Publications

  1. Roberts, D. L., N. Maidment, M. A. Copley, “Improved Protocol for Relating Impactor Stage Pressure Drop to the Suitability for Routine Use,” Drug Delivery to the Lung 2017, Edinburgh, UK, The Aerosol Society, December 6 to 8, 2017, pg. 94-7.
  2. Roberts, D. L., J. P. Mitchell, “Suitability of Used Impactors – Why the ‘Effective Diameter’ Criterion Needs the ‘Jet-to-Plate’ Criterion to Assure Measurement Capability in a Good Cascade Impactor Practice (CGIP) Environment,” Drug Delivery to the Lung 2017, Edinburgh, UK, The Aerosol Society, December 6 to 8, 2017, pg. 306-10
  3. Roberts, D. L., J. P. Mitchell, “Spatial Aerosol Flow Maldistribution: A Design Flaw Confounding the Proper Calibration and Data Interpretation of Stages ‘0’ and ‘1’ of the Andersen Eight-Stage Nonviable Cascade Impactor,” Aerosol Sci. Tech., 50, 1-12 (2016).
  4. Roberts, D. L., J. P. Mitchell, ““The Next Generation Impactor (NGI™) – Manufacturing Control: Part II.  Collection Cups and the Critical Jet-to-Plate Distance,” Inhalation, August 2016, pages 9-15.
  5. Roberts, D. L., J. P. Mitchell, “The Next Generation Impactor (NGI™) – Manufacturing Control: Part I. Nozzles,” Inhalation, April 2016, pages 12-19.
  6. Nichols, S. C., J. P. Mitchell, C. M. Shelton, D. L. Roberts, “Good Cascade Impactor Practice (GCIP) and Considerations for ‘In-Use’ Specifications,” AAPS Pharm. Sci. Tech., 14(1), 375-90 (March 2013).
  7. Roberts, D. L., J. P. Mitchell, “Influence of Stage Efficiency Curves on Full-Resolution Impactor Data Interpretation,” Drug Delivery to the Lung, The Aerosol Society, Edinburgh, Scotland, December 7-9, 2011, pp. 181-4.
  8. Roberts, D. L., J. P. Mitchell, “The Effect of Nonideal Cascade Impactor Stage Collection Efficiency Curves on the Interpretation of the Size of Inhaler-Generated Aerosols,” AAPS Pharm. Sci. Tech., 14 (2), 497-510 (June 2013).
  9. Roberts, D. L., “Theory of Multi-Nozzle Impactor Stages and the Interpretation of Stage Mensuration Data,” Aerosol Sci. Tech., 43, 1119-29 (2009).
  10. Marple, V. A., B. A. Olson, K. Santhanakrishnan, D. L. Roberts, J. P. Mitchell, B. L. Hudson-Curtis, “Next Generation Pharmaceutical Impactor: A New Impactor for Pharmaceutical Inhaler Testing.  Part III.  Extension of Archival Calibration to 15 L/min,” J. Aerosol Med., 17, 335-43 (2004).
  11. Marple, V. A., D. L. Roberts, F. J. Romay, N. C. Miller, K. G. Truman, M. Van Oort, B. Olsson, M. J. Holroyd, J. P. Mitchell, D. Hochrainer, “Next Generation Pharmaceutical Impactor -- Part I: Design,” J. Aerosol Med., 16, 283-99 (2003).
  12. Marple, V. A., D. L. Roberts, B. Y. H. Liu, “Efficient High-Productivity Cascade Impactors,” US Patent 6,453,758, September 24, 2002.