roger k. gilpin, ph.d - publications
Selected Publications
Gilpin, R. K., Ehtesham, S. E. and Gregory, R. B.: "Liquid Chromatographic Studies of the Effect of Temperature on the Chiral Recognition of Tryptophan by Silica-Immobilized Bovine Albumin," Anal. Chem., 63, 2825 (1991).
Gilpin, R. K., Gao, H. and Jaroniec, M.: "Liquid Chromatographic Studies of Silica-Immobilized Bovine Serum Albumin Under Normal-Phase Conditions: Separations of Phenolic Solutes Using Ternary Mixtures of Hydrogen Chloride-Diethyl Ether-Hexane as Eluents," J. Liq. Chromatogr., 15, 2503 (1992).
Gregory, R. B., Gangoda, M. E., Gilpin, R. K. and Su, W.: "The Influence of Hydration on the Conformation of Lysozyme Studied by Solid-State 13C-NMR Spectroscopy," Biopolymers, 33, 513 (1993).
Gregory, R. B., Gangoda, M. E., Gilpin, R. K. and Su, W.: "The Influence of Hydration on the Conformation of Bovine Serum Albumin Studied by Solid-State 13C-NMR Spectroscopy," Biopolymers, 33, 1871 (1993).
Su, W., Gregory, R. B. and Gilpin, R. K.: "Liquid Chromatographic Studies of Silica Immobilized HEW Lysozyme," J. Chromatogr. Sci., 31, 295 (1993).
Gilpin, R. K., Ehtesham, S. B., Gilpin, C. S. and Liao, S. T.: "Liquid Chromatographic Studies of Memory Effects of Silica Immobilized Bovine Serum Albumin: I. Influence of Methanol on Solute Retention," J. Liquid Chromatogr.& Related Techniques, 19, 3023 (1996).
Paleudis, L. and Gilpin, R. K.: "Wide-Line NMR Studies of the Influence of Solvent Polarity on the Conformation and Dynamics of Silica-Immobilized Alkylamine and Alkylamide Ligands," Langmuir, 15, 6901 (1999).
Gilpin, R. K. and Gilpin, C. S.: "Pharmaceuticals (I) Neutral & Acid Drugs: Liquid Chromatography," in Encyclopedia of Separation Science, Academic Press, Nov. 2000, 3738.
Gilpin, R. K. and Dudones, L. P.: "Eluent Additives and the Optimization of High-Performance Liquid Chromatography Procedures," in Encyclopedia of Analytical Chemistry: Applications Instrumentation and Applications, Wiley, Dec. 2000, 7143.
Tao, W. and Gilpin, R. K.: "Liquid Chromatographic Studies of the Effect of Phosphate on the Binding Properties of Silica-Immobilized Bovine Serum Albumin," J. Chromatogr.Sci., 39, 205 (2001).
Gilpin, R.K.: “Influence of Exclusion Effects on the Void Volume in HPLC, LC Problem Solving and Troubleshooting,” J. Chromatogr. Sci., 41: 570 (2003).
Gilpin, R.K. and Pachla, L. A.: "Pharmaceuticals and Related Drugs," Anal. Chem., 75, 2907, (2003) (Invited).
Gilpin, R. K.: “Electrospray Ionization: Formation of Adduct Ions, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 42, 112 (2004).
Gilpin, R. K.: “Effect of Different Binary Eluents on Operating Pressure, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 43, 53 (2005).
Gilpin, R. K. and Zhou, W.: “Infrared Studies of the Thermal Conversion of Mefenamic Acid Between Polymorphic States,” Vibrational Spectroscopy, 37, 53 (2005).
Gilpin, R. K.: “Influence of Eluent Conditions on Fluorimetric Detection,” LC Problem Solving and Troubleshooting," J. Chromatogr. Sci. 43,163 (2005).
Gilpin, R. K.: “Separation of Conformational Isomers, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 43, 330 (2005).
Gilpin, R. K. and Zhou, W.: “Infrared Studies of the Polymorphic States of the Fenamates,” J. Pharmaceutical and Biomedical Anal., 37, 509 (2005).
Gilpin, R. K. and Pachla, L. A.: "Pharmaceuticals and Related Drugs," Anal. Chem., 77, 3755 (2005) (Invited).
Gilpin, R. K.: “Poly(Styrene-Divinylbenzene) Reversed-Phase HPLC Columns, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 43, 442 (2005).
Bose, A. B., Gangoda, M., Jaroniec, M., Gilpin, R. K., and Bose, R. N.: “Two-Dimensional Solid State NMR Characterization of Physisorbed Siloxane Polymer (OV-225) on Silica,” Surface Sci., 600, 143 (2006).
Gilpin,R. K.: “Accessing the Cause of Erratic Column Performance, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 44, 114 (2006).
Gilpin, R. K.: “UV Detector Wavelength Calibration, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 44, 285 (2006).
Gilpin, R. K.: “Understanding Timing Problems for TOF Mass Spectrometers, LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 44, 528 (2006).
Gilpin, R. K.: “Influence of Water Contamination on Gradient Elution Chromatograms,” LC Problem Solving and Troubleshooting,” J. Chromatogr. Sci., 45, (2007).
Gilpin, R. K. and Gilpin, C. S.: "Pharmaceuticals and Related Drugs," Anal. Chem.,79, 4275 (2007) (Invited).
Gilpin, R. K. and Gilpin, C. S.: “Establishing the Foundations for Analytical Chemistry Using a Web-Based Format,” in Active Learning: Models for the Analytical Sciences,” ACS Symposium Series 970, Chapter 15, P. A. Mabouk ed., American Chemical Society Publications, Washington, DC (2007).
Gilpin, R. K.: “Important Consideration in Ultrahigh Performance Liquid Chromatography,” LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 45, 553 (2007).
Gilpin, R. K.:“Understanding Operational Differences Between APCI and ESI,” LC Problem Solving and Troubleshooting," J. Chromatogr. Sci., 46, 88 (2008).
Gilpin, R. K. and Zhou, W.: “Ultrahigh-Pressure Liquid Chromatography: Fundamental Aspects of Compression and Decompression Heating," J. Chromatogr. Sci.,46, 248 (2008).
Gilpin, R. K. and Zhou, W.: “High-Throughput Analyses in the Pharmaceutical Industry,” in Critical Reviews in Combinatorial Chemistry, ed. P. G. Wang, CRC Press, Taylor & Francis Books, p339 (2008).
Gilpin, R. K. and Gilpin, C. S.: "Pharmaceuticals and Related Drugs," Anal. Chem., 81, Inpress (2009) (Invited).
Books
Gilpin, R.K., vol. ed.,"Pharmaceuticals and Drugs, Volume 8," Encyclopedia of Analytical Chemistry: Applications Instrumentation and Applications, Wiley, Chichester, UK, Dec. 2000.

