PUBLICATIONS

ResearcherID | OrcID| ScopusAuthorID

Texas Tech University

Shi, S.; Gong, X.; Mu, Y.; Finch, K.; Gamez, G.* Geometric super-resolution on push-broom hyperspectral imaging system for plasma optical emission spectroscopy. J. Anal. Atom. Spectrom., 2018, 33, 1745-1752.

Gamez, G.*; Finch, K. § Recent advances in surface elemental mapping via glow discharge atomic spectrometry. Spectrochim. Acta B, 2018, 148, 129-136. Invited Paper.

Gong, X.; Shi, S.; Gamez, G.* Real-Time Quantitative Analysis of Valproic Acid in Exhaled Breath by Low Temperature Plasma Ionization Mass Spectrometry. J. Am. Soc. Mass Spectrom., 2017, 28, 678-687. Invited Paper to special focus section on Emerging Investigators.

Usala, J.; Maag, A.; Nelis, T.; Gamez, G.* Compressed Sensing Spectral Imaging for Plasma Optical Emission Spectroscopy. J. Anal. Atom. Spectrom., 2016, 31, 2198-2206. Invited Paper to special edition on the International Glow Discharge Spectroscopy Symposium 2016.

Gamez, G.* Compressed Sensing in Spectroscopy for Chemical Analysis. J. Anal. Atom. Spectrom., 2016, 31, 2165-2174. Invited Paper to special edition on the International Glow Discharge Spectroscopy Symposium 2016. Journal Cover.

 

jaas_cover

 

Kroschk, M.; Usala, J.; Addesso, T.; Gamez, G.* Glow Discharge Elemental Mapping with Restrictive Anode Array Masks. J. Anal. Atom. Spectrom., 2016, 31, 163-170. Invited Paper to special 30th anniversary issue and on occasion of the Dr. Gamez winning the JAAS Emerging Investigator Lectureship award. Journal Cover.

jaas-cover-raams jaas-award-talk

 

Gonzalez de Vega, C.; Alberts, D.; Chawla, V.; Mohanty, G.; Utke, I.; Michler, J.; Pereiro, R.; Bordel, N.; Gamez, G.* Use of Radiofrequency Power to Enable Glow Discharge Optical Emission Spectroscopy Ultrafast Elemental Mapping of Combinatorial Libraries with Non-conductive Components: Nitrogen-Based Materials. Anal. Bioanal. Chem., 2014, 406, 7533-7538. Invited Paper to special issue on Emerging Concepts and Strategies in Analytical Glow Discharges. Journal Cover.
abc-front-cover

Gamez, G.*; Mohanty, G.; Michler, J. Image Denoising Techniques Applied to Glow Discharge Optical Emission Spectroscopy Elemental Mapping. J. Anal. Atom. Spectrom., 2014, 29(2), 315-323. Invited Paper to special issue on Young Analytical Scientist.

 

 

Swiss Federal Laboratories for Materials Science and Technology (EMPA)

 

Graça, S.; Trabadelo, V.; Neels, A.; Kübler, J.; LeNader, V.; Gamez, G.; Döbeli, M.; Wasmer, K. Influence of Mosaicity on the Fracture Behavior of Sapphire. Acta Mater., 2014, 67, 67-80.

Schmitt, S.W.; Venzago, C.; Hoffmann, B.; Sivakov, V.; Hofmann, T.; Christiansen, S.H.; Michler, J.; Gamez, G. Glow Discharge Techniques in the Chemical Analysis of Photovoltaic Materials. Prog. Photovoltaics. Res. Appl., 2014, 22, 371-382, DOI: 10.1002/pip.2264.

Gamez, G.; Mohanty, G.; Michler, J. Ultrafast Elemental Mapping of Materials Combinatorial Libraries and High-throughput Screening Samples via Pulsed Glow Discharge Optical Emission Spectroscopy. J. Anal. Atom. Spectrom., 2013, 28 (1016-1023). Invited Paper.

Gamez, G.; Voronov, M.; Ray, S. J.; Hoffmann, V.; Hieftje, G.M.; Michler, J.; Surface Elemental Mapping via Glow Discharge Optical Emission Spectroscopy. Spectrochim. Acta, Part B, 2012, 70 (1-9). DOI: 10.1016/j.sab.2012.04.007. Invited Paper. Top finalist for Paper of the Year Award

Leinenbach, C.; Weyrich, N.; Elsener, H.-R.; Gamez, G.; Soldering of Metallized Al2O3 Using Eutectic Au-Ge Filler Alloy – Influence of Ceramic Thermal Pre-treatment on Joint Properties. Int. J. Appl. Ceram. Tec., 2012, 9 (751-763).

Gamez, G; Frey, D.; Michler, J.; Push-broom hyperspectral imaging for elemental mapping with glow discharge optical emission spectrometry. J. Anal. Atom. Spectrom., 2012, 27 (50-55).

Schmitt, S.W.; Gamez, G.; Sivakov, V.; Christiansen, S.H.; Michler, J. Chemical and Optical Characterisation of Atomic Layer Deposition Aluminium Doped ZnO Films by Glow Discharge Optical Emission Spectrometry. J. Anal. Atom. Spectrom., 2011, 26 (822-827).

Gamez, G., Weaving the Glow Discharge Net, J. Anal. At. Spectrom., 2011, 26 (649-652). Guest Editorial

Guillot, Ph., Venzago, C, Gamez, G., International Glow Discharge Spectroscopy Symposium, Albi, France, August 22-25, 2010. J. Anal. At. Spectrom., 2011, 26 (647-649).

 

Swiss Federal Institute of Technology (ETH Zurich)

 

Gamez, G.; Zhu, L.; Disko, A.; Chen, H.; Azov, V.; Chingin, K.; Krämer, G.; Zenobi, R. Real-time, In Vivo Monitoring and Pharmacokinetics of Valproic Acid via a Novel Biomarker in Exhaled Breath. Chem. Comm., 2011, 47 (4884-4886). Front Cover Paper
chemcommcover-final

Zhu, L.; Hu, Z; Gamez, G.; Law, W.; Chen, H.; Yang, S.; Chingin, K.; Balabin, R.M.; Wang, R.; Zhang, T.; Zenobi, R. Simultaneous Sampling of Volatile and Non-volatile Analytes in Beer for Fast Characterization by Extractive Electrospray Ionization Mass Spectrometry. Anal. Bioanal. Chem., 2010, 398 (405-413).

Zhu, L.*; Gamez, G.*; Schmitz, T. A.; Krumeich, F.; Zenobi, R. Material Ejection and Redeposition Following Atmospheric Pressure Near-Field Laser Ablation on Molecular Solids. Anal. Bioanal. Chem., 2010, 396 (163-172). (*equal contribution)

Law, W.-S.; Chen, H.; Ding, J.; Yang, S.; Zhu, L.; Gamez, G.; Chingin, K.; Ren, Y.; Zenobi, R. Rapid Characterization of Complex Viscous Liquids at the Molecular Level. Angew. Chem. Int. Ed., 2009, 48 (8277-8280).

Chen, H.; Gamez, G.; Zenobi, R. What Can We Learn From Ambient Ionization Techniques? J. Am. Soc. Mass. Spectr., 2009, 20 (1947-1963).

Jecklin, M. C.; Gamez, G.; Zenobi, R. Fast Polymer Fingerprinting Using Flowing Atmospheric Pressure Afterglow Mass Spectrometry. Analyst, 2009, 134 (1629-1636).

Chingin, K.; Chen, H.; Gamez, G.; Zenobi, R. Exploring Fluorescence and Fragmentationof Ions Produced by Electrospray Ionization in Ultra High Vacuum. J. Am. Soc. Mass. Spectr., 2009, 20 (1731-1738).

Zhu, L.; Gamez, G.; Chen, H.; Chingin, K.; Zenobi, R. Rapid Detection of Melamine in Untreated Milk and Wheat Gluten by Ultrasound-assisted Extractive Electrospray Mass Spectrometry (EESI-MS). Chem. Commun., 2009, 5 (559-561).

Chingin, K.; Chen, H.; Gamez, G.; Zhu, L.; Zenobi, R. Detection of Diethyl Phthalate in Perfumes by Extractive Electrospray Mass Spectrometry (EESI-MS). Anal. Chem., 2009, 81 (123-129).

Jecklin, M. C.; Gamez, G.; Touboul, D.; Zenobi, R. Atmospheric Pressure Glow Discharge Desorption Mass Spectrometry for Rapid Screening of Pesticides in Food. Rapid Commun. Mass Sp., 2008, 22 (2791-2798).

Zhu, L.; Gamez, G.; Chen, H.; Zenobi, R. Real-Time, On-line Monitoring of Organic Chemical Reactions Using Extractive Electrospray Ionization Tandem Mass Spectrometry. Rapid Commun. Mass Sp., 2008, 22 (2993-2998).

Chingin, K.; Gamez, G.; Chen, H.; Zhu, L.; Zenobi, R. Rapid Classification of Perfumes by Extractive Electrospray Mass Spectrometry (EESI-MS). Rapid Commun. Mass Sp., 2008, 22 (2009-2014).

Schmitz, T.; Gamez, G.; Setz, P. D.; Zhu, L.; Zenobi, R. Towards Nanoscale Molecular Analysis at Atmospheric Pressure by a Near-Field Laser Ablation Ion Trap/Time-of-Filght Mass Spectrometer. Anal. Chem., 2008, 80 (6537-6544).

Gamez, G.; Zhu, L.; Schmitz, T.; Zenobi, R. Photoelectron Emission as an Alternative Electron Impact Ionization Source for Ion Trap Mass Spectrometry. Anal. Chem., 2008, 80 (6791-6795).

 

Indiana University-Bloomington

 

Andrade, F. J.; Shelley, J.; Wetzel, W. C.; Webb, M. R.; Gamez, G.; Ray, S. J.; Hieftje, G. M. Atmospheric-Pressure Chemical Ionization Source. Part I: Ionization of Compounds in the Gas Phase. Anal. Chem., 2008, 80 (2646-2653).

Andrade, F. J.; Wetzel, W. C.; Webb, M. R.; Gamez, G.; Ray, S. J.; Hieftje, G. M. Atmospheric-Pressure Chemical Ionization Source. Part II: Desorption-Ionization for the Direct Analysis of Solid compounds. Anal. Chem., 2008, 80 (2654-2663).

Engelhard, C.; Chan, G. C.-Y.; Gamez, G.; Hieftje, G. M.; Buscher, W. Plasma Diagnostics on a Low-Flow Plasma for Inductively Coupled Plasma Optical Emission Spectrometry. Spectrochim. Acta, Part B., 2008, 63 (619-629).

Gamez, G.; Lehn, S. A.; Huang, M.; Hieftje, G. M. Effect of Mass Spectrometric Sampling Interface on the Fundamental Parameters of an Inductively Coupled Plasma as a Function of its Operating Conditions. Part I. Applied RF Power and Vacuum. Spectrochim. Acta, Part B., 2007, 62 (357-369). Runner-up for Paper of the Year Award

Gamez, G.; Lehn, S. A.; Huang, M.; Hieftje, G. M. Effect of Mass Spectrometric Sampling Interface on the Fundamental Parameters of an Inductively Coupled Plasma as a Function of its Operating Conditions. Part II. Central-Gas Flow Rate and Sampling Depth. Spectrochim. Acta, Part B., 2007, 62 (370-377). Runner-up for Paper of the Year Award

Andrade, F. J.; Wetzel, W. C.; Chan, G. C.-Y.; Webb, M. R.; Gamez, G.; Ray, S. J.; Hieftje, G. M. A New, Versatile Direct-Current helium Atmospheric-Pressure glow Discharge. J. Anal. At. Spec., 2006, 21 (1175-1184).

Gamez, G.; Ray, S. J.; Andrade, F.; Webb, M. R.; Hieftje, G. M. Development of Radio Frequency Glow Discharge Three Dimensional Elemental Surface Imaging. I. Application to Biopolymer Analysis. Anal. Chem., 2006, 79 (1317-1326).

Webb, M. R.; Chan, G. C.-Y.; Gamez, G.; Andrade, F.; Hieftje, G. M. Spectroscopic characterization of ion an electron populations in a solution-cathode glow discharge. J. Anal. Atom. Spectrom., 2006, 21 (525-530).

Gamez, G.; Bogaerts, A.; Hieftje, G. M. Temporal and spatially resolved laser-scattering plasma diagnostics for the characterization of a ms-pulsed glow discharge. J. Anal. Atom. Spectrom., 2006, 21 (350-359).

Webb, M. R.; Andrade, F.; Gamez, G.; McCrindle, R.; Hieftje, G. M. Spectroscopic and electrical characteristics of a solution-cathode glow discharge. J. Anal. Atom. Spectrom., 2005, 20 (1012-1019).

Gamez, G., Symposium Report:Colloquium Spectroscopicum Internationale XXXIII, Granada, Spain, September 7-12, 2003. Appl. Spectrosc., 2004, 58 (25A-28A).

Ray, S. J.; Andrade, F.; Gamez, G.; McClenathan, D.; Rogers, D.; Schilling, G.; Wetzel, W.; Hieftje, G. M. Plasma-source mass spectrometry for speciation analysis: state-of-the-art. J. of Chromatogr. A, 2004, 1050 (3-34).

Gamez, G.; Bogaerts, A.; Andrade, F.; Hieftje, G. M. Fundamental Studies on a Planar-Cathode Direct Current Glow Discharge Part I: Characterization via Laser Scattering Techniques. Spectrochim. Acta, Part B., 2004, 59 (435-447). Top finalist for Paper of the Year Award

Bogaerts, A.; Gijbels, R.; Gamez, G.; Hieftje, G. M. Fundamental Studies on a Planar-Cathode Direct Current Glow Discharge Part II: Numerical Modeling and Comparison with Laser Scattering Experiments. Spectrochim. Acta, Part B., 2004, 59 (449-460). Top finalist for Paper of the Year Award

Gamez, G.; Huang, M.; Lehn, S. A.; Hieftje, G. M. Laser-Scattering Instrument for Fundamental Studies on a Glow Discharge. J. Anal. Atom. Spectrom., 2003, 18 (680-684).

Lehn, S. A.; Huang, M.; Warner, K. A.; Gamez, G.; Hieftje, G. M. Spatially resolved Ground-State Number Densities of Calcium and Strontium Ion in an ICP in Contact with an ICP-MS Sampling Interface. Spectrochim. Acta, Part B., 2003, 58 (1647-1662). Top finalist for Paper of the Year Award

Hieftje, G. M.; Huang, M.; Lehn, S. A.; Warner, K.; Gamez, G.; Ray, S. J.; Leach, A. Toward a Fuller Understanding of Analytical Atomic Spectrometry. Anal. Sci., 2002, 18 (1185-1189).

 

University of Texas at El Paso

 

Parsons, J. G.; Gardea-Torresdey, J. L.; Tiemann, K. J., Gamez, G. Investigation of Trace Level Binding of PtCl6 and PtCl4 to alfalfa Biomass (Medicago sativa) Using Zeeman Graphite Furnace Atomic Absorption Spectroscopy. Anal. Chim. Acta, 2003, 478 (139-145).

Gamez, G.; Gardea-Torresdey, J. L.; Tiemann, K. J.; Parsons, J. G.; Dokken, K.; Jose-Yacaman, M. Recovery of Gold(III) from Multi-Elemental Solutions by Alfalfa Biomass. Adv. Environ. Res., 2003, 7 (563-571).

Gardea-Torresdey, J. L.; Tiemann, K. J.; Parsons, J. G.; Gamez, G.; Jose-Yacaman, M. Characterization of Trace Level Au(III) Binding to Alfalfa Biomass (Medicago Sativa) by GFAA. Adv. Environ. Res., 2002, 6 (313-323).

Tiemann, K. J.; Gamez, G.; Dokken, K.; Parsons, J. G.; Gardea-Torresdey, J. L. Chemical Modification and X-Ray Absorption Studies for Lead(II) Binding by Medicago sativa (Alfalfa) Biomass. Microchem. J., 2002, 71(287-293).

Gardea-Torresdey, J. L.; Tiemann, K. J.; Parsons, J. G.; Gamez, G.; Herrera, I.; Jose-Yacaman, M. XAS Investigation into the Mechanism(s) of Au(III) Binding and Reduction by Alfalfa Biomass. Microchem. J., 2002, 71(193-204).

Gardea-Torresdey, J. L.; Dokken, K.; Tiemann, K. J.; Parsons, J. G.; Ramos, J.; Pingitore, N. E.; Gamez, G. Infrared and X-Ray Absorption Spectroscopic Studies on the Mechanism of Chromium(III) Binding to Alfalfa Malone Biomass. Microchem. J., 2002, 71(157-166).

Tiemann, K. J.; Rascon, A. E.; Gamez, G.; Parsons, J. G.; Baig, T.; Cano-Agulera, I.; Gardea-Torresdey, J. L. Heavy Metal Binding by Inactivated Tissues of Solanum Elaeagnifolium: Chemical and Subsequent XAS Studies. Microchem. J., 2002, 71 (133-141).

Gardea-Torresdey, J. L.; Tiemann, K. J.; Gamez, G.; Dokken, K.; Cano-Aguilera, I.; Renner, M. W.; Furenlid, L. R. Reduction and Accumulation of Gold(III) by Medicago sativa Alfalfa biomass: X-ray Absorption Spectroscopy, pH, and Temperature Dependence. Environ. Sci. Technol., 2000, 34(4392-4396).

Gardea-Torresdey, J. L.; Tiemann, K.J.; Armendariz, V.; Bess-Oberto, L.; Chianelli, R. R.; Rios, J.; Parsons, J. G.; Gamez, G. Characterization of Cr(VI) binding and reduction to Cr(III) by the agricultural byproducts of Avena monida (Oat) biomass, Journal of Hazardous Materials, 2000, 80(175-188).

Tiemann, K. J.; Gardea-Torresdey, J. L.; Gamez, G.; Dokken, K.; Cano-Aguilera, I.; Renner, M. W.; Furenlid, L. R. Effects of Oxidation State on Metal Ion Binding by Medicago sativa (Alfalfa): Atomic and X-ray Absorption Spectroscopic Studies with Fe(II) and Fe(III). Environ. Sci. Technol., 2000, 34 (693-698).

Rascon, A.E.; Tiemann, K.J.; Dokken, K.; Gamez, G.; Parson, J.G.; Chianelli, R.; Gardea-Torresdey, J.L. Study of the binding mechanism of heavy metals by inactivated tissues of Solanum elaeagnifolium. Proc. Conf. Hazardous Waste Research, Denver, USA, May 23-25, 2000, 361-369.

Gamez, G.; Dokken, K.; Herrera, I.; Parson, J.G.; Tiemann, K.J.; Gardea-Torresdey, J.L. Chemical processes involved in Au(III) binding and bioreduction by alfalfa biomass. Proc. Conf. Hazardous Waste Research, Denver, USA, May 23-25, 2000, 46-53.

Tiemann, K.J.; Gamez, G.; Parson, J.G.; Dokken, K.; Herrera, I.; Bess-Oberto, L.; Armendariz, V.; Mahmoud, J.; Gardea Torresdey, J.L. Electrochemical studies of Cu(II) binding to alfalfa biomass. Proc. Conf. Hazardous Waste Research, Denver, USA, May 23-25, 2000, 13-21.

Parsons, J.G.; Gamez, G.; Tiemann, K.J.; Gardea-Torresdey, J.L. Determination of trace-level gold(III) binding to alfalfa biomass using GFAAS with Zeeman background correction. Proc. Conf. Hazardous Waste Research, Denver, USA, May 23-25, 2000, 2-12.

Gardea-Torresdey, J. L.; Tiemann, K. J.; Gamez G.; Dokken, K. Effects of Chemical Competition for Multi-metal Binding by Medicago sativa (alfalfa). J. Hazard. Mater., 1999, 69 (41-51).

Gardea-Torresdey, J. L.; Tiemann, K. J.; Gamez G.; Dokken, K.; Tehuacanero, S.; Jose-Yacaman, M. Gold Nanoparticles Obtained by Bio-precipitation from Gold(III) Solutions. J. Nanopart. Res., 1999, 3 (397-404).

Gardea-Torresdey, J. L.; Tiemann, K. J.; Gamez G.; Dokken, K.; Pingitore, N.E. Recovery of Gold(III) by Alfalfa Biomass and Binding Characterization using X-ray Microfluorescence. Adv. Environ. Res., 1999, 3 (83-93).

Tiemann, K. J.; Gardea-Torresdey, J. L.; Gamez, G.; Kenneth, D.; Renner, M. W.; Furenlid, L. R. Use of X-ray Absorption Spectroscopy and Esterification to Investigate the Nickel(II) and Chromium(III) Ligands in Alfalfa Biomass. Environ. Sci. Technol., 1999, 33(150-154).

Dokken, K.; Gamez, G.; Herrera, I.; Tiemann, K.J.; Pingitore, N.E.; Chianelli, R.R.; Gardea-Torresdey, J.L. Characterization of chromium(VI) bioreduction and chromium(III) binding to alfalfa biomass. Proc. Conf. Hazardous Waste Research, St. Louis, USA, May 24-27, 1999, 101-113.

Tiemann, K.J.; Gamez, G.; Dokken, K.; Parsons, J.G.; Renner, M.W.; Furenlid, L.R.; Gardea-Torresdey, J.L. Copper(II) and lead(II) binding by alfalfa biomass: Use of chemical modification and x-ray absorption spectroscopy to determine the metal binding mechanism. Proc. Conf. Hazardous Waste Research, St. Louis, USA, May 24-27, 1999, 91-100.

Gamez, G.; Dokken, K.; Tiemann, K.J.; Herrera, I.; Yacaman, M.J.; Renner, M.W.; Furenlid, L.R.; Gardea-Torresdey, J.L. Spectroscopic studies of gold(III) binding to alfalfa biomass. Proc. Conf. Hazardous Waste Research, St. Louis, USA, May 24-27, 1999, 78-90.

Gardea-Torresdey, J. L.; Tiemann, K. J.; Gonzalez, H. J.; Rodriguez, O.; Gamez, G. Phytofiltration of Hazardous Cadmium, Chromium, Lead, and Zinc Ions by Biomass of Medicago sativa (Alfalfa). J. Hazard. Mater., 1998, 57(29-39).

Gardea-Torresdey, J.L.; Tiemann, K.J.; Gamez, G.; Dokken, K.; Yacaman, M.J. Innovative technology to recover Gold(III) from aqueous solutions by using Medicago sativa(alfalfa). Proc. Conf. Hazardous Waste Research, Snowbird, USA, May 18-21, 1998, 122-133.

Gardea-Torresdey, J.L.; Tiemann, K.J.; Dokken, K.; Gamez, G.. Investigation of metal binding in alfalfa biomass through chemical modification of amino and sulfhydryl ligands. Proc. Conf. Hazardous Waste Research, Snowbird, USA, May 18-21, 1998, 111-121.

Tiemann, K.J.; Gardea-Torresdey, J.L.; Gamez, G.; Dokken, K. Interference studies for multi-metal binding by Medicago sativa (alfalfa). Proc. Conf. Hazardous Waste Research, Snowbird, USA, May 18-21, 1998, 63-75.