Category Archives: Research Areas

United States patent 11,371,913 Methods And Devices for Sample Capture Using Gas-Pulse Nanoparticle Displacement

Abstract Murray Kermit, K., Donnarumma, F., & Stephenson, J. (2022). US Patent No. US 11371913 B2. The present disclosure provides for sampling instruments and methods of collecting sample particles. The sampling instrument can include a high-pressure pulsed valve coupled to a gas flow system to displace a sample from a surface. Also included can be …

Continue reading “United States patent 11,371,913 Methods And Devices for Sample Capture Using Gas-Pulse Nanoparticle Displacement”

ASMS 2022: Resolution and Resolving Power Terminology in Mass Spectrometry

MP 113 MS Terms Wiki Resolution Term Resolving Power Term Premise Nomenclature inconsistencies and conflicts can best be resolved through a detailed understanding of the origin and development of terms. The goal of this project is to investigate the origins and use as well as prior and current definitions of resolution and resolving power in …

Continue reading “ASMS 2022: Resolution and Resolving Power Terminology in Mass Spectrometry”

Infrared Laser Ablation Microsampling with a Reflective Objective

Dong, C., Richardson, L.T., Solouki, T., Murray, K.K.: Infrared Laser Ablation Microsampling with a Reflective Objective. J. Am. Soc. Mass. Spectrom. 33, 463-470 (2022). doi: 10.1021/jasms.1c00306 Abstract A Schwarzschild reflective objective with a numerical aperture of 0.3 and working distance of 10 cm was used for laser ablation sampling of tissue for off-line mass spectrometry. …

Continue reading “Infrared Laser Ablation Microsampling with a Reflective Objective”

Patent: Tip Enhanced Laser Assisted Sample Transfer for Biomolecule Mass Spectrometry

Link Disclosed are various embodiments for transferring molecules from a surface for mass spectrometry and other sample analysis methods, and the like. A laser is focused onto a tip of an atomic force microscope to remove and capture a quantity of molecules from the surface, so they can be transferred to a mass spectrometer or …

Continue reading “Patent: Tip Enhanced Laser Assisted Sample Transfer for Biomolecule Mass Spectrometry”