow Discharge Optical Emission Spectroscopy Elemental Mapping via Compressed Sensing Hyperspectral Imaging, FACSS Great SCIentific eXchange: SciX conference, October 21 – 26, 2018, Atlanta, USA.
  48. Y. Pu, X. Gong, G. Gamez, Monitoring chemical reactions in real-time via flowing atmospheric pressure afterglow – mass spectrometry, FACSS Great SCIentific eXchange: SciX conference, October 21 – 26, 2018, Atlanta, USA.
  49. X. Gong, S. Shi, G. Gamez, Diode Laser Assisted Desorption Low Temperature Plasma Mass Spectrometry for Direct Analysis of Compounds Separated by Thin-Layer Chromatography, 66th ASMS conference on Mass Spectrometry and Allied Topics, June 3-7, 2018, San Diego, USA.
  50. I. Embile, X. Gong, G. Gamez, Low-Temperature Plasma Mass Spectrometry Coupled With Thin Layer Chromatography For Direct Analysis Of Compounds, Texas Tech University Undergraduate Research Conference, March 28-30, 2018, Lubbock, USA.
  51. C. Pesek, K. Finch, G. Gamez, Investigating Microsecond-Pulsed Glow Discharge Utilizing A Pulsed Laser-Scattering Instrument, Texas Tech University Undergraduate Research Conference, March 28-30, 2018, Lubbock, USA.
  52. X. Gong, G. Gamez, Quantitative Analysis of Compounds Separated on Thin Layer Chromatography (TLC) Slides by Low-Temperature Plasma (LTP) Desorption/ionization Mass Spectrometry, PITTCON conference & expo, February 26 – March 1, 2018, Orlando, USA.
  53. S. Shi, X. Gong, G. Gamez, Hyperspectral Imaging and Radially Resolved Maps of the Effluent of Atmospheric Pressure μDBD Optimized for Surface Erosion Sampling, PITTCON conference & expo, February 26 – March 1, 2018, Orlando, USA.
  54. Y. Yuan, S. Shi, G. Gamez, Elemental Mapping using GDOES with Restrictive Anode Array Masks, American Chemical Society Southwest Regional Meeting, October 29 – November 1, 2017, Lubbock, USA.
  55. S. Shi, X. Gong, G. Gamez, Optical Emission Hyperspectral Imaging Plasma Diagnostics of Atmospheric Pressure μDBD Optimized for Surface Substrate Erosion Sampling, FACSS Great SCIentific eXchange: SciX conference, September 18 – 23, 2017, Minneapolis, USA
  56. G. Gamez, S. Shi, X. Gong, Reactive Ambient Mass Spectrometry with Flowing Atmospheric Pressure Afterglow, 64th ASMS conference on Mass Spectrometry and Allied Topics, June 5-9, 2016, San Antonio, USA.
  57. Shi, X. Gong, G. Gamez, Depth Surface Erosion and Analysis of Polymer Samples via Micro Dielectric Barrier Discharge Jet Mass Spectrometry, 64th ASMS conference on Mass Spectrometry and Allied Topics, June 5-9, 2016, San Antonio, USA.
  58. Gong, S. Shi, G. Gamez, Low Temperature Plasma Desorption/Ionization Mass Spectrometry for Quantitative Analysis of Exhaled Breath Collected on Filter Substrates, 64th ASMS conference on Mass Spectrometry and Allied Topics, June 5-9, 2016, San Antonio, USA.
  59. Usala, T. Addesso, A. Maag, G. Gamez, Spectral Imaging of Plasma Optical Emission Via Compressed Sensing, PITTCON conference & expo, March 6-10, 2016, Atlanta, USA.
  60. Addesso, J. Usala, G. Gamez, Elemental Mapping of Metallic Nanoparticles via Glow Discharge Optical Emission Spectrometry, Winter conference on Plasma Spectrochemistry, January 10-16, 2016, Tucson, Arizona.
  61. Gamez, S. Shi, X. Gong, M. Kroschk, J. Usala, Fundamental Studies of Atmospheric Pressure Dielectric Barrier Discharge Jet Used for Depth Profiling Mass Spectrometry, 63rd ASMS conference on Mass Spectrometry and Allied Topics, 31st May- 4th June, 2015, St. Louis, USA.
  62. Shi, X. Gong, G. Gamez, Depth Profiling of Solid Samples by Dielectric Barrier Discharge Plasma Jet Coupled with Ion Trap Mass Spectrometry, 63rd ASMS conference on Mass Spectrometry and Allied Topics, 31st May- 4th June, 2015, St. Louis, USA.
  63. Gong, S. Shi, G. Gamez, Real-time Breath Monitoring of Valproic Acid by Mass Spectrometry with Low Temperature Plasma Ionization Source, 63rd ASMS conference on Mass Spectrometry and Allied Topics, 31st May- 4th June, 2015, St. Louis, USA.
  64. Usala, M. Kroschk, G. Gamez, Development of Instrumentation to Achieve High Throughput Chemical Imaging of Large Area Samples Via Glow Discharge Optical Emission Spectroscopy, Texas Tech University Undergraduate Research Conference, March 29-31, 2015, Lubbock, USA.
  65. Kroschk, J. Usala, G. Gamez, Development of Push-Broom Hyperspectral Imaging System for Glow Discharge Optical Emission Spectroscopy Chemical Imaging, Texas Tech University Undergraduate Research Conference, March 29-31, 2015, Lubbock, USA.
  66. Gamez, V. LeNader, M. Bartenwerfer, A. Savenko, P. Brodard, J. Michler, Adding Tip-Enhanced Raman Spectroscopy Functionality to the “NanoBits” toolbox concept for Atomic Force Microscopy, FACSS Great Scientific Exchange Conference, September 30 – October 5, 2012, Kansas City, USA.
  67. Gamez, L. Zhu, K. Chingin, H. Chen, R. Zenobi, Real-time, In-vivo Pharmacokinetics in Breath via Extractive Electrospray Mass Spectrometry, 35th FACSS Conference, September 28 – October 2, 2008, Reno, Nevada.
  68. Gamez, L. Zhu, K. Chingin, H. Chen, R. Zenobi, Monitoring Pharmacokinetics in Exhaled Breath via Extractive Electrospray Mass Spectrometry, 56th ASMS Conference on Mass Spectrometry and Allied Topics, June 2-5, 2008, Denver, Colorado.
  69. Schmitz, G. Gamez, R. Zenobi, Nanoscale Molecular Analysis and Chemical Imaging via Atmospheric Pressure Near Field Laser Ablation Mass Spectrometry, 9th International Conference on Laser Ablation, September 24-28, 2007, Tenerife, Spain. Best Poster Award
  70. Gamez, T. Schmitz, R. Zenobi, Chemical imaging with nanoscale lateral resolution via atmospheric pressure near field laser ablation mass spectrometry, International Conference on Nanoscience and Technology, July 2-6, 2007, Stockholm, Sweden.
  71. J. Andrade, S. J. Ray, W. Wetzel, M. R. Webb, G. Gamez, G. M. Hieftje, Atmospheric-pressure Helium glow discharge as an ionization source for organic compounds, Winter conference on Plasma Spectrochemistry, January 9-14, 2006, Tucson, Arizona. Best Poster Award
  72. Gamez, A. Bogaerts, G. M. Hieftje, Fundamental characterization of a millisecond-pulsed glow discharge via laser-scattering techniques, Colloquium Spectroscopicum Internationale XXXIV, September 3-9, 2005, Antwerp, Belgium. Best Poster Award
  73. Gamez, Steven J. Ray, Francisco Andrade, Michael Webb, Gary M. Hieftje, Analysis of Gel Electropherograms and Blotting Membranes via Spatially Resolved Glow Discharge Optical Emission Spectrometry, Winter conference on Plasma Spectrochemistry, January 30-Febuary 3, 2005, Budapest, Hungary. Inaugural Richard Payling Award
  74. Gamez, G., Lehn, S. A., Huang, M., Hieftje, G. M. Characterization of the Fundamental Parameters of an ICP Source Exposed to a Mass Spectrometer Interface. 49th American Society of Mass Spectrometry Conference.2001, Chicago, IL.
  75. Gamez, G., Dokken, K., Herrera, I., Tiemann, K.J., and Gardea-Torresdey, J.L. Recovery of Au(III) Ions from Aqueous Solution Through Adsorption and Reduction by Alfalfa Biomass. UTEP Student Research Exposition. October 14, 1999, El Paso, TX.
  76. Gamez, K.J. Tiemann, K. Dokken, J.L. Gardea-Torresdey. Use of Alfalfa as a Pollution Prevention Technology to Recover Gold(III) from Aqueous Solutions. HBCU/OMI Technology Transfer Conference, March 16-18, 1999, Miami, FL.
  77. J.L. Gardea-Torresdey, K.J. Tiemann, G. Gamez , K. Dokken, M.J. Yacamán, Innovative Technology to Recover Gold(III) from Aqueous Solutions by Using Medicago sativa(alfalfa). Annual Conference on Hazardous Waste Research, May 19-21, 1998, Snowbird, UT. Special Recognition Award
  78. Gardea-Torresdey, J.L., Gamez, G., Tiemann, K.J., Dokken, K., Yacamán, M.J. Pollution Prevention Technology for the Removal of Gold(III) from Aqueous Solutions by Medicago sativa(Alfalfa). WERC-WRHSR 1998 Joint Conference on the Environment. Albuquerque, NM. 2nd Place Award

Oral Presentations

  1. H. Kwon, K. Finch, G. Gamez, Glow Discharge Optical Emission Spectroscopy Elemental Mapping of Silver Nanoparticles Separated via Gel Electrophoresis, Texas Tech University Undergraduate Research Conference, March 28-30, 2022, Lubbock, USA.
  2. D. Zhang, D. Zeldes, G. Gamez, 3-Dimensional Mass Spectral Imaging of Polymers via Laser-Assisted Pyrolysis Program Flowing Atmospheric Pressure Afterglow Ambient Mass Spectrometry, ASMS Conference on Mass Spectrometry and Allied Topics, October 31 – November 4, 2021, Philadelphia, USA.
  3. G. Gamez, K. Finch, A. Hernandez, L. Shabaneh, Ultra-high Throughput Nanoparticle Characterization and Elemental Mapping through Glow Discharge Optical Emission Spectroscopy, FACSS Great Scientific eXchange: SciX conference, September 26 – October 1, 2021, Providence, USA.
  4. G. Gamez, M. Kroschk, Applications Enabled by GDOES Elemental Mapping, PITTCON conference & expo, March 8-12, 2015, New Orleans, USA.
  5. Gamez, G. Mohanty, J. Michler, Ultrafast Elemental Mapping of Combinatorial Libraries and High-throughput Samples, FACSS Great Scientific eXchange: SciX conference, September 29 – October 4, 2013, Milwaukee, USA.
  6. Gamez, V. LeNader, M. Bartenwerfer, A. Savenko, P. Brodard, J. Michler, Adding Tip-Enhanced Raman Spectroscopy Functionality to the “NanoBits” toolbox concept for Atomic Force Microscopy, FACSS Great Scientific Exchange Conference, September 30 – October 5, 2012, Kansas City, USA.
  7. Le Nader, G. Gamez, P. Brodard and J. Michler. “Tip preparation for TERS spectroscopy”, 1st International Conference on Enhanced Spectroscopy, Porquerolles Island, France, 3-5 October 2012.
  8. Gamez, J. Limon-Petersen, J. Michler, Spatial Mapping with Glow Discharge Optical Emission Spectrometry, FACSS Great Scientific Exchange Conference, September 30 – October 5, 2012, Kansas City, USA.
  9. Gamez, S. J. Ray, F. J. Andrade, M. R. Webb, G. M. Hieftje, Elemental surface imaging with a pulsed radio-frequency glow discharge, European Winter Conference on Plasma Spectrochemistry, February 18-23, 2007, Taormina, Italy.
  10. Gamez, Fundamental Characterization of Analytical Glow Discharges: Parametric Observations via Laser Scattering Techniques and Computer Modeling, Merck Graduate Student Fellows in Analytical/Physical Chemistry Symposium, July 20, 2004, West Point, PA.
  11. Gamez, A. Bogaerts, F. Andrade, G. M. Hieftje, Fundamental Characterization of a Planar Cathode DC Glow Discharge: Parametric Observations via Laser-Scattering Techniques and Computer Modeling, Winter Conference on Plasma Spectrochemistry, January 5-10, 2004, Fort Lauderdale, FL.
  12. Gamez, M. Huang, S. A. Lehn, F. Andrade, G. M. Hieftje, Fundamental Studies of an Analytical Glow Discharge via Laser Scattering Techniques, Colloquium Spectroscopicum Internationale XXXIII, September 7-12, 2003, Granada, Spain.
  13. Gamez, S. A. Lehn, M. Huang, G. M. Hieftje, Effect of an MS Sampling Interface on the Fundamental Parameters and Analyte Number Densities in the ICP as a Function of Sampling Depth. Winter Conference on Plasma Spectrochemistry, January 6-12, 2002, Scottsdale, AZ.
  14. Gamez, D. Frey, J. Michler, Glow Discharge Optical Emission Spectroscopy Elemental Mapping with Push Broom Hyperspectral Imaging System, Zaragoza, European Winter Conference on Plasma Spectrochemistry, January 30 – February 4, 2011, Zaragoza, Spain.
  15. Gamez, S. J. Ray, F. Andrade, M. R. Webb, G. M. Hieftje, Atomic emission imaging of proteins on electrophoresis blotting membranes via radio frequency glow discharge, Colloquium Spectroscopicum Internationale XXXIV, September 3-9, 2005, Antwerp, Belgium.
  16. Gamez, G. M. Hieftje, Laser-Scattering Plasma Diagnostics for the Time and Spatially Resolved Characterization of a ms-Pulsed Glow Discharge, Winter conference on Plasma Spectrochemistry, January 30-Febuary 3, 2005, Budapest, Hungary.
  17. Gamez, S. A. Lehn, M. Huang, G. M. Hieftje, Effect of Applied Radiofrequency Power on the Fundamental Properties of an ICP Fitted with a Mass-Spectrometric Sampling Interface. 28th Conference of the Federation of Analytical Chemistry & Spectroscopy Societies, October 7-12, 2001, Detroit, MI.
  18. Gamez, G., Dokken, K., Herrera, I., Tiemann, K.J., and Gardea-Torresdey, J.L. Biosorption and Bioreduction of Au(III) Ions by Alfalfa Biomass: Characterization Through Spectroscopic Techniques. Joint 55th Southwest/15th Rocky Mountain Regional Meeting of the American Chemical Society. October 21-23, 1999, El Paso, TX.
  19. Gamez, G., Dokken, K., Tiemann, K.J., Yacamán, M.J., Gardea-Torresdey, J.L., Renner, M.W. (1999). Spectroscopic Studies of Gold(III) Binding to Alfalfa Biomass. 1999 Conference on Hazardous Waste Research: Gateways to Environmental Solutions. May 24-27, St. Louis, MS.
  20. Gamez, K.J. Tiemann, K. Dokken, J.L. Gardea-Torresdey. Bioreduction and Binding of Au(III) by Medicago sativa (Alfalfa). WERC-WRHSR 1999 Joint Conference on the Environment. Albuquerque, NM.
  21. Tiemann, K.J., Gardea-Torresdey, J.L., Gamez, G., Rodriguez, O. and Sias, S. Determination of Metal Binding Ligands in Alfalfa Biomass for a Potential Phyto-filter. 11th Annual University of Texas at El Paso, Department of Geological Sciences Student Colloquium, April 18-19, 1998, El Paso, TX. 1st place environmental presentation