Donald N Campbell

Title: The Innovative Contributions of Donald N. Campbell

Introduction

Donald N. Campbell is a notable inventor based in Timonium, MD (US), recognized for his significant contributions to the field of ion mobility spectrometry. With a total of 12 patents to his name, Campbell has made strides in developing technologies that enhance the detection and analysis of various compounds.

Latest Patents

Among his latest patents, Campbell has developed a method for selective ionization of gas constituents using electrolytic reactions. This invention describes an ion mobility spectrometer, ionization detector, and mass spectrometer that features a reaction region and a sample introduction area for gas, liquid, or solid samples. The use of an alkali salt electrolyte heated to a predetermined temperature allows for a chemical reaction that produces product ions, providing a non-radioactive ionization source for a broad class of compounds. Another significant patent is the all-ceramic ion mobility spectrometer cell, which simplifies the exchange of ionization sources and improves the assembly and sealing of the spectrometer cell.

Career Highlights

Throughout his career, Campbell has worked with prominent companies such as Allied Corporation and Environmental Technologies Group, Inc. His work has significantly impacted the field of analytical chemistry and detection technologies.

Collaborations

Some of Campbell's notable coworkers include Glenn E. Spangler and Robert C. Davis, Jr. Their collaborative efforts have contributed to advancements in ion mobility spectrometry.

Conclusion

Donald N. Campbell's innovative work in ion mobility spectrometry and his numerous patents highlight his importance in the field of analytical technologies. His contributions continue to influence the development of non-radioactive ionization methods and improve detection capabilities.