Inhaled Product Characterization - Pharmaceutical Technology

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Inhaled Product Characterization
The authors discuss the analysis of the resulting data, focusing on methods for the calculation of mass median ærodynamic diameter, one of the metrics routinely used for comparative testing.

Pharmaceutical Technology
pp. s33-s37


1. Stimuli to the Revision Process, "Generalized Simplified Approaches for Mass Median Aerodynamic Determination," Pharmacopeial Forum 36 (3) (2010).

2. M. Copley and J. McDonald, Inhalation 3 (11), 14–17 (2009)

3. W.C. Hinds, Aerosol Technology, Properties, Behavior, and Measurement of Airborne Particles (John Wiley & Sons, 2nd ed., 1999).

4. T.K. Church et al., Proc. Respiratory Drug Deliv. XII, 2, 509–509–512 (2010).

5. D.J. Finney, Probit Analysis (Cambridge University Press, Cambridge, 1971).

6. USP 34–NF 29, Physical Tests and Determinations <601> "Aerosols, Nasal Sprays, Metered-dose Inhalers, and Dry Powder Inhalers," pp. 237–239.

7. D. Lewis, Inhalation (August 2008).

8. Inhalation Report, "How do you calculate MMAD," (2010),, accessed 10 Oct. 2011.

9. Tougas et al., AAPS Pharm. Sci. Technol., 10 (4) 1276–1285 (2009)

10. Proceedings of EPAG AIM Workshop at DDL 21 (Edinburgh International Conference Center, Dec. 8–10, 2010).

11. P.N. Pantelides et al., proceedings of RDD Europe (Berlin, 2011), pp. 391–395.


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