David J Ledden

Title: David J Ledden: Innovator in Analytical Test Elements

Introduction

David J Ledden is a notable inventor based in Indianapolis, IN (US). He has made significant contributions to the field of analytical testing through his innovative patents. With a total of 4 patents, Ledden's work focuses on enhancing the efficiency and effectiveness of test elements.

Latest Patents

One of Ledden's latest patents is a process for preparing test elements. This invention relates to a method for creating analytical test elements by treating compositions of matter, such as analyte-specific receptors, to carry a charge. These treated compositions are then applied to test carriers that carry an opposite charge, allowing for the interaction of charges to fix the composition of matter to the test element. Another significant patent involves muteins of beta-galactosidase fragments that exhibit increased activity. These muteins show substantially enhanced kinetic complementation activity without significant loss in stability. The preferred enzyme acceptor fragment has specific amino acid substitutions that optimize its performance.

Career Highlights

Throughout his career, David J Ledden has worked with prominent companies in the diagnostics field, including Boehringer Mannheim GmbH and Roche Diagnostics GmbH. His experience in these organizations has contributed to his expertise in developing innovative solutions for analytical testing.

Collaborations

Ledden has collaborated with notable colleagues, including Mark Krevolin and David R Moorman. These partnerships have likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

David J Ledden's contributions to the field of analytical testing through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, paving the way for advancements in testing methodologies.