نتایج جستجو برای: ms analyzing
تعداد نتایج: 239007 فیلتر نتایج به سال:
Tandem mass spectrometry (MS/MS) experiments often generate redundant data sets containing multiple spectra of the same peptides. Clustering of MS/MS spectra takes advantage of this redundancy by identifying multiple spectra of the same peptide and replacing them with a single representative spectrum. Analyzing only representative spectra results in significant speed-up of MS/MS database search...
Motivation: Early detection of cancer is crucial for successful treatment, and protein profiling using mass spectrometry (MS) data has been investigated as a potential tool. However, due to the high correlation and huge dimensionality of MS data, it is crucial to modify existing algorithms and to develop new ones, where necessary, for analyzing such data. Results: We develop a group of logistic...
In comparative proteomics studies, LC-MS/MS data is generally quantified using one or both of two measures: the spectral count, derived from the identification of MS/MS spectra, or some measure of ion abundance derived from the LC-MS data. Here we contrast the performance of these measures and show that ion abundance is the more sensitive. We also examine how the conclusions of a comparative an...
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