Selected Publications University of Idaho Mustapha, A. M.; Pasilis, S. P.* Improved Ionization of Organophosphorus Pesticides through Metal Complex Formation. Rapid Commun. Mass Spectrom. 2013. Submitted. Mustapha, A. M.; Pasilis, S. P.* Probing Uranyl(VI) Speciation in the Presence of Amidoxime Ligands Using Electrospray Ionization Mass Spectrometry. Rapid Commun. Mass Spectrom. 2013, 27, 2135-2142. Stark, T. D.*; Matsumoto, T.; Lösch, S.; Boakye, P. A.; Balemba, O. B.; Pasilis, S. P.; Hofman, T. Isolation and structure elucidation of highly antioxidative 3,8’’-linked biflavanones and flavanon-C-glycosides from Garcinia buchananii bark. J. Agric. Food Chem. 2012, 60, 2053-2062. Boakye, P. A.; Stenkamp-Strahm, C.; Bhattarai, Y; Heckman, M. D.; Brierley, S. M.; Pasilis, S. P.; Balemba, O. B.* 5-HT3 and 5-HT4 Receptors Contribute to the Anti-motility Effects of Garcinia buchananii Bark Extract in the Guinea Pig Distal Colon. Neurogastroenterol. Motil. 2012, 24, e27-e40. Boakye, P. A.; Brierly, S. M.; Pasilis, S. P.; Balemba, O. B.* Garcinia buchananii bark extract is an effective anti-diarrheal remedy for lactose-induced diarrhea. J. Ethnopharmacology. 2012, 142, 539-547. Pasilis, S. P.*; Blumenfeld, A. Effect of Nitrate, Perchlorate, and Water on Uranyl(VI) Speciation in a Room Temperature Ionic Liquid: A Spectroscopic Investigation. Inorg. Chem. 2011, 50, 8302-8307. Pasilis, S. P.* Desorption Electrospray Ionization Mass Spectrometry. Encyclopedia of Analytical Chemistry. Supplementary Volumes S1-S3. John Wiley & Sons, Ltd: Chichester, 2011. pp 1395-1415. Wai, C. M.*; Liao, Y. J.; Liao W. S.; Tian G. X.; Addleman R. S.; Quach, D.; Pasilis, S. P. Uranium Dioxide in Ionic Liquid with a Tri-n-butylphosphate-HNO3 Complex– Dissolution and Coordination Environment. Dalton Trans. 2011, 40, 5039-5045. Quach, D. L.; Wai, C. M.; Pasilis, S. P.* Characterization of Uranyl(VI) Nitrate Complexes in a Room Temperature Ionic Liquid Using Attenuated Total Reflection-Fourier Transform Infrared Spectrometry. Inorg. Chem. 2010, 49, 8568-8572. Pasilis S. P.*; Van Berkel, G. J.* Atmospheric Pressure Surface Sampling/Ionization Techniques for Direct Coupling of Planar Separations with Mass Spectrometry. J. Chromatogr. A  2010, 1217, 3955–3965. Pasilis S. P.; Van Berkel, G. J.* Modern Atmospheric Pressure Surface Sampling/Ionization Techniques in Mass Spectrometry. Encyclopedia of Spectroscopy and Spectrometry (2nd Ed.) 2010, 1544–1555. Oak Ridge National Laboratory and University of Arizona Pasilis, S. P.; Kertesz, V.; Van Berkel, G. J.*; Schulz, M.; Schorcht, S. HPTLC DESI-MS Imaging of Tryptic Protein Digests Separated in Two Dimensions. J. Mass Spectrom. 2008, 43, 1627–1635. Van Berkel, G. J.*; Pasilis, S. P.; Ovchinnikova, O. Established and Emerging Atmospheric Pressure Surface Sampling/Ionization Techniques for Mass Spectrometry.  J. Mass Spectrom. 2008, 43, 1161–1180. Pasilis, S. P.; Kertesz, V.; Van Berkel, G. J.*; Schulz, M.; Schorcht, S. Using HPTLC/DESI-MS for Peptide Identification in 1D Separations of Tryptic Protein Digests. Anal. Bioanal. Chem. 2008, 391, 317–324. Pasilis, S. P.; Kertesz, V.; Van Berkel, G. J.* Unexpected Analyte Oxidation During Desorption Electrospray Ionization Mass Spectrometry. Anal. Chem. 2008, 80, 1208–1214. Pasilis, S. P.; Pemberton, J. E.* ATR-FTIR Investigation of Uranyl(VI) and Citrate Coadsorption to Al2O3. Geochim. Cosmochim. Acta 2008, 72, 277–287. Somogyi, Á.; Pasilis, S. P.; Pemberton, J. E.* Electrospray Ionization of Uranyl-Citrate Complexes: Adduct Formation and Ion-Molecule Reactions in 3D Ion Trap and Ion Cyclotron Resonance Trapping Instruments. Int. J. Mass Spectrom. 2007, 265, 281–294. Laskay, Ü. A.; Collin, O. L.; Hyland, J. J.; Nichol, B.; Jackson, G. P.*; Pasilis, S. P.; Duckworth, D. C. Dynamic Collision-Induced Dissociation (DCID) in a Quadrupole Ion Trap Using a Two-Frequency Excitation Waveform: II. Effects of Frequency Spacing and Scan Rate. J. Am. Soc. Mass Spectrom. 2007, 18, 2017–2025. Pasilis, S. P.; Kertesz, V; Van Berkel, G. J.* Surface Scanning Analysis of Planar Arrays of Analytes with Desorption Electrospray Ionization-Mass Spectrometry. Anal. Chem. 2007, 79, 5956–5962. Pasilis, S.; Somogyi, Á.; Herrmann, K.; Pemberton, J. E.* Ions Generated from Uranyl Nitrate Solutions by Electrospray Ionization (ESI) and Detected with Fourier Transform Ion-Cyclotron Resonance (FT-ICR) Mass Spectrometry. J. Am. Soc. Mass Spectrom. 2006, 17, 230–240. Pasilis, S. P.; Pemberton, J. E.* Speciation and Coordination Chemistry of Uranyl(VI)-Citrate Complexes in Aqueous Solution. Inorg. Chem. 2003, 42, 6793–6800. * corresponding author