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OmniSpect: An Open MATLAB-Based Tool for Visualization and Analysis of Matrix-Assisted Laser Desorption/Ionization and Desorption Electrospray Ionization Mass Spectrometry Images |
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| Authors: | R Mitchell Parry Asiri S Galhena Chaminda M Gamage Rachel V Bennett May D Wang Facundo M Fernández | |
| Institution: | 1. The Wallace H. Coulter Department of Biomedical Engineering, Emory University, Atlanta, GA, 30332, USA 2. The Georgia Institute of Technology, Atlanta, GA, 30332, USA 3. The Wallace H. Coulter Department of Biomedical Engineering, Department of Electrical and Computer Engineering, Winship Cancer Institute, Parker H. Petit Institute of Bioengineering and Biosciences, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA |
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| Abstract: | We present omniSpect, an open source web- and MATLAB-based software tool for both desorption electrospray ionization (DESI) and matrix-assisted laser desorption ionization (MALDI) mass spectrometry imaging (MSI) that performs computationally intensive functions on a remote server. These functions include converting data from a variety of file formats into a common format easily manipulated in MATLAB, transforming time-series mass spectra into mass spectrometry images based on a probe spatial raster path, and multivariate analysis. OmniSpect provides an extensible suite of tools to meet the computational requirements needed for visualizing open and proprietary format MSI data.  | |
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