Ed Sheehan

Title: Ed Sheehan: Innovator in Mass Spectrometry

Introduction

Ed Sheehan is a notable inventor based in Pittsburgh, PA, who has made significant contributions to the field of mass spectrometry. His innovative work focuses on atmospheric pressure ion sources, which play a crucial role in enhancing the capabilities of mass spectrometers.

Latest Patents

Sheehan holds a patent for an "Atmospheric pressure ion source for mass spectrometry." This invention features a multiple function atmospheric pressure ion source that is interfaced with a mass spectrometer. It comprises multiple liquid inlet probes designed so that the sprays from two or more probes intersect in a mixing region. The gas phase sample ions or neutral species generated in the spray of one probe can react with reagent gas ions produced from other probes through various ionization methods, including Electrospray, photoionization, corona discharge, and glow discharge ionization. The invention allows for optimal selection of reagent ions to facilitate processes such as Atmospheric Pressure Chemical Ionization and charge reduction of multiply charged sample ions.

Career Highlights

Throughout his career, Ed Sheehan has worked with prominent companies, including PerkinElmer Health Sciences, Inc. and Chem-Space Associates, Inc. His experience in these organizations has contributed to his expertise in the field of mass spectrometry and ionization techniques.

Collaborations

Some of his notable coworkers include Craig M. Whitehouse and Thomas P. White. Their collaboration has likely fostered advancements in the technologies related to mass spectrometry.

Conclusion

Ed Sheehan's contributions to the field of mass spectrometry through his innovative patent demonstrate his commitment to advancing scientific research and technology. His work continues to influence the development of more efficient and effective mass spectrometry techniques.