Gieseler H. 2005. PAT in Freeze Drying: Application of a New Mass Flux Monitor Based on Tunable Diode Laser Absorption Spectroscopy (TDLAS). 1st European Congress on Life Science Process Technology, Nuremberg, Germany, October 11–13.

Gieseler H. 2006. PAT in the Laboratory: Case Studies in the Testing of the SMART Freeze-Dryer Technology. CPPR Freeze-Drying of Pharmaceuticals and Biologicals, Garmisch-Partenkirchen, Germany, October 3-6.

Kessler WJ & Gieseler H. 2006. Advances in Laser Doppler Shift Spectroscopy to Determine Real Time In-Process mass Flow Rate. CPPR Freeze-Drying of Pharmaceuticals and Biologicals, Garmisch-Partenkirchen, Germany, October 3-6.

Gieseler H. 2006. Exploring Process Analytical Technology in the Laboratory Involving Testing of SMART Freeze-Dryer Technology. SWE Enterprises Conference, San Diego (CA), USA, December 7-8.

Gieseler H. 2007. Process Analytical Technology in Drying Operations: Applications to Freeze Drying and Beyond. AAPS National Biotechnology Conference, San Diego, June 24-27.

Gieseler H. 2007. The Current State of PAT in Freeze-Drying. Lyophilization of Pharmaceuticals, Informa Life Science Seminar, Dec 3-5.

Gieseler H. 2008. Process analytical technology in freeze drying: the desired state vs. reality. CPPR Freeze-Drying of Pharmaceuticals and Biologicals, Breckenridge (CO), USA, Aug 6-9.

Gieseler H. 2009. PAT & Quality by Design in Freeze Drying: a Quick Review. AAPS National Biotechnology Conference, Seattle (WA), USA, June 21-24.

Gieseler H. 2010. Freeze-Drying of Nanosuspen- sions: From Theory to Practical Formulation and Process Design. CPPR Freeze-Drying of Pharmaceuticals and Biologicals, Garmisch-Partenkirchen, Germany, Sept. 28 – Oct. 1.

Gieseler H. 2011. Process Analytical Technology (PAT) in Freeze-Drying. AAPS National Biotechnology Conference, San Francisco (CA), USA, May 16-19.