23. “Imaging studies of emission and laser scattering from a solution-cathode glow discharge.” Denise E. Moon and Michael R. Webb. J. Anal. At. Spectrom., Advance Article (2020).
Invited article for a themed collection honoring Gary M. Hieftje

22. “Monochromatic spatial imaging of the liquid sampling - atmospheric pressure glow discharge: effects of gas flow on spatial profiles of analyte and background species.” Katja A. Hall, Htoo W. Paing, Michael R. Webb, and R. Kenneth Marcus. Spectrochim. Acta Part B, 154, 33-42, (2019).

21. “Measurement of sample and plasma properties in solution-cathode glow discharge and effects of organic additives on these properties.” Christian G. Decker and Michael R. Webb. J. Anal. At. Spectrom., 31, 311-318, (2016).
Invited article for the journal's 30th anniversary edition

20. “Improvements to a grating-based spectral imaging microscope and its application to reflectance analysis of blue pen inks.” Leilani C. McMillan, Kathleen P. Miller, and Michael R. Webb. Appl. Spectrosc., 69(8), 946-954, (2015).

19. “Signal enhancement in solution-cathode glow discharge – optical emission spectrometry via low molecular weight organic compounds.” Todd A. Doroski and Michael R. Webb. Spectrochim. Acta Part B, 88, 40-45, (2013).

18. “Solution-cathode glow discharge - optical emission spectrometry of a new design and using a compact spectrograph.” Todd A. Doroski, Allison M. King, Michael P. Fritz, and Michael R. Webb. J. Anal. At. Spectrom., 28(7), 1090-1095, (2013).

17. “Toward multiple addressable optical trapping.” Alexei R. Faustov, Michael R. Webb, and David R. Walt. Rev. Sci. Instrum., 81(2), 026109, (2010).

16. “Chromatically resolved optical microscope (CROMoscope) - a grating-based instrument for spectral imaging.” Michael R. Webb, Christopher N. LaFratta, and David R. Walt. Anal. Chem., 81(17), 7309-7313, (2009).
Subject of a research profile

15. “Infochemistry and infofuses for the chemical storage and transmission of coded information.” Samuel W. Thomas III, Ryan C. Chiechi, Christopher N. LaFratta, Michael R. Webb, Andrew Lee, Benjamin J. Wiley, Mitchell R. Zakin, David R. Walt, and George M. Whitesides. Proc. Natl. Acad. Sci. USA, 106(23), 9147-9150, (2009).
Subject of a commentary

14. “Spectrochemical analysis by using discharge devices with solution electrodes.” Michael R. Webb and Gary M. Hieftje. Anal. Chem., 81(3), 862-867, (2009).
Feature article & cover image

13. “Optical fiber microarrays for chemical and biological measurements.” David R. Walt, Christopher N. LaFratta, Michael R. Webb, Zhaohui Li, Hans-Heiner Gorris, and Ryan B. Hayman. Mater. Res. Soc. Symp. Proc., 1133, AA02-01, (2009).

12. “Atmospheric pressure chemical ionization source. 2. Desorption-ionization for the direct analysis of solid compounds.” Francisco J. Andrade, Jacob T. Shelley, William C. Wetzel, Michael R. Webb, Gerardo Gamez, Steven J. Ray, and Gary M. Hieftje. Anal. Chem., 80(8), 2654-2663, (2008).

11. “Atmospheric pressure chemical ionization source. 1. Ionization of compounds in the gas phase.” Francisco J. Andrade, Jacob T. Shelley, William C. Wetzel, Michael R. Webb, Gerardo Gamez, Steven J. Ray, and Gary M. Hieftje. Anal. Chem., 80(8), 2646-2653, (2008).

10. “High-throughput elemental analysis of small aqueous samples by emission spectrometry using a compact, atmospheric-pressure solution-cathode glow discharge.” Michael R. Webb, Francisco J. Andrade, and Gary M. Hieftje. Anal. Chem., 79(19), 7807-7812, (2007).

9. “Compact glow discharge for the elemental analysis of aqueous samples.” Michael R. Webb, Francisco J. Andrade, and Gary M. Hieftje. Anal. Chem., 79(19), 7899-7905, (2007).

8. “The annular glow discharge: a small-scale plasma for solution analysis.” Michael R. Webb, Francisco J. Andrade, and Gary M. Hieftje. J. Anal. At. Spectrom., 22(7), 775-782, (2007).

7. “Use of the electrolyte-cathode glow discharge (ELCAD) for the analysis of complex mixtures.” Michael R. Webb, Francisco J. Andrade, and Gary M. Hieftje. J. Anal. At. Spectrom., 22(7), 766-774, (2007).

6. “Development of a pulsed radio-frequency glow discharge for three-dimensional elemental surface imaging. 1. Application to biopolymer analysis.” Gerardo Gamez, Steven J. Ray, Francisco J. Andrade, Michael R. Webb, and Gary M. Hieftje. Anal. Chem., 79(4), 1317-1326, (2007).

5. “Surface elemental mapping using glow discharge-optical emission spectrometry.” Michael R. Webb, Volker Hoffmann, and Gary M. Hieftje. Spectrochim. Acta Part B, 61(12), 1279-1284, (2006).
Recognized by the journal as one of its most significant articles of 2006

4. “A new, versatile, direct-current helium atmospheric-pressure glow discharge.” Francisco J. Andrade, William C. Wetzel, George C.-Y. Chan, Michael R. Webb, Gerardo Gamez, Steven J. Ray, and Gary M. Hieftje. J. Anal. At. Spectrom., 21(11), 1175-1184, (2006).

3. “Spectroscopic characterization of ion and electron populations in a solution-cathode glow discharge.” Michael R. Webb, George C.-Y. Chan, Francisco J. Andrade, Gerardo Gamez, and Gary M. Hieftje. J. Anal. At. Spectrom., 21(5), 525-530, (2006).

2. “Improved monochromatic imaging spectrometer.” Michael R. Webb and Gary M. Hieftje. Appl. Spectrosc., 60(1), 57-60, (2006).

1. “Spectroscopic and electrical studies of a solution-cathode glow discharge.” Michael R. Webb, Francisco J. Andrade, Gerardo Gamez, Robert I. McCrindle, and Gary M. Hieftje. J. Anal. At. Spectrom., 20(10), 1012-1019, (2005).

3. “Spectroscopic imaging microscopy.” Michael R. Webb, Christopher Lafratta, and David R. Walt. US 8,189,191 B2. Issued 5/29/2012.

2. “Ambient-atmosphere glow discharge for determination of elemental concentrations in liquid solutions in a high-throughput or transient fashion.” Michael R. Webb, Gary M. Hieftje, and Francisco J. Andrade. US 7,929,138 B1. Issued 4/19/2011.

1. “Methods and apparatus for ionization and desorption using a glow discharge.” Gary M. Hieftje, Steven J. Ray, Francisco J. Andrade, Wiliam C. Wetzel, Michael R. Webb, Gerardo Gamez, and Jacob T. Shelley. US 7,893,408 B2. Issued 2/22/2011.

3. “Alternative Atomic Spectroscopy.” Michael R. Webb, The Analytical Scientist, 51, 19-20, (2017).

2. “Survey Says: Name a Role Model.” Michael R. Webb, Science, 321(5889), 639-640, (2008).

1. “New directions and capabilities in analytical spectrometry.” Gary M. Hieftje, Timothy L. Danielson, Adrew M. Leach, Michael R. Webb, William C. Wetzel, Spectroscopy and Spectral Analysis, 23(6), 1237, (2003).