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Updated: Aug 14, 2026

Applying Microfluidics to Electrophysiology
Published on: October 1, 2007
David B. Pall, PhD (1914-2004)
Jeffrey S Dlott1, Dan A Waxman
1Indiana Blood Center, Indianapolis, 46208, USA.
Insights
David B. Pall pioneered filtration technology, most notably inventing the first leukoreduction filter for transfusion medicine. His innovations also impacted aerospace, microelectronics, and contamination control, with his legacy continuing through Pall Corporation.
Area of Science:
- Biomedical Engineering
- Materials Science
- Medical Technology
Background:
- This article highlights the significant contributions of David B. Pall, PhD, to transfusion medicine and broader industrial filtration.
- The information is derived from Dr. Pall's personal history, family accounts, and the company he founded, Pall Corporation.
Discussion:
- Dr. Pall's most recognized invention in transfusion medicine is the world's first leukoreduction filter.
- Beyond medicine, his pioneering work in filtration found critical applications in aerospace, microelectronics, and general industry.
- His innovations also extended to advanced contamination control solutions.
Key Insights:
- The development of the first leukoreduction filter revolutionized transfusion safety.
- David B. Pall's filtration expertise demonstrated versatile applicability across diverse high-tech sectors.
- Pall Corporation, founded by Dr. Pall, continues to uphold his legacy of innovation in filtration technology.
Outlook:
- Continued advancements in filtration technology are expected, building on Dr. Pall's foundational work.
- The principles of filtration pioneered by Dr. Pall will likely influence future developments in contamination control and advanced materials.
- The enduring impact of his inventions underscores the importance of interdisciplinary innovation in science and industry.
Abstract:
In this edition of the Pioneers and Pathfinders Series, the contributions of David B. Pall, PhD, to transfusion medicine are discussed. With the aid of Dr Pall's unpublished personal history and assistance from family members and the company he founded, we are able to provide perspective to several remarkable scientific advances. For those of us in transfusion medicine, the discovery of the world's first leukoreduction filter prevails as his most significant invention. However, to the rest of the world, Dr Pall pioneered filtration with applications in aerospace, microelectronics, general industry, and most recently, contamination control. The almost 60-year-old Pall Corporation continues to preserve his legacy.
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