ASMS 2023: Social Media for Mass Spectrometry

ThP 051 Premise Social media for mass spectrometry dates back to periodic newsletters sent through the mail which were followed by electronic mailing lists, Usenet newgroups, and websites, leading to the platforms of today such as Facebook and Twitter. The goal of this presentation is to quantify the use of social media use in the …

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 …

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 …

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. …

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 …

Deep-ultraviolet laser ablation sampling for proteomic analysis of tissue

R.O. Lawal, L.T. Richardson, C. Dong, F. Donnarumma, T. Solouki, K.K. Murray, Deep-ultraviolet laser ablation sampling for proteomic analysis of tissue, Anal. Chim. Acta, 1184 (2021). doi: 10.1016/j.aca.2021.339021 Abstract Deep-ultraviolet laser ablation with a pulsed 193 nm ArF excimer laser was used to remove localized regions from tissue sections from which proteins were extracted for …

Multimodal Label‐Free Monitoring of Adipogenic Stem Cell Differentiation Using Endogenous Optical Biomarkers

N. Mehta, S. Shaik, A. Prasad, A. Chaichi, S.P. Sahu, Q. Liu, S.M.A. Hasan, E. Sheikh, F. Donnarumma, K.K. Murray, X. Fu, R. Devireddy, M.R. Gartia, Multimodal Label‐Free Monitoring of Adipogenic Stem Cell Differentiation Using Endogenous Optical Biomarkers, Adv. Funct. Mater., (2021) 2103955; doi: 10.1002/adfm.202103955 Abstract Stem cell-based therapies carry significant promise for treating human …