Articles by Russell E. Madsen Jr. - Pharmaceutical Technology

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Articles by Russell E. Madsen Jr.

Russell E. Madsen Jr.


Russell E. Madsen is the former senior vice-president of science and technology at PDA, and is a current member of Pharmaceutical Technology's editorial advisory board.

Validation by Numbers
May 2, 2010

A book helps statistics novices prepare to comply with the US Food and Drug Administration's draft guidance on process validation.

The Relationship among Pore-Size Ratings, Bubble Points, and Porosity
January 2, 2007

Pore-size ratings are so unrelated to actual dimensions and so subject to anomalous interpretations as to make substantial dependency upon their values an unwise choice. Moreover, the means of measuring them are questionable. The pore-size rating system at best provides a qualitative differentiation.

The Use of Model Organisms in Sterilizing Filtration
May 1, 2006

Model organisms are useful when validating sterile filtration, but successful retention of the model organism does not always guarantee that effluent is sterile. The authors explore the various factors that influence sterile filtration.

Minimizing Risk Through Technology
May 1, 2005

New technologies and improvements to existing ones can reduce contamination risk in aseptic processing.

The Future of Aseptic Processing?An Update
May 1, 2004

In spite of regulatory uncertainties, the industry continues to develop improved aseptic processing technologies.


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